volatile fatty acids

Summary

Summary: Short-chain fatty acids of up to six carbon atoms in length. They are the major end products of microbial fermentation in the ruminant digestive tract and have also been implicated in the causation of neurological diseases in humans.

Top Publications

  1. ncbi Dynamics of the anaerobic process: effects of volatile fatty acids
    Peter F Pind
    BioCentrum DTU, Technical University of Denmark, Building 227, DK 2800 Lyngby, Denmark
    Biotechnol Bioeng 82:791-801. 2003
  2. pmc Role of volatile fatty acids in development of the cecal microflora in broiler chickens during growth
    P W van Der Wielen
    Centre for Veterinary Public Health and Environmental Protection, Faculty of Veterinary Medicine, Utrecht University, Utrecht, The Netherlands
    Appl Environ Microbiol 66:2536-40. 2000
  3. ncbi Feeding of different levels of metabolite combinations produced by Lactobacillus plantarum on growth performance, fecal microflora, volatile fatty acids and villi height in broilers
    Teck C Loh
    Department of Animal Science, Faculty of Agriculture, University Putra Malaysia, Serdang, Selangor, Malaysia
    Anim Sci J 81:205-14. 2010
  4. pmc Microscale biosensor for measurement of volatile fatty acids in anoxic environments
    Rikke Louise Meyer
    Department of Microbial Ecology, University of Aarhus, bd 540, Ny Munkegade, 8000 Aarhus C, Denmark
    Appl Environ Microbiol 68:1204-10. 2002
  5. ncbi Effects of ruminal infusion of volatile fatty acids on plasma concentration of growth hormone and insulin in sheep
    N Matsunaga
    Department of Animal Physiology, Faculty of Agriculture, Tohoku University, Sendai, Japan
    Domest Anim Endocrinol 17:17-27. 1999
  6. ncbi Glycyl-L-sarcosine absorption across ovine omasal epithelium during coincubation with other peptide substrates and volatile fatty acids
    M Q McCollum
    Department of Animal and Poultry Sciences, Virginia Polytechnic Institute and State University, Blacksburg 24061 0306, USA
    J Anim Sci 76:2706-11. 1998
  7. pmc Competitive oxidation of volatile fatty acids by sulfate- and nitrate-reducing bacteria from an oil field in Argentina
    Aleksandr A Grigoryan
    Department of Biological Sciences, University of Calgary, 2500 University Drive NW, Calgary, Alberta T2N 1N4, Canada
    Appl Environ Microbiol 74:4324-35. 2008
  8. ncbi Effects of hydrochloric, valeric, and other volatile fatty acids on pathogenesis of ulcers in the nonglandular portion of the stomach of horses
    Jenifer A Nadeau
    Department of Large Animal Clinical Sciences, College of Veterinary Medicine, University of Tennessee, Knoxville, TN 37996, USA
    Am J Vet Res 64:413-7. 2003
  9. ncbi Effects of phenolic monomers on the enzymes activities and volatile fatty acids production of Neocallimastix frontalis B9
    Wan Zuhainis Saad
    Department of Microbiology, Faculty of Biotechnology and Biomolecular Sciences, Universiti Putra Malaysia, Selangor, Malaysia
    Anaerobe 14:118-22. 2008
  10. ncbi Reduction of accumulated volatile fatty acids by an acetate-degrading enrichment culture
    Philipp Lins
    Institute of Microbiology, University of Innsbruck, Innsbruck, Austria
    FEMS Microbiol Ecol 71:469-78. 2010

Research Grants

  1. Short Chain Fatty Acids and Intestinal Barrier Function
    Jing Lin; Fiscal Year: 2007
  2. VOLATILE MARKERS OF PULMONARY TUBERCULOSIS IN THE BREATH
    Michael Phillips; Fiscal Year: 2002
  3. COLONIC CRYPT CELL FUNCTION
    HENRY BINDER; Fiscal Year: 2001
  4. TREFOIL FACTOR FAMILY 3 IN NECROTIZING ENTEROCOLITIS
    Jing Lin; Fiscal Year: 2003
  5. Colonic Crypt HCO3 Secretion
    HENRY BINDER; Fiscal Year: 2006
  6. Oral Therapeutic for Beta-Thalassemia
    Susan Perrine; Fiscal Year: 2006
  7. Metabolic enzyme activity mediating myocardial stunning
    E Lewandowski; Fiscal Year: 2006
  8. Short-Chain Fatty Acid Enhanced Intestinal Adaptation
    KELLY TAPPENDEN; Fiscal Year: 2006
  9. SECRETORY FUNCTION OF PANCREATIC DUCT CELLS
    Toan Nguyen; Fiscal Year: 2003
  10. FETAL GLOBIN INDUCTION IN BETA THALASSEMIA
    Susan Perrine; Fiscal Year: 2002

Detail Information

Publications275 found, 100 shown here

  1. ncbi Dynamics of the anaerobic process: effects of volatile fatty acids
    Peter F Pind
    BioCentrum DTU, Technical University of Denmark, Building 227, DK 2800 Lyngby, Denmark
    Biotechnol Bioeng 82:791-801. 2003
    ..dynamic response of the anaerobic biogas system was observed when the system was subjected to pulses of volatile fatty acids (VFAs)...
  2. pmc Role of volatile fatty acids in development of the cecal microflora in broiler chickens during growth
    P W van Der Wielen
    Centre for Veterinary Public Health and Environmental Protection, Faculty of Veterinary Medicine, Utrecht University, Utrecht, The Netherlands
    Appl Environ Microbiol 66:2536-40. 2000
    It is known that volatile fatty acids can inhibit growth of species of the family Enterobacteriaceae in vitro. However, whether these volatile fatty acids affect bacterial populations in the ceca of chickens is unknown...
  3. ncbi Feeding of different levels of metabolite combinations produced by Lactobacillus plantarum on growth performance, fecal microflora, volatile fatty acids and villi height in broilers
    Teck C Loh
    Department of Animal Science, Faculty of Agriculture, University Putra Malaysia, Serdang, Selangor, Malaysia
    Anim Sci J 81:205-14. 2010
    ..4% supplementation. These results indicate that 0.2% is an optimum level to be included in the diets of broiler in order to replace antibiotic growth promoters...
  4. pmc Microscale biosensor for measurement of volatile fatty acids in anoxic environments
    Rikke Louise Meyer
    Department of Microbial Ecology, University of Aarhus, bd 540, Ny Munkegade, 8000 Aarhus C, Denmark
    Appl Environ Microbiol 68:1204-10. 2002
    ..The selectivity for volatile fatty acids compared to other organic compounds was increased by selectively enhancing the transport of negatively ..
  5. ncbi Effects of ruminal infusion of volatile fatty acids on plasma concentration of growth hormone and insulin in sheep
    N Matsunaga
    Department of Animal Physiology, Faculty of Agriculture, Tohoku University, Sendai, Japan
    Domest Anim Endocrinol 17:17-27. 1999
    ..We then examined whether increasing the rumen concentration of volatile fatty acids (VFA) by infusing a VFA mixture at three rates (53...
  6. ncbi Glycyl-L-sarcosine absorption across ovine omasal epithelium during coincubation with other peptide substrates and volatile fatty acids
    M Q McCollum
    Department of Animal and Poultry Sciences, Virginia Polytechnic Institute and State University, Blacksburg 24061 0306, USA
    J Anim Sci 76:2706-11. 1998
    ..Results from these studies support the idea that peptides can be absorbed across omasal epithelium and that the process involves mediated as well as nonmediated mechanisms, including possibly paracellular transport...
  7. pmc Competitive oxidation of volatile fatty acids by sulfate- and nitrate-reducing bacteria from an oil field in Argentina
    Aleksandr A Grigoryan
    Department of Biological Sciences, University of Calgary, 2500 University Drive NW, Calgary, Alberta T2N 1N4, Canada
    Appl Environ Microbiol 74:4324-35. 2008
    Acetate, propionate, and butyrate, collectively referred to as volatile fatty acids (VFA), are considered among the most important electron donors for sulfate-reducing bacteria (SRB) and heterotrophic nitrate-reducing bacteria (hNRB) in ..
  8. ncbi Effects of hydrochloric, valeric, and other volatile fatty acids on pathogenesis of ulcers in the nonglandular portion of the stomach of horses
    Jenifer A Nadeau
    Department of Large Animal Clinical Sciences, College of Veterinary Medicine, University of Tennessee, Knoxville, TN 37996, USA
    Am J Vet Res 64:413-7. 2003
    To identify in vitro effects of hydrochloric acid, valeric acid, and other volatile fatty acids (VFAs) on the pathogenesis of ulcers in the nonglandular portion of the equine stomach.
  9. ncbi Effects of phenolic monomers on the enzymes activities and volatile fatty acids production of Neocallimastix frontalis B9
    Wan Zuhainis Saad
    Department of Microbiology, Faculty of Biotechnology and Biomolecular Sciences, Universiti Putra Malaysia, Selangor, Malaysia
    Anaerobe 14:118-22. 2008
    ..For total volatile fatty acid production, all phenolic monomers showed inhibitory effects, but rho-coumaric and ferulic acids were the stronger inhibitors than rho-hydroxybenzaldehyde and vanillin...
  10. ncbi Reduction of accumulated volatile fatty acids by an acetate-degrading enrichment culture
    Philipp Lins
    Institute of Microbiology, University of Innsbruck, Innsbruck, Austria
    FEMS Microbiol Ecol 71:469-78. 2010
    ..with the diluted fermenter sludge of a biogas plant, and process parameters including the concentration of volatile fatty acids (VFAs) and gases in the headspace were measured...
  11. ncbi Toward understanding the mechanism of improving the production of volatile fatty acids from activated sludge at pH 10.0
    Guang Hui Yu
    State Key Laboratory of Pollution Control and Resources Reuse, Key Laboratory of Yangtze River Water Environment, College of Environmental Science and Engineering, Tongji University, Siping Road no 1239, Shanghai, P R China
    Water Res 42:4637-44. 2008
    ..flocs was applied to a better understanding of the underlying mechanism of improving the production of volatile fatty acids (VFA) in the hydrolysis and acidification processes at pH 10.0...
  12. ncbi Effects of live yeast on the performance, nutrient digestibility, gastrointestinal microbiota and concentration of volatile fatty acids in weanling pigs
    Jieyun Li
    National Key Laboratory of Animal Nutrition, China Agricultural University, Beijing
    Arch Anim Nutr 60:277-88. 2006
    ..The improvement in BWG appears to be partly related to an increase in feed intake. The mechanism of yeast improving feed intake of piglets needs to be explored...
  13. ncbi Colonic health: fermentation and short chain fatty acids
    Julia M W Wong
    Clinical Nutrition and Risk Factor Modification Center, St Michael s Hospital, Toronto, Ont, Canada
    J Clin Gastroenterol 40:235-43. 2006
    ..Short-term and long-term human studies are particularly required on SCFAs in relation to markers of cancer risk. These studies will be key to the success of dietary recommendations to maximize colonic disease prevention...
  14. ncbi Conversion of volatile fatty acids into polyhydroxyalkanoate by Ralstonia eutropha
    P Chakraborty
    Givaudan Flavors Corporation, Cincinnati, OH, USA
    J Appl Microbiol 106:1996-2005. 2009
    The aims of this study were to optimize condensed corn solubles (CCS) as a medium for growth of Ralstonia eutropha and to determine the effects of individual volatile fatty acids (VFAs) on polyhydroxyalkanoate (PHA) production.
  15. ncbi Differential effects of short-chain fatty acids on proliferation and production of pro- and anti-inflammatory cytokines by cultured lymphocytes
    Claudia R Cavaglieri
    Biomedical Sciences Group, Health Sciences Faculty, Methodist University of Piracicaba, SP, Brazil
    Life Sci 73:1683-90. 2003
    ..A combination of the three SCFA causes a shift in the T helper lymphocyte phenotype towards a more anti-inflammatory phenotype and this might explain the protective effects of fiber...
  16. ncbi Electricity generation from mixed volatile fatty acids using microbial fuel cells
    Shao Xiang Teng
    Department of Chemistry, University of Science and Technology of China, Hefei, China
    Appl Microbiol Biotechnol 87:2365-72. 2010
    ..low hydrogen yield due to incomplete conversion of substrates, with most of the fermentation products being volatile fatty acids (VFAs). Thus, further recovery of the energy from VFAs is expected...
  17. pmc Hindgut fermentation in three species of marine herbivorous fish
    Douglas O Mountfort
    Cawthron Institute, Private Bag 2, Nelson, New Zealand
    Appl Environ Microbiol 68:1374-80. 2002
    ..When gut size was taken into account, acetate uptake from the hindgut of the fish species, determined on a millimole per day per kilogram of body weight basis, was 70 (K. sydneyanus), 18 (O. pullus), and 10 (A. arctidens)...
  18. ncbi Effects of inulin on faecal bifidobacteria in human subjects
    H P Kruse
    University of Potsdam, Institute of Nutritional Science, Bergholz Rehbruecke, Germany
    Br J Nutr 82:375-82. 1999
    ..8 to 11.0 log10/g dry faeces and caused a moderate increase in gastrointestinal symptoms such as flatulence and bloatedness, whereas blood lipids and short-chain fatty acids remained essentially unaffected...
  19. ncbi Xylose utilization and short-chain fatty acid production by selected components of the intestinal microflora of a rodent pollinator (Aethomys namaquensis)
    S A Johnson
    Department of Zoology and Entomology, University of Pretoria, Pretoria 0002, South Africa
    J Comp Physiol B 176:631-41. 2006
    ..These results are discussed in the context of other studies of gut microflora in vertebrates...
  20. pmc A top-down systems biology view of microbiome-mammalian metabolic interactions in a mouse model
    Francois Pierre J Martin
    Department of Biomolecular Medicine, Division of Surgery, Oncology, Reproductive Biology and Anaesthetics, Faculty of Medicine, Imperial College London, South Kensington, London, UK
    Mol Syst Biol 3:112. 2007
    ..These data indicate that the microbiome modulates absorption, storage and the energy harvest from the diet at the systems level...
  21. ncbi Effects of feeding metabolite combinations produced by Lactobacillus plantarum on growth performance, faecal microbial population, small intestine villus height and faecal volatile fatty acids in broilers
    N T Thanh
    Department of Animal Science, Faculty of Agriculture, Selangor, Malaysia
    Br Poult Sci 50:298-306. 2009
    ..4. The addition of a metabolite combination supplementation also increased faecal lactic acid bacteria population, small intestine villus height and faecal volatile fatty acids and faecal Enterobacteriaceae population.
  22. ncbi Optimization of glutamate concentration and pH for H production from volatile fatty acids by Rhodopseudomonas capsulata
    X Y Shi
    Department of Chemistry, University of Science and Technology of China, Hefei, Anhui, China
    Lett Appl Microbiol 40:401-6. 2005
    This study attempted to employ response surface methodology (RSM) to evaluate the effects of glutamate concentration and pH on H(2) production from volatile fatty acids by Rhodopseudomonas capsulata.
  23. ncbi Splanchnic metabolism of volatile fatty acids absorbed from the washed reticulorumen of steers
    N B Kristensen
    Department of Animal Nutrition and Physiology, Danish Institute of Agricultural Sciences, Denmark
    J Anim Sci 82:2033-42. 2004
    ..When PDV "second-pass" uptake of arterial nutrients is accounted for, PDV fluxes of VFA, lactate, and 3-hydroxybutyrate represent VFA production in the gastrointestinal tract and thereby VFA availability to the ruminant animal...
  24. ncbi Near infrared and acoustic chemometrics monitoring of volatile fatty acids and dry matter during co-digestion of manure and maize silage
    Carina J Lomborg
    Aalborg University, Esbjerg, Denmark
    Bioresour Technol 100:1711-9. 2009
    ..Both process analytical modalities were validated with respect to the total solids prediction. The near infrared model had an RPD equal to 5.7, while the acoustic chemometrics model resulted in a RPD of 2.6...
  25. ncbi Rates of production of acetate, propionate, and butyrate in the rumen of lactating dairy cows given normal and low-roughage diets
    J D Sutton
    National Institute for Research in Dairying, Shinfield, Reading, UK
    J Dairy Sci 86:3620-33. 2003
    ..Milk fat (g/kg) was severely reduced on diet LR. To measure rates of production of individual volatile fatty acids (VFA) in the rumen, 0...
  26. ncbi A streamlined approach to the analysis of volatile fatty acids and its application to the measurement of whole-body flux
    Douglas J Morrison
    Division of Developmental Medicine, University of Glasgow, Royal Hospital for Sick Children, Yorkhill, Glasgow G3 8SJ, UK
    Rapid Commun Mass Spectrom 18:2593-600. 2004
    b>Volatile fatty acids (VFAs) are produced in the human colon by the bacterial breakdown of carbohydrates that escape digestion and absorption in the small intestine...
  27. ncbi Cecal volatile fatty acids and broiler chick susceptibility to Salmonella typhimurium colonization as affected by aflatoxins and T-2 toxin
    L F Kubena
    USDA, Agricultural Research Service, Southern Plains Agricultural Research Center Food and Feed Safety Research Unit, College Station, Texas 77845, USA
    Poult Sci 80:411-7. 2001
    ..using day-of-hatch, mixed-sex broiler chicks to evaluate the effects of aflatoxins and T-2 toxin on cecal volatile fatty acids (VFA) and the susceptibility to Salmonella colonization...
  28. ncbi Analysis of volatile fatty acids in wastewater collected from a pig farm by a solid phase microextraction method
    S P Yo
    Department of Zoology, National Chung Hsing University, Taichung, Taiwan
    Chemosphere 38:823-34. 1999
    ..The method may be applied for scanning a wide spectrum of polar organic compounds in environmental samples...
  29. ncbi Atmospheric ammonia, volatile fatty acids, and other odorants near beef feedlots
    S M McGinn
    Research Centre, Agriculture and Agri Food Canada, Box 3000, Lethbridge, Alberta, Canada T1J 4B1
    J Environ Qual 32:1173-82. 2003
    ..Adjacent the feedlots, the maximum concentration of many volatile fatty acids exceeded reported odor detection thresholds; the maximum ammonia concentration was close to the threshold...
  30. ncbi The effect of concentrate supplementation on nutrient flow to the omasum in dairy cows receiving freshly cut grass
    A Sairanen
    MTT Agrifood Research Finland, North Savo Research Station, FIN 71750 Maaninka, Finland
    J Dairy Sci 88:1443-53. 2005
    ..Concentrate supplementation increased the apparent use of dietary N for milk production because of a reduction in N intake, rather than thorough improvements in N capture in the rumen...
  31. ncbi Effects of corn condensed distillers solubles supplementation on ruminal fermentation, digestion, and in situ disappearance in steers consuming low-quality hay
    T C Gilbery
    Department of Animal and Range Sciences, North Dakota State University, Fargo, 58105, USA
    J Anim Sci 84:1468-80. 2006
    ..008, respectively) with CCDS supplementation. Based on this data, CCDS used in Exp. 2 was 86.7% rumen degradable protein. The results indicate that CCDS supplementation improves nutrient availability and use of low-quality forages...
  32. ncbi Effects of a proteolytic feed enzyme on intake, digestion, ruminal fermentation, and milk production
    J S Eun
    Agriculture and Agri Food Canada, Research Centre, Lethbridge, Alberta, T1J 4B1, Canada
    J Dairy Sci 88:2140-53. 2005
    ..However, improvements in digestibility were offset by decreased feed intake, likely due to increased ruminal acidosis...
  33. ncbi Effects of 2-hydroxy-4-(methylthio) butanoic acid (HMB) on microbial growth in continuous culture
    S M Noftsger
    Department of Animal Sciences, Ohio State University, Columbus 43210, USA
    J Dairy Sci 86:2629-36. 2003
    ..These data suggest that supplementation of HMB may have a sparing effect on branched chain volatile fatty acids because the fatty acids are not needed to provide carbon for synthesis of valine, isoleucine and leucine ..
  34. ncbi Changes in ruminal fermentation and protein degradation in growing Holstein heifers from 80 to 250 kg fed high-concentrate diets with different forage-to-concentrate ratios
    A Rotger
    Departament de Ciencia Animal i dels Aliments, Universitat Autonoma de Barcelona, 08193 Bellaterra, Spain
    J Anim Sci 83:1616-24. 2005
    ....
  35. ncbi Effect of source of energy and rate of growth on performance, carcass characteristics, ruminal fermentation, and serum glucose and insulin of early-weaned steers
    J P Schoonmaker
    Department of Animal Sciences, The Ohio State University, Wooster 44691, USA
    J Anim Sci 81:843-55. 2003
    ....
  36. ncbi Pasture intake and substitution rate effects on nutrient digestion and nitrogen metabolism during continuous culture fermentation
    F Bargo
    Department of Dairy and Animal Science, The Pennsylvania State University, University Park 16802, USA
    J Dairy Sci 86:1330-40. 2003
    ..Based on these results, at low SR, concentrate supplementation may enhance animal performance because of higher total DM intake and synthesis of microbial protein...
  37. ncbi Effects of increasing levels of refined cornstarch in the diet of lactating dairy cows on performance and ruminal pH
    K M Krause
    Department of Dairy Science, University of Wisconsin, Madison 53706, USA
    J Dairy Sci 86:1341-53. 2003
    ..Increasing the level of carbohydrates fermented in the rumen by replacing dry cracked corn with refined cornstarch (up to 57% of dietary starch) did not compromise rumen fermentation or affect performance of midlactation dairy cows...
  38. ncbi Effects of forage particle size, forage source, and grain fermentability on performance and ruminal pH in midlactation cows
    K M Krause
    Department of Dairy Science, University of Wisconsin Madison, 53706, USA
    J Dairy Sci 86:1382-97. 2003
    ..Interactions were found between level of physically effective fiber, forage source, and level of RFC on production and pH, complicating the inclusion of these effects in dairy ration formulation and evaluation...
  39. ncbi Altering soluble and potentially rumen degradable protein for prepubertal Holstein heifers
    M T Gabler
    Department of Dairy and Animal Science, The Pennsylvania State University, University Park 16802, USA
    J Dairy Sci 86:2122-30. 2003
    ..Feeding 62.1 +/- 0.8 g CP/Mcal ME with increased potentially rumen degradable protein (28.2 versus 20.9% B2BS) at 2.0% BW affected rumen fermentation but did not affect DM digestibility or N utilization...
  40. ncbi Effect of Japanese horseradish oil on methane production and ruminal fermentation in vitro and in steers
    N Mohammed
    Bioresearch Corporation of Yokohama, Yokohama 230 0004, Japan
    J Anim Sci 82:1839-46. 2004
    ..The number of cellulolytic (P = 0.38) and acetogenic bacteria (P = 0.32) remained unchanged by treatment. These results indicate that CD-HR supplementation can be used to decrease methane production in steers...
  41. ncbi The effect of corn silage particle size on eating behavior, chewing activities, and rumen fermentation in lactating dairy cows
    P J Kononoff
    Department of Dairy and Animal Science, The Pennsylvania State University, University Park 16802, USA
    J Dairy Sci 86:3343-53. 2003
    ..Rumen pH was not affected by corn silage particle size even though total concentration of volatile fatty acids increased linearly from 89.1 mM/L to 93.6 mM/L as diet particle size decreased...
  42. ncbi Corn grain endosperm type and brown midrib 3 corn silage: ruminal fermentation and N partitioning in lactating cows
    C C Taylor
    Department of Animal Science, Michigan State University, East Lansing 48824 1225, USA
    J Dairy Sci 88:1434-42. 2005
    ..Although treatment effects on ruminal fermentation and ruminal pH were observed, few interactions of treatment were detected and treatments did not affect flow of N fractions to the intestines...
  43. ncbi Ruminal fermentation and amino acid flow in Holstein steers fed whole cottonseed with elevated concentrations of free fatty acids in the oil
    H M Sullivan
    Department of Animal and Dairy Science, The University of Georgia, Athens 30602, USA
    J Dairy Sci 88:690-7. 2005
    ..Ruminal pH, molar proportions of isobutyrate, and total branched-chain volatile fatty acids (VFA) decreased linearly, whereas molar proportions of acetate and acetate:propionate ratio increased ..
  44. ncbi Effect of anaerobic fungi on in vitro feed digestion by mixed rumen microflora of buffalo
    Shyam Sunder Paul
    Central Institute for Research on Buffaloes, Nabha 147201, Patiala, India
    Reprod Nutr Dev 44:313-9. 2004
    ..The fungal isolate FNG5 from nilgai, a wild ruminant, was found to be superior to the other isolates tested and appears to have a potential to be used as a feed additive for improving fiber degradation in domestic ruminants...
  45. ncbi Effects of physically effective fiber on chewing activity and ruminal pH of dairy cows fed diets based on barley silage
    W Z Yang
    Agriculture and Agri Food Canada, Research Centre, Lethbridge, AB, T1J 4B1, Canada
    J Dairy Sci 89:217-28. 2006
    ..The results suggest that dietary peNDF and fermentable OM intake are critical in regulating rumen pH. Dietary particle size, expressed as peNDF, was a reliable indication of chewing activity...
  46. ncbi Effects of physically effective fiber on digestive processes and milk fat content in early lactating dairy cows fed total mixed rations
    Q Zebeli
    University of Hohenheim, Institute of Animal Nutrition 450, Emil Wolff Str 10, D 70599 Stuttgart, Germany
    J Dairy Sci 89:651-68. 2006
    ..55) and positively to total volatile fatty acids (R(2) = 0.27). Inclusion of FDOM and RDSI from grain along with peNDF(> 1...
  47. ncbi Influence of cobalt concentration on vitamin B12 production and fermentation of mixed ruminal microorganisms grown in continuous culture flow-through fermentors
    M E Tiffany
    Department of Animal Science, Interdepartmental Nutrition Program, North Carolina State University, Raleigh, 27695 7621, USA
    J Anim Sci 84:635-40. 2006
    ..10 to 0.15 mg/kg of dietary DM resulted in adequate vitamin B12 production to meet the requirements of ruminal microorganisms fed a high-concentrate diet in continuous-flow fermentors...
  48. ncbi Effects of substrate, passage rate, and pH in continuous culture on flows of conjugated linoleic acid and trans C18:1
    X Qiu
    Department of Animal Science, Food and Nutrition Southern Illinois University, Carbondale 62901, USA
    J Dairy Sci 87:3473-9. 2004
    ..The HLA resulted in the highest acid detergent fiber and fatty acid digestibilities, bacterial numbers, and BH. Increasing solids passage rate, reducing pH, and increasing dietary LA appears to increase in vitro CLA production...
  49. ncbi Effect of field pea level on intake, digestion, microbial efficiency, ruminal fermentation, and in situ disappearance in beef steers fed forage-based diets
    J J Reed
    Department of Animal and Range Sciences, North Dakota State University, Fargo, ND 58105, USA
    J Anim Sci 82:2185-92. 2004
    ..Supplementing field peas seems to effectively increase OM and N intakes of moderate-quality grass hay diets...
  50. ncbi Effects of a twin strain of saccharomyces cerevisiae live cells on mixed ruminal microorganism fermentation in vitro
    Z A Lila
    Faculty of Agriculture, Tokyo University of Agriculture and Technology, Tokyo, Japan
    J Anim Sci 82:1847-54. 2004
    ..These results showed that a twin strain of S. cerevisiae live cells stimulated in vitro mixed ruminal microorganism fermentation with decreased lactate, and a small decrease of methane and hydrogen with hay plus concentrate...
  51. ncbi Comparison of brown midrib-6 and -18 forage sorghum with conventional sorghum and corn silage in diets of lactating dairy cows
    A L Oliver
    Department of Animal Science, University of Nebraska, Lincoln 68583 0908, USA
    J Dairy Sci 87:637-44. 2004
    ..There are important compositional differences among bmr forage sorghum hybrids that need to be characterized to predict animal response accurately...
  52. ncbi Influence of soybean hull supplementation on rumen fermentation and digestibility in steers consuming freshly clipped, endophyte-infected tall fescue
    C J Richards
    Department of Animal Sciences, The University of Tennessee, Knoxville, 37996, USA
    J Anim Sci 84:678-85. 2006
    ..60% of BW (OM basis) to calves consuming fresh E+ tall fescue decreased forage consumption but resulted in greater total intake, greater flow of N to the duodenum, and increased total tract OM disappearance...
  53. ncbi Effect of supplemental L-lysine-HCL and corn source on rumen fermentation and amino acid flow to the small intestine
    J K Bernard
    Department of Animal and Dairy Science, The University of Georgia, Tifton 31793 0748, USA
    J Dairy Sci 87:399-405. 2004
    ..Whole-tract digestibility was similar for both corn supplements. Ruminal pH and molar proportions of volatile fatty acids were not affected by supplemental Lys or corn source; however, ruminal NH(3) concentrations were lowest ..
  54. ncbi Effects of methionine and lysine on fermentation in vitro and in vivo, nutrient flow to the intestine, and milk production
    Y H Chung
    Louisiana State University AgCenter, Baton Rouge 70803, USA
    J Dairy Sci 89:1613-20. 2006
    ..These data indicate that providing supplemental Met and Lys during late lactation does not significantly improve the protein status of the cow and therefore may not improve milk production...
  55. ncbi Pelleted beet pulp substituted for high-moisture corn: 3. Effects on ruminal fermentation, pH, and microbial protein efficiency in lactating dairy cows
    J A Voelker
    Department of Animal Science, Michigan State University, East Lansing 48824 1225, USA
    J Dairy Sci 86:3562-70. 2003
    ....
  56. ncbi Effect of abomasal pectin infusion on digestion and nitrogen balance in lactating dairy cows
    T F Gressley
    Department of Dairy Science, University of Wisconsin, Madison 53706, USA
    J Dairy Sci 88:4028-44. 2005
    ..However, abomasal pectin tended to decrease both ruminal ammonia concentration and urinary purine derivative output in experiment 2, suggesting that postruminal pectin fermentation may have compromised rumen microbial protein production...
  57. ncbi Influence of steam-peeled potato-processing waste inclusion level in beef finishing diets: effects on digestion, feedlot performance, and meat quality
    A E Radunz
    Department of Animal and Range Sciences, North Dakota State University, Fargo 58105, USA
    J Anim Sci 81:2675-85. 2003
    ..05). Inclusion of PW decreased feedlot performance, with little effect on carcass characteristics or meat quality. Optimal inclusion of PW in finishing diets may depend on the cost of transportation and other dietary ingredients...
  58. ncbi Effects of replacing dietary starch with sucrose on ruminal fermentation and nitrogen metabolism in continuous culture
    J E Vallimont
    Department of Dairy and Animal Science, The Pennsylvania State University, University Park, 16802, USA
    J Dairy Sci 87:4221-9. 2004
    ..Replacing cornstarch with sucrose did not alter ruminal pH (5.97), total volatile fatty acids (VFA) (104.4 mmol/L), or the acetate to propionate ratio (2...
  59. ncbi Influence of yeast culture on ruminal microbial metabolism in continuous culture
    T Miller-Webster
    Rumen Fermentation Profiling Lab, West Virginia University, Morgantown, USA
    J Dairy Sci 85:2009-14. 2002
    ..These results support previous research findings that yeast culture does influence microbial metabolism, and specific yeast cultures may have different modes of action...
  60. ncbi Sugar beet mash silage as a component of a total-mixed-ration for dairy cows--effects on parameters of digestion and animal performance
    S Schmidt
    Institute of Animal Nutrition, Hohenheim University, Stuttgart, Germany
    Arch Tierernahr 54:47-59. 2001
    ..The pattern of volatile fatty acids in the rumen fluid from the BMS groups tended towards more propionic and butyric acid...
  61. ncbi Optimizing nitrogen utilization in growing steers fed forage diets supplemented with dried citrus pulp
    S C Kim
    Department of Animal Sciences, University of Florida IFAS, Gainesville 32611, USA
    J Anim Sci 85:2548-55. 2007
    ..Diets with supplemental N mainly from SBM improved diet digestibility and animal performance beyond that achieved by UR...
  62. ncbi Intake, digestion, and digestive characteristics of Neotyphodium coenophialum-infected and uninfected fescue by heifers offered hay diets supplemented with Aspergillus oryzae fermentation extract or laidlomycin propionate
    J B Humphry
    Southeast Agricultural Research Center, Kansas State University, Parsons 67357, USA
    J Anim Sci 80:225-34. 2002
    ..Response to the feed additives was similar whether heifers were offered IF or FF and no evidence was apparent that either additive would improve performance substantially by animals consuming low-quality fescue hay diets...
  63. ncbi Effect of the magnitude of the decrease of rumen pH on rumen fermentation in a dual-flow continuous culture system
    M Cerrato-Sánchez
    Grup de Recerca en Nutrició, Maneig i Benestar Animal, Departament de Ciencia Animal i dels Aliments, Universitat Autonoma de Barcelona, 08193 Bellaterra, Spain
    J Anim Sci 86:378-83. 2008
    ..1 (2 h/d) and 7.1 (2 h/d), but when pH was at 5.1 for 4 h/d, rumen microbial fermentation was modified, suggesting that effects of low pH on rumen microbial fermentation are dependent on the magnitude of the pH decrease...
  64. ncbi Effects of varying dietary forage particle size in two concentrate levels on chewing activity, ruminal mat characteristics, and passage in dairy cows
    Q Zebeli
    University of Hohenheim, Institute of Animal Nutrition 450, Emil Wolff Str 10, D 70599 Stuttgart, Germany
    J Dairy Sci 90:1929-42. 2007
    ....
  65. ncbi Evaluation of the effects of dietary particle fractions on fermentation profile and concentration of microbiota in the rumen of dairy cows fed grass silage-based diets
    Qendrim Zebeli
    University of Hohenheim, Institute of Animal Nutrition, Stuttgart, Germany
    Arch Anim Nutr 62:230-40. 2008
    ..Different TPL did not affect pH and the concentration of volatile fatty acids in the rumen...
  66. ncbi Influence of carbohydrate source on ruminal fermentation characteristics, performance, and microbial protein synthesis in dairy cows
    G N Gozho
    Department of Animal and Poultry Science, University of Saskatchewan, Saskatoon, Saskatchewan, Canada S7N 5A8
    J Dairy Sci 91:2726-35. 2008
    ..Improved production performance with corn and barley diets appeared to be due to greater nutrient absorption than in cows fed oats and wheat diets, rather than improved nutrient utilization efficiency...
  67. ncbi The effect of corn silage particle size and cottonseed hulls on cows in early lactation
    P J Kononoff
    The Pennsylvania State University, Department of Dairy and Animal Science, University Park, PA 16802, USA
    J Dairy Sci 86:2438-51. 2003
    ..In addition, the inclusion of CSH, resulted in increased rumination and mean rumen pH even though effects on VFA concentration were not observed...
  68. ncbi Altering physically effective fiber intake through forage proportion and particle length: chewing and ruminal pH
    W Z Yang
    Agriculture and Agri Food Canada, Research Centre, Lethbridge, Alberta, T1J 4B1, Canada
    J Dairy Sci 90:2826-38. 2007
    ..Increasing FPL elevates ruminal pH, but in low-forage diets increased FPL does not completely alleviate subacute acidosis because the fermentability of the diet is high and changes in chewing activity are marginal...
  69. ncbi Digestion of ryegrass pasture in response to change in pH in continuous culture
    M J de Veth
    Dexcel Ltd, Hamilton, New Zealand
    J Dairy Sci 84:1449-57. 2001
    ..35 and 6.13, respectively. The proportions of individual volatile fatty acids were not changed as pH increased...
  70. ncbi Effect of sulfur supplements on cellulolytic rumen micro-organisms and microbial protein synthesis in cattle fed a high fibre diet
    C S McSweeney
    CSIRO Livestock Industries, Queensland Bioscience Precinct, St Lucia, QLD, Australia
    J Appl Microbiol 103:1757-65. 2007
    ....
  71. ncbi Selection of barley grain affects ruminal fermentation, starch digestibility, and productivity of lactating dairy cows
    C Silveira
    Department of Agricultural, Food and Nutritional Science, University of Alberta, Edmonton, Alberta, T6G 2P5, Canada
    J Dairy Sci 90:2860-9. 2007
    ..These results demonstrate that selection of barley grain can affect milk fat production and rumen fermentation to an extent at least as great as changes in dietary starch concentration...
  72. ncbi Effects of the chop lengths of alfalfa silage and oat silage on feed intake, milk production, feeding behavior, and rumen fermentation of dairy cows
    S K Bhandari
    Department of Animal Science, University of Manitoba, Winnipeg, Manitoba, R3T 2N2 Canada
    J Dairy Sci 91:1942-58. 2008
    ..The onset of subacute ruminal acidosis despite apparently adequate dietary neutral detergent fiber content and particle size distribution as well as the long duration of chewing might be attributed to sorting against long feed particles...
  73. ncbi Effects of pH and pH fluctuations on microbial fermentation and nutrient flow from a dual-flow continuous culture system
    S Calsamiglia
    Departament de Ciencia Animal i dels Aliments, Universitat Autonoma de Barcelona, Bellaterra, Spain
    J Dairy Sci 85:574-9. 2002
    ..However, the effects of transitory decreases of pH were either small or insignificant with the conditions tested in this study...
  74. ncbi Nutrient utilization of differing forage-to-concentrate ratios by growing Holstein heifers
    M L Moody
    Department of Dairy and Animal Science, The Pennsylvania State University, University Park 16802, USA
    J Dairy Sci 90:5580-6. 2007
    ..Feeding low-forage, high-concentrate diets to growing dairy heifers at restricted intakes, although more highly digestible, resulted in few significant differences in rumen fermentation patterns and lower fecal output...
  75. ncbi Diurnal variation in pH reduces digestion and synthesis of microbial protein when pasture is fermented in continuous culture
    M J de Veth
    Dexcel (formerly Dairying Research Corporation, Hamilton, New Zealand
    J Dairy Sci 84:2066-72. 2001
    ..Modeling non-steady-state ruminal conditions to account for diurnal variation in the ruminal environment may improve the prediction of digestion, especially fiber...
  76. ncbi Effect of essential oil active compounds on rumen microbial fermentation and nutrient flow in in vitro systems
    L Castillejos
    Grup de Recerca en Nutrició, Maneig i Benestar Animal, Departament de Ciencia Animal i dels Aliments, Universitat Autonoma de Barcelona, 08193 Bellaterra, Spain
    J Dairy Sci 89:2649-58. 2006
    ..After 24 h, the pH was determined, and samples were collected to analyze ammonia N and volatile fatty acids (VFA). The highest dose of all compounds decreased total VFA concentration and increased the final pH...
  77. ncbi Effects of lasalocid or monensin supplementation on digestion, ruminal fermentation, blood metabolites, and milk production of lactating dairy cows
    R Martineau
    Departement des Sciences Animales, Universite Laval, Quebec, Quebec, Canada
    J Dairy Sci 90:5714-25. 2007
    ..5 kg, 36.6 kg, 3.36%, and 3.38%, respectively. Rumen lipogenic:glucogenic volatile fatty acids and NH(3)-N concentration were lower, and apparent digestibility of dry matter, organic matter, crude ..
  78. ncbi Matching plant and animal processes to alter nutrient supply in strip-grazed cattle: timing of herbage and fasting allocation
    P Gregorini
    Southwest Research and Extensions Center, Division of Agriculture, University of Arkansas, Hope 71801, USA
    J Anim Sci 86:1006-20. 2008
    ..At the same amount of resource allocation, nutrient supply to grazing cattle can be modified through strategic grazing management...
  79. ncbi Impact of feeding a raw soybean hull-condensed corn steep liquor pellet on induced subacute ruminal acidosis in lactating cows
    J M DeFrain
    Department of Animal Sciences and Industry, Kansas State University, Manhattan 66506, USA
    J Dairy Sci 85:2000-8. 2002
    ..No differences were observed due to SHSL inclusion. The model induced SARA, but partial replacement of alfalfa, corn silage, corn, and SBM by SHSL did not influence responses to SARA challenges...
  80. ncbi Fermentation characteristics and microbial growth promoted by diets including two-phase olive cake in continuous fermenters
    A Moumen
    Unidad de Nutrición Animal, Estación Experimental del Zaidín CSIC, Camino del Jueves s n, Armilla, Granada, Spain
    J Anim Physiol Anim Nutr (Berl) 92:9-17. 2008
    ..2004b). Further research is needed to state the optimal proportion of 2POC in practical diets for ruminants at both maintenance and production stages...
  81. ncbi Effects of forage particle size and grain fermentability in midlactation cows. II. Ruminal pH and chewing activity
    K M Krause
    Department of Dairy Science, University of Wisconsin, Madison 53706, USA
    J Dairy Sci 85:1947-57. 2002
    ..27) and was correlated to time spent ruminating (r = 0.61) and chewing (r = 0.61)...
  82. ncbi Relationship between thiamine concentration and fermentation patterns in the rumen fluid of dairy cows fed with graded concentrate levels
    M Tafaj
    Institute of Animal Nutrition, The University of Hohenheim, 70599 Stuttgart, Germany
    J Anim Physiol Anim Nutr (Berl) 90:335-43. 2006
    ..002 and 0.77), depending on time after feeding and fluid digesta compartment. The higher R(2) were observed at 8 and 11 h after the morning feeding for FRL (R(2) 0.46-0.71) and PARL (R(2) 0.41-0.77), respectively...
  83. ncbi Effects of protozoa on methane production in rumen and hindgut of calves around time of weaning
    U Schönhusen
    Research Institute of the Biology of Farm Animals, 18196 Dummerstorf, Germany
    Arch Tierernahr 57:279-95. 2003
    ..The level of methanogenesis (mol/mol VFA) in the hindgut amounts to 20% of the ruminal methanogenesis...
  84. ncbi Ruminal digestion and fermentation of high-producing dairy cows with three different feeding systems combining pasture and total mixed rations
    F Bargo
    Department of Dairy and Animal Science, The Pennsylvania State University, University Park 16802, USA
    J Dairy Sci 85:2964-73. 2002
    ..Ruminal NH3-N losses were reduced when combining pasture and TMR; however this combination decreased the ruminal digestion of pasture, indicating the presence of associative effects in the rumen...
  85. ncbi Impacts of calcium addition and different oil types and levels on in vitro rumen fermentation and digestibility
    Nurettin Gülşen
    Department of Animal Nutrition and Nutritional Disorders, Faculty of Veterinary Medicine, Selpuk University, Konya, Turkey
    Arch Anim Nutr 60:443-53. 2006
    ..Improvement in IVDMD may partially support that calcium addition alleviates the adverse effects of oil and that more calcium is needed when diets are supplemented with increasing amounts of oil...
  86. ncbi A strategy for aromatic hydrocarbon bioremediation under anaerobic conditions and the impacts of ethanol: a microcosm study
    Yu Dao Chen
    Department of Resource and Environmental Engineering, Guilin University of Technology, Guilin, Guangxi, 541004, China
    J Contam Hydrol 96:17-31. 2008
    ..initially present at 5000 mg/L without EA addition declined slowly with the persistence of unidentified volatile fatty acids, likely propionate and butyrate, but less methane...
  87. ncbi Administration of fatty acids and gonadotrophin secretion in the mature ram
    R Boukhliq
    School of Agriculture Animal Science, University of Western Australia, Nedlands, Australia
    Anim Reprod Sci 49:143-59. 1997
    The addition of lupin grain to a maintenance diet increases circulating concentrations of volatile fatty acids and gonadotrophin secretion in mature rams...
  88. ncbi Effects of extracts of spices on rumen methanogenesis, enzyme activities and fermentation of feeds in vitro
    Amlan Kumar Patra
    Centre of Advanced Studies in Animal Nutrition, Rumen Microbiology Lab, Indian Veterinary Research Institute, Izatnagar, Bareilly, UP 243122, India patra
    J Sci Food Agric 90:511-20. 2010
    ....
  89. ncbi Effect of silicate minerals (zeolite, bentonite, kaolin, granite) on in vitro fermentation of amorphous cellulose, meadow hay, wheat straw and barley
    Zora Varádyová
    Institute of Animal Physiology, Slovak Academy of Sciences, Soltesovej 4 6, Kosice, Slovak Republic
    Berl Munch Tierarztl Wochenschr 116:317-21. 2003
    ..B), kaolin (K), granite (G) on the rumen fermentation parameters, total gas, methane, total and individual volatile fatty acids (VFA) and hydrogen recovery in rumen fluid inoculum from sheep. Different materials (0...
  90. ncbi Effects of aging and weaning on mRNA expression of leptin and CCK receptors in the calf rumen and abomasum
    S Yonekura
    Department of Animal Physiology, Graduate School of Agricultural Science, Tohoku University, Amamiyamachi, Sendai 981 8555, Japan
    Domest Anim Endocrinol 22:25-35. 2002
    ..the effect of weaning of 6 weeks or non-weaning (fed on milk replacer alone (milk) or milk replacer with volatile fatty acids (milk+VFA) until 13 weeks old) on leptin mRNA expression in the rumen and abomasum...
  91. ncbi Control of Escherichia coli O157:H7 in corn silage with or without various inoculants: efficacy and mode of action
    A F Pedroso
    Department of Animal Sciences, Institute of Food and Agricultural Sciences, University of Florida, Gainesville 32606, USA
    J Dairy Sci 93:1098-104. 2010
    ..coli O157:H7 counts. Samples from d 82 were also analyzed for volatile fatty acids, lactate, and aerobic stability...
  92. ncbi Protozoa involved in butyric rather than lactic fermentative pattern during latent acidosis in sheep
    Ludovic Brossard
    Unite de Recherches sur les Herbivores, INRA, Centre de Recherche de Clermont Ferrand Theix, 63122 Saint Genes Champanelle, France
    Reprod Nutr Dev 44:195-206. 2004
    ..Ruminal pH, ruminal volatile fatty acids (VFA), lactate and NH3 concentrations, protozoa and lactate-utilizing bacterial counts, the relative ..
  93. ncbi Changes in net portal nutrient flux in response to weaning transition and ionophore supplementation in dairy calves
    J L Klotz
    Department of Animal Science, The University of Tennessee, Knoxville 37996, USA
    J Dairy Sci 90:1326-39. 2007
    ..concentrations of glucose, acetoacetate (ACAC), beta-hydroxybutyrate (BHBA), nonesterified fatty acids, volatile fatty acids, lactate, pyruvate, insulin, and glucagon and PDV flux rates were determined in Jersey bull calves (n = 19) ..
  94. ncbi Bacterial and fungal communities of wilted Italian ryegrass silage inoculated with and without Lactobacillus rhamnosus or Lactobacillus buchneri
    Y Li
    Department of Animal Science, Graduate School of Natural Science and Technology, Okayama University, Okayama, Japan
    Lett Appl Microbiol 52:314-21. 2011
    ..To understand the effects of lactic acid bacteria (LAB) inoculation on fermentation products, aerobic stability and microbial communities of silage...
  95. ncbi Influence of extruded soybeans with or without bicarbonate on milk performance and fatty acid composition of goat milk
    P Schmidely
    Unité Mixte de Recherches Physiologie de la Nutrition et Alimentation, Departement des Sciences Animales, Institut National Agronomique, Paris Grignon, 75231 Paris, France
    J Dairy Sci 88:757-65. 2005
    ..Feeding ESB did not modify ruminal pH or volatile fatty acids concentration in the rumen fluid, but it increased the molar proportion of propionate...
  96. pmc Diversity and ubiquity of bacteria capable of utilizing humic substances as electron donors for anaerobic respiration
    John D Coates
    Department of Microbiology, Southern Illinois University, Carbondale, Illinois 62901, USA
    Appl Environ Microbiol 68:2445-52. 2002
    ..Alternative electron donors included simple volatile fatty acids such as propionate, butyrate, and valerate as well as simple organic acids such as lactate and pyruvate...
  97. ncbi Invited review: Essential oils as modifiers of rumen microbial fermentation
    S Calsamiglia
    Grup de Recerca en Nutrició, Maneig i Benestar Animal, Departament de Ciencia Animal i dels Aliments, Universitat Autonoma de Barcelona, 08193 Bellaterra, Spain
    J Dairy Sci 90:2580-95. 2007
    Microorganisms in the rumen degrade nutrients to produce volatile fatty acids and synthesize microbial protein as an energy and protein supply for the ruminant, respectively...
  98. ncbi The effect of fuel alcohol on monoaromatic hydrocarbon biodegradation and natural attenuation
    Pedro J J Alvarez
    Department of Civil and Environmental Engineering and Iowa Institute of Hydraulic Reserch, University of Iowa, Iowa City 52242 1547, USA
    Rev Latinoam Microbiol 44:83-104. 2002
    ..In addition, acetate and other volatile fatty acids could accumulate at high concentrations, causing a pH decrease in poorly buffered systems...
  99. ncbi Plant oils thymol and eugenol affect cattle and swine waste emissions differently
    V H Varel
    USDA ARS, US Meat Animal Research Center, Clay Center, NE 68933, USA
    Water Sci Technol 50:207-13. 2004
    ..were used to evaluate the effect of thymol and eugenol on production of fermentation gas, short-chain volatile fatty acids, lactate, and bacterial populations. Either oil at 0...
  100. ncbi Effects of Fusarium toxin-contaminated wheat grain on nutrient turnover, microbial protein synthesis and metabolism of deoxynivalenol and zearalenone in the rumen of dairy cows
    S Danicke
    Institute of Animal Nutrition, Federal Agricultural Research Centre FAL Braunschweig, Braunschweig, Germany
    J Anim Physiol Anim Nutr (Berl) 89:303-15. 2005
    ..The pH-values and the concentration of volatile fatty acids in ruminal fluid were not significantly influenced by feeding the contaminated wheat...
  101. pmc Control of acid resistance in Escherichia coli
    M P Castanie-Cornet
    Department of Microbiology and Immunology, University of South Alabama College of Medicine, Mobile, Alabama 36688, USA
    J Bacteriol 181:3525-35. 1999
    ..Neither gad gene required the presence of volatile fatty acids for induction...

Research Grants17

  1. Short Chain Fatty Acids and Intestinal Barrier Function
    Jing Lin; Fiscal Year: 2007
    ..The results of this study may help us to further understand the pathogenesis of NEC and lead to the development of novel prevention strategies and treatment methods. [unreadable] [unreadable] [unreadable]..
  2. VOLATILE MARKERS OF PULMONARY TUBERCULOSIS IN THE BREATH
    Michael Phillips; Fiscal Year: 2002
    ..M. tuberculosis manufactures volatile fatty acids and other volatile metabolites; detection of these VOCs in breath could provide an accurate, rapid, ..
  3. COLONIC CRYPT CELL FUNCTION
    HENRY BINDER; Fiscal Year: 2001
    ..We plan to establish the cellular model and the regulatory control of agonist-induced colonic bicarbonate secretion. These studies should define the cellular mechanisms of Na/C1/HCO/3 absorption and secretion in the colonic crypt. ..
  4. TREFOIL FACTOR FAMILY 3 IN NECROTIZING ENTEROCOLITIS
    Jing Lin; Fiscal Year: 2003
    ..These studies should provide novel insights into the development of the intestinal mucosal barrier and unique possible strategies for the early diagnosis and prevention of NEC in premature infants. ..
  5. Colonic Crypt HCO3 Secretion
    HENRY BINDER; Fiscal Year: 2006
    ..e., cNBC) differs substantially from other NBCs and may represent a novel epithelial cell NBC. We propose comprehensive transport, electrophysiological and molecular studies to characterize crypt HCO3 secretion. ..
  6. Oral Therapeutic for Beta-Thalassemia
    Susan Perrine; Fiscal Year: 2006
    ..unreadable] [unreadable]..
  7. Metabolic enzyme activity mediating myocardial stunning
    E Lewandowski; Fiscal Year: 2006
    ..unreadable] [unreadable] [unreadable]..
  8. Short-Chain Fatty Acid Enhanced Intestinal Adaptation
    KELLY TAPPENDEN; Fiscal Year: 2006
    ..abstract_text> ..
  9. SECRETORY FUNCTION OF PANCREATIC DUCT CELLS
    Toan Nguyen; Fiscal Year: 2003
    ..b) characterize the vectorial release of ATP release from PDEC (autocrine action) c) study the effect of mast cell degranulation, resulting in ATP release, on PDEC secretion (paracrine action). ..
  10. FETAL GLOBIN INDUCTION IN BETA THALASSEMIA
    Susan Perrine; Fiscal Year: 2002
    ..These studies should determine the proportion and some genotypes of beta thalassemia patients which can benefit from Pulsed Butyrate plus/minus rhu-EP0 therapy. ..
  11. MAGNETIC RESONANCE CARDIAC C13FLUX AND METABOLIC RATE
    E Lewandowski; Fiscal Year: 2001
    ..The long range objective is the ultimate use of C13 NMR to assess the activity and expression of these mitochondrial proteins that regulate metabolic flux in intact and in vivo organs during development and disease. ..
  12. Pharmacophore-Modeled Screening for HbF-Inducing Agents
    Susan Perrine; Fiscal Year: 2004
    ..virtual screening using molecular modeling with confirmation by reporter assay and selection of a specific HDAC activity should generate additional compounds for development of an optimal HbF inducer for an effective life-long treatment ..
  13. Intersociety Nutrition Research Workshop
    KELLY TAPPENDEN; Fiscal Year: 2006
    ..unreadable] [unreadable] [unreadable]..
  14. Erythropoiesis & pulse arginine butyrate in sickle cell
    Susan Perrine; Fiscal Year: 2005
    ..Abstract Not Provided ..
  15. Epigenetic toxicity of polycyclic aromatic hydrocarbons
    Brad Upham; Fiscal Year: 2008
    ..unreadable] [unreadable] [unreadable]..
  16. Engineering a Carbohydrate-Biomaterial Interface for Control of Wnt Signaling and
    Kevin J Yarema; Fiscal Year: 2010
    ....