Genomes and Genes
Summary: Total mass of all the organisms of a given type and/or in a given area. (From Concise Dictionary of Biology, 1990) It includes the yield of vegetative mass produced from any given crop.
Publications286 found, 100 shown here
- Kinetics, mass transfer and hydrodynamics in a packed bed aerobic reactor fed with anaerobically treated domestic sewageA Fazolo
, , , 2069. 85819-110, Cascavel, PR, Brazil
Environ Technol 27:1125-35. 2006..the kinetic, mass transfer and hydrodynamic parameters of a pilot-scale fixed bed reactor containing immobilized biomass in polyurethane matrices and fed with the effluent of a horizontal-flow fixed bed anaerobic reactor, which was ..
- Microbial production of fatty-acid-derived fuels and chemicals from plant biomassEric J Steen
Joint BioEnergy Institute, Emeryville, California 94608, USA
Nature 463:559-62. 2010..to this important class of chemicals would be through the microbial conversion of renewable feedstocks, such as biomass-derived carbohydrates...
- Metagenomic discovery of biomass-degrading genes and genomes from cow rumenMatthias Hess
Department of Energy, Joint Genome Institute, Walnut Creek, CA 94598, USA
Science 331:463-7. 2011..deconstruct plant polysaccharides represents a major bottleneck for industrial-scale conversion of cellulosic biomass into biofuels...
- Biomass recalcitrance: engineering plants and enzymes for biofuels productionMichael E Himmel
Chemical and Biosciences Center, National Renewable Energy Laboratory, Golden, CO 80401, USA
Science 315:804-7. 2007Lignocellulosic biomass has long been recognized as a potential sustainable source of mixed sugars for fermentation to biofuels and other biomaterials...
- Microbial cellulose utilization: fundamentals and biotechnologyLee R Lynd
Chemical and Biochemical Engineering, Thayer School of Engineering and Department of Biological Sciences, Dartmouth College, Hanover, New Hampshire 03755, USA
Microbiol Mol Biol Rev 66:506-77, table of contents. 2002..examined at successively higher levels of aggregation encompassing the structure and composition of cellulosic biomass, taxonomic diversity, cellulase enzyme systems, molecular biology of cellulase enzymes, physiology of ..
- The biomass objective functionAdam M Feist
GT Life Sciences, Inc, 10520 Wateridge Circle, San Diego, CA 92122, USA
Curr Opin Microbiol 13:344-9. 2010..To computationally predict cell growth using FBA, one has to determine the biomass objective function that describes the rate at which all of the biomass precursors are made in the correct ..
- Biodiesel from microalgaeYusuf Chisti
Institute of Technology and Engineering, Massey University, Private Bag 11 222, Palmerston North, New Zealand
Biotechnol Adv 25:294-306. 2007..Oil productivity of many microalgae greatly exceeds the oil productivity of the best producing oil crops. Approaches for making microalgal biodiesel economically competitive with petrodiesel are discussed...
- Feedstocks for lignocellulosic biofuelsChris Somerville
Energy Biosciences Institute, The University of California Berkeley, Berkeley, CA 94720, USA
Science 329:790-2. 2010..However, there has been relatively little discussion of what types of plants may be useful as bioenergy crops...
- Hydrolysis of lignocellulosic materials for ethanol production: a reviewYe Sun
Department of Biological and Agricultural Engineering, North Carolina State University, Raleigh 27695-7625, USA
Bioresour Technol 83:1-11. 2002Lignocellulosic biomass can be utilized to produce ethanol, a promising alternative energy source for the limited crude oil...
- Features of promising technologies for pretreatment of lignocellulosic biomassNathan Mosier
Laboratory of Renewable Resources Engineering, Department of Agricultural and Biological Engineering, Purdue University, Potter Engineering Center, 500 Central Drive, West Lafayette, IN 47907-2022, USA
Bioresour Technol 96:673-86. 2005..structural and compositional factors hinder the enzymatic digestibility of cellulose present in lignocellulosic biomass. The goal of any pretreatment technology is to alter or remove structural and compositional impediments to ..
- From dwarves to giants? Plant height manipulation for biomass yieldMaria G Salas Fernandez
Department of Agronomy, 1126E Agronomy Hall, Iowa State University, Ames, IA 50011, USA
Trends Plant Sci 14:454-61. 2009The increasing demand for lignocellulosic biomass for the production of biofuels provides value to vegetative plant tissue and leads to a paradigm shift for optimizing plant architecture in bioenergy crops...
- Global patterns and predictions of seafloor biomass using random forestsChih Lin Wei
Department of Oceanography, Texas A and M University, College Station, Texas, United States of America
PLoS ONE 5:e15323. 2010A comprehensive seafloor biomass and abundance database has been constructed from 24 oceanographic institutions worldwide within the Census of Marine Life (CoML) field projects...
- An outlook on microalgal biofuelsRene H Wijffels
Wageningen University, Bioprocess Engineering, Post Office Box 8129, 6700 EV Wageningen, Netherlands
Science 329:796-9. 2010....
- The path forward for biofuels and biomaterialsArthur J Ragauskas
School of Chemistry and Biochemistry, Georgia Institute of Technology, Atlanta, GA 30332, USA
Science 311:484-9. 2006b>Biomass represents an abundant carbon-neutral renewable resource for the production of bioenergy and biomaterials, and its enhanced use would address several societal needs...
- Rapid worldwide depletion of predatory fish communitiesRansom A Myers
Biology Department, Dalhousie University, Halifax, Nova Scotia, Canada B3H 4J1
Nature 423:280-3. 2003..We constructed trajectories of community biomass and composition of large predatory fishes in four continental shelf and nine oceanic systems, using all available ..
- Stimulation of lignocellulosic biomass hydrolysis by proteins of glycoside hydrolase family 61: structure and function of a large, enigmatic familyPaul V Harris
Novozymes Inc, 1445 Drew Avenue, Davis, California 95618, USA
Biochemistry 49:3305-16. 2010..of a biorefinery capable of producing renewable transportable fuels such as ethanol from abundant lignocellulosic biomass. Among the many families of glycoside hydrolases that catalyze cellulose and hemicellulose hydrolysis, few are ..
- Loss of plant species after chronic low-level nitrogen deposition to prairie grasslandsChristopher M Clark
Department of Ecology, Evolution and Behavior, 100 Ecology, 1987 Upper Buford Circle, University of Minnesota, St Paul, Minnesota 55108, USA
Nature 451:712-5. 2008..A second experiment showed that a decade after cessation of nitrogen addition, relative plant species number, although not species abundances, had recovered, demonstrating that some effects of nitrogen addition are reversible...
- Woodsmoke health effects: a reviewLuke P Naeher
Department of Environmental Health Science, College of Public Health, University of Georgia, Athens, Georgia, USA
Inhal Toxicol 19:67-106. 2007..of smoke from wildland fires and agricultural burning, and related controlled human laboratory exposures to biomass smoke; the epidemiology of outdoor and indoor woodsmoke exposures from residential woodburning in developed ..
- Genome-scale reconstruction and analysis of the Pseudomonas putida KT2440 metabolic network facilitates applications in biotechnologyJacek Puchałka
Synthetic and Systems Biology Group, Helmholtz Center for Infection Research HZI, Braunschweig, Germany
PLoS Comput Biol 4:e1000210. 2008..revealed that the metabolic network structure is the main factor determining the accuracy of predictions, whereas biomass composition has negligible influence...
- Climate-driven trends in contemporary ocean productivityMichael J Behrenfeld
Department of Botany and Plant Pathology, Oregon State University, Corvallis, Oregon 97331, USA
Nature 444:752-5. 2006..The distribution of phytoplankton biomass and NPP is defined by the availability of light and nutrients (nitrogen, phosphate, iron)...
- Transcriptional regulation of biomass-degrading enzymes in the filamentous fungus Trichoderma reeseiPamela K Foreman
Genencor International, Inc, Palo Alto, California 94304, USA
J Biol Chem 278:31988-97. 2003..produces and secretes profuse quantities of enzymes that act synergistically to degrade cellulase and related biomass components. We partially sequenced over 5100 random T. reesei cDNA clones...
- Genomics of cellulosic biofuelsEdward M Rubin
DOE Joint Genome Institute, 2800 Mitchell Drive, Walnut Creek, California 94598, USA
Nature 454:841-5. 2008The development of alternatives to fossil fuels as an energy source is an urgent global priority. Cellulosic biomass has the potential to contribute to meeting the demand for liquid fuel, but land-use requirements and process ..
- Interactions among predators and the cascading effects of vertebrate insectivores on arthropod communities and plantsKailen A Mooney
Department of Ecology and Evolutionary Biology, University of California, Irvine, CA 92697 2525, USA
Proc Natl Acad Sci U S A 107:7335-40. 2010Theory on trophic interactions predicts that predators increase plant biomass by feeding on herbivores, an indirect interaction called a trophic cascade...
- Regulation of plant biomass productionTaku Demura
Graduate School of Biological Sciences, Nara Institute of Science and Technology, 8916 5 Takayama cho, Ikoma, Nara 630 0192, Japan
Curr Opin Plant Biol 13:299-304. 2010Plant biomass used for cellulosic biofuel production is primarily from vegetative tissues. Therefore, an increase in the vegetative growth of plants will lead to a higher production of plant biomass...
- Insights into the oxidative degradation of cellulose by a copper metalloenzyme that exploits biomass componentsR Jason Quinlan
Novozymes, Inc, Davis, CA 95618, USA
Proc Natl Acad Sci U S A 108:15079-84. 2011The enzymatic degradation of recalcitrant plant biomass is one of the key industrial challenges of the 21st century. Accordingly, there is a continuing drive to discover new routes to promote polysaccharide degradation...
- Chloroplast-derived enzyme cocktails hydrolyse lignocellulosic biomass and release fermentable sugarsDheeraj Verma
Department of Molecular Biology and Microbiology, Burnett School of Biomedical Sciences, College of Medicine, University of Central Florida, Orlando, FL 32816 2364, USA
Plant Biotechnol J 8:332-50. 2010..first report of using plant-derived enzyme cocktails for production of fermentable sugars from lignocellulosic biomass. Limitations of higher cost and lower production capacity of fermentation systems are addressed by chloroplast-..
- Anaerobic digestion of microalgae as a necessary step to make microalgal biodiesel sustainableBruno Sialve
INRA, UR050, Laboratoire de Biotechnologie de l Environnement, Avenue des Etangs, Narbonne F 11100, France
Biotechnol Adv 27:409-16. 2009..In the perspective of setting up massive cultures, the management of large quantities of residual biomass and the high amounts of fertilizers must be considered...
- Reconstruction and analysis of genome-scale metabolic model of a photosynthetic bacteriumArnau Montagud
Instituto Universitario de Matemática Pura y Aplicada, Universidad Politecnica de Valencia, Camino de Vera 14, Valencia, Spain
BMC Syst Biol 4:156. 2010..In order to enable efficient use of metabolic potential of Synechocystis sp. PCC6803, it is of importance to develop tools for uncovering stoichiometric and regulatory principles in the Synechocystis metabolic network...
- Global response patterns of terrestrial plant species to nitrogen additionJianyang Xia
State Key Laboratory of Vegetation and Environmental Change, Institute of Botany, Chinese Academy of Sciences, Xiangshan, Beijing 100093, China
New Phytol 179:428-39. 2008..Across 456 terrestrial plant species included in the analysis, biomass and N concentration were increased by 53.6 and 28.5%, respectively, under N enrichment...
- Agriculture. Sustainable biofuels reduxG Philip Robertson
W. K. Kellogg Biological Station and Department of Crop and Soil Sciences, Michigan State University, Hickory Corners, MI 49060, USA
Science 322:49-50. 2008
- Biomass content governs fermentation rate in nitrogen-deficient wine mustsCristian Varela
, , , Santiago, Chile
Appl Environ Microbiol 70:3392-400. 2004..A lack of nitrogen diminishes a yeast's metabolic activity, as well as the biomass yield, although it has not been clear which of these two interdependent factors is more significant in sluggish ..
- Flux balance analysis of primary metabolism in Chlamydomonas reinhardtiiNanette R Boyle
School of Chemical Engineering, Purdue University, West Lafayette, Indiana 47907, USA
BMC Syst Biol 3:4. 2009..organisms convert atmospheric carbon dioxide into numerous metabolites along the pathways to make new biomass. Aquatic photosynthetic organisms, which fix almost half of global inorganic carbon, have great potential: as a ..
- Ethanol fermentation from biomass resources: current state and prospectsYan Lin
Asian Center for Environmental Research, Meisei University, Tokyo, Japan
Appl Microbiol Biotechnol 69:627-42. 2006In recent years, growing attention has been devoted to the conversion of biomass into fuel ethanol, considered the cleanest liquid fuel alternative to fossil fuels...
- Grassland responses to global environmental changes suppressed by elevated CO2M Rebecca Shaw
Department of Global Ecology, Carnegie Institution of Washington, 260 Panama Street, Stanford, CA 94305, USA
Science 298:1987-90. 2002..These findings indicate the importance of a multifactor experimental approach to understanding ecosystem responses to global change...
- Ecosystem energetic implications of parasite and free-living biomass in three estuariesArmand M Kuris
Department of Ecology, Evolution and Marine Biology and Marine Science Institute, University of California, Santa Barbara, California 93106, USA
Nature 454:515-8. 2008Parasites can have strong impacts but are thought to contribute little biomass to ecosystems. We quantified the biomass of free-living and parasitic species in three estuaries on the Pacific coast of California and Baja California...
- Soil biota and exotic plant invasionRagan M Callaway
Division of Biological Sciences, The University of Montana, Missoula, Montana 59812, USA
Nature 427:731-3. 2004..But in soils from North America, Centaurea cultivates soil biota with increasingly positive effects on itself, which may contribute to the success of this exotic species in North America...
- Effects of biodiversity on the functioning of trophic groups and ecosystemsBradley J Cardinale
Department of Ecology, Evolution and Marine Biology, University of California at Santa Barbara, Santa Barbara, California 93106, USA
Nature 443:989-92. 2006..and examine how this alters the efficiency by which communities capture resources and convert those into biomass. So far, the generality of patterns and processes observed in individual studies have been the subjects of ..
- How do plants respond to nutrient shortage by biomass allocation?Christian Hermans
Laboratoire de Physiologie et de Génétique Moléculaire des Plantes, Universite Libre de Bruxelles, Boulevard du Triomphe CP 242, 1050 Brussels, Belgium
Trends Plant Sci 11:610-7. 2006..changes in their environment; when mineral elements are scarce, they often allocate a greater proportion of their biomass to the root system...
- Progress and challenges in enzyme development for biomass utilizationSandra T Merino
Novozymes Inc, 1445 Drew Ave, CA 95618, Davis, USA
Adv Biochem Eng Biotechnol 108:95-120. 2007..Here we describe advances in enzyme technology for use in the production of biofuels and the challenges that remain...
- Using experimental manipulation to assess the roles of leaf litter in the functioning of forest ecosystemsEmma J Sayer
Department of Plant Sciences, Downing Street, Cambridge CB2 3EA, UK
Biol Rev Camb Philos Soc 81:1-31. 2006....
- Soil biota and invasive plantsKurt O Reinhart
Department of Biology, Indiana University, Jordan Hall Room 127, 1001 East 3rd Street, Bloomington, IN 47405 3700, USA
New Phytol 170:445-57. 2006....
- Microdiesel: Escherichia coli engineered for fuel productionRainer Kalscheuer
, , Corrensstrasse 3, , Germany
Microbiology 152:2529-36. 2006..It is produced from renewable biomass by transesterification of triacylglycerols from plant oils, yielding monoalkyl esters of long-chain fatty acids ..
- Trends in biotechnological production of fuel ethanol from different feedstocksOscar J Sánchez
Department of Chemical Engineering, National University of Colombia at Manizales, Cra 27 No 64 60 Of F 505, Manizales, Caldas, Colombia
Bioresour Technol 99:5270-95. 2008..fuel ethanol from sucrose-containing feedstocks (mainly sugar cane), starchy materials and lignocellulosic biomass are described along with the major research trends for improving them...
- Optimal photosynthetic use of light by tropical tree crowns achieved by adjustment of individual leaf angles and nitrogen contentJuan M Posada
Department of Botany, University of Florida, 220 Bartram Hall, Gainesville, FL 32611, USA
Ann Bot 103:795-805. 2009..The aim was to examine to what degree partitioning of nitrogen or light is optimized in the crowns of three tropical canopy tree species...
- Functional traits and the growth-mortality trade-off in tropical treesS Joseph Wright
Smithsonian Tropical Research Institute, Apartado 0843 03092, Balboa, Panama
Ecology 91:3664-74. 2010..Although WD provides a promising start, a successful trait-based ecology of tropical forest trees will require consideration of additional traits...
- HeterosisJames A Birchler
Division of Biological Sciences, University of Missouri, Columbia, Missouri 65211, USA
Plant Cell 22:2105-12. 2010..to the phenomenon that progeny of diverse varieties of a species or crosses between species exhibit greater biomass, speed of development, and fertility than both parents...
- The carbon balance of terrestrial ecosystems in ChinaShilong Piao
Department of Ecology, College of Urban and Environmental Science, and Key Laboratory for Earth Surface Processes of the Ministry of Education, Peking University, Beijing 100871, China
Nature 458:1009-13. 2009..carbon balance of China and its driving mechanisms during the 1980s and 1990s using three different methods: biomass and soil carbon inventories extrapolated by satellite greenness measurements, ecosystem models and atmospheric ..
- Unraveling epistasis with triple testcross progenies of near-isogenic linesJochen C Reif
Institute of Plant Breeding, Technical University of Munich, 85350 Freising, Germany
Genetics 181:247-57. 2009..Furthermore, our findings suggested that additive main effects as well as additive-by-additive digenic epistasis strongly influence the genetic architecture underlying growth-related traits of A. thaliana...
- Ecological environment changes in Daya Bay, China, from 1982 to 2004You Shao Wang
Key Laboratory of Tropical Marine Environmental Dynamics, South China Sea Institute of Oceanology, Chinese Academy of Sciences, Guangzhou 510301, China
Mar Pollut Bull 56:1871-9. 2008..Major zooplankton species went from 46 species in 1983 to 36 species in 2004. The annual mean biomass of benthic animals was recorded at 123.10 g m(-2) in 1982 and 126.68 g m(-2) in 2004...
- Biomass and lipid productivities of Chlorella vulgaris under autotrophic, heterotrophic and mixotrophic growth conditionsYanna Liang
Department of Civil and Environmental Engineering, Southern Illinois University, 1230 Lincoln Dr, Carbondale, IL 62901, USA
Biotechnol Lett 31:1043-9. 2009b>Biomass and lipid productivities of Chlorella vulgaris under different growth conditions were investigated...
- Methyl jasmonate reduces grain yield by mediating stress signals to alter spikelet development in riceEun Hye Kim
School of Biotechnology and Environmental Engineering, Myongji University, Yongin 449 728, Korea
Plant Physiol 149:1751-60. 2009..Overall, our results suggest that plants produce MeJA during drought stress, which in turn stimulates the production of ABA, together leading to a loss of grain yield...
- Five QTL hotspots for yield in short rotation coppice bioenergy poplar: the Poplar Biomass LociAnne M Rae
School of Biological Sciences, University of Southampton, Bassett Crescent East, Southampton, UK
BMC Plant Biol 9:23. 2009Concern over land use for non-food bioenergy crops requires breeding programmes that focus on producing biomass on the minimum amount of land that is economically-viable...
- Competition for light causes plant biodiversity loss after eutrophicationYann Hautier
Institute of Environmental Sciences, University of Zurich, Winterthurerstrasse 190, CH 8057 Zurich, Switzerland
Science 324:636-8. 2009..Our conclusions have implications for grassland management and conservation policy and underscore the need to control nutrient enrichment if plant diversity is to be preserved...
- Cultivation of microalgae for oil production with a cultivation strategy of urea limitationChih Hung Hsieh
Department of Chemical Engineering, National Cheng Kung University, Tainan, Taiwan
Bioresour Technol 100:3921-6. 2009The microalgae, Chlorella sp., were cultivated in various culture modes to assess biomass and lipid productivity in this study. In the batch mode, the biomass concentrations and lipid content of Chlorella sp...
- Particle concentration and yield stress of biomass slurries during enzymatic hydrolysis at high-solids loadingsChristine M Roche
National Renewable Energy Laboratory, National Bioenergy Center, 1617 Cole Boulevard, Golden, Colorado 80401, USA
Biotechnol Bioeng 104:290-300. 2009Effective and efficient breakdown of lignocellulosic biomass remains a primary barrier for its use as a feedstock for renewable transportation fuels...
- Does productivity drive diversity or vice versa? A test of the multivariate productivity-diversity hypothesis in streamsBradley J Cardinale
Department of Ecology, Evolution, and Marine Biology, University of California Santa Barbara, Santa Barbara, California 93106, USA
Ecology 90:1227-41. 2009..an increasing number of experiments have shown that species diversity controls, rather than simply responds to, biomass production...
- Understanding the adaptive growth strategy of Lactobacillus plantarum by in silico optimisationBas Teusink
Top Institute Food and Nutrition WCFS, Wageningen, The Netherlands
PLoS Comput Biol 5:e1000410. 2009..adaptation on an unusual and poor carbon source (for this bacterium) would select for mutants with optimal biomass yields. We have therefore adapted Lactobacillus plantarum to grow well on glycerol as its main growth substrate...
- Network analysis of enzyme activities and metabolite levels and their relationship to biomass in a large panel of Arabidopsis accessionsRonan Sulpice
Max Planck Institute of Molecular Plant Physiology, 14476 Potsdam Golm, Germany
Plant Cell 22:2872-93. 2010..metabolism and generate a matrix to investigate species-wide connectivity between metabolites, enzymes, and biomass. Most enzyme activities change in a highly coordinated manner, especially those in the Calvin-Benson cycle...
- Comparison of dilute acid and ionic liquid pretreatment of switchgrass: Biomass recalcitrance, delignification and enzymatic saccharificationChenlin Li
Joint BioEnergy Institute, Physical Biosciences Division, Lawrence Berkeley National Laboratory, Emeryville, CA, USA
Bioresour Technol 101:4900-6. 2010The efficiency of two biomass pretreatment technologies, dilute acid hydrolysis and dissolution in an ionic liquid, are compared in terms of delignification, saccharification efficiency and saccharide yields with switchgrass serving as a ..
- Tobacco as a production platform for biofuel: overexpression of Arabidopsis DGAT and LEC2 genes increases accumulation and shifts the composition of lipids in green biomassVyacheslav Andrianov
Biotechnology Foundation Laboratories, Thomas Jefferson University, Philadelphia, PA, USA
Plant Biotechnol J 8:277-87. 2010When grown for energy production instead for smoking, tobacco can generate a large amount of inexpensive biomass more efficiently than almost any other agricultural crop...
- Species and functional group diversity independently influence biomass accumulation and its response to CO2 and NPeter B Reich
Department of Forest Resources, University of Minnesota, St Paul, 55108, USA
Proc Natl Acad Sci U S A 101:10101-6. 2004The characteristics of plant assemblages influence ecosystem processes such as biomass accumulation and modulate terrestrial responses to global change factors such as elevated atmospheric CO(2) and N deposition, but covariation between ..
- A global perspective on belowground carbon dynamics under nitrogen enrichmentLingli Liu
Environmental Media Assessment Group MD B243 01, National Center for Environmental Assessment, Office of Research and Development, U S EPA, Research Triangle Park, NC 27711, USA
Ecol Lett 13:819-28. 2010..N addition inhibited microbial activity as indicated by a reduction in microbial respiration (-8%) and microbial biomass carbon (-20%)...
- Separating the influence of resource 'availability' from resource 'imbalance' on productivity-diversity relationshipsBradley J Cardinale
Department of Ecology, Evolution and Marine Biology, University of California Santa Barbara, Santa Barbara, CA 93106, USA
Ecol Lett 12:475-87. 2009..quantity of limiting resources, (ii) the stoichiometric ratios of different limiting resources, (iii) the summed biomass produced by a group of potential competitors and (iv) the richness of co-occurring species in a local competitive ..
- Genome-derived minimal metabolic models for Escherichia coli MG1655 with estimated in vivo respiratory ATP stoichiometryHilal Taymaz-Nikerel
Department of Biotechnology, Delft University of Technology, Julianalaan BC Delft, The Netherlands
Biotechnol Bioeng 107:369-81. 2010..Accurate estimation of biomass and product yields requires correct information on the ATP stoichiometry...
- Plant species traits are the predominant control on litter decomposition rates within biomes worldwideWilliam K Cornwell
Faculty of Earth and Life Sciences, Department of Systems Ecology, Institute of Ecological Science, Vrije Universiteit, De Boelelaan 1085, 1081 HV Amsterdam, The Netherlands
Ecol Lett 11:1065-71. 2008..This connection between plant strategies and decomposability is crucial for both understanding vegetation-soil feedbacks, and for improving forecasts of the global carbon cycle...
- Respiratory health effects of indoor air pollutionR Perez-Padilla
Instituto Nacional de Enfermedades Respiratorias, Mexico City, Mexico
Int J Tuberc Lung Dis 14:1079-86. 2010..One half of the world's population is exposed to high concentrations of solid fuel smoke (biomass and coal) that are produced by inefficient open fires, mainly in the rural areas of developing countries...
- Light limitation of nutrient-poor lake ecosystemsJan Karlsson
Climate Impacts Research Centre, Department of Ecology and Environmental Science, Umea University, Box 62, SE 981 07 Abisko, Sweden
Nature 460:506-9. 2009Productivity denotes the rate of biomass synthesis in ecosystems and is a fundamental characteristic that frames ecosystem function and management...
- Dispersal frequency affects local biomass production by controlling local diversityBirte Matthiessen
Ecol Lett 9:652-62. 2006..We experimentally investigated how initial local diversity and dispersal frequency affect local diversity and biomass production in open benthic microalgal metacommunities...
- Direct and indirect control of grassland community structure by litter, resources, and biomassEric G Lamb
Department of Biological Sciences, CW 315 Biological Sciences Building University of Alberta, Edmonton, Alberta T6G 2E9, Canada
Ecology 89:216-25. 2008Multiple factors linked through complex networks of interaction including fertilization, aboveground biomass, and litter control the diversity of plant communities...
- Nitrogen limitation constrains sustainability of ecosystem response to CO2Peter B Reich
Department of Forest Resources, University of Minnesota, St Paul, Minnesota 55108, USA
Nature 440:922-5. 2006Enhanced plant biomass accumulation in response to elevated atmospheric CO2 concentration could dampen the future rate of increase in CO2 levels and associated climate warming...
- Variation of phytoplankton biomass and primary production in Daya Bay during spring and summerXingyu Song
LED and MBRSD, South China Sea Institute of Oceanology, CAS, 510301, China
Mar Pollut Bull 49:1036-44. 2004Environmental factors, phytoplankton biomass (Chl a) and primary production of two water areas in Daya Bay (Dapeng'ao Bay and Aotou Bay) were investigated during the transition period from spring to summer. Chl a ranged from 3.20 to 13...
- Biomass responses to elevated CO2, soil heterogeneity and diversity: an experimental assessment with grassland assemblagesFernando T Maestre
Department of Biology, Duke University, Phytotron Building, Box 90340, Durham, NC, 27708, USA
Oecologia 151:512-20. 2007..elevated CO(2), soil heterogeneity and diversity (species richness and composition) on productivity, patterns of biomass allocation and root foraging precision, we conducted an experiment with grassland assemblages formed by ..
- Comparison of membrane biofouling in nitrification and denitrification for the membrane bioreactor (MBR)N Jang
Dep. of Env. Sci. and Eng, Gwangju Institute of Sci. and Tech. (GIST, 1 Oryong-dong, Buk-gu, Gwangju 500-712, Republic of Korea
Water Sci Technol 53:43-9. 2006..The changes in the EPS and SMP characteristics were the main fouling parameters in denitrification...
- Nutrients removal in hybrid fluidised bed bioreactors operated with aeration cyclesMartin Martin
Department of Chemical Engineering and Environmental Technology, University of Valladolid, C Dr Mergelina s n, 47005 Valladolid, Spain
Water Sci Technol 55:51-8. 2007..The microbial fingerprints, i.e. DGGE profiles, indicated that biological communities in both reactors were stable along the operational period even when the operating conditions were changed...
- Effect of hydraulic retention time on membrane fouling and biomass characteristics in submerged membrane bioreactorsFangang Meng
Key Laboratory of Industrial Ecology and Environmental Engineering, MOE, School of Environmental and Biological Science and Technology, Dalian University of Technology, Dalian, 116024, People s Republic of China
Bioprocess Biosyst Eng 30:359-67. 2007..removal efficiency of chemical oxygen demand (COD) was stable though it decreased slightly as HRT decreased, but biomass activity and dissolved oxygen (DO) concentration in sludge suspension decreased as HRT decreased...
- Assessing microbial communities for a metabolic profile similar to activated sludgeS M Paixão
Environmental Microbiologist, Unit of Monitoring and Ecotoxicity UME at Biotechnology Department of INETI, Lisboa, Portugal
Water Environ Res 79:536-46. 2007..New, well-defined, standardized, and safe inocula presenting the same metabolic community profile as activated sludge were selected and can be tested as surrogate cultures in activated-sludge-based bioassays...
- Symbiotic algal bacterial wastewater treatment: effect of food to microorganism ratio and hydraulic retention time on the process performanceM Medina
Institute of Wastewater Management and Water Protection, University of Technology Hamburg Harburg, FSP 1 02, D 21071 Hamburg, Germany
Water Sci Technol 55:165-71. 2007Algal incorporation into the biomass is important in an innovative wastewater treatment that exploits the symbiosis between bacterial activated sludge and microalgae (Chlorella vulgaris sp. Hamburg)...
- Impacts of C4 grass introductions on soil carbon and nitrogen cycling in C3-dominated successional systemsWendy M Mahaney
Department of Plant Biology, Michigan State University, WK Kellogg Biological Station, Hickory Corners, MI, USA
Oecologia 157:295-305. 2008..species on ecosystem properties, less is known about how restoring individual native plant species, differing in biomass and tissue chemistry, may impact ecosystems...
- Examining the influence of substrates and temperature on maximum specific growth rate of denitrifiersY Mokhayeri
Civil and Environmental Engineering Department, George Washington University, Washington, DC 20052, USA
Water Sci Technol 54:155-62. 2006..3 d(-1)) and acetate (1.2 d(-1)) are higher than that for methanol (0.5d(-1)) at low temperature of 13 degrees C. A similar trend was observed at 19 degrees C...
- The effects of tree rhizodeposition on soil exoenzyme activity, dissolved organic carbon, and nutrient availability in a subalpine forest ecosystemMichael N Weintraub
Department of Environmental Sciences, University of Toledo, 2801 W Bancroft Street, Mail Stop 604, Toledo, OH 43606, USA
Oecologia 154:327-38. 2007..decomposition, as well as soil dissolved organic C, dissolved organic and inorganic nitrogen (N), and microbial biomass C and N...
- Carbon turnover and ammonia emissions during composting of biowaste at different temperaturesYlva Eklind
Department of Soil Sciences, Swedish University of Agricultural Sciences, P O Box 7014, SE 750 07 Uppsala, Sweden
J Environ Qual 36:1512-20. 2007..Decomposition of crude fat was slower at 40 degrees C than at 55 and 67 degrees C. The peak in microbial biomass was largest in the run at 40 degrees C, where substantial differences were seen in the microbial community ..
- An evaluation of the phosphorus storage capacity of an anaerobic/aerobic sequential batch biofilm reactorRen Jie Chiou
Department of Environmental and Property Management, Jinwen University of Science and Technology, 99 An Chung Road, Sindien, Taipei County, Taiwan
Bioresour Technol 99:4408-13. 2008..In the anaerobic phase, the specific COD uptake rates increases from 0.05 to 0.22 (mg-COD/mg-biomass/h) as the initial COD increases and the main COD uptake activity occurs in the initial 30 min...
- Production and recovery process of polyhydroxybutyrate (PHB) from waste activated sludgeKalyani Mahapatra
Environmental Biotechnology Division, National Environmental Engineering Research Institute, Nehru Marg, Nagpur, India
J Environ Sci Eng 49:164-9. 2007..By using these optimized recovery processes with optimized C:N ratio 10, the maximum product recovery was observed to be 62.3% (w/w). The results are presented and discussed in this paper...
- Hybrid moving bed biofilm reactors: a pilot plant experimentD Di Trapani
Dipartimento di Ingegneria Idraulica ed Applicazioni Ambientali, Universita di Palermo, Viale delle Scienze, 90128, Palermo, Italy
Water Sci Technol 57:1539-45. 2008..Indeed, there may be problem of competitiveness between attached and suspended biomass that jointly operate in the same system for carbon and nitrogen removal...
- Removal of inhibitory phenolic compounds by biological activated carbon coupled membrane bioreactorQ T T Thuy
Environmental Engineering Course, Department of Urban Engineering, University of Tokyo, Japan
Water Sci Technol 53:89-97. 2006..Relatively low values of phenol adsorption of GAC and biomass, and high maximum substrate removal rates obtained from a biokinetic experiment, proved that the removals were ..
- Effects of temperature on tertiary nitrification in moving-bed biofilm reactorsRoberta Salvetti
D I I A R Environmental Engineering Department, Politecnico di Milano, Technical University of Milan, P za Leonardo Da Vinci, 32 20133 Milano, Italy
Water Res 40:2981-93. 2006..An explanation was given that, under oxygen-limiting conditions, the specific biomass activity (i.e...
- Modelling of long-term simultaneous nitrification and denitrification (SNDN) performance of a pilot scale membrane bioreactorM Sarioglu
MASS Treatment Systems Construction Industry and Trade Co Inc, Gebze Organized Industrial Region, Gebze, Kocaeli, Turkey
Water Sci Technol 57:1825-33. 2008..i) an MBR is basically regarded as an activated sludge process-a suspended growth bioreactor with total biomass recycle and substantially higher biomass concentration; (ii) in this context an AS model, namely ASM1R modified ..
- Achieving the nitrite pathway using aeration phase length control and step-feed in an SBR removing nutrients from abattoir wastewaterRomain Lemaire
Advanced Water Management Centre, The University of Queensland, St Lucia, QLD 4072, Australia
Biotechnol Bioeng 100:1228-36. 2008....
- Effects of macrophyte functional group richness on emergent freshwater wetland functionsVirginie Bouchard
School of Environment and Natural Resources, Ohio State University, Columbus, Ohio 43210, USA
Ecology 88:2903-14. 2007..We found that an increase in the richness of wetland plant functional groups enhanced belowground plant biomass, altered rooting patterns, and decreased methane efflux, while having no effect on aboveground plant production ..
- Tree species and mycorrhizal associations influence the magnitude of rhizosphere effectsRichard P Phillips
Department of Natural Resources, Cornell University, Ithaca, New York 14853, USA
Ecology 87:1302-13. 2006..In AM tree species, microbial biomass, net N mineralization, and phosphatase enzyme activity in the rhizosphere were 10-12% greater than in bulk soil...
- Calcium effect on fermentative hydrogen production in an anaerobic up-flow sludge blanket systemF Y Chang
BioHydrogen Laboratory, Department of Hydraulic Engineering, Feng Chia University, P.O. Box 25-123, Taichung 40724, Chinese, Taiwan
Water Sci Technol 54:105-12. 2006..The EPS concentration of biohydrogenic biomass was higher than that of the aerobic or methanogenic biomass. The protein/carbon-ratio ranged from 0.17 to 0.26%...
- Calibration and validation of an ASM3-based steady-state model for activated sludge systems--part I: Prediction of nitrogen removal and sludge productionG Koch
Swiss Federal Institute for Environmental Science and Technology (EAWAG) and Swiss Federal Institute of Technology (ETH, Abteilung Ingenieurwissenschaften,
Water Res 35:2235-45. 2001..degradable particulate substrate along the activated sludge plant and from the endogenous respiration of the biomass. The model is calibrated and validated with data from long-term full-scale and pilot-plant experiments for Swiss ..
- Biosolids accumulation and biodegradation of domestic wastewater treatment plant sludge by developed liquid state bioconversion process using a batch fermenterMd Zahangir Alam
Department of Chemical and Environmental Engineering, Faculty of Engineering, Universiti Putra Malaysia, 43400 UPM Serdang, Selangor DE, Malaysia
Water Res 37:3569-78. 2003..In developed bioconversion processes, 93.8 g/kg of biosolids was enriched with fungal biomass protein of 30 g/kg...
- Partial nitrification in a high-load activated sludge system by biofilter backwash water recirculationZ Melicz
Department of Sanitary and Environmental Engineering, Budapest University of Technology and Economics, Müegyetem rkp 3 UV Building, H 1111 Budapest, Hungary
Water Sci Technol 47:93-9. 2003..The introduction of biofilter backwash water, containing nitrifying biomass, has generated significant ammonium conversion in the aerated basins, where nitrification was observed previously ..
- Carbon and nitrogen removal from tannery wastewater with a membrane bioreactorA Goltara
Chemical Engineering Department, Institute of Technology, Campus Sur, University of Santiago de Compostela, Santiago de Compostela E-15782, Spain
Water Sci Technol 48:207-14. 2003..The biomass concentration inside the reactor varied considerably, with maximum values close to 10 g/L at the end of operation...
- Effects of predation and ORP conditions on the performance of nitrifiers in activated sludge systemsY Lee
Department of Civil Engineering, University of Manitoba, 15 Gillson Street, Man. R3T 5V6, Winnipeg, Canada
Water Res 37:4202-10. 2003..It was found that the biomass, determined by mixed liquor volatile suspended solids (MLVSS) in the reactors, was significantly affected by ..
- Biomass growth and activity in a membrane bioreactor with complete sludge retentionAlfieri Pollice
CNR Istituto di Ricerca Sulle Acque, Viale F De Blasio, n 5 Zona Ind, Bari 70123, Italy
Water Res 38:1799-808. 2004..8 and 1.7 g CODL(react.)(-1)d(-1)). Secondly, biomass growth and accumulation of solids were assessed and a relationship between sludge concentration and volumetric ..
- Granulation of Anammox microorganisms in up-flow reactorsU Imajo
Kurita Water Industries Ltd, 7 1, Wakamiya, Morinosato, Atsugi City, Kanagawa, 243 0124, Japan
Water Sci Technol 49:155-63. 2004Experimental studies were performed to evaluate the feasibility of granulation of Anammox microorganisms for biomass retention in up-flow reactors. Two experimental studies, one using a 6...
- Ozone disintegration of excess biomass and application to nitrogen removalKi Young Park
Ecotechnology Research Group, Korea Institute of Science and Technology, Seoul, Cheongryang, South Korea
Water Environ Res 76:162-7. 2004..an ozonation unit was built to investigate the feasibility of using ozone-disintegration byproducts of wasted biomass as a carbon source for denitrification...
- Indicators of biofilm development and activity in constructed wetlands microcosmsS R Ragusa
Department of Chemical Engineering, University of Sydney, NSW 2006, Australia
Water Res 38:2865-73. 2004..5 cm depth. The results indicate that the biomass can take upwards of 100 days to stabilize during batch (fill and draw) operation of subsurface wetlands and that ..
- Effects of substrate concentrations on the growth of heterotrophic bacteria and algae in secondary facultative pondsS Kayombo
Faculty of Engineering, University of Dar es Salaam, PO Box 35131, Dar es Salaam, Tanzania
Water Res 37:2937-43. 2003..8 day(-1) with K(s) of 200 mg COD/l. The micro(max) for algal biomass based on suspended volatile solids was 2.7 day(-1) with K(s) of 110 mg COD/l...
- A Plant-Derived Recombinant Bioscavenger to Prevent Insecticide NeurotoxicityYvonne Rosenberg; Fiscal Year: 2007..rBChE using the plant expression system which is versatile and inexpensive due to its ability to yield a large biomass in GMP conditions (Phase I) and (2) as a result of their unsialyted and atypical glycans, these recombinant plant ..
- INDOOR AIR POLLUTION AND CHILD ARI: A RANDOMIZED TRIALKirk Smith; Fiscal Year: 2004..Such conditions are common in less-developed countries (LDCs), where some two-thirds of households rely on biomass fuels (wood, dung, crop residues)...
- Indoor woodsmoke PM and asthma: a randomized trialAnthony Ward; Fiscal Year: 2009..The results from this project will be translatable to other regions in the US and the world where biomass burning is commonly used for heating and cooking. Relevance: This study will determine if reductions in PM2...
- Cookstove Replacement for Prevention of ARI and Low Birthweight in NepalJames Tielsch; Fiscal Year: 2009..for poor, rural areas in developing countries and the strong observational association between open burning of biomass fuel sources and ARI in young children and low birth weight, we have designed a community-based randomized trial ..
- Cookstove Replacement for Prevention of ARI and Low Birthweight in NepalJames M Tielsch; Fiscal Year: 2010..for poor, rural areas in developing countries and the strong observational association between open burning of biomass fuel sources and ARI in young children and low birth weight, we have designed a community-based randomized trial ..
- Microbial Mediation of Habitat Selection and ProductionEdward Walker; Fiscal Year: 2006..Secondly, we will quantify microbial processing of nutrients and accrual of microbial biomass in larval habitats, and link them to adult production...
- Research Training on Chronic Lung Diseases in Southern AfricaThomas Robins; Fiscal Year: 2009..g., ambient air pollution, burning of biomass fuels in domiciles, indoor and outdoor exposure to bioaerosols, environmental tobacco smoke)and occupational (e.g...
- Novel accelerated in vitro breeding for phytoremediationMIHALY CZAKO; Fiscal Year: 2007..built on the successful demonstration of the feasibility of our novel technology for in vitro breeding of a large biomass plant for field-scale phytoremediation...
- Indoor woodsmoke PM and asthma: a randomized trialANTHONY JOHN contact WARD; Fiscal Year: 2010..The results from this project will be translatable to other regions in the US and the world where biomass burning is commonly used for heating and cooking. Relevance: This study will determine if reductions in PM2...
- LARVAL MOSQUITO FEEDING AND MICROBIAL INTERACTIONSEdward Walker; Fiscal Year: 1993..tree holes, tires); (2) to examine experimentally the relationships between limiting nutrients, microbial biomass and diversity, and surface microlayer water fractions to mosquito growth and adult mosquito production for Aedes ..
- Model-driven Media Optimization in Hybridoma Cell LineIman Famili; Fiscal Year: 2006..to microbial systems, productivity and product titers in mammalian cell cultures are low mainly due to the low biomass concentration achievable in standard mammalian cell culture...
- COMMUNITY COMPOSITION AND PHYSIOLOGY OF ORAL BIOFILMSDavid White; Fiscal Year: 2001..define a species-composition measurement using phospholipid-bound fatty-acid (PLFA) profiles of whole-community biomass, and will validate that measurement by correlation with checkerboard hybridization and cultivable flora methods...
- LARVAL MOSQUITO FEEDING AND MICROBIAL INTERACTIONSEdward Walker; Fiscal Year: 2007..but it is constrained by conversion of refractile organic material into ingestible and digestible microbial biomass. The tree hole habitat of several mosquito species is our model system to study this phenomenon...
- Nano-scale Mechanisms of Metal(loid) Rhizostabilization in Desert Mine TailingsJONATHAN D CHOROVER; Fiscal Year: 2011..with the goal of root zone metal accumulation to avoid metals from entering the food chain through above-ground biomass. The role of plant roots and microbes in promoting mineral dissolution-precipitation reactions and associated ..
- Nano-scale Mechanisms of Metal(loid) Rhizostabilization in Desert Mine TailingsJONATHAN D CHOROVER; Fiscal Year: 2010..with the goal of root zone metal accumulation to avoid metals from entering the food chain through above-ground biomass. The role of plant roots and microbes in promoting mineral dissolution-precipitation reactions and associated ..
- Nano-scale Mechanisms of Metal(loid) Rhizostabilization in Desert Mine TailingsJONATHAN CHOROVER; Fiscal Year: 2009..with the goal of root zone metal accumulation to avoid metals from entering the food chain through above-ground biomass. The role of plant roots and microbes in promoting mineral dissolution-precipitation reactions and associated ..
- Discovery of genes that extend yeast lifespan: Aging in immobilized cell reactorsRAPHAEL ROSENZWEIG; Fiscal Year: 2007..These reactors continue to produce close-to-theoretical yields of ethanol but very little biomass, relative to substrate input...
- Expression of Human Therapeutic Proteins in ChloroplastsHenry Daniell; Fiscal Year: 2005..Tobacco is an ideal choice because of its large biomass, ease of scale-up (million seeds pen plant), genetic manipulation and an impending need to explore alternative ..
- Metabolic Engineering Studies of Extreme ThermoacidophilyRobert Kelly; Fiscal Year: 2009..the Crenarcheaota (not all of which are extreme thermoacidophiles) comprise a significant fraction of the global biomass, and are relevant beyond extreme niches...
- Effects of cooking smoke on healthVinod Mishra; Fiscal Year: 2004..heating causes substantial ill health in developing countries where a majority of households rely on unprocessed biomass fuels such as wood, crop residues, and dung cakes, but research on this subject is limited and many uncertainties ..
- REGULATION OF THE HEAT SHOCK RESPONSE IN E. COLICarol Gross; Fiscal Year: 2009..PUBLIC HEALTH RELEVANCE: Project relevance Microbes account for fully half of the world's biomass and are of immense importance to life on earth, for reasons as diverse as performing mineral recycling in our ..
- Discovery of Anticancer Drugs from CyanobacteriaFrederick Valeriote; Fiscal Year: 2007..collected and cultured tropical marine microalgae, mainly cyanobacteria, with a focus on those of low natural biomass or found in symbiosis with marine invertebrates, such as sponges and tunicates and to characterize "super-..