plankton

Summary

Summary: Community of tiny aquatic organisms, both PLANTS and ANIMALS, that are either free-floating or suspended in the water, with little or no power of locomotion. They are divided into PHYTOPLANKTON and ZOOPLANKTON.

Top Publications

  1. ncbi Relationships between bacterial diversity and environmental variables in a tropical marine environment, Rio de Janeiro
    Ricardo P Vieira
    Instituto de Biologia, Universidade Federal do Rio de Janeiro, RJ, Brazil
    Environ Microbiol 10:189-99. 2008
  2. ncbi From plankton to top predators: bottom-up control of a marine food web across four trophic levels
    Morten Frederiksen
    Centre for Ecology and Hydrology, Hill of Brathens, Banchory AB31 4BW, UK
    J Anim Ecol 75:1259-68. 2006
  3. ncbi Plankton motility patterns and encounter rates
    André W Visser
    Department of Marine Ecology and Aquaculture, Danish Institute for Fisheries Research, Kavalergaarden 6, 2920, Charlottenlund, Denmark
    Oecologia 148:538-46. 2006
  4. ncbi Fine-scale phylogenetic architecture of a complex bacterial community
    Silvia G Acinas
    Department of Civil and Environmental Engineering, Massachusetts Institute of Technology, Cambridge, Massachusetts 02139, USA
    Nature 430:551-4. 2004
  5. ncbi Microbial ecology of ocean biogeochemistry: a community perspective
    Suzanne L Strom
    Shannon Point Marine Center, Western Washington University, Anacortes, WA 98221, USA
    Science 320:1043-5. 2008
  6. ncbi Genomic and functional adaptation in surface ocean planktonic prokaryotes
    Shibu Yooseph
    J Craig Venter Institute, Rockville, Maryland 20850, USA
    Nature 468:60-6. 2010
  7. pmc The Sorcerer II Global Ocean Sampling expedition: northwest Atlantic through eastern tropical Pacific
    Douglas B Rusch
    J Craig Venter Institute, Rockville, Maryland, United States of America
    PLoS Biol 5:e77. 2007
  8. pmc Global gene expression in Staphylococcus aureus biofilms
    Karen E Beenken
    Department of Microbiology and Immunology, University of Arkansas for Medical Sciences, 4301 W Markham, Little Rock, AR 72205, USA
    J Bacteriol 186:4665-84. 2004
  9. pmc Comparative metagenomics of bathypelagic plankton and bottom sediment from the Sea of Marmara
    Achim Quaiser
    Unité d Ecologie, Systematique et Evolution, CNRS UMR8079, Universite Paris Sud 11, Orsay, France
    ISME J 5:285-304. 2011
  10. pmc Bacterioplankton community shifts in an arctic lake correlate with seasonal changes in organic matter source
    Byron C Crump
    The Ecosystems Center, Marine Biological Laboratory, Woods Hole, Massachusetts 02543, USA
    Appl Environ Microbiol 69:2253-68. 2003

Detail Information

Publications335 found, 100 shown here

  1. ncbi Relationships between bacterial diversity and environmental variables in a tropical marine environment, Rio de Janeiro
    Ricardo P Vieira
    Instituto de Biologia, Universidade Federal do Rio de Janeiro, RJ, Brazil
    Environ Microbiol 10:189-99. 2008
    ..Furthermore, correspondence analyses showed that some taxa are related to specific abiotic, trophic and microbiological parameters in Guanabara Bay estuarine system...
  2. ncbi From plankton to top predators: bottom-up control of a marine food web across four trophic levels
    Morten Frederiksen
    Centre for Ecology and Hydrology, Hill of Brathens, Banchory AB31 4BW, UK
    J Anim Ecol 75:1259-68. 2006
    ..unique long-term data sets (1973-2003) on seabird breeding productivity from the Isle of May, SE Scotland, and plankton and fish larvae from the Continuous Plankton Recorder survey...
  3. ncbi Plankton motility patterns and encounter rates
    André W Visser
    Department of Marine Ecology and Aquaculture, Danish Institute for Fisheries Research, Kavalergaarden 6, 2920, Charlottenlund, Denmark
    Oecologia 148:538-46. 2006
    ....
  4. ncbi Fine-scale phylogenetic architecture of a complex bacterial community
    Silvia G Acinas
    Department of Civil and Environmental Engineering, Massachusetts Institute of Technology, Cambridge, Massachusetts 02139, USA
    Nature 430:551-4. 2004
    ..We propose that such microdiverse clusters arise by selective sweeps and persist because competitive mechanisms are too weak to purge diversity from within them...
  5. ncbi Microbial ecology of ocean biogeochemistry: a community perspective
    Suzanne L Strom
    Shannon Point Marine Center, Western Washington University, Anacortes, WA 98221, USA
    Science 320:1043-5. 2008
    ..A holistic outlook that encompasses the full array of selective pressures on individuals will help elucidate the maintenance of microbial diversity and the regulation of biogeochemical reactions by planktonic communities...
  6. ncbi Genomic and functional adaptation in surface ocean planktonic prokaryotes
    Shibu Yooseph
    J Craig Venter Institute, Rockville, Maryland 20850, USA
    Nature 468:60-6. 2010
    ..Their genomic features also lead us to propose that one method used to avoid predation by viruses and/or bacterivores is by means of slow growth and the maintenance of low biomass...
  7. pmc The Sorcerer II Global Ocean Sampling expedition: northwest Atlantic through eastern tropical Pacific
    Douglas B Rusch
    J Craig Venter Institute, Rockville, Maryland, United States of America
    PLoS Biol 5:e77. 2007
    ..Specific functional adaptations can be identified both within individual ribotypes and across the entire community, including proteorhodopsin spectral tuning and the presence or absence of the phosphate-binding gene PstS...
  8. pmc Global gene expression in Staphylococcus aureus biofilms
    Karen E Beenken
    Department of Microbiology and Immunology, University of Arkansas for Medical Sciences, 4301 W Markham, Little Rock, AR 72205, USA
    J Bacteriol 186:4665-84. 2004
    ..A primary theme that emerged from the analysis of these genes is that persistence within a biofilm requires an adaptive response that limits the deleterious effects of the reduced pH associated with anaerobic growth conditions...
  9. pmc Comparative metagenomics of bathypelagic plankton and bottom sediment from the Sea of Marmara
    Achim Quaiser
    Unité d Ecologie, Systematique et Evolution, CNRS UMR8079, Universite Paris Sud 11, Orsay, France
    ISME J 5:285-304. 2011
    ..metagenomic analyses of the deep-sea, we produced metagenomic data by direct 454 pyrosequencing from bathypelagic plankton (1000  m depth) and bottom sediment of the Sea of Marmara, the gateway between the Eastern Mediterranean and ..
  10. pmc Bacterioplankton community shifts in an arctic lake correlate with seasonal changes in organic matter source
    Byron C Crump
    The Ecosystems Center, Marine Biological Laboratory, Woods Hole, Massachusetts 02543, USA
    Appl Environ Microbiol 69:2253-68. 2003
    ..Bacteria were identified as members of globally distributed freshwater phylogenetic clusters within the alpha- and beta-Proteobacteria, the Cytophaga-Flavobacteria-Bacteroides group, and the ACTINOBACTERIA:..
  11. ncbi Global patterns of diversity and community structure in marine bacterioplankton
    T Pommier
    Department of Natural Science, Kalmar University, SE 39182, Kalmar, Sweden
    Mol Ecol 16:867-80. 2007
    ..The general processes behind those patterns are likely to be comparable across taxa and major global biomes...
  12. ncbi Substrate incorporation patterns of bacterioplankton populations in stratified and mixed waters of a humic lake
    Ulrike Buck
    Max Planck Institute for Marine Microbiology, Bremen, Germany
    Environ Microbiol 11:1854-65. 2009
    ..Altogether our results suggest a constitutive preference for some substrates versus an adaptive utilization of others in the studied microbial groups...
  13. ncbi Proteorhodopsin in the ubiquitous marine bacterium SAR11
    Stephen J Giovannoni
    Department of Microbiology
    Nature 438:82-5. 2005
    ..The gene is expressed by cells grown in either diurnal light or in darkness, and there is no difference between the growth rates or cell yields of cultures grown in light or darkness...
  14. pmc Assembling the marine metagenome, one cell at a time
    Tanja Woyke
    DOE Joint Genome Institute, Walnut Creek, California, United States of America
    PLoS ONE 4:e5299. 2009
    ..with the cultivation of most microorganisms and the complexity of natural microbial assemblages, such as marine plankton or human microbiome, hinder genome reconstruction of representative taxa using cultivation or metagenomic ..
  15. ncbi Impact of climate change on marine pelagic phenology and trophic mismatch
    Martin Edwards
    Sir Alister Hardy Foundation for Ocean Science, The Laboratory, Citadel Hill, Plymouth PL1 2PB, UK
    Nature 430:881-4. 2004
    ..Using long-term data of 66 plankton taxa during the period from 1958 to 2002, we investigated whether climate warming signals are emergent across all ..
  16. pmc Decrease in the autotrophic-to-heterotrophic biomass ratio of picoplankton in oligotrophic marine waters due to bottle enclosure
    Alejandra Calvo-Díaz
    Instituto Español de Oceanografía, Centro Oceanográfico de Xixón Gijón, Xixón, Spain
    Appl Environ Microbiol 77:5739-46. 2011
    ..Our results suggest that short (<1 day) bottle incubations in oligotrophic waters may lead to biased estimates of the microbial metabolic balance by underestimating primary production and/or overestimating bacterial respiration...
  17. pmc Contribution of Archaea to total prokaryotic production in the deep Atlantic Ocean
    Gerhard J Herndl
    Department of Biological Oceanography, Royal Netherlands Institute for Sea Research, 1790 AB Den Burg, The Netherlands
    Appl Environ Microbiol 71:2303-9. 2005
    ..Thus, planktonic archaea are actively growing in the dark ocean although at lower growth rates than bacteria and might play a significant role in the oceanic carbon cycle...
  18. pmc Ubiquity of Polynucleobacter necessarius ssp. asymbioticus in lentic freshwater habitats of a heterogeneous 2000 km area
    Jitka Jezberová
    Institute for Limnology, Austrian Academy of Sciences, Mondseestrasse 9, A 5310 Mondsee, Austria
    Environ Microbiol 12:658-69. 2010
    ..asymbioticus (PnecC), a numerically and functionally important taxon in the plankton of freshwater systems...
  19. pmc Comparative 16S rRNA analysis of lake bacterioplankton reveals globally distributed phylogenetic clusters including an abundant group of actinobacteria
    F O Glöckner
    Max Planck Institut für Marine Mikrobiologie, Bremen, Germany
    Appl Environ Microbiol 66:5053-65. 2000
    ....
  20. ncbi Plankton effect on cod recruitment in the North Sea
    Gregory Beaugrand
    CNRS, UMR 8013 ELICO, Station Marine, Université des Sciences et Technologies de Lille BP 80, 62930 Wimereux, France
    Nature 426:661-4. 2003
    ..Here we show that, in addition to the effects of overfishing, fluctuations in plankton have resulted in long-term changes in cod recruitment in the North Sea (bottom-up control)...
  21. ncbi Temporal variability in the diversity and composition of stream bacterioplankton communities
    Maria C Portillo
    Departments of Ecology and Evolutionary Biology Geography, University of Colorado, Boulder, CO 80309, USA
    Environ Microbiol 14:2417-28. 2012
    ..Detailed temporal sampling is important if the objective is to monitor microbial community dynamics in pulsed ecosystems like streams...
  22. pmc Diversity patterns and activity of uncultured marine heterotrophic flagellates unveiled with pyrosequencing
    Ramiro Logares
    Institut de Ciències del Mar CSIC, Passeig Maritim de la Barceloneta, Barcelona, Spain
    ISME J 6:1823-33. 2012
    ..Thus, MAST diversity seems to be highly partitioned in spatial scales. Altogether, our results shed light on these ecologically very important but poorly known groups of uncultured marine flagellates...
  23. pmc The Pseudomonas aeruginosa transcriptome in planktonic cultures and static biofilms using RNA sequencing
    Andreas Dötsch
    Chronic Pseudomonas Infections, Helmholtz Center for Infection Research, Braunschweig, Germany
    PLoS ONE 7:e31092. 2012
    ..aeruginosa that employs RNA sequencing technology and provides insights into the quantitative and qualitative transcriptome including the expression of small RNAs in P. aeruginosa biofilms...
  24. pmc Environmental proteomics of microbial plankton in a highly productive coastal upwelling system
    Sarah M Sowell
    Molecular and Cellular Biology Program, Oregon State University, Corvallis, OR 97331, USA
    ISME J 5:856-65. 2011
    ....
  25. ncbi Coastal bacterioplankton community diversity along a latitudinal gradient in Latin America by means of V6 tag pyrosequencing
    Fabiano L Thompson
    Departments of Genetics, Institute of Biology, Federal University of Rio de Janeiro UFRJ, Rio de Janeiro, Brazil
    Arch Microbiol 193:105-14. 2011
    ..Conserved taxa corresponded to aprox. 52% of all sequences. This study suggests that human-contaminated environments may influence bacterioplankton diversity...
  26. ncbi Picoeukaryotic plankton diversity at the Helgoland time series site as assessed by three molecular methods
    L K Medlin
    Alfred Wegener Institute for Polar and Marine Research, Am Handelshafen 12, D 27570, Bremerhaven, Germany
    Microb Ecol 52:53-71. 2006
    ..intervals suggest that clone libraries should be made at weekly intervals if succession in the picoeukaryotic plankton community is to be monitored accurately...
  27. ncbi Seasonal patterns in the sunlight sensitivity of bacterioplankton from Mediterranean surface coastal waters
    Clara Ruiz-González
    Institut de Ciències del Mar CSIC, Barcelona, Spain
    FEMS Microbiol Ecol 79:661-74. 2012
    ....
  28. ncbi Ultraviolet-B radiation effects on the structure and function of lower trophic levels of the marine planktonic food web
    Gustavo A Ferreyra
    Institut des Sciences de la Mer de Rimouski, Universite du Quebec a Rimouski, 310 allee des Ursulines, Canada G5L 3A1
    Photochem Photobiol 82:887-97. 2006
    The impact of UV-B radiation (UVBR; 280-320 nm) on lower levels of a natural plankton assemblage (bacteria, phytoplankton and microzooplankton) from the St...
  29. pmc The relevance of marine chemical ecology to plankton and ecosystem function: an emerging field
    Adrianna Ianora
    Stazione Zoologica Anton Dohrn, Villa Comunale Napoli, Italy
    Mar Drugs 9:1625-48. 2011
    ..Understanding chemical ecological responses to environmental triggers and chemically-mediated species interactions will help define crucial chemical and molecular processes that help maintain biodiversity and ecosystem functionality...
  30. ncbi Association of Vibrio cholerae with plankton in coastal areas of Mexico
    M L Lizarraga-Partida
    Centro de Investigacion Cientifica y de Educacion Superior de Ensenada, Ensenada, Baja California, Mexico
    Environ Microbiol 11:201-8. 2009
    ..in which the relationship of sea surface temperature and the association of Vibrio cholerae with marine plankton could be assessed in Mexican coastal and estuarine areas...
  31. pmc Effect of natural sunlight on bacterial activity and differential sensitivity of natural bacterioplankton groups in northwestern Mediterranean coastal waters
    Laura Alonso-Sáez
    Departament de Biologia Marina i Oceanografia, Institut de Ciencies del Mar, 08003 Barcelona, Spain
    Appl Environ Microbiol 72:5806-13. 2006
    ....
  32. pmc Simultaneous extraction from bacterioplankton of total RNA and DNA suitable for quantitative structure and function analyses
    Markus G Weinbauer
    Department of Environmental Microbiology, AG Microbial Ecology, GBF German Research Center for Biotechnology, D 38100 Braunschweig, Germany
    Appl Environ Microbiol 68:1082-7. 2002
    ..The extraction method presented yields nucleic acids that can be used to perform structural and functional studies of bacterioplankton communities from a single sample...
  33. ncbi Nutrient and temperature limitation of bacterioplankton growth in temperate lakes
    K Vrede
    Limnology Department of Ecology and Evolution, Evolutionary Biology Centre, Uppsala University, Norbyvagen 20, Uppsala, SE 752 36, Sweden
    Microb Ecol 49:245-56. 2005
    ..Thus, temperature and inorganic nutrients or organic compounds can limit bacterioplankton growth both alone and simultaneously. However, at low temperatures, temperature is the most important factor influencing bacterioplankton growth...
  34. ncbi Metatranscriptomics reveals unique microbial small RNAs in the ocean's water column
    Yanmei Shi
    Department of Civil and Environmental Engineering, Massachusetts Institute of Technology, Cambridge, Massachusetts 02139, USA
    Nature 459:266-9. 2009
    ....
  35. pmc Switch from planktonic to sessile life: a major event in pneumococcal pathogenesis
    Marco R Oggioni
    Laboratorio di Microbiologia Molecolare e Biotecnologia, Dipartimento di Biologia Molecolare, Universita di Siena, Siena, Italy
    Mol Microbiol 61:1196-210. 2006
    ..During bacteraemic sepsis pneumococci resemble planktonic growth, while during tissue infection, such as pneumonia or meningitis, pneumococci are in a biofilm-like state...
  36. pmc Limits to gene flow in a cosmopolitan marine planktonic diatom
    Griet Casteleyn
    Laboratory of Protistology and Aquatic Ecology, Biology Department, Ghent University, B 9000 Ghent, Belgium
    Proc Natl Acad Sci U S A 107:12952-7. 2010
    ..A better understanding of the factors that control population structuring is thus essential to reveal the role of allopatric speciation in marine microorganisms...
  37. ncbi Linking the patterns of change in composition and function in bacterioplankton successions along environmental gradients
    Jérôme Comte
    Groupe de recherche interuniversitaire en limnologie, Departement des Sciences Biologiques, Universite du Quebec a Montreal, CP 8888, Succursale Centre Ville, Montreal, Quebec H3C3P8, Canada
    Ecology 91:1466-76. 2010
    ..This in turn suggests a high level of functional redundancy that occurs both within the existing community and in the meta-community from which phylotypes are selected to occupy the new niches that are created along the transitions...
  38. pmc Diversity and depth-specific distribution of SAR11 cluster rRNA genes from marine planktonic bacteria
    K G Field
    Department of Microbiology, Oregon State University, Corvallis 97331, USA
    Appl Environ Microbiol 63:63-70. 1997
    ....
  39. pmc Microbial biogeography along an estuarine salinity gradient: combined influences of bacterial growth and residence time
    Byron C Crump
    Horn Point Laboratory, University of Maryland Center for Environmental Science, Cambridge, Maryland 21613, USA
    Appl Environ Microbiol 70:1494-505. 2004
    ....
  40. pmc Transporter genes expressed by coastal bacterioplankton in response to dissolved organic carbon
    Rachel S Poretsky
    Department of Marine Sciences, University of Georgia, Athens, GA 30602 3636, USA
    Environ Microbiol 12:616-27. 2010
    ....
  41. pmc Groups without cultured representatives dominate eukaryotic picophytoplankton in the oligotrophic South East Pacific Ocean
    Xiao li Shi
    UPMC Paris 06 and CNRS, UMR 7144, Station Biologique de Roscoff, Roscoff, France
    PLoS ONE 4:e7657. 2009
    ....
  42. ncbi Marine viruses and their biogeochemical and ecological effects
    J A Fuhrman
    Department of Biological Sciences, Wrigley Institute for Environmental Studies, University of Southern California, Los Angeles 90089 0371, USA
    Nature 399:541-8. 1999
    ..Newly developed fluorescence and molecular techniques leave the field poised to make significant advances towards evaluating and quantifying such effects...
  43. ncbi Unexpected diversity of small eukaryotes in deep-sea Antarctic plankton
    P Lopez-Garcia
    Division de Microbiologia, Universidad Miguel Hernandez, San Juan de Alicante, Spain
    Nature 409:603-7. 2001
    ..These may be important components of the microbial community in the deep ocean. Their phylogenetic position suggests a radiation early in the evolution of alveolates...
  44. pmc Microheterogeneity in 16S ribosomal DNA-defined bacterial populations from a stratified planktonic environment is related to temporal changes and to ecological adaptations
    Emilio O Casamayor
    Max Planck Institute for Marine Microbiology, D 28359 Bremen, Germany
    Appl Environ Microbiol 68:1706-14. 2002
    ....
  45. ncbi Plankton diversity in the Bay of Fundy as measured by morphological and molecular methods
    M C Savin
    Department of Crop, Soil, and Environmental Sciences, University of Arkansas, 115 Plant Science Building, Fayetteville, AR 72701, USA
    Microb Ecol 48:51-65. 2004
    ..and picoplankton communities, may also enhance our knowledge of the diversity among communities of larger plankton. We compared plankton identifications and community assessments based on the two types of techniques (..
  46. ncbi Euxinic freshwater hypolimnia promote bacterial endemicity in continental areas
    Albert Barberan
    Department of Continental Ecology Limnology, Centre d Estudis Avançats de Blanes, CSIC, Accés Cala St Francesc 14, 17300 Blanes, Spain
    Microb Ecol 61:465-72. 2011
    ..We argue for a microbial diversity conservation perspective still lacking in the global and local biodiversity preservation policies...
  47. ncbi Ocean nutrient ratios governed by plankton biogeography
    Thomas S Weber
    Department of Atmospheric and Oceanic Sciences, University of California Los Angeles, Los Angeles, California 90095, USA
    Nature 467:550-4. 2010
    ..strongest correlations in the sea, with a slope similar to the average nitrogen (N) to phosphorus (P) content of plankton biomass (N/P = 16:1)...
  48. ncbi Gene expression in Pseudomonas aeruginosa biofilms
    M Whiteley
    Department of Microbiology, University of Iowa College of Medicine, Iowa City, Iowa 52242, USA
    Nature 413:860-4. 2001
    ..Our identification of biofilm-regulated genes points to mechanisms of biofilm resistance to antibiotics...
  49. ncbi Spatiotemporal heterogeneity of plankton communities in Lake Donghu, China, as revealed by PCR-denaturing gradient gel electrophoresis and its relation to biotic and abiotic factors
    Yuhe Yu
    Institute of Hydrobiology, Chinese Academy of Sciences, Wuhan, China
    FEMS Microbiol Ecol 63:328-37. 2008
    ..gradient gel electrophoresis (DGGE) fingerprinting, and the relationships between the genetic diversity of the plankton community and biotic/abiotic factors are discussed...
  50. ncbi Predation impact of ciliated and flagellated protozoa during a summer bloom of brown sulfur bacteria in a meromictic coastal lake
    Alessandro Saccà
    Department of Animal Biology and Marine Ecology, University of Messina, Messina, Italy
    FEMS Microbiol Ecol 70:42-53. 2009
    ..We concluded that protozoan grazing channels a large proportion of anaerobic picoplankton production to higher trophic levels without restraining photosynthetic bacteria productivity...
  51. ncbi Persistent organic pollutants in Mediterranean seawater and processes affecting their accumulation in plankton
    Naiara Berrojalbiz
    Department of Environmental Chemistry, Institute of Environmental Assessment and Water Research IDAEA CSIC, Barcelona, Catalunya, Spain
    Environ Sci Technol 45:4315-22. 2011
    ..cruises in June 2006 and May 2007 from Barcelona to Istanbul and Alexandria, respectively, where water and plankton samples were collected simultaneously...
  52. ncbi Differences in metabolism between the biofilm and planktonic response to metal stress
    Sean C Booth
    Department of Biological Sciences, University of Calgary, Calgary, AB, Canada T2N 1N4
    J Proteome Res 10:3190-9. 2011
    ..An altered metabolic response to metal toxicity represents a novel addition to a growing list of biofilm-specific mechanisms to resist environmental stress...
  53. pmc Massive consumption of gelatinous plankton by Mediterranean apex predators
    Luis Cardona
    IRBIO and Department of Animal Biology, Faculty of Biology, University of Barcelona, Barcelona, Spain
    PLoS ONE 7:e31329. 2012
    ..The results strongly supported a major role of gelatinous plankton in the diet of bluefin tuna (Thunnus thynnus), little tunny (Euthynnus alletteratus), spearfish (Tetrapturus ..
  54. pmc A metaproteomic assessment of winter and summer bacterioplankton from Antarctic Peninsula coastal surface waters
    Timothy J Williams
    Division of Earth and Ecosystem Sciences, Desert Research Institute, Reno, NV 89512, USA
    ISME J 6:1883-900. 2012
    ....
  55. pmc Freshwater bacterioplankton richness in oligotrophic lakes depends on nutrient availability rather than on species-area relationships
    Jürg Brendan Logue
    Department of Ecology and Genetics Limnology, Uppsala University, Uppsala, Sweden
    ISME J 6:1127-36. 2012
    ....
  56. pmc Diversity and abundance of Bolidophyceae (Heterokonta) in two oceanic regions
    L Guillou
    Station Biologique de Roscoff, UPR CNRS 9042, INSU, and Universite Pierre et Marie Curie, F 29682 Roscoff Cedex, France
    Appl Environ Microbiol 65:4528-36. 1999
    ....
  57. ncbi Comparison of protein patterns of Listeria monocytogenes grown in biofilm or in planktonic mode by proteomic analysis
    F Trémoulet
    Station de Recherches sur la Viande, Laboratoire de Microbiologie, Institut National de la Recherche Agronomique, Theix, 63122, Saint Genes Champanelle, France
    FEMS Microbiol Lett 210:25-31. 2002
    ..The variations of the protein patterns indicated that the biofilm development is probably controlled by specific regulation of protein expression involved at various levels of cellular physiology...
  58. pmc A metagenomic assessment of winter and summer bacterioplankton from Antarctica Peninsula coastal surface waters
    Joseph J Grzymski
    Division of Earth and Ecosystem Sciences, Desert Research Institute, Reno, NV 89512, USA
    ISME J 6:1901-15. 2012
    ..If chemolithoautotrophy is widespread in the Southern Ocean in winter, this process may be a previously unaccounted carbon sink and may help account for the unexplained anomalies in surface inorganic nitrogen content...
  59. ncbi Flow cytometry assessment of bacterioplankton in tropical marine environments
    L Andrade
    Department of Marine Biology, Institute of Biology, University of Brazil, Prédio do CCS, Bloco A, sala A1 071 Cidade Universitária, Ilha do Fundao, Rio de Janeiro, RJ 21944 970, Brazil
    J Microbiol Methods 55:841-50. 2003
    ..These results illustrate the utility of cytometric analyses of bacterioplankton populations in characterizing their large spatial and temporal scales of distribution in aquatic ecosystems...
  60. pmc Surviving mass extinction by bridging the benthic/planktic divide
    Kate F Darling
    School of GeoSciences and Institute of Evolutionary Biology, University of Edinburgh, Edinburgh EH9 3JW, United Kingdom
    Proc Natl Acad Sci U S A 106:12629-33. 2009
    ..We argue that the existence of such forms must be considered in resolving foraminiferal phylogeny...
  61. ncbi Ecosystem consequences of species richness and composition in pond food webs
    Amy L Downing
    Department of Ecology, and Evolution, University of Chicago, Illinois 60637, USA
    Nature 416:837-41. 2002
    ....
  62. ncbi Hindsight in the relative abundance, metabolic potential and genome dynamics of uncultivated marine archaea from comparative metagenomic analyses of bathypelagic plankton of different oceanic regions
    Ana Belén Martín-Cuadrado
    Division of Microbiology, Universidad Miguel Hernandez, Alicante, Spain
    ISME J 2:865-86. 2008
    ..16S rRNA genes that were selected from four metagenomic libraries constructed from meso- and bathypelagic plankton of different oceanic regions (South Atlantic, Antarctic Polar Front, Adriatic and Ionian Sea; depths from 500 to ..
  63. ncbi Spirolide composition of micro-extracted pooled cells isolated from natural plankton assemblages and from cultures of the dinoflagellate Alexandrium ostenfeldii
    A D Cembella
    Institute for Marine Biosciences, National Research Council of Canada, Halifax, Nova Scotia
    Nat Toxins 7:197-206. 1999
    ..active macrocyclic imines known as spirolides from pooled individual cells isolated from spirolide-rich plankton material...
  64. ncbi Microbial oceanography in a sea of opportunity
    Chris Bowler
    CNRS UMR8186, Department of Biology, Ecole Normale Superieure, 46 rue d Ulm, Paris, France
    Nature 459:180-4. 2009
    b>Plankton use solar energy to drive the nutrient cycles that make the planet habitable for larger organisms...
  65. ncbi Chaos in a long-term experiment with a plankton community
    Elisa Benincà
    Aquatic Microbiology, Institute for Biodiversity and Ecosystem Dynamics, University of Amsterdam, Nieuwe Achtergracht 127, 1018 WS Amsterdam, The Netherlands
    Nature 451:822-5. 2008
    ..This implies that stability is not required for the persistence of complex food webs, and that the long-term prediction of species abundances can be fundamentally impossible...
  66. ncbi Proteome approaches combined with Fourier transform infrared spectroscopy revealed a distinctive biofilm physiology in Bordetella pertussis
    Diego Omar Serra
    Centro de Investigación y Desarrollo en Fermentaciones Industriales CINDEFI, CONICET, Facultad de Ciencias Exactas, Universidad Nacional de La Plata, La Plata, Argentina
    Proteomics 8:4995-5010. 2008
    ..pertussis pathogenesis. In summary, our work showed that the combination of proteomics and FT-IR spectroscopy with multivariate statistical analysis provides a powerful tool to gain further insight into bacterial lifestyles...
  67. ncbi Use of behavioural stochastic resonance by paddle fish for feeding
    D F Russell
    Center for Neurodynamics, University of Missouri at St Louis, 63121, USA
    Nature 402:291-4. 1999
    ..We demonstrate significant broadening of the spatial range for the detection of plankton when a noisy electric field of optimal amplitude is applied in the water...
  68. pmc Ecotypes of planktonic actinobacteria with identical 16S rRNA genes adapted to thermal niches in temperate, subtropical, and tropical freshwater habitats
    Martin W Hahn
    Institute for Limnology, Austrian Academy of Sciences, Mondseestrasse 9, A 5310 Mondsee, Austria
    Appl Environ Microbiol 71:766-73. 2005
    ..Consequently, these closely related strains represent different ecotypes adapted to different thermal niches...
  69. ncbi Pirellula and OM43 are among the dominant lineages identified in an Oregon coast diatom bloom
    R M Morris
    Department of Microbiology, Cornell University, Ithaca, NY 14853, USA
    Environ Microbiol 8:1361-70. 2006
    ..5 x 10(8) and 1.2 x 10(8) cells l(-1), respectively, and were among the dominant lineages in bloom samples...
  70. ncbi Bacterial carbon processing by generalist species in the coastal ocean
    Xiaozhen Mou
    Department of Marine Sciences, University of Georgia, Athens, Georgia 30602, USA
    Nature 451:708-11. 2008
    ....
  71. ncbi Prokaryotic extracellular enzymatic activity in relation to biomass production and respiration in the meso- and bathypelagic waters of the (sub)tropical Atlantic
    Federico Baltar
    Facultad de Ciencias del Mar, Universidad de Las Palmas de Gran Canaria, Campus Universitario de Tafira, 35017 Las Palmas de Gran Canaria, Spain
    Environ Microbiol 11:1998-2014. 2009
    ..Thus, it is apparent that the utilization of deep ocean organic matter is linked to higher cell-specific extracellular enzymatic activity and respiration and lower cell-specific PHP than in surface waters...
  72. ncbi Geographical distribution of cryptic genetic types in the planktonic foraminifer Globigerinoides ruber
    Ralf Aurahs
    Department of Micropalaeontology, Institute of Geosciences, Sigwartstrasse 10, Tubingen, Germany
    Mol Ecol 18:1692-706. 2009
    ..This pattern is consistent with the concept of niche partitioning, implying decreasing level of competition between genetic types with increasing degree of genetic divergence...
  73. ncbi Eddy/wind interactions stimulate extraordinary mid-ocean plankton blooms
    Dennis J McGillicuddy
    Woods Hole Oceanographic Institution, Woods Hole, MA 02543 1541, USA
    Science 316:1021-6. 2007
    ..New observations in the northwest Atlantic reveal that, although plankton blooms occur in both cyclones and mode-water eddies, the biological responses differ...
  74. ncbi Comparative proteomic analysis of planktonic and immobilized Pseudomonas aeruginosa cells: a multivariate statistical approach
    Sebastien Vilain
    Bacteria Immobilization, Biofilms and Resistance Group, UMR 6522 CNRS, University of Rouen, Mont Saint Aignan, France
    Anal Biochem 329:120-30. 2004
    ..These results reinforce the topical assertion that bacteria in the immobilized state display a specific physiological behavior but also question the existence of a unique IC phenotype...
  75. ncbi Resource partitioning and sympatric differentiation among closely related bacterioplankton
    Dana E Hunt
    Department of Civil and Environmental Engineering, Massachusetts Institute of Technology MIT, Cambridge, MA 02139, USA
    Science 320:1081-5. 2008
    ..Thus, environmental specialization may be an important correlate or even trigger of speciation among sympatric microbes...
  76. ncbi Bacterioplankton growth and nutrient use efficiencies under variable organic carbon and inorganic phosphorus ratios
    Mats Jansson
    Department of Ecology and Environmental Science, University of Umea, SE 901 87 Umea, Sweden
    Microb Ecol 52:358-64. 2006
    ..The results indicated that BP can be limited by Pi when BNUE is at its maximum, by organic C when BGE is at its maximum, and by dual organic C and Pi limitation when BNUE and BGE have suboptimal values...
  77. ncbi The molecular ecology of microbial eukaryotes unveils a hidden world
    David Moreira
    Universite Pierre et Marie Curie, UMR 7622, 9, quai St Bernard, 75005 Paris, France
    Trends Microbiol 10:31-8. 2002
    ..For both ecology and evolutionary studies, it is predicted that environmental molecular identification of eukaryotes will have a profound impact in the immediate future...
  78. ncbi Bacterioplankton assemblages transforming dissolved organic compounds in coastal seawater
    Xiaozhen Mou
    Department of Marine Sciences, University of Georgia, Athens, GA 30602, USA
    Environ Microbiol 9:2025-37. 2007
    ....
  79. pmc Application of denaturing gradient gel electrophoresis (DGGE) to study the diversity of marine picoeukaryotic assemblages and comparison of DGGE with other molecular techniques
    B Diez
    Departament de Biologia Marina, Institut de Ciencies del Mar, CSIC, E 08039 Barcelona, Catalunya, Spain
    Appl Environ Microbiol 67:2942-51. 2001
    ..In conclusion, the DGGE method described here provided a reasonably detailed view of marine picoeukaryotic assemblages and allowed tentative phylogenetic identification of the dominant members...
  80. ncbi Dynamics of the SAR11 bacterioplankton lineage in relation to environmental conditions in the oligotrophic North Pacific subtropical gyre
    Alexander Eiler
    Hawaii Institute of Marine Biology, SOEST, University of Hawaii, Kaneohe, HI 96744, USA
    Environ Microbiol 11:2291-300. 2009
    ....
  81. ncbi Oceanic 18S rDNA sequences from picoplankton reveal unsuspected eukaryotic diversity
    S Y Moon-van der Staay
    Station Biologique, , Roscoff, France
    Nature 409:607-10. 2001
    ..We also found a novel lineage, closely related to dinoflagellates and not previously described...
  82. ncbi Effect of nutrient loading on bacterioplankton community composition in lake mesocosms
    Kaisa Haukka
    Department of Applied Chemistry and Microbiology, University of Helsinki, P O Box 56, Viikki Biocenter, 00014, Helsinki, Finland
    Microb Ecol 51:137-46. 2006
    ..The occurrence of Verrucomicrobia correlated with more eutrophic conditions, whereas the occurrence of Actinobacteria correlated with less eutrophic conditions...
  83. pmc Influence of salinity on bacterioplankton communities from the Brazilian rain forest to the coastal Atlantic Ocean
    Cynthia B Silveira
    Instituto de Bioquimica Medica, Universidade Federal do Rio de Janeiro, Rio de Janeiro, Brazil
    PLoS ONE 6:e17789. 2011
    ....
  84. pmc Low intraspecific diversity in a polynucleobacter subcluster population numerically dominating bacterioplankton of a freshwater pond
    Martin W Hahn
    Institute for Limnology, Austrian Academy of Sciences, Mondseestrasse 9, A 5310 Mondsee, Austria
    Appl Environ Microbiol 71:4539-47. 2005
    ..This low intraspecific diversity is in strong contrast to the high intraspecific diversities found in marine bacterial populations...
  85. ncbi Virioplankton community structure along a salinity gradient in a solar saltern
    Ruth Anne Sandaa
    Department of Microbiology, University of Bergen, Jahnebakken 5, 5020 Bergen, Norway
    Extremophiles 7:347-51. 2003
    ..The diversity index was highest in the environments that lie in between the most extreme and the most common...
  86. ncbi Eukaryotic picoplankton communities of the Mediterranean Sea in summer assessed by molecular approaches (DGGE, TTGE, QPCR)
    Dominique Marie
    Station Biologique, UMR7144 CNRS et Université Pierre et Marie Curie, Roscoff, France
    FEMS Microbiol Ecol 55:403-15. 2006
    ..Of the three genera assessed, Bathycoccus appeared as the most abundant, forming localized maxima at depth...
  87. pmc Bacterioplankton community composition along a salinity gradient of sixteen high-mountain lakes located on the Tibetan Plateau, China
    Qinglong L Wu
    Nanjing Institute of Geography and Limnology, Chinese Academy of Sciences, East Beijing Road 73, Nanjing 210008, People s Republic of China
    Appl Environ Microbiol 72:5478-85. 2006
    ..7% (hypersaline). This observation indicated ecologically significant differences in ecophysiological adaptations among members of this narrow phylogenetic group and suggested ecological significance of microdiversity...
  88. ncbi A comparative study of the cytometric characteristics of high and low nucleic-acid bacterioplankton cells from different aquatic ecosystems
    Thierry Bouvier
    Laboratoire Ecosystèmes Lagunaires, UMR5119 CNRS UM2, Universite Montpellier 2, Case 093, 34095 Montpellier Cedex 05, France
    Environ Microbiol 9:2050-66. 2007
    ....
  89. ncbi Pronounced summer to winter differences and higher wintertime richness in coastal Antarctic marine bacterioplankton
    J F Ghiglione
    CNRS, UMR7621, Laboratoire d Océanographie Microbienne LOMIC, F 66651 Banyuls sur Mer, France
    Environ Microbiol 14:617-29. 2012
    ....
  90. pmc Diversity of oligotrichia and choreotrichia ciliates in coastal marine sediments and in overlying plankton
    Mary Doherty
    Program in Organismic and Evolutionary Biology, University of Massachusetts, Amherst, Massachusetts, USA
    Appl Environ Microbiol 76:3924-35. 2010
    Elucidating the relationship between ciliate communities in the benthos and the plankton is critical to understanding ciliate diversity in marine systems...
  91. ncbi The effect of the "Prestige" oil spill on the plankton of the N-NW Spanish coast
    Manuel Varela
    Instituto Español de Oceanografía, Muelle de Animas s n, La Coruna, Spain
    Mar Pollut Bull 53:272-86. 2006
    ..A large data series on plankton variables for the N-NW Spanish coast existed, and therefore a realistic evaluation of the effects by comparison ..
  92. pmc Evolution as a critical component of plankton dynamics
    Gregor F Fussmann
    Institut für Biochemie und Biologie, Universitat Potsdam, Maulbeerallee 2, D 14469 Potsdam, Germany
    Proc Biol Sci 270:1015-22. 2003
    ..We observed very specific but reproducible plankton dynamics which are explained well by a mathematical model that explicitly includes evolution...
  93. pmc Specific detection, isolation, and characterization of selected, previously uncultured members of the freshwater bacterioplankton community
    Frederic Gich
    Bereich Mikrobiologie, Ludwig Maximilians Universitat Munchen, Maria Ward Str 1a, D 80638 München, Germany
    Appl Environ Microbiol 71:5908-19. 2005
    ..Dot blot hybridization revealed that the strains occur in lakes of different trophic status and constitute up to 2% of the microbial community...
  94. pmc Low taxon richness of bacterioplankton in high-altitude lakes of the eastern tibetan plateau, with a predominance of Bacteroidetes and Synechococcus spp
    Peng Xing
    State Key Laboratory of Lake Science and Environment, Nanjing Institute of Geography and Limnology, Chinese Academy of Sciences, East Beijing Road 73, Nanjing 210008, People s Republic of China
    Appl Environ Microbiol 75:7017-25. 2009
    b>Plankton samples were collected from six remote freshwater and saline lakes located at altitudes of 3,204 to 4,718 m and 1,000 km apart within an area of ca...
  95. ncbi Effective isolation of bacterioplankton genus Polynucleobacter from freshwater environments grown on photochemically degraded dissolved organic matter
    Keiji Watanabe
    Ibaraki Kasumigaura Environmental Science Center, Tsuchiura, Ibaraki, Japan
    FEMS Microbiol Ecol 67:57-68. 2009
    ..Finally, we observed the stimulation of strain KF001 activity by photochemical degradation of natural lake water. Our findings suggest a carbon flow of DOM photoproducts to Polynucleobacter in the freshwater microbial loop...
  96. ncbi The inverted trophic cascade in tropical plankton communities: impacts of exotic fish in the Middle Rio Doce lake district, Minas Gerais, Brazil
    R M Pinto-Coelho
    Laboratório de Gestão Ambiental de Reservatórios, Departamento de Biologia Geral, Instituto de Ciencias Biologicas, Universidade Federal de Minas Gerais UFMG, Belo Horizonte, MG, Brazil
    Braz J Biol 68:1025-37. 2008
    ..All these changes are apparently associated with decreases in water quality. The present situation in these lakes demands new approaches to the management and conservation of these ecosystems...
  97. pmc Filter feeders and plankton increase particle encounter rates through flow regime control
    Stuart Humphries
    Department of Animal and Plant Sciences, University of Sheffield, Western Bank, Sheffield S10 2TN, United Kingdom
    Proc Natl Acad Sci U S A 106:7882-7. 2009
    ..of this flow regime and show that both the predicted peak concentration and the steady-state concentrations of plankton during blooms are approximately 33% of that predicted by the current models of particle encounter...
  98. ncbi Oxidation of thallium by freshwater plankton communities
    Benjamin S Twining
    Marine Sciences Research Center, Stony Brook University, Stony Brook, New York 11794 5000, USA
    Environ Sci Technol 37:2720-6. 2003
    ..We conducted lab and field incubations with 204Tl(I) and natural plankton assemblages to study the occurrence and mechanism of Tl oxidation...
  99. ncbi Latitudinal distribution of prokaryotic picoplankton populations in the Atlantic Ocean
    Martha Schattenhofer
    Max Planck Institute for Marine Microbiology, D 28359 Bremen, Germany
    Environ Microbiol 11:2078-93. 2009
    ..Other phylogenetic groups such as the Planctomycetes, marine group II Euryarchaeota and the uncultured clades SAR406, SAR324 and SAR86 rarely exceeded more than 5% of relative abundance...
  100. ncbi The relationships between mercury and selenium in plankton and fish from a tropical food web
    Helena do A Kehrig
    Instituto de Biofisica Carlos Chagas Filho, Universidade Federal do Rio de Janeiro, 21941 902, Rio de Janeiro, Brazil
    Environ Sci Pollut Res Int 16:10-24. 2009
    ..The study of methylmercury (MeHg) and Se bioaccumulation by plankton is therefore of great significance in order to obtain a better understanding of the estuarine processes ..
  101. pmc Relationship between bacterioplankton richness, respiration, and production in the Southern North Sea
    Thomas Reinthaler
    Department of Biological Oceanography, Royal Netherlands Institute for Sea Research NIOZ, P O Box 59, 1790 AB Den Burg, Texel, The Netherlands
    Appl Environ Microbiol 71:2260-6. 2005
    ..Our results indicate that despite the observed shifts in the community composition, the main function of the bacterioplankton, the remineralization of dissolved organic carbon to CO(2), is rather stable...

Research Grants29

  1. Epidemiology and Ecology of Vibrio cholerae in Bangladesh
    Richard Bradley Sack; Fiscal Year: 2013
    ..outbreaks, including water temperature, pH, and conductivity of surface water, along with concentrations of plankton and cholera toxin- producing bacteria in surface waters...
  2. Zebrafish as a natural host model for Vibrio cholerae
    Jeffrey H Withey; Fiscal Year: 2012
    ..cholerae naturally inhabit several aquatic niches, including associations with shellfish, insect egg masses, and plankton. Recently V. cholerae were also found to colonize the intestinal tracts of vertebrate fish...
  3. Center for Subtropical & Tropical Oceans & Human Health Research in Marine Scienc
    LORA ELDERKIN FLEMING; Fiscal Year: 2010
    ..to subtropical/tropical HAB organism and toxin distribution with biological oceanographers, biochemists, and plankton biologists...
  4. Biofilm Population Structure in the Gangetic Delta
    Gary Schoolnik; Fiscal Year: 2006
    ..cholerae is believed to be associated with phyto- and zoo- plankton and to reside in mixed-species biofilms on a variety of surfaces...
  5. Bacterial biofilm-host interaction during Vibrio cholerae infection
    Jun Zhu; Fiscal Year: 2009
    ..Between epidemics, V. cholerae live in natural aquatic habitats in association with various plankton and zooplankton, often in the form of biofilms. Existence of V...
  6. Beyond GFP and aequorin: Ocean-wide study of fluorescent and luminous proteins
    Mikhail Matz; Fiscal Year: 2009
    ..Our sampling methods include plankton towing, blue water SCUBA diving, midwater trawling and submersible/ROV operations...
  7. Ecological Fitness of Vibrios and the Emergence of Pathogenic Traits
    Hans Wildschutte; Fiscal Year: 2009
    ..g., invertebrate guts, plankton, animal surfaces) and that this predisposes specific groups of strains to evolve towards pathogenicity...
  8. VIBRIO CHOLERAE PLANKTON COLONIZATION
    Farooq Azam; Fiscal Year: 2004
    ..the seventh pandemic of cholera to Latin America in 1991 has been suggested to have been correlated with marine plankton blooms triggered by a climate change event such as that initiated by El Nino...
  9. Safe environmental concentrations under uncertainty
    Scott Ferson; Fiscal Year: 2001
    ..g., the toxicant causes two diseases), multiple trophic levels (e.g., plankton to shellfish to humans), and eventually to multiple exposure pathways (e.g...
  10. Safe environment concentrations under uncertainty
    Scott Ferson; Fiscal Year: 2004
    ..g., the toxicant causes two diseases), multiple tropic levels (e.g., plankton to shellfish to humans), multiple exposure pathways (e.g...
  11. SIMPLE WATER FILTRATION FOR CHOLERA INTERVENTION
    Anwar Huq; Fiscal Year: 2000
    ..cholerae associated plankton and particles present in surface water...
  12. Conference--The Global Genome: Microbes
    EDWARD DELONG; Fiscal Year: 2002
    ..The colloquium will be convened to develop the intellectual material that will comprise an analytical and comprehensive report. ..
  13. Use of an Amphibian as an Alternative Model to Evaluate Effects of Contaminants o
    Michelle Boone; Fiscal Year: 2008
    ..unreadable] [unreadable] [unreadable]..
  14. P. Aeruginosa Biofilms and Burn Wound Infections
    Karin Sauer; Fiscal Year: 2006
    ..aeruginosa pathogenesis and by identifying virulence factors that may be targeted for therapeutic intervention. ..
  15. P. aeruginosa biofilm specific proteins and regulators
    Karin Sauer; Fiscal Year: 2007
    ..Findings from this research are intended to lead to novel and more effective approaches for the treatment of such biofilm infections. [unreadable] [unreadable] [unreadable] [unreadable]..
  16. Phage mimicry of mycobacterial signaling
    Graham F Hatfull; Fiscal Year: 2010
    ..We propose to elucidate the specific role of GroEL1 in biofilm formation and mycolic acid synthesis, and to determine its role in the pathogenesis of Mycobacterium tuberculosis. ..
  17. Regulated expression of B. burgdorferi virulence genes
    FELIPE CARDENAS CABELLO; Fiscal Year: 2010
    ..burgdorferi. These tools will be used to identify genes that are potentially responsible for this organism's virulence and which could be targets for new vaccines and antibiotics against Lyme disease. ..
  18. NEUTROPHIL FLAVOCYTOCHROME B STRUCTURE AND FUNCTION
    ALGIRDAS JOSEPH JESAITIS; Fiscal Year: 2010
    ..abstract_text> ..
  19. Stringent response and bmp expression in B. burgdorferi
    Felipe Cabello; Fiscal Year: 2007
    ..burgdorferi from a descriptive paradigm to a paradigm framed by mechanistic and causal interpretations. ..
  20. MECHANISM OF PHAGE L5 INTEGRATION AND EXCISION
    Graham Hatfull; Fiscal Year: 2002
    ..In addition to Providing new insights into the mechanism of recombination these studies will offer new tools for mycobacterial genetics and a greater understanding of mycobacterial physiology. ..
  21. REGULATION OF CHEMOATTRACTANT ACTIVATION OF NEUTROPHILS
    ALGIRDAS JESAITIS; Fiscal Year: 2003
    ....
  22. One dimensional transport equations for CE systems by asymptotic homogenization
    Sandip Ghosal; Fiscal Year: 2009
    ..The emergence of such devices would have an enormous impact on human health as they would enable biochemical analyses (such as DNA sequencing) that currently take months or years to be completed in minutes. ..
  23. INTEGRATION AND EXCISION OF PROPHAGES IN TUBERCULOSIS
    Graham Hatfull; Fiscal Year: 2003
    ..tuberculoses to determine whether they have functional recombination systems; whether they act as Genetic Transfer Agents; and whether they play a role in virulence of M. tuberculosis. ..
  24. VOLTAGE-GATED PROTON CHANNELS IN ALVEOLAR EPITHELIUM
    THOMAS DECOURSEY; Fiscal Year: 2003
    ..Demonstration that H+ current fluctuations result from stochastic gating of H+ channels will provide strong evidence that the molecule is an ion channel rather than a carrier. ..
  25. VOLTAGE-GATED PROTON CHANNELS IN HUMAN NEUTROPHILS
    THOMAS DECOURSEY; Fiscal Year: 2008
    ..5) We will identify the proton channel molecule and gene. ..
  26. Mycobacteriophage-mediated Recombineering in Mycobacterium tuberculosis
    Graham Hatfull; Fiscal Year: 2007
    ..These putative recombination proteins will be functionally and biochemically characterized and used to develop recombineering systems in both fast- and slow-growing mycobacteria. ..
  27. MOLECULAR BIOLOGY OF MYCOBACTERIA AND THEIR PHAGES
    Graham Hatfull; Fiscal Year: 2004
    ..We will also use proteomic approaches to understand the influence of phage gene expression on that of its host. ..
  28. Regulationof Chemoattractant Activation of Neutrophils
    ALGIRDAS JESAITIS; Fiscal Year: 2007
    ..Understanding, how this complex regulation occurs should provide insight about how host defense might be enhanced or how inflammatory damage might be mitigated. ..
  29. Antibiotic Susceptibility of Bacteria in Biofilms
    Philip Stewart; Fiscal Year: 2005
    ..This project will afford a rich interdisciplinary training experience for the three participating graduate students. ..