Search Results - "Sherr, Barry"

Investigating microbial eukaryotic diversity from a global census: insights from a comparison of pyrotag and full-length sequences of 18S rRNA genes by Lie, Alle A Y, Liu, Zhenfeng, Hu, Sarah K, Jones, Adriane C, Kim, Diane Y, Countway, Peter D, Amaral-Zettler, Linda A, Cary, S Craig, Sherr, Evelyn B, Sherr, Barry F, Gast, Rebecca J, Caron, David A

“…Next-generation DNA sequencing (NGS) approaches are rapidly surpassing Sanger sequencing for characterizing the diversity of natural microbial communities…”
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Mesozooplankton grazing during spring sea-ice conditions in the eastern Bering Sea by Campbell, Robert G., Ashjian, Carin J., Sherr, Evelyn B., Sherr, Barry F., Lomas, Michael W, Ross, Celia, Alatalo, Philip, Gelfman, Celia, Keuren, Donna Van

“…Mesozooplankton (copepods and euphausiids) grazing rates and prey preferences were determined during a series of three research cruises to the eastern Bering…”
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Significance of predation by protists in aquatic microbial food webs by Sherr, Evelyn B, Sherr, Barry F

“…Predation in aquatic microbial food webs is dominated by phagotrophic protists, yet these microorganisms are still understudied compared to bacteria and…”
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Microzooplankton grazing impact in the Bering Sea during spring sea ice conditions by Sherr, Evelyn B., Sherr, Barry F., Ross, Celia

“…Microzooplankton grazing impact on phytoplankton in the Bering Sea during spring was assessed in 2008, 2009 and 2010 using two-point dilution assays…”
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Estimating Protistan Diversity Using High‐Throughput Sequencing by Hu, Sarah K, Liu, Zhenfeng, Lie, Alle A. Y, Countway, Peter D, Kim, Diane Y, Jones, Adriane C, Gast, Rebecca J, Cary, S. Craig, Sherr, Evelyn B, Sherr, Barry F, Caron, David A

“…Sequencing hypervariable regions from the 18S rRNA gene is commonly employed to characterize protistan biodiversity, yet there are concerns that short reads do…”
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Climate Variability, Oceanography, Bowhead Whale Distribution, and Iñupiat Subsistence Whaling near Barrow, Alaska by ASHJIAN, CARIN J., BRAUND, STEPHEN R., CAMPBELL, ROBERT G., GEORGE, J.C. "CRAIG", KRUSE, JACK, MASLOWSKI, WIESLAW, MOORE, SUE E., NICOLSON, CRAIG R., OKKONEN, STEPHEN R., SHERR, BARRY F., SHERR, EVELYN B., SPITZ, YVETTE H.

“…The annual migration of bowhead whales (Balaena mysticetus) past Barrow, Alaska, has provided subsistence hunting to Iñupiat for centuries. Bowheads…”
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Temporal and spatial variation in stocks of autotrophic and heterotrophic microbes in the upper water column of the central Arctic Ocean by SHERR, Evelyn B, SHERR, Barry F, WHEELER, Patricia A, THOMPSON, Karen

“…As part of the SHEBA/JOIS drift experiment,we continually analysed abundance and biomass ofautotrophic and heterotrophic microbes in the upper 120 m ofthe…”
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Photoresponse in the Heterotrophic Marine Dinoflagellate Oxyrrhis marina by HARTZ, AARON J, SHERR, BARRY F, SHERR, EVELYN B

“…Expressed rhodopsins were detected by proteomic analysis in an investigation of potential signal receptors in the cell membrane of the marine heterotrophic…”
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Distribution of bacterial abundance and cell-specific nucleic acid content in the Northeast Pacific Ocean by Sherr, Evelyn B., Sherr, Barry F., Longnecker, Krista

“…We tested the idea that bacterial cells with high nucleic acid content (HNA cells) are the active component of marine bacterioplankton assemblages, while…”
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Oceanic Protists by SHERR, BARRY F., SHERR, EVELYN B., CARON, DAVID A., VAULOT, DANIEL, WORDEN, ALEXANDRA Z.

“…Protists are microscopic eukaryotic microbes that are ubiquitous, diverse, and major participants in oceanic food webs and in marine biogeochemical cycles. The…”
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Community respiration/production and bacterial activity in the upper water column of the central Arctic Ocean by SHERR, Barry F, SHERR, Evelyn B

“…Community metabolism (respiration and production) and bacterial activity were assessed in the upper water column of the central Arctic Ocean during the…”
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Using Inhibitors to Investigate the Involvement of Cell Signaling in Predation by Marine Phagotrophic Protists by HARTZ, AARON J, SHERR, BARRY F, SHERR, EVELYN B

“…Phagotrophic protists are major consumers of microbial biomass in aquatic ecosystems. However, biochemical mechanisms underlying prey recognition and…”
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High bacterial production, uptake and concentrations of dissolved organic matter in the Central Arctic Ocean by Rich, James, Gosselin, Michel, Sherr, Evelyn, Sherr, Barry, Kirchman, David L.

“…Recent studies have indicated that biological activity is higher in the central Arctic Ocean than once thought. To assess the contribution of heterotrophic…”
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Role of Microbes in Pelagic Food Webs: A Revised Concept by Sherr, Evelyn, Sherr, Barry

“…In recent years, research focused on the organisms of the "microbial loop" (Pomeroy 1974; Azam et al. 1983) has resulted in a significant body of data on…”
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From small scales to the big picture: persistence mechanisms of planktonic grazers in the oligotrophic ocean by Paffenhöfer, Gustav-Adolf, Sherr, Barry F., Sherr, Evelyn B.

“…In this review we evaluate whether universal behavioral and metabolic mechanisms exist, which permit marine proto‐ and metazooplankton to persist in…”
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Effect of Protistan Grazing on the Frequency of Dividing Cells in Bacterioplankton Assemblages by Sherr, B F, Sherr, E B, McDaniel, J

“…Classifications Services AEM Citing Articles Google Scholar PubMed Related Content Social Bookmarking CiteULike Delicious Digg Facebook Google+ Mendeley Reddit…”
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Relation Between Presence-Absence of a Visible Nucleoid and Metabolic Activity in Bacterioplankton Cells by Choi, Joon W., Sherr, Evelyn B., Sherr, Barry F.

“…We investigated the report of Zweifel and Hagstrom that only a portion of marine bacteria contain nucleoids-the DNA-containing regions of procaryotic cells-and…”
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High rates of consumption of bacteria by pelagic ciliates by Sherr, Evelyn B, Sherr, Barry F

“…It has been thought that ciliate protozoans that consume bacteria are not found in open waters except at micro-sites of high bacterial density. A description…”
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Distribution and relation of total bacteria, active bacteria, bacterivory, and volume of organic detritus in Atlantic continental shelf waters off Cape Hatteras NC, USA by Sherr, Evelyn B, Sherr, Barry F, Verity, Peter G

“…During the Ocean Margins Program, we obtained data on the abundances of bacterioplankton and heterotrophic flagellates, and on rates of bacterivory, across the…”
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DAPI Direct Counting Underestimates Bacterial Abundances and Average Cell Size Compared to AO Direct Counting by Suzuki, Marcelino T., Sherr, Evelyn B., Sherr, Barry F.

“…We compared estimates of bacterial abundance and of average bacterial cell size based on direct counts of bacterioplankton cells stained with acridine orange…”
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