Search Results - "McManus, G. B"

Picophytoplankton biomass distribution in the global ocean by Buitenhuis, E. T, Li, W. K. W, Vaulot, D, Lomas, M. W, Landry, M. R, Partensky, F, Karl, D. M, Ulloa, O, Campbell, L, Jacquet, S, Lantoine, F, Chavez, F, Macias, D, Gosselin, M, McManus, G. B

“…The smallest marine phytoplankton, collectively termed picophytoplankton, have been routinely enumerated by flow cytometry since the late 1980s during cruises…”
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Quantum efficiency of chloroplasts retained from food by the mixotrophic ciliate Strombidium rassoulzadegani by Grzywacz, J, Gorbunov, M, McManus, G B

“…Abstract Strombidium rassoulzadegani is an oligotrich ciliate from coastal waters that retains functional chloroplasts from its algal diet. Using a…”
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Oceanic protists with different forms of acquired phototrophy display contrasting biogeographies and abundance by Leles, S. G., Mitra, A., Flynn, K. J., Stoecker, D. K., Hansen, P. J., Calbet, A., McManus, G. B., Sanders, R. W., Caron, D. A., Not, F., Hallegraeff, G. M., Pitta, P., Raven, J. A., Johnson, M. D., Glibert, P. M., Våge, S.

“…This first comprehensive analysis of the global biogeography of marine protistan plankton with acquired phototrophy shows these mixotrophic organisms to be…”
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Molecular and morphological methods for identifying plankton: what makes a successful marriage? by McManus, George B., Katz, Laura A.

“…Precise identification of species is critical for the study of biogeography of plankton and for applying laboratory culture results to the same organism in…”
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Trophic Transfer of Fatty Acids, Sterols, and a Triterpenoid Alcohol Between Bacteria, a Ciliate, and the Copepod Acartia tonsa by Ederington, Melissa C., McManus, George B., Harvey, H. Rodger

“…The incorporation of lipids into the copepod Acartia tonsa and its eggs was measured when it was fed either a bacterivorous ciliate (Pleuronema sp.) or a…”
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Food Type and Concentration Affect Chlorophyll and Carotenoid Destruction during Copepod Feeding by McLeroy-Etheridge, Stacey L., McManus, George B.

“…To evaluate the use of pigments as tracers for determining copepod grazing rates and selectivity, we examined the stability of several biomarker pigments…”
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Planktonic Community Structure Determines the Fate of Bacterial Production in a Temperate Lake by Pace, Michael L., McManus, George B., Stuart E. G. Findlay

“…We examined the fate of planktonic bacterial production and the balance between bacterial growth and grazing mortality in the surface waters of Upton Lake, New…”
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Microzooplankton Grazing and Nitrogen Excretion across a Surface Estuarine-Coastal Interface by Lehrter, John C., Pennock, Jonathan R., McManus, George B.

“…The role of the microzooplankton community in regulating phytoplankton biomass was examined across a gradient from a river-dominated estuary to an…”
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Phytoplankton pigments and growth rates, and microzooplankton grazing in a large temperate estuary by McManus, George B., Ederington-Cantrell, Melissa C.

“…We used the dilution method to measure phytoplankton growth and microzooplankton grazing at 2 stations in Chesapeake Bay, USA, during spring, summer, and fall…”
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Insights into the diversity of choreotrich and oligotrich ciliates (Class: Spirotrichea) based on genealogical analyses of multiple loci by Snoeyenbos-West, OLO, Salcedo, T, McManus, G. B, Katz, L. A

“…OLO. Snoeyenbos-West, T. Salcedo, G. B. McManus and L. A. Katz Department of Biological Sciences, Smith College, Northampton, MA 01063, USA To examine…”
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Seasonal and fine-scale spatial variations in egg production and triacylglycerol content of the copepod Acartia tonsa in a river-dominated estuary and its coastal plume by McManus, George B., Foster, C.Alan

“…We measured egg production rates of the estuarine calanoid copepod Acartia tonsa in Mobile Bay, an estuary in the northern Gulf of Mexico. Two stations were…”
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Feeding by ciliates on two harmful algal bloom species, Prymnesium parvum and Prorocentrum minimum by Rosetta, Carol Holmes, McManus, George B

“…We have focused on ciliates as potential grazers on toxic phytoplankton because they are major herbivores in aquatic food webs. Ciliates may exert top down…”
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Control of marine bacterioplankton populations: measurement and significance of grazing by MCMANUS, G. B, FUHRMAN, J. A

“…A variety of methods have been used to estimate the degree of control exercised upon marine bacterioplankton by grazing organisms. These include filtration or…”
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Production, consumption and nutrient cycling in a laboratory mesocosm by Roman, M. R., Ducklow, H. W., Fuhrman, J. A., Garside, C., Glibert, P. M., Malone, T. C., McManus, G. B.

“…A mesocosm experiment was conducted in which estuarine plankton population dynamics and rates of production, consumption, and nitrogen uptake and release were…”
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Bacterivory in Seawater Studied with the Use of Inert Fluorescent Particles by McManus, George B., Fuhrman, Jed A.

“…Fluorescent pigments were used to study the uptake of bacteria-sized particles by laboratory and field populations of heterotrophic nanoplankton. With membrane…”
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Marine Planktonic Ciliates That Prey on Macroalgae and Enslave Their Chloroplasts by McManus, George B., Zhang, Huan, Lin, Senjie

“…We found two tide-pool ciliates, Strombidium oculatum and Strombidium stylifer, that ingest ulvaceous green macroalgae and retain their chloroplasts. Sequences…”
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Clearance of bacteria-sized particles by natural populations of nanoplankton in the Chesapeake Bay outflow plume by McManus, George B., Fuhrman, Jed A.

“…The uptake of bacteria-sized particles by non-pigmented nanoplankton was measured in late winter (February) and spring (June) in the Chesapeake Bay outflow…”
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Mesoscale and seasonal variability of heterotrophic nanoflagellate abundance in an estuarine outflow plume by McManus, George B., Fuhrman, Jed A.

“…We measured the abundance of heterotrophic nanoflagellates in the estuarine outflow plume of the Chesapeake Bay, USA, during cruises in February, April, June…”
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Does Adenine Incorporation Into Nucleic Acids Measure Total Microbial Production? by Fuhrman, Jed A., Ducklow, Hugh W., Kirchman, David L., Hudak, John, McManus, George B., Kramer, Jonathan

“…Incorporation of radioactive adenine into DNA has recently been used as a measure of total microbial production in marine environments, sometimes with…”
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Phytoplankton pigments in the deep chlorophyll maximum of the Caribbean Sea and the western tropical Atlantic Ocean by McManus, George B., Dawson, Rodger

“…We report on the distribution of chlorophylls and carotenoids in the deep chlorophyll maximum (DCM) of the western tropical Atlantic and the Caribbean Sea,…”
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