Nutrient Estimation
Mostrando 25-27 de 27 artigos, teses e dissertações.
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25. Lipid Composition of a Psychrophilic Marine Vibrio sp. During Starvation-Induced Morphogenesis
Qualitative and quantitative changes with time in phospholipids and fatty acids were examined after suspension of cells of a psychrophilic marine bacterium in nutrient-free artificial seawater at 5°C. Viability was maintained throughout the 21-day examination period, with plate counts and acridine orange direct counts indicating a slight increase in cell nu
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26. A Synechococcus PglnA::luxAB Fusion for Estimation of Nitrogen Bioavailability to Freshwater Cyanobacteria
In contrast to extensive studies of phosphorus, widely considered the main nutrient limiting phytoplankton biomass in freshwater ecosystems, there have been few studies on the role of nitrogen in controlling phytoplankton populations. This situation may be due partly to the complexity in estimating its utilization and bioavailability. In an attempt to provid
American Society for Microbiology.
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27. Bacterial Production and Growth Rate Estimation from [3H]Thymidine Incorporation for Attached and Free-Living Bacteria in Aquatic Systems
Production and specific growth rates of attached and free-living bacteria were estimated in an oligotrophic marine system, La Salvaje Beach, Vizcaya, Spain, and in a freshwater system having a higher nutrient concentration, Butron River, Vizcaya, Spain. Production was calculated from [methyl-3H]thymidine incorporation by estimating specific conversion factor