Metabolically active bacteria in Lake Kinneret
نویسندگان
چکیده
منابع مشابه
Isotopic paleolimnology of Lake Kinneret
The carbonate, organic C, and N contents and their respective d13C were measured in four cores from Lake Kinneret, Israel. Using these data and the isotopic difference between coexisting carbonate and organic C, Dd13C, we attempted to reconstruct the lake’s productivity and regional climatic conditions during the late Holocene. The sedimentary record of the last 120 yr (for which climatological...
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Bacterial metabolisms are responsible for critical chemical transformations in nearly all environments, including oceans, freshwater, and soil. Despite the ubiquity of bacteria in the atmosphere, little is known about the metabolic functioning of atmospheric bacterial communities. To gain a better understanding of the metabolism of bacterial communities in the atmosphere, we used a combined emp...
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Most techniques used to assay the growth of microbes in natural communities provide no information on the relationship between microbial productivity and community structure. To identify actively growing bacteria, we adapted a technique from immunocytochemistry to detect and selectively isolate DNA from bacteria incorporating bromodeoxyuridine (BrdU), a thymidine analog. In addition, we develop...
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Reflectance spectra from 400 to 750 nm were measured in Lake Kinneret, when low phytoplankton stock prevailed, with chlorophyll concentrations from 3.1 to 7.3 pg/l. Algorithms for estimation of chlorophyll (CHL) concentration were devised using reflectances in the blue and green region of the spectrum and natural solar induced fluorescence. The fluorescence was calculated either from the reflec...
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Ashford and Porter (1) have described membranelimited vacuoles in liver cells that contain mitochondria in a variety of degenerative states, fragments of endoplasmic reticulum, and granules. More recently, Novikoff and Essner (6) have demonstrated the presence of similar bodies in liver cells, and have shown them to be the site of acid phosphatase activity. In an earlier report, Novikoff (4) ha...
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ژورنال
عنوان ژورنال: Aquatic Microbial Ecology
سال: 2001
ISSN: 0948-3055,1616-1564
DOI: 10.3354/ame023213