Microbial Ecology
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Endophytic Occupation of Root Nodules and Roots of Melilotus dentatus by Agrobacterium tumefaciens
Microbial Ecology - Tập 52 - Trang 436-443 - 2006
Agrobacterium strains have been frequently isolated from the root nodules of different legumes. Various possible mechanisms have been proposed to explain the existence of these bacteria in nodules, but there is no sufficient experimental evidence to support the estimations. In this work, we proved that the Agrobacterium strain CCBAU 81181, which was originally isolated from the root nodules of Ono......
Analysis of spatial and temporal variation in the community structure of yeasts associated with decayingOpuntia cactus
Microbial Ecology - Tập 14 - Trang 267-276 - 1987
The microbial structure within, between, and over time in decaying cladodes of the common prickly pearOpuntia stricta was studied at each of two separate localities. In general, the effective number of yeast species and yeast species diversity increased as the rot aged to the observed maximum time of 4 weeks. Yeast heterogeneity at the two localities differed in the mode of environmental influence......
Dynamics of Indigenous Lactic Acid Bacteria Populations in Wine Fermentations from La Rioja (Spain) During Three Vintages
Microbial Ecology - Tập 63 - Trang 12-19 - 2011
Diversity of lactic acid bacteria (LAB) species has been analyzed for three consecutive years (2006, 2007, and 2008) during alcoholic and malolactic fermentations of Tempranillo wine in a winery at La Rioja. The results showed differences in malolactic fermentation duration, and in both diversity of LAB species and diversity of Oenococcus oeni genotypes. O. oeni was shown to be the predominant spe......
Aerobic Biological Treatment of Low-Strength Synthetic Wastewater in Membrane-Coupled Bioreactors: The Structure and Function of Bacterial Enrichment Cultures as the Net Growth Rate Approaches Zero
Microbial Ecology - Tập 51 Số 1 - Trang 99-108 - 2006
Influence of Algal Biomass on Extracellular Enzyme Activity in River Biofilms
Microbial Ecology - Tập 40 - Trang 16-24 - 2014
Relationships between biofilm structural components (algal and bacterial biomass) and the activities of some extracellular enzymes that contribute to the ability to degrade organic matter) were explored for six Atlantic and three Mediterranean streams and rivers. The biofilms in these fluvial systems accounted for a wide range of bacterial and algal biomass and colonized the most common benthic ha......
Artificial Cyanobacterial Mats: Growth, Structure, and Vertical Zonation Patterns
Microbial Ecology - Tập 40 - Trang 85-93 - 2000
The formation of cyanobacterial mats (originally induced by incubation of sediment cores in which metazoans and most other eukaryotes had been removed) was followed over approximately 2.6 years. The thickness of the mats increased at a rate of 2–3 mm per year because of accumulation of empty cyanobacterial sheaths and as a result of carbonate deposition; the fraction of living biomass remained re......
Toxicity Overrides Morphology on Cylindrospermopsis raciborskii Grazing Resistance to the Calanoid Copepod Eudiaptomus gracilis
Microbial Ecology - Tập 71 Số 4 - Trang 835-844 - 2016
Chlorophylla and adenosine triphosphate levels in Antarctic and temperate lake sediments
Microbial Ecology - Tập 9 - Trang 123-135 - 1983
Analysis of adenosine triphosphate (ATP) from surficial sediment layers in two antarctic lakes and two temperate lakes showed a high degree of similarity in spite of differences between trophic state, mictic state, or geographic location. Adenosine triphosphate was found at all levels sampled in temperate lake sediment cores but occasionally was present only in surficial layers of antarctic cores.......
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