Results 171 to 180 of about 226,577 (418)

Modulation of rhizosphere microbiota by Bacillus subtilis R31 enhances long‐term suppression of banana Fusarium wilt

open access: yesiMetaOmics, EarlyView.
This study indicated that biocontrol bacterium B. subtilis R31 is likely to prevent and control banana Fusarium wilt through regulating the structure and function of banana rhizosphere microorganism flora (especially increasing the microbial abundance of Actinomyces), and help potential biocontrol bacteria grow into the plant roots.
Ming‐Wei Shao   +17 more
wiley   +1 more source

Homology of plasmids in strains of unicellular cyanobacteria [PDF]

open access: green, 1979
Cees A. M. J. J. van den Hondel   +3 more
openalex   +1 more source

The performance of different methods in characterizing soil live prokaryotic diversity and abundance is highly variable

open access: yesiMetaOmics, EarlyView.
We systematically compared and assessed the commonly used methods for studying live soil microbes, including alkaline buffer washing, propidium monoazide (PMA) treatment, DNase pre‐digestion, and rRNA‐based analysis, based on soils collected across the western region of China.
Yuan Du   +9 more
wiley   +1 more source

Diversity and specificity of molecular functions in cyanobacterial symbionts

open access: yesScientific Reports
Cyanobacteria are globally occurring photosynthetic bacteria notable for their contribution to primary production and production of toxins which have detrimental ecosystem impacts.
Ellen S. Cameron   +4 more
doaj   +1 more source

Phytoplankton Community and Algal Toxicity at a Recurring Bloom in Sullivan Bay, Kabetogama Lake, Minnesota, USA [PDF]

open access: yes, 2019
Kabetogama Lake in Voyageurs National Park, Minnesota, USA suffers from recurring late summer algal blooms that often contain toxin-producing cyanobacteria.
Christensen, Victoria G.   +4 more
core   +1 more source

The multicellular nature of filamentous heterocyst-forming cyanobacteria.

open access: yesFEMS Microbiology Reviews, 2016
Cyanobacteria carry out oxygenic photosynthesis, play a key role in the cycling of carbon and nitrogen in the biosphere, and have had a large impact on the evolution of life and the Earth itself.
A. Herrero, J. Stavans, E. Flores
semanticscholar   +1 more source

Seasonal patterns of phytoplankton photoacclimation in a dimictic oligotrophic lake over 5 yr: Implications for chlorophyll as an estimate of biomass

open access: yesLimnology and Oceanography, EarlyView.
Abstract Chlorophyll a is commonly used as a surrogate for algal biomass in lakes and oceans even though phytoplankton can readily adjust intracellular chlorophyll concentration to changes in the environment through a cellular process termed photoacclimation.
Scott Girdner, Joshua Sprague
wiley   +1 more source

Rethinking the Paleoproterozoic Great Oxidation Event: A Biological Perspective [PDF]

open access: yesarXiv, 2012
Competing geophysical/geochemical hypotheses for how Earth's surface became oxygenated - organic carbon burial, hydrogen escape to space, and changes in the redox state of volcanic gases - are examined and a more biologically-based hypothesis is offered in response.
arxiv  

Seagrasses under stress: Independent negative effects of elevated temperature and light reduction at multiple levels of organization

open access: yesLimnology and Oceanography, EarlyView.
Abstract Seagrasses are important foundation species, which support coastal biodiversity and provide socioeconomic benefits. However, seagrasses are threatened by anthropogenic changes, including the elevated temperature associated with marine heatwaves (MHWs) and light limitation from eutrophication or increased sedimentation.
Alissa V. Bass   +2 more
wiley   +1 more source

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