Results 21 to 30 of about 496,946 (300)

Generation of Comprehensive Ecosystem-Specific Reference Databases with Species-Level Resolution by High-Throughput Full-Length 16S rRNA Gene Sequencing and Automated Taxonomy Assignment (AutoTax)

open access: yesmBio, 2020
High-throughput 16S rRNA gene amplicon sequencing is an essential method for studying the diversity and dynamics of microbial communities. However, this method is presently hampered by the lack of high-identity reference sequences for many environmental ...
Morten Simonsen Dueholm   +7 more
doaj   +1 more source

Energetic and Environmental Constraints on the Community Structure of Benthic Microbial Mats in Lake Fryxell, Antarctica. [PDF]

open access: yes, 2020
Ecological communities are regulated by the flow of energy through environments. Energy flow is typically limited by access to photosynthetically active radiation (PAR) and oxygen concentration (O2).
Dillon, Megan L   +6 more
core   +3 more sources

Long-Read Metagenome-Assembled Genomes Improve Identification of Novel Complete Biosynthetic Gene Clusters in a Complex Microbial Activated Sludge Ecosystem

open access: yesmSystems, 2022
Microorganisms produce a wide variety of secondary/specialized metabolites (SMs), the majority of which are yet to be discovered. These natural products play multiple roles in microbiomes and are important for microbial competition, communication, and ...
Roberto Sánchez-Navarro   +8 more
doaj   +1 more source

Environmental shaping of codon usage and functional adaptation across microbial communities. [PDF]

open access: yes, 2013
Microbial communities represent the largest portion of the Earth's biomass. Metagenomics projects use high-throughput sequencing to survey these communities and shed light on genetic capabilities that enable microbes to inhabit every corner of the ...
Achtman   +63 more
core   +1 more source

A Distinct, Flocculent, Acidogenic Microbial Community Accompanies Methanogenic Granules in Anaerobic Digesters

open access: yesMicrobiology Spectrum, 2021
The formation of dense, well-settling methanogenic granules is essential for the operation of high-rate, up-flow anaerobic bioreactors used for wastewater treatment.
Simon Mills   +4 more
doaj   +1 more source

Phyllosphere microbiology with special reference to diversity and plant genotype [PDF]

open access: yes, 2008
The phyllosphere represents the habitat provided by the aboveground parts of plants, and on a global scale supports a large and complex microbial community.
Adams   +111 more
core   +1 more source

Candidatus Amarolinea and Candidatus Microthrix Are Mainly Responsible for Filamentous Bulking in Danish Municipal Wastewater Treatment Plants

open access: yesFrontiers in Microbiology, 2020
Filamentous bulking is a common serious operational problem leading to deteriorated sludge settling that has long been observed in activated sludge biological wastewater treatment systems.
Marta Nierychlo   +9 more
doaj   +1 more source

Diffuse flow environments within basalt- and sediment-based hydrothermal vent ecosystems harbor specialized microbial communities [PDF]

open access: yes, 2013
Hydrothermal vents differ both in surface input and subsurface geochemistry. The effects of these differences on their microbial communities are not clear.
Campbell, Barbara J.   +6 more
core   +3 more sources

Evidence of global-scale aeolian dispersal and endemism in isolated geothermal microbial communities of Antarctica [PDF]

open access: yes, 2014
New evidence in aerobiology challenges the assumption that geographical isolation is an effective barrier to microbial transport. However, given the uncertainty with which aerobiological organisms are recruited into existing communities, the ultimate ...
Cary, S. Craig   +3 more
core   +2 more sources

Factors Associated with the Diversification of the Gut Microbial Communities within Chimpanzees from Gombe National Park. [PDF]

open access: yes, 2012
The gastrointestinal tract harbors large and diverse populations of bacteria that vary among individuals and within individuals over time. Numerous internal and external factors can influence the contents of these microbial communities, including diet ...
A. E. Pusey   +26 more
core   +1 more source

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