Results 61 to 70 of about 388,231 (299)

Extractable nitrogen and microbial community structure respond to grassland restoration regardless of historical context and soil composition. [PDF]

open access: yes, 2015
Grasslands have a long history of invasion by exotic annuals, which may alter microbial communities and nutrient cycling through changes in litter quality and biomass turnover rates.
Allen, Edith B   +3 more
core   +1 more source

Abiotic environmental factors override phytoplankton succession in shaping both free-living and attached bacterial communities in a highland lake

open access: yesAMB Express, 2019
Bacterial communities are an important part of biological diversity and biogeochemical cycling in aquatic ecosystems. In this study, the relationship amongst the phytoplankton species composition and abiotic environmental factors on seasonal changes in ...
Huan Wang   +6 more
doaj   +1 more source

Evolutionary history influences the salinity preference of bacterial taxa in wetland soils [PDF]

open access: yes, 2015
Salinity is a major driver of bacterial community composition across the globe. Despite growing recognition that different bacterial species are present or active at different salinities, the mechanisms by which salinity structures community composition ...
Franklin, Rima B., Morrisey, Ember M.
core   +3 more sources

Pyridine-type alkaloid composition affects bacterial community composition of floral nectar [PDF]

open access: yesScientific Reports, 2015
AbstractPyridine-type alkaloids are most common in Nicotiana species. To study the effect of alkaloid composition on bacterial community composition in floral nectar, we compared the nicotine-rich wild type (WT) N. attenuata, the nicotine biosynthesis-silenced N. attenuata that was rich in anatabine and the anabasine-rich WT N. glauca plants.
Yana Aizenberg-Gershtein   +5 more
openaire   +3 more sources

Interkingdom interactions on the denture surface: implications for oral hygiene [PDF]

open access: yes, 2019
Background: Evidence to support the role of Candida species in oral disease is limited. Often considered a commensal, this opportunistic yeast has been shown to play a role in denture related disease, though whether it is an active participant or ...
Alalwan   +39 more
core   +2 more sources

Gut microbiome and aging—A dynamic interplay of microbes, metabolites, and the immune system

open access: yesFEBS Letters, EarlyView.
Age‐dependent shifts in microbial communities engender shifts in microbial metabolite profiles. These in turn drive shifts in barrier surface permeability of the gut and brain and induce immune activation. When paired with preexisting age‐related chronic inflammation this increases the risk of neuroinflammation and neurodegenerative diseases.
Aaron Mehl, Eran Blacher
wiley   +1 more source

Distribution and Control of Bacterial Community Composition in Marian Cove Surface Waters, King George Island, Antarctica during the Summer of 2018

open access: yesMicroorganisms, 2020
Marian Cove is experiencing some of the most rapid environmental changes in the Antarctic region; however, little is known about the response of bacterial communities to these changes.
Soyeon Kim   +5 more
doaj   +1 more source

Temporal and Spatial Impact of Human Cadaver Decomposition on Soil Bacterial and Arthropod Community Structure and Function [PDF]

open access: yes, 2018
As vertebrate carrion decomposes, there is a release of nutrient-rich fluids into theunderlying soil, which can impact associated biological community structure andfunction. How these changes alter soil biogeochemical cycles is relatively unknown and may
Benbow, M. Eric   +9 more
core   +1 more source

Soil bacterial and fungal communities across a pH gradient in an arable soil [PDF]

open access: yes, 2010
Soils collected across a long-term liming experiment (pH 4.0-8.3), in which variation in factors other than pH have been minimized, were used to investigate the direct influence of pH on the abundance and composition of the two major soil microbial taxa,
AE McCaig   +56 more
core   +1 more source

The human gut microbiome across the life course

open access: yesFEBS Letters, EarlyView.
Despite significant individual variation and continuous change throughout life, the human gut microbiome follows some life stage‐specific trends. This article provides a brief overview of how gut microbiome composition shifts across different phases of life. Created in BioRender. Özkurt, E. (2026) https://BioRender.com/8q4nrnc.
Alise J. Ponsero   +4 more
wiley   +1 more source

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