Results 31 to 40 of about 380,519 (271)

Temperature and the development rates of thrips: Evidence for a constraint on local adaptation?

open access: yesEuropean Journal of Entomology, 2002
Typically, the relationship between insect development and temperature is described by two characteristics: the minimum temperature needed for development to occur (Tmin) and the number of day degrees required (DDR) for the completion of development.
David A. STACEY, Mark D.E. FELLOWES
doaj   +1 more source

The Community Simulator: A Python package for microbial ecology

open access: yes, 2020
Natural microbial communities contain hundreds to thousands of interacting species. For this reason, computational simulations are playing an increasingly important role in microbial ecology.
Cui, Wenping   +3 more
core   +1 more source

Bottom-Up Approaches to Synthetic Cooperation in Microbial Communities

open access: yesLife, 2019
Microbial cooperation pervades ecological scales, from single-species populations to host-associated microbiomes. Understanding the mechanisms promoting the stability of cooperation against potential threats by cheaters is a major question that only ...
Daniel Rodríguez Amor   +1 more
doaj   +1 more source

A more significant role for insertion sequences in large-scale rearrangements in bacterial genomes

open access: yesmBio
Insertion sequences (ISs) are mobile pieces of DNA that are widespread in bacterial genomes. IS movements typically involve (i) excision of the IS element, (ii) cutting of target site DNA, and (iii) IS element insertion. This process generates a new copy
Wing Y. Ngan   +3 more
doaj   +1 more source

High-severity wildfire leads to multi-decadal impacts on soil biogeochemistry in mixed-conifer forests. [PDF]

open access: yes, 2020
During the past century, systematic wildfire suppression has decreased fire frequency and increased fire severity in the western United States of America.
Bell C. W.   +7 more
core   +2 more sources

Prospects for the study of evolution in the deep biosphere

open access: yesFrontiers in Microbiology, 2012
Since the days of Darwin, scientists have used the framework of the theory of evolution to explore the interconnectedness of life on Earth and adaptation of organisms to the ever-changing environment.
Jennifer F Biddle   +7 more
doaj   +1 more source

Evolution of microbes and viruses: A paradigm shift in evolutionary biology?

open access: yesFrontiers in Cellular and Infection Microbiology, 2012
When Charles Darwin formulated the central principles of evolutionary biology in the Origin of Species in 1859 and the architects of the Modern Synthesis integrated these principles with population genetics almost a century later, the principal if not ...
Eugene V. Koonin, Yuri I Wolf
doaj   +1 more source

Synthetic Biology Tools for Engineering Microbial Cells to Fight Superbugs

open access: yesFrontiers in Bioengineering and Biotechnology, 2022
With the increase in clinical cases of bacterial infections with multiple antibiotic resistance, the world has entered a health crisis. Overuse, inappropriate prescribing, and lack of innovation of antibiotics have contributed to the surge of ...
Angel León-Buitimea   +9 more
doaj   +1 more source

Meta-analysis reveals ammonia-oxidizing bacteria respond more strongly to nitrogen addition than ammonia-oxidizing archaea [PDF]

open access: yes, 2016
Shifts in microbial communities driven by anthropogenic nitrogen (N) addition have broad-scale ecological consequences. However, responses of microbial groups to exogenous N supply vary considerably across studies, hindering efforts to predict community ...
Aronson, Emma L   +4 more
core   +1 more source

CRISPR-induced distributed immunity in microbial populations. [PDF]

open access: yesPLoS ONE, 2014
In bacteria and archaea, viruses are the primary infectious agents, acting as virulent, often deadly pathogens. A form of adaptive immune defense known as CRISPR-Cas enables microbial cells to acquire immunity to viral pathogens by recognizing specific ...
Lauren M Childs   +4 more
doaj   +1 more source

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