Featured
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Biology of a widespread uncultivated archaeon that contributes to carbon fixation in the subsurface
Research on microbes that inhabit the Earth's subsurface is mostly based on metagenomic information only. Here, Probst et al. combine metagenomics with ultrastructural and functional analyses to study the biology of a group of uncultivated subsurface archaea, the SM1 Euryarchaeon lineage.
- Alexander J. Probst
- , Thomas Weinmaier
- & Christine Moissl-Eichinger
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Magnetic properties of uncultivated magnetotactic bacteria and their contribution to a stratified estuary iron cycle
Magnetotactic bacteria synthesize magnetite or greigite magnetosomes that, when fossilized, can serve as biomarkers of past ocean redox shifts. Here, Chen et al.show that these magnetosome types have very similar coercivity distributions, with implications for the analysis of sedimentary magnetic records.
- A.P. Chen
- , V.M. Berounsky
- & N.G.F. Vella
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Evidence of global-scale aeolian dispersal and endemism in isolated geothermal microbial communities of Antarctica
Geographical isolation is often considered an effective barrier to microbial transport. Here, the authors provide evidence of active recruitment of long-distance dispersed cosmopolitan microorganisms in fumarolic environments in Mount Erebus, Antarctica.
- Craig W. Herbold
- , Charles K. Lee
- & S. Craig Cary
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Article
| Open AccessMultiple recent horizontal transfers of a large genomic region in cheese making fungi
Horizontal gene transfers are known to play an important role in prokaryote evolution but their impact and prevalence in eukaryotes is less clear. Here, the authors sequence the genomes of cheese making fungi P. roqueforti and P. camemberti, and provide evidence for recent horizontal transfers of a large genomic region.
- Kevin Cheeseman
- , Jeanne Ropars
- & Yves Brygoo
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Turnover of soil bacterial diversity driven by wide-scale environmental heterogeneity
In microbial biogeography, little is known about processes involved in soil bacterial diversity turnover. By conducting a wide-scale investigation, this study shows that dispersal limitation and environmental selection of bacteria are not mutually exclusive, highlighting the importance of landscape diversity.
- L. Ranjard
- , S. Dequiedt
- & P. Lemanceau
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Warming and nitrogen deposition lessen microbial residue contribution to soil carbon pool
Microbes appear to play an important role in carbon sequestration. Here, the composition of microbial residues in a California grassland with elevated carbon dioxide, warming and nitrogen deposition reveals that warming and nitrogen deposition can both alter the fraction of carbon derived from microbes in soils.
- Chao Liang
- & Teri C. Balser
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Review Article |
Trends in the development of environmentally friendly fouling-resistant marine coatings
Biofouling, or the unwanted growth of biological organisms, is a particular problem in marine environments. This review considers recent advances in the development of environmentally friendly coatings to combat biofouling of submerged surfaces.
- James A. Callow
- & Maureen E. Callow