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Bacterial Physiological Phenomena (2)
Articles on Bacterial Physiological Phenomena
Vertically transmitted viral endosymbionts of insects: do sigma viruses walk alone?
We know relatively little about their viral counterparts. Here, we discuss the vertically transmitted viral endosymbionts of insects, firstly examining the diversity of this group, and then focusing on the well-studied sigma viruses that infect dipterans. Despite limited sampling, evidence suggests...
Defense at the border: the blood-brain barrier versus bacterial foreigners.
We summarize the progress made in elucidating the molecular mechanisms of bacterial BBB-crossing, highlighting common themes of host-pathogen interaction, and the potential role of the BBB in innate defense during infection....
Huanglongbing alters the structure and functional diversity of microbial communities associated with citrus rhizosphere.
Our results showed that the microbial community of the 'Ca. L. asiaticus'-infected citrus rhizosphere has shifted away from using more easily degraded sources of carbon to the more recalcitrant forms. Overall, our study provides evidence that the change in plant physiology mediated by 'Ca. L. asiati...
Tetraspanins: gateways for infection.
The tetraspanins constitute a conserved superfamily of four-span membrane proteins that are widely distributed in multi-cellular organisms. A characteristic property of tetraspanins is their ability to form lateral associations with one another and with other membrane proteins, giving rise to tetrasp...
Defining seasonal marine microbial community dynamics.
We describe, the longest microbial time-series analyzed to date using high-resolution 16S rRNA tag pyrosequencing of samples taken monthly over 6 years at a temperate marine coastal site off Plymouth, UK. Data treatment effected the estimation of community richness over a 6-year period, whereby 8794...
Coherent dynamics and association networks among lake bacterioplankton taxa.
We used 454 pyrosequencing of 16S rRNA genes to study associations of different bacterioplankton groups to environmental characteristics and their co-occurrence patterns over an annual cycle in a dimictic lake. Clear seasonal succession of the bacterioplankton community was observed. After binning o...
An all-taxon microbial inventory of the Moorea coral reef ecosystem.
We characterized microbial community composition across all three domains of life using amplicon pyrosequencing of the V6 (bacterial and archaeal) and V9 (eukaryotic) hypervariable regions of small-subunit ribosomal RNA genes. Our survey spanned eight locations along a 130-km transect from the reef...
Using network analysis to explore co-occurrence patterns in soil microbial communities.
We calculated associations between microbial taxa and applied network analysis approaches to a 16S rRNA gene barcoded pyrosequencing dataset containing >160 000 bacterial and archaeal sequences from 151 soil samples from a broad range of ecosystem types. We described the topology of the resulting...
Structural segregation of gut microbiota between colorectal cancer patients and healthy volunteers.
Despite a long-suspected role in the development of human colorectal cancer (CRC), the composition of gut microbiota in CRC patients has not been adequately described. In this study, fecal bacterial diversity in CRC patients (n=46) and healthy volunteers (n=56) were profiled by 454 p...