Monthly Archives: June 2014

Agrobacterium tumefaciens Deploys a Superfamily of Type VI Secretion DNase Effectors as Weapons for Interbacterial Competition In Planta The type VI secretion system (T6SS) is a widespread molecular weapon deployed by many Proteobacteria to target effectors/toxins into both eukaryotic and … Continue reading

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Aspergillomarasmine A overcomes metallo-b-lactamase antibiotic resistance The emergence and spread of carbapenem-resistant Gram-negative pathogens is a global public health problem. Theacquisition of metallo-b-lactamases (MBLs) such as NDM-1 is a principle contributor to the emergence of carbapenemresistantGram-negative pathogens that threatens the … Continue reading

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June issue of Immunity- lots of microbiome reviews/commentaries/papers

http://www.cell.com/immunity/issue?pii=S1074-7613%2814%29X0007-5

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Evidence of Extensive DNA Transfer between Bacteroidales Species within the Human Gut ABSTRACT The genome sequences of intestinal Bacteroidales strains reveal evidence of extensive horizontal gene transfer. In vitro studies of Bacteroides and other bacteria have addressed mechanisms of conjugative … Continue reading

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Aphid-GroEL-plant immune system triggering

New paper mentioned at journal club; plants are able to recognize presence of aphids by sensing GroEL protein produced by Buchnera that is present in the aphid saliva. http://www.pnas.org/content/early/2014/06/03/1407687111.abstract.html?etoc

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The Cytosolic Bacterial Peptidoglycan Sensor Nod2 Affords Stem Cell Protection and Links Microbes to Gut Epithelial Regeneration Sansonetti’s new paper is out; this was the topic of his talk at ASM. Summary The intestinal crypt is a site of potential … Continue reading

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