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Model of 015-mediated toxicity. T5 bacteriophage translocates its genetic material into the E. coli cell, which expresses 015 within several minutes (1). The 015 gene product forms a complex with the host Ung (2) and thus localizes to newly formed AP sites (3). 015 then attacks the AP site (4) and forms a nick in the chromosomal DNA (5), which leads to DNA replication arrest and ultimately to cell death (6).

A new mechanism by which bacteriophage T5 inhibits growth of E. coli

How can we better control pathogenic bacteria? Insights may come from studying bacteriophages, viruses that infect bacteria. There are a wide variety of bacteriophages, each of which is specialized to infect and replicate within a specific target bacteria. Learning how a bacteriophage takes over bacterial metabolism to direct resources towards generating more bacteriophage can both […]

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endometriosis

Pathological Signature of T Helper 17 Cells Associated with Endometriosis Identified

Nearly 10% of reproductive age women are affected by endometriosis globally, a condition in which the uterine tissue grows ectopically, resulting in pelvic pain and infertility. The peritoneal fluid (PF) surrounding ectopic endometrial tissue contains T helper 17 (Th17) cells. The number of Th17 cells in PF increases with disease severity; however, their function in […]

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Forest

Deciphering Lipid Metabolism in Borrelia burgdorferi (Bb) to Better Understand Lyme Disease

Lyme disease is the most common tick-born disease in the United States, with almost half a million cases diagnosed every year. Lyme disease is caused by the bacterium Borrelia burgdorferi (Bb), which is transmitted to humans when they are bitten by an infected tick. Bb does not produce any toxins, and the pathogenesis of Lyme […]

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