Articles written in Journal of Biosciences
Volume 2 Issue 3 September 1980 pp 243-251
Total tRNA was purified from skeletal muscle of young, adult and old female albino rats. Age-dependent variation of total tRNA was the same with respect to tRNA content and biological activity as measured by amino acid acceptor capacity. The tRNA content was more in young rats and showed a gradual decrease in the adult and old rats. The relative abundancy of eleven aminoacyl-tRNAs were checked at each age and during aging. Arginyl, glutamyl and tyrosyl-tRNAs do not show any quantitative or qualitative change with age.
Volume 33 Issue 4 November 2008 pp 451-464
The hepatitis E virus (HEV) is a small RNA virus and the etiological agent for hepatitis E, a form of acute viral hepatitis. The virus has a feco-oral transmission cycle and is transmitted through environmental contamination, mainly through drinking water. Recent studies on the isolation of HEV-like viruses from animal species also suggest zoonotic transfer of the virus. The absence of small animal models of infection and efficient cell culture systems has precluded virological studies on the replication cycle and pathogenesis of HEV. A vaccine against HEV has undergone successful clinical testing and diagnostic tests are available. This review describes HEV epidemiology, clinical presentation, pathogenesis, molecular virology and the host response to HEV infection. The focus is on published literature in the past decade.
Volume 41 Issue 2 June 2016 pp 295-311 Review
The bromodomains and extra-terminal domain (BET) family proteins recognize acetylated chromatin through their bromodomains (BDs) and helps in regulating gene expression. BDs are chromatin ‘readers’; by interacting with acetylated lysines on the histone tails, they recruit chromatin-regulating proteins on the promoter region to regulate gene expression and repression. Extensive efforts have been employed by the scientific communities worldwide, to identify and develop potential inhibitors of BET family BDs to regulate protein expression by inhibiting acetylated histone (H3/H4) interactions. Several small molecule inhibitors have been reported, which not only have high affinity, but also have high specificity to BET BDs. These developments make BET family proteins to be an important therapeutic targets, for major diseases such as cancer, neurological disorders, obesity and inflammation. Here, we review and discuss the structural biology of BET family BDs and their applications in major diseases.
Volume 44 | Issue 5
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