Journal
MOLECULAR MICROBIOLOGY
Volume -, Issue -, Pages -Publisher
WILEY
DOI: 10.1111/mmi.15134
Keywords
fission yeast; Schizosaccharomyces pombe; lifespan; starvation; TORC1
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The ecl family genes in Schizosaccharomyces pombe are positive regulators of chronological lifespan and involved in various biological processes such as nutritional starvation and stress resistance.
In the fission yeast Schizosaccharomyces pombe, the duration of survival in the stationary phase, termed the chronological lifespan (CLS), is affected by various environmental factors and the corresponding gene activities. The ecl family genes were identified in the genomic region encoding non-coding RNA as positive regulators of CLS in S. pombe, and subsequently shown to encode relatively short proteins. Several studies revealed that ecl family genes respond to various nutritional starvation conditions via different mechanisms, and they are additionally involved in stress resistance, autophagy, sexual differentiation, and cell cycle control. Recent studies reported that Ecl family proteins strongly suppress target of rapamycin complex 1, which is a conserved eukaryotic nutrient-sensing kinase complex that also regulates longevity in a variety of organisms. In this review, we introduce the regulatory mechanisms of Ecl family proteins and discuss their emerging findings.
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