裂变酵母的交配类型转换格言:"一换二 "和 "二换一"。

IF 8 1区 生物学 Q1 MICROBIOLOGY Microbiology and Molecular Biology Reviews Pub Date : 2023-03-21 Epub Date: 2023-01-11 DOI:10.1128/mmbr.00008-21
Benoît Arcangioli, Serge Gangloff
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引用次数: 3

摘要

酿酒酵母(Schizosaccharomyces pombe)是一种通过内侧裂殖进行分裂的子囊菌,因此通常被称为裂殖酵母,而不是与之关系密切的出芽酵母(Saccharomyces cerevisiae)。假丝酵母的生殖生活方式依赖于一个高效的遗传性别决定系统,该系统能产生 1:1 的性别比例,并能根据环境条件交替使用单倍体/二倍体阶段。在这篇综述中,我们将讨论一个单倍体细胞如何生成两个交配类型相反的姐妹细胞,这是结合和减数分裂的先决条件。这一交配类型转换过程依赖于两次高效率的连续不对称细胞分裂,而这依赖于DNA复制、修复和重组以及异染色质的结构和成分。我们特别关注参与这一过程的遗传和表观遗传伙伴之间的密切相互作用,以强调基础研究的重要性及其对更好地理解染色质生物学的深远影响。
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The Fission Yeast Mating-Type Switching Motto: "One-for-Two" and "Two-for-One".

Schizosaccharomyces pombe is an ascomycete fungus that divides by medial fission; it is thus commonly referred to as fission yeast, as opposed to the distantly related budding yeast Saccharomyces cerevisiae. The reproductive lifestyle of S. pombe relies on an efficient genetic sex determination system generating a 1:1 sex ratio and using alternating haploid/diploid phases in response to environmental conditions. In this review, we address how one haploid cell manages to generate two sister cells with opposite mating types, a prerequisite to conjugation and meiosis. This mating-type switching process depends on two highly efficient consecutive asymmetric cell divisions that rely on DNA replication, repair, and recombination as well as the structure and components of heterochromatin. We pay special attention to the intimate interplay between the genetic and epigenetic partners involved in this process to underscore the importance of basic research and its profound implication for a better understanding of chromatin biology.

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来源期刊
CiteScore
18.80
自引率
0.80%
发文量
27
期刊介绍: Microbiology and Molecular Biology Reviews (MMBR), a journal that explores the significance and interrelationships of recent discoveries in various microbiology fields, publishes review articles that help both specialists and nonspecialists understand and apply the latest findings in their own research. MMBR covers a wide range of topics in microbiology, including microbial ecology, evolution, parasitology, biotechnology, and immunology. The journal caters to scientists with diverse interests in all areas of microbial science and encompasses viruses, bacteria, archaea, fungi, unicellular eukaryotes, and microbial parasites. MMBR primarily publishes authoritative and critical reviews that push the boundaries of knowledge, appealing to both specialists and generalists. The journal often includes descriptive figures and tables to enhance understanding. Indexed/Abstracted in various databases such as Agricola, BIOSIS Previews, CAB Abstracts, Cambridge Scientific Abstracts, Chemical Abstracts Service, Current Contents- Life Sciences, EMBASE, Food Science and Technology Abstracts, Illustrata, MEDLINE, Science Citation Index Expanded (Web of Science), Summon, and Scopus, among others.
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