Striking diversity of male-killing symbionts and their mechanisms.

IF 16.3 2区 生物学 Q1 GENETICS & HEREDITY
Hiroshi Arai, Toshiyuki Harumoto, Susumu Katsuma, Keisuke Nagamine, Daisuke Kageyama
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引用次数: 0

Abstract

Symbiosis is a fundamental characteristic of eukaryotic biology. Arthropods, including insects, often harbor maternally inherited endosymbiotic microbes, some of which have evolved the ability to selectively kill male hosts - a phenomenon known as 'male killing.' The evolutionary history and mechanisms of symbiont-induced male killing have remained poorly understood. However, recent studies have revealed a remarkable diversity of male-killing strategies and their associated causative genes in diverse bacteria and viruses that target different aspects of the host reproductive system. Some insects have evolved various suppressor genes to counteract male-killing actions. This review synthesizes the current knowledge on the evolution and mechanisms underlying microbe-induced male killing and explores their broader implications for the ecology and evolution of eukaryotic life forms.

杀死雄性共生体的惊人多样性及其机制。
共生是真核生物的一个基本特征。包括昆虫在内的节肢动物通常携带着母体遗传的内共生微生物,其中一些微生物已经进化出了选择性杀死雄性宿主的能力,这种现象被称为“杀雄”。共生体诱导的雄性杀戮的进化历史和机制仍然知之甚少。然而,最近的研究表明,在针对宿主生殖系统不同方面的不同细菌和病毒中,雄性杀伤策略及其相关致病基因具有显著的多样性。一些昆虫已经进化出各种抑制基因来对抗雄性的杀戮行为。本文综述了微生物诱导雄性杀戮的进化和机制,并探讨了它们对真核生物的生态学和进化的更广泛的影响。
本文章由计算机程序翻译,如有差异,请以英文原文为准。
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来源期刊
Trends in Genetics
Trends in Genetics 生物-遗传学
CiteScore
20.90
自引率
0.90%
发文量
160
审稿时长
6-12 weeks
期刊介绍: Launched in 1985, Trends in Genetics swiftly established itself as a "must-read" for geneticists, offering concise, accessible articles covering a spectrum of topics from developmental biology to evolution. This reputation endures, making TiG a cherished resource in the genetic research community. While evolving with the field, the journal now embraces new areas like genomics, epigenetics, and computational genetics, alongside its continued coverage of traditional subjects such as transcriptional regulation, population genetics, and chromosome biology. Despite expanding its scope, the core objective of TiG remains steadfast: to furnish researchers and students with high-quality, innovative reviews, commentaries, and discussions, fostering an appreciation for advances in genetic research. Each issue of TiG presents lively and up-to-date Reviews and Opinions, alongside shorter articles like Science & Society and Spotlight pieces. Invited from leading researchers, Reviews objectively chronicle recent developments, Opinions provide a forum for debate and hypothesis, and shorter articles explore the intersection of genetics with science and policy, as well as emerging ideas in the field. All articles undergo rigorous peer-review.
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