{"title":"Environmentally Dependent Alteration of Reproductive Strategies and Juvenile Hormone Signaling in <i>Daphnia</i> (Crustacea: Cladocera).","authors":"Hitoshi Miyakawa","doi":"10.2108/zs240054","DOIUrl":null,"url":null,"abstract":"<p><p><i>Daphnia</i> switches between asexual and sexual reproductive strategies, depending on environmental conditions. For sexual reproduction, unfavorable environmental signals induce production of males and formation of meiotic eggs. Induction of both these phenotypes is strongly dependent upon the arthropod endocrine factor juvenile hormone (JH). This review presents the current state of research on regulatory mechanisms of reproductive strategy alteration in <i>Daphnia</i>, focusing on studies related to JH signaling conducted during the past several decades. Additionally, it discusses what is needed in future research to fully understand these mechanisms and evolution of complicated life cycle and environmental adaptation systems in <i>Daphnia</i>.</p>","PeriodicalId":24040,"journal":{"name":"Zoological Science","volume":"42 1","pages":""},"PeriodicalIF":0.9000,"publicationDate":"2025-02-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":"0","resultStr":null,"platform":"Semanticscholar","paperid":null,"PeriodicalName":"Zoological Science","FirstCategoryId":"99","ListUrlMain":"https://doi.org/10.2108/zs240054","RegionNum":4,"RegionCategory":"生物学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":null,"EPubDate":"","PubModel":"","JCR":"Q3","JCRName":"ZOOLOGY","Score":null,"Total":0}
引用次数: 0
Abstract
Daphnia switches between asexual and sexual reproductive strategies, depending on environmental conditions. For sexual reproduction, unfavorable environmental signals induce production of males and formation of meiotic eggs. Induction of both these phenotypes is strongly dependent upon the arthropod endocrine factor juvenile hormone (JH). This review presents the current state of research on regulatory mechanisms of reproductive strategy alteration in Daphnia, focusing on studies related to JH signaling conducted during the past several decades. Additionally, it discusses what is needed in future research to fully understand these mechanisms and evolution of complicated life cycle and environmental adaptation systems in Daphnia.
期刊介绍：
Zoological Science is published by the Zoological Society of Japan and devoted to publication of original articles, reviews and editorials that cover the broad field of zoology. The journal was founded in 1984 as a result of the consolidation of Zoological Magazine (1888–1983) and Annotationes Zoologicae Japonenses (1897–1983), the former official journals of the Zoological Society of Japan. Each annual volume consists of six regular issues, one every two months.
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