Functional evidence that a recently evolved Drosophila sperm-specific gene boosts sperm competition

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题名:	Functional evidence that a recently evolved Drosophila sperm-specific gene boosts sperm competition
作者:	葉淑丹;Yeh, Shu-Dan;Do, Tiffanie;Chan, Carolus;Cordova, Adriana;Carranza, Francisco;Yamamoto, Eugene A.;Abbassi, Mashya;Gandasetiawan, Kania A.;Librado, Pablo;Damia, Elisabetta;Dimitri, Patrizio;Rozas, Julio;Hartl, Daniel L.;Roote, John;Ranz, José M.
贡献者:	生醫理工學院生命科學系
关键词:	Animals;Biological Sciences;Biological variation;Breeding success;Chromosome deletion;Chromosomes;Drosophila;Drosophila melanogaster;Drosophila melanogaster - genetics;Drosophila simulans;Dynein;Evolution;Evolution, Molecular;Evolutionary genetics;Female;females;Fertility;Fertility - genetics;Fitness;Genes;Genes, Insect;Genes, Insect - genetics;Genetic diversity;genetic variation;Genetics;Genomes;Insects;Life Sciences;Male;Male animals;males;Mating behavior;Motility;Multigene Family;Multigene Family - genetics;Organ Specificity;Organ Specificity - genetics;progeny;Reproducibility of Results;Reproduction;Sex;Sex differences;Sperm;Sperm competition;sperm motility;Spermatozoa;Spermatozoa - physiology;X chromosome
日期:	2012-02-07
上传时间:	2026-04-23 11:12:49 (UTC+8)
出版者:	National Academy of Sciences;United States: National Academy of Sciences
摘要:	摘要： In many species, both morphological and molecular traits related to sex and reproduction evolve faster in males than in females. Ultimately, rapid male evolution relies on the acquisition of genetic variation associated with differential reproductive success. Many newly evolved genes are associated with novel functions that might enhance male fitness. However, functional evidence of the adaptive role of recently originated genes in males is still lacking. The Sperm dynein intermediate chain multigene family, which encodes a Sperm dynein intermediate chain presumably involved in sperm motility, originated from complex genetic rearrangements in the lineage that leads to Drosophila melanogaster within the last 5.4 million years since its split from Drosophila simulans. We deleted all the members of this multigene family resident on the X chromosome of D. melanogaster by chromosome engineering and found that, although the deletion does not result in a reduction of progeny number, it impairs the competence of the sperm in the presence of sperm from wildtype males. Therefore, the Sperm dynein intermediate chain multigene family contributes to the differential reproductive success among males and illustrates precisely how quickly a new gene function can be incorporated into the genetic network of a species. 其他題名： Proc Natl Acad Sci U S A 出版者： United States: National Academy of Sciences 出版日期： 2012-02-07 出處： Proceedings of the National Academy of Sciences - PNAS, 2012-02, Vol.109 (6), p.2043-2048 資源來源： JSTOR Life Sciences Collection 版權： copyright © 1993-2008 National Academy of Sciences of the United States of America 版權： Copyright National Academy of Sciences Feb 7, 2012 版權： licence_http://creativecommons.org/publicdomain/zero 識別號： ISSN: 0027-8424 識別號： ISSN: 1091-6490 識別號： EISSN: 1091-6490 識別號： DOI: 10.1073/pnas.1121327109 識別號： PMID: 22308475
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