气候变化领域集成服务门户(CCPortal): Rapid decreases in relative testes mass among monogamous birds but not in other vertebrates

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DOI	10.1111/ele.13431
	Rapid decreases in relative testes mass among monogamous birds but not in other vertebrates
	Baker J.; Humphries S.; Ferguson-Gow H.; Meade A.; Venditti C.
发表日期	2020
ISSN	1461023X
卷号	23 期号:2
英文摘要	Larger testes produce more sperm and therefore improve reproductive success in the face of sperm competition. Adaptation to social mating systems with relatively high and low sperm competition are therefore likely to have driven changes in relative testes size in opposing directions. Here, we combine the largest vertebrate testes mass dataset ever collected with phylogenetic approaches for measuring rates of morphological evolution to provide the first quantitative evidence for how relative testes mass has changed over time. We detect explosive radiations of testes mass diversity distributed throughout the vertebrate tree of life: bursts of rapid change have been frequent during vertebrate evolutionary history. In socially monogamous birds, there have been repeated rapid reductions in relative testes mass. We see no such pattern in other monogamous vertebrates; the prevalence of monogamy in birds may have increased opportunities for investment in alternative behaviours and physiologies allowing reduced investment in expensive testes. © 2019 The Authors. Ecology Letters published by CNRS and John Wiley & Sons Ltd
英文关键词	Adaptation; evolutionary rates; relative testes mass; social mating system; sperm competition; vertebrates
语种	英语
scopus关键词	adaptation; bird; evolutionary biology; mating success; monogamy; reproductive success; sperm competition; Aves; Vertebrata; animal; bird; evolution; male; phylogeny; reproduction; sexual behavior; spermatozoon; testis; Animals; Biological Evolution; Birds; Male; Phylogeny; Reproduction; Sexual Behavior, Animal; Spermatozoa; Testis
来源期刊	Ecology Letters
文献类型	期刊论文
条目标识符	http://gcip.llas.ac.cn/handle/2XKMVOVA/120947
作者单位	School of Biological Sciences, University of Reading, Reading, RG6 6BX, United Kingdom; School of Life Sciences, University of Lincoln, Joseph Banks Laboratories, Green Lane, Lincoln, LN6 7DL, United Kingdom; Department of Genetics, Evolution and Environment, Centre for Biodiversity and Environment Research, University College London, Gower Street, London, WC1E 6BT, United Kingdom
推荐引用方式 GB/T 7714	Baker J.,Humphries S.,Ferguson-Gow H.,et al. Rapid decreases in relative testes mass among monogamous birds but not in other vertebrates[J],2020,23(2).
APA	Baker J.,Humphries S.,Ferguson-Gow H.,Meade A.,&Venditti C..(2020).Rapid decreases in relative testes mass among monogamous birds but not in other vertebrates.Ecology Letters,23(2).
MLA	Baker J.,et al."Rapid decreases in relative testes mass among monogamous birds but not in other vertebrates".Ecology Letters 23.2(2020).