High degree of multiple paternity in the viviparous Shiner Perch, Cymatogaster aggregata, a fish with long-term female sperm storage

Liu, Jinxian; Avise, John C.

doi:10.1007/s00227-010-1616-0

Cited by 51 publications

(40 citation statements)

References 61 publications

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“…Eight microsatellite loci, KAP2, KAP9, KAP11, KAP12, KAP20, KAP32, KAP38, and KAP39, were amplified following the PCR protocol described in [30]. Electrophoresis was carried out in the Life Technologies Biotechnology Co., China.…”

Section: Methodsmentioning

confidence: 99%

Population Genetic Structure and Demographic History of Atrina pectinata Based on Mitochondrial DNA and Microsatellite Markers

et al. 2014

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The pen shell, Atrina pectinata, is one of the commercial bivalves in East Asia and thought to be recently affected by anthropogenic pressure (habitat destruction and/or fishing pressure). Information on its population genetic structure is crucial for the conservation of A. pectinata. Considering its long pelagic larval duration and iteroparity with high fecundity, the genetic structure for A. pectinata could be expected to be weak at a fine scale. However, the unusual oceanography in the coasts of China and Korea suggests potential for restricted dispersal of pelagic larvae and geographical differentiation. In addition, environmental changes associated with Pleistocene sea level fluctuations on the East China Sea continental shelf may also have strongly influenced historical population demography and genetic diversity of marine organisms. Here, partial sequences of the mitochondrial Cytochrome c oxidase subunit I (COI) gene and seven microsatellite loci were used to estimate population genetic structure and demographic history of seven samples from Northern China coast and one sample from North Korea coast. Despite high levels of genetic diversity within samples, there was no genetic differentiation among samples from Northern China coast and low but significant genetic differentiation between some of the Chinese samples and the North Korean sample. A late Pleistocene population expansion, probably after the Last Glacial Maximum, was also demonstrated for A. pectinata samples. No recent genetic bottleneck was detected in any of the eight samples. We concluded that both historical recolonization (through population range expansion and demographic expansion in the late Pleistocene) and current gene flow (through larval dispersal) were responsible for the weak level of genetic structure detected in A. pectinata.

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Section: Methodsmentioning

confidence: 99%

Population Genetic Structure and Demographic History of Atrina pectinata Based on Mitochondrial DNA and Microsatellite Markers

et al. 2014

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“…Instead, an indirect measure of sexual conflict and sperm competition has been gathered in a very large number of studies through the evaluation of levels of multiple paternity or multiple maternity (in reversed gender role pipefish and seahorses) in fishes (Jones & Avise ; Reisser et al . ; Coleman & Jones ; Liu & Avise ). High levels of multiple paternity (intraspecific) and hybridization (interspecific) clearly show that prezygotic isolation at the fertilization stage is not the primary means of reproductive isolation in fishes.…”

Section: Sexual Componentmentioning

confidence: 99%

Speciation in fishes

Bernardi

2013

Molecular Ecology

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The field of speciation has seen much renewed interest in the past few years, with theoretical and empirical advances that have moved it from a descriptive field to a predictive and testable one. The goal of this review is to provide a general background on research on speciation as it pertains to fishes. Three major components to the question are first discussed: the spatial, ecological and sexual factors that influence speciation mechanisms. We then move to the latest developments in the field of speciation genomics. Affordable and rapidly available, massively parallel sequencing data allow speciation studies to converge into a single comprehensive line of investigation, where the focus has shifted to the search for speciation genes and genomic islands of speciation. We argue that fish present a very diverse array of scenarios, making them an ideal model to study speciation processes.

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“…; Calhim et al. ; Evans and Pilastro ; Liu and Avise ; Orr and Zuk ). Secondly, an intimate, prolonged contact between male gamete and female cells may increase the opportunities for cryptic female choice (Eberhard ).…”

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confidence: 98%

Directional postcopulatory sexual selection is associated with female sperm storage in Trinidadian guppies

et al. 2016

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Female sperm storage (FSS) is taxonomically widespread and often associated with intense sperm competition, yet its consequences on postcopulatory sexual selection (PCSS) are poorly known. Theory predicts that FSS will reduce the strength of PCSS, because sperm characteristics favored before and after FSS may be traded‐off, and opportunities for nondirectional PCSS should increase. We explored these questions in the guppy (Poecilia reticulata), by allowing females to mate multiply and by comparing the paternity pattern in two successive broods. Contrary to predictions, the variance in male fertilization success increased after FSS, driven by a change in male paternity share across broods. This change was positively associated with sperm velocity (measured before FSS) but not with the duration of FSS, indirectly suggesting that faster sperm were better in entering female storage organs, rather than in persisting within them. Other male traits, such as male size and orange color, heterozygosity, and relatedness to the female, did not influence paternity after FSS. These results indicate that processes associated with FSS tend to reinforce the strength of PCSS in guppies, rather than weaken it. Further work is necessary to test whether this pattern changes in case of more prolonged FSS.

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High degree of multiple paternity in the viviparous Shiner Perch, Cymatogaster aggregata, a fish with long-term female sperm storage

Cited by 51 publications

References 61 publications

Population Genetic Structure and Demographic History of Atrina pectinata Based on Mitochondrial DNA and Microsatellite Markers

Population Genetic Structure and Demographic History of Atrina pectinata Based on Mitochondrial DNA and Microsatellite Markers

Speciation in fishes

Directional postcopulatory sexual selection is associated with female sperm storage in Trinidadian guppies

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