Measuring sex-biased dispersal in social mammals: comparisons of nuclear and mitochondrial genes in collared peccaries

Cooper, J. D.; Waser, Peter M.; Gopurenko, David; Hellgren, Eric C.; Gabor, Timothy M.; DeWoody, J. Andrew

doi:10.1644/09-mamm-a-313.1

Cited by 9 publications

(9 citation statements)

References 58 publications

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“…Las especies más abundantes durante el estudio fueron P. tajacu y N. narica, posiblemente como resultado del comportamiento de ambas especies, ya que las hembras adultas y los individuos jóvenes forman grupos sociales (Cooper, Waser, Gopurenko, Hellgren, Gabor, & Dewoody, 2010;Logan, & Longino, 2013). Los resultados de abundancia relativa coinciden con lo reportado por Monroy-Vilchis et al (2011) y Pérez-Irineo, & Santos Moreno (2012, donde el coatí es una especie muy abundante.…”

Section: Discussionunclassified

Diversidad, abundancia relativa y patrones de actividad de mamíferos medianos y grandes en una selva seca del Istmo de Tehuantepec, Oaxaca, México

Cortés-Marcial

Briones‐Salas

2014

RBT

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The use of camera traps and mammal track search are complementary methods to monitoring species of which is not well documented their natural history, as in the case of medium and large mammals. To ensure its conservation and good management, it is necessary to generate information about the structure of the community and their populations. The objective of the present study was to estimate the diversity, relative abundance and activity patterns of medium and large mammals in a tropical deciduous forest located in the Isthmus of Tehuantepec, Oaxaca, Mexico. Samplings were conducted in three month intervals, from September 2011 to May 2013. We used photographic-sampling and track search, two complementary sampling methods. For photographic-sampling, 12 camera traps were placed covering an area of 60km2, while for the tracks search a monthly tour of four line-transect surveys of three kilometers length each was undertaken. We obtained a total of 344 pictures with 5 292 trap-days total sampling effort; in addition, 187 track records in a total of 144km. With both methods we registered 21 species of mammals, in 13 families and seven orders, and five species resulted in new records to the area. The diversity index of Shannon-Wiener obtained with the method of tracks was H´=2.41, while the most abundant species were Urocyon cinereoargenteus (IAR=0.23) and Pecari tajacu (IAR=0.20). By the method of trap the most abundant species were P. tajacu (IAR=2.62) and Nasua narica (IAR=1.22). In terms of patterns of activity P. tajacu, N. narica and Odocoileus virginianus were primarily diurnal species; Canis latrans and Leopardus pardalis did not show preference for any schedule in particular, and Didelphis virginiana and Dasypus novemcinctus preferred to have nocturnal activity. This information can be of help to the creation of programs of management and conservation of mammals of medium and large in the Isthmus of Tehuantepec, Oaxaca, México.

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Section: Discussionunclassified

Diversidad, abundancia relativa y patrones de actividad de mamíferos medianos y grandes en una selva seca del Istmo de Tehuantepec, Oaxaca, México

Cortés-Marcial

Briones‐Salas

2014

RBT

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“…Both sexes were dispersed similarly between both populations, which could augment gene flow among populations of T. pecari. In contrast to the absence of sex-biased dispersal in T. pecari, comparisons of the level of genetic differentiation between mtDNA and microsatellites revealed male-biased dispersal in populations of collared peccaries from Texas (Cooper et al, 2010). Thus, this second species could show higher levels of genetic heterogeneity than the white-lipped peccary.…”

Section: Genetic Heterogeneity and No Existence Of Subspecies Within mentioning

confidence: 75%

Molecular phylogenetics of the white-lipped peccary (Tayassu pecari) did not confirm morphological subspecies in northwestern South America

et al. 2015

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ABSTRACT. We sequenced the mitochondrial DNA (mtDNA) control region of 59 peccaries (44 white-lipped peccaries, Tayassu pecari, and 15 collared peccaries, Pecari tajacu). We also genotyped 3 DNA microsatellites from 78 white-lipped peccaries representing the 4 putative morphological subspecies (i.e., spiradens, aequatoris, pecari, and albirostris) present in northwestern South America (i.e., Colombia, Ecuador, Peru, and Bolivia). Our results showed:M. Ruiz-García et al. 5356©FUNPEC-RP www.funpecrp.com.br Genetics and Molecular Research 14 (2): 5355-5378 (2015) 1) the estimated diversity of the mtDNA control region in the T. pecari population was extremely high, whereas the average genetic diversity for the microsatellites was medium to high and similar to that observed in European pig breeds; 2) there was no significant genetic heterogeneity among the quoted putative morphological subspecies at the mitochondrial marker, but we did detect significant (although relatively small) genetic heterogeneity using microsatellites, indicating that T. pecari albirostris is a uniquely differentiated group; and 3) the phylogenetic mtDNA trees showed that haplotypes were intermixed independent of their "a priori" subspecies classification. In addition, the microsatellite assignation analyses yielded low percentages of well-classified individuals when the analysis considered the geographic morphology of the subspecies. Thus, the molecular results do not support the putative morphological subspecies of T. pecari in northwestern South America. Finally, our results did not detect clear historical demographic changes using the mtDNA control region sequences. These genetic results are discussed in the context of the ecological and social characteristics of T. pecari.

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“…Sex‐biased dispersal may be related to social mating systems (Mabry et al, 2013) and result in different gene frequencies between sexes within and among populations or subpopulations (Prout, 1981). Recently, various studies reported intersexual differences in fine‐scale spatial genetic structure in mammals (e.g., Banks & Peakall, 2012; Cooper et al, 2010; Ishibashi, Zenitani, & Saitoh, 2013; Peakall, Ruibal, & Lindenmayer, 2003; Temple, Hoffman, & Amos, 2006). Therefore, it is highly likely that, in mammals, several mtDNA‐based subpopulations, which are shaped by female philopatry, are nested within an ncDNA‐based population, in which the mtDNA‐based subpopulations are linked by male dispersal.…”

Section: Discussionmentioning

confidence: 99%

High variation of mitochondrial DNA diversity as compared to nuclear microsatellites in mammalian populations

Saitoh

2020

Ecological Research

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The effective gene number (the number of genes that can be inherited) of mitochondrial DNA (mtDNA) is one‐fourth of that of nuclear DNA (ncDNA) in idealized populations. Therefore, mtDNA haplotype diversity (h) is predicted to be lower than ncDNA heterozygosity (HE) because of the higher effect of genetic drift on mtDNA. This prediction has not yet been systematically tested. To this end, in this study, published data for 739 populations of 108 mammalian species (66 terrestrial and 42 marine species) revealed the following patterns: (a) h was higher than HE in 54.9% of populations, (b) the variance of h (0.097) was significantly higher than that of HE (0.018) and (c) the frequency distribution of h differed between terrestrial and marine species. The terrestrial species exhibited a U‐shaped distribution, whereas the marine species exhibited a right triangle shape. HE showed a unimodal distribution for both groups. (d) The mean of HE was similar between the terrestrial (0.668) and marine (0.672) species, whereas the mean of h was significantly lower for the terrestrial species (0.578) than for the marine species (0.740). Two hypotheses were considered to explain the above‐described patterns, one of which was based on the higher mutation rates of mtDNA, while the other was based on a nested subpopulation structure in which an ncDNA‐based population includes several mtDNA‐based subpopulations. Herein, the plausibility of these two hypotheses was discussed with a focus on the higher intraspecific variation of h.

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Measuring sex-biased dispersal in social mammals: comparisons of nuclear and mitochondrial genes in collared peccaries

Cited by 9 publications

References 58 publications

Diversidad, abundancia relativa y patrones de actividad de mamíferos medianos y grandes en una selva seca del Istmo de Tehuantepec, Oaxaca, México

Diversidad, abundancia relativa y patrones de actividad de mamíferos medianos y grandes en una selva seca del Istmo de Tehuantepec, Oaxaca, México

Molecular phylogenetics of the white-lipped peccary (Tayassu pecari) did not confirm morphological subspecies in northwestern South America

High variation of mitochondrial DNA diversity as compared to nuclear microsatellites in mammalian populations

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