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Journal of Heredity

Sara J Pieper, Allison A Nicholls, Joanna R Freeland, Marcel E Dorken
Cattails (Typha spp.) have become an increasingly dominant component of wetlands in eastern North America and this dominance is largely attributable to the high frequency of Typha × glauca, the hybrid of native T. latifolia and putatively introduced T. angustifolia. Hybridization in this group is asymmetric, with T. angustifolia nearly always the maternal parent of F1 hybrids. However, the magnitude of hybrid infertility and whether mating asymmetries extend to the formation of advanced-generation hybrids have not been examined...
April 19, 2017: Journal of Heredity
Joji M Otaki, Wataru Taira
Adverse biological impacts of the Fukushima nuclear accident have been revealed using the pale grass blue butterfly, Zizeeria maha, since 2012, which were often considered incompatible with the conventional understanding of radiation biology. This discrepancy likely originates from different system conditions and methodologies. In this article, we first respond to comments from the United Nations Scientific Committee on the Effects of Atomic Radiation (UNSCEAR) regarding our study; "technical errors" in unit usage and mathematical models noted by UNSCEAR are not errors but reflect our research philosophy not to introduce theoretical assumptions associated with unit conversion and mathematical fit...
April 18, 2017: Journal of Heredity
Shanmei Cheng, Qiong La, Fan Lu, Takahiro Yonezawa, Ganqiang Yin, Zhiping Song, Yuguo Wang, Ji Yang, Wenju Zhang
Wu hypothesized that the Tibetan flora originated mostly from the paleotropical Tertiary flora in the Hengduan Mountains by adapting to the cold and arid environments associated with the strong uplift of the Qinghai-Tibet Plateau (QTP). Here, we combine the phylogeographic history of Sophora moorcroftiana with that of S. davidii to explore the speciation of S. moorcroftiana to test this hypothesis. We collected 151 individuals from 17 populations and sequenced two chloroplast fragments and the internal transcribed spacer of rDNA...
April 12, 2017: Journal of Heredity
Sarah K Pearson, Stephanie S Godfrey, N Schwensow, C Michael Bull, Michael G Gardner
Due to their role in mate choice, disease resistance and kin recognition, genes of the major histocompatibility complex (MHC) are good candidates for investigating genetic-based mate choice. MHC based mate choice is context dependent and influenced by many factors including social structure. Social structure diversity makes the Egernia group of lizards suitable for comparative studies of MHC based mate choice. We investigated mate choice in the gidgee skink (Egernia stokesii), a lizard that exhibits high levels of social group and spatial stability...
April 12, 2017: Journal of Heredity
Mark P Miller, Susan M Haig, Jonathan D Ballou, E Ashley Steel
Understanding and estimating inbreeding is essential for managing threatened and endangered wildlife populations. However, determination of inbreeding rates in natural populations is confounded by incomplete parentage information. We present an approach for quantifying inbreeding rates for populations with incomplete parentage information. The approach exploits knowledge of pedigree configurations that lead to inbreeding coefficients of F = 0.25 and F = 0.125, allowing for quantification of Pr(I|k): the probability of observing pedigree I given the fraction of known parents (k)...
April 7, 2017: Journal of Heredity
Jean P Elbers, Rachel W Clostio, Sabrina S Taylor
Levels of adaptive genetic variation influence how species deal with environmental and ecological change, but these levels are frequently inferred using neutral genetic markers. Major histocompatibility complex (MHC) genes play a key role in the adaptive branch of the immune system and have been used extensively to estimate levels of adaptive genetic variation. Parts of the peptide binding region, sites where MHC molecules directly interact with pathogen and self-proteins, were sequenced from a MHC class I (95/441 tortoises) and class II (245/441 tortoises) gene in threatened and non-threatened populations of gopher tortoises (Gopherus polyphemus), and adaptive genetic variation at MHC genes was compared to neutral genetic variation derived from 10 microsatellite loci (441 tortoises)...
April 6, 2017: Journal of Heredity
Xuhua Xia
DAMBE is a comprehensive software workbench for data analysis in molecular biology, phylogenetics and evolution. Several important new functions have been added since version 5 of DAMBE: 1) comprehensive genomic profiling of translation initiation efficiency of different genes in different prokaryotic species, 2) a new index of translation elongation (ITE) that takes into account both tRNA-mediated selection and background mutation on codon-anticodon adaptation, 3) a new and accurate phylogenetic approach based on pairwise alignment only, which is useful for highly divergent sequences from which a reliable multiple sequence alignment is difficult to obtain...
April 4, 2017: Journal of Heredity
Katherine A Farquharson, Carolyn J Hogg, Catherine E Grueber
Captive breeding programs are an increasingly popular tool to augment the conservation of threatened wild populations. Many programs keep detailed pedigrees, which are used to prescribe breeding targets to meet demographic and genetic goals. Annual breeding targets are based on previous productivity, but do not account for changes in reproductive success that may occur over generations in captivity and which may impair the ability of a program to meet its goals. We utilise a large studbook from the Tasmanian devil (Sarcophilus harrisii) captive breeding program to investigate biological, genetic and environmental factors that affect variation in reproductive success among individuals and over generations of captive breeding...
April 4, 2017: Journal of Heredity
Vilma B Quipildor, Paula Mathiasen, Andrea C Premoli
Species inhabiting drylands commonly depend on the surrounding vegetation for recruitment under stress, while competition may affect populations in moister environments. Our objective was to analyze how different climates and vegetation affect the fine-scale spatial genetic structure (SGS) of the columnar cactus Echinopsis terscheckii. At four sites we estimated vegetation cover by digitized patches and the normalized difference vegetation index (NDVI). We mapped 30 individuals per population and collected tissue for isozyme electrophoresis using 15 putative loci...
March 27, 2017: Journal of Heredity
Marcia Patricia Hoeltgebaum, Maurício Sedrez Dos Reis
Varronia curassavica is an important medicinal species associated with the restinga, one of the most threatened coastal ecosystems of the Atlantic Forest. These circumstances call for studies aimed at estimating effective population size and gene flow to improve conservation efforts. Hence, the present study aimed to characterize the genetic diversity, ploidy level and population structure of this species in different areas of restinga using microsatellites. Varronia curassavica was characterized as an autotetraploid, with high genetic variability, low divergence, and no significant fixation indices, indicating the absence of, or reduced, inbreeding and genetic drift in the study area...
March 21, 2017: Journal of Heredity
Melis Akman, Rogier Kleine, Peter H van Tienderen, M Eric Schranz
No abstract text is available yet for this article.
February 16, 2017: Journal of Heredity
Alexander Ochoa, David P Onorato, Robert R Fitak, Melody E Roelke-Parker, Melanie Culver
No abstract text is available yet for this article.
February 16, 2017: Journal of Heredity
Juliana Marcia Rogalski, Ademir Reis, Marcelo Rogalski, Tiago Montagna, Maurício Sedrez Dos Reis
No abstract text is available yet for this article.
February 12, 2017: Journal of Heredity
Chiyo Nohara, Atsuki Hiyama, Wataru Taira, Joji M Otaki
No abstract text is available yet for this article.
February 11, 2017: Journal of Heredity
Clarence Schmitt, Dany Garant, Kathy Doyon, Nicolas Bousquet, Luc Gaudreau, Marc Bélisle, Fanie Pelletier
No abstract text is available yet for this article.
February 10, 2017: Journal of Heredity
María José Sanín, Patricia Zapata, Jean-Christophe Pintaud, Gloria Galeano, Adriana Bohórquez, Joseph Tohme, Michael Møller Hansen
No abstract text is available yet for this article.
February 10, 2017: Journal of Heredity
Leandro A H Almeida, Lorena A Nunes, Jamille A Bitencourt, Wagner F Molina, Paulo R A M Affonso
No abstract text is available yet for this article.
February 9, 2017: Journal of Heredity
Bridgett vonHoldt, Elizabeth Heppenheimer, Vladimir Petrenko, Paula Croonquist, Linda Y Rutledge
No abstract text is available yet for this article.
February 9, 2017: Journal of Heredity
Soichi Osozawa, Fumiyasu Sato, John Wakabayashi
No abstract text is available yet for this article.
February 6, 2017: Journal of Heredity
Bill Murphy
No abstract text is available yet for this article.
May 1, 2017: Journal of Heredity
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