Genetic diversity and population structure of Castanopsis eyrei based on simple sequence repeat markers.

Mao, L H; Zhou, X L; Fang, Y M

Mao, L H; Zhou, X L; Fang, Y M.

Afiliação

Mao LH; Collaborative Innovation Center for Southern Modern Forestry, Nanjing Forestry University, Nanjing, China.
Zhou XL; College of Biology and the Environment, Nanjing Forestry University, Nanjing, China.
Fang YM; Collaborative Innovation Center for Southern Modern Forestry, Nanjing Forestry University, Nanjing, China.

Genet Mol Res ; 15(2)2016 May 09.

Article em En | MEDLINE | ID: mdl-27173332

RESUMO

Castanopsis eyrei (Fagaceae) is one of the dominant tree species in mid-subtropical, evergreen, broad-leaved forests. We obtained 14 pairs of simple sequence repeat (SSR) primers from previous studies, which were used to analyze 90 C. eyrei individuals from three populations at different altitudes. Low heterozygosity was detected (Fis = 0.6124), and the observed heterozygosity was lower than the expected heterozygosity, possibly because of inbreeding and/or the population substructure. The genetic differentiation between populations was relatively low (Fst = 0.0645); only 7% of the total genetic variation occurred between populations. The medium-altitude population had higher genetic diversity than the low-altitude or high-altitude populations.

Assuntos

Fagaceae/genética; Repetições de Microssatélites; Árvores/genética; Altitude; Florestas; Heterogeneidade Genética; Variação Genética; Microclima; Folhas de Planta/genética

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Texto completo: 1 Coleções: 01-internacional Base de dados: MEDLINE Assunto principal: Árvores / Repetições de Microssatélites / Fagaceae Idioma: En Revista: Genet Mol Res Assunto da revista: BIOLOGIA MOLECULAR / GENETICA Ano de publicação: 2016 Tipo de documento: Article País de afiliação: China País de publicação: Brasil

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