Genetic diversity and differentiation of natural populations of
Andrias davidianus
in Sichuan
Guizhou
Hubei
Shanxi and Henan was comprehensively determined using AFLP markers. Sixty individuals from five natural populations were used in AFLP analyses. Nine primer pairs in AFLP analyses produced 507 scorable bands
of which 354 were polymorphic. Three genetic diversity parameters: the percentage of polymorphic loci (69.82%)
the Shannons information index (0.362 9) and the Gene diversity (0.241 4) all indicated that
A. davidianus
was with substantial variation. High level of genetic diversity of
A. davidianus
agreed with its life history traits and geographical distribution. Most of genetic diversity resided within populations (97.94%) in AMOVA analyses. A low genetic differentiation was characterized by Фst (Фst = 0.021
P
<
0.001). In the UPGMA dendrogram based on the genetic distance
A. davidianus
populations were separated into two major clusters.
A. davidianus
was supposed to disperse southward from north with the salamander fossil proof.
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Related Author
LIU Li
ZHAO Huihong
YANG Huirong
ZHANG Heqian
XIAO Shibin
LI Guifeng
SUN Jijia
YANG Zituo
Related Institution
College of Animal Science, South China Agricultural University
College of Animal Science, South China Agricultural University∥Guangdong Provincial Key Laboratory of AgroAnimal Genomics and Molecular Breeding
Institute of Physiology and Ecology of Medicinal Plants, International Institute of Translational Medicine of Traditional Chinese Medicine, School of Chinese Materia Medica, Guangzhou University of Chinese Medicine
College of Oceanography and Environmental Science, Xiamen University