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21 results on '"Huang, Zuhao"'

8. Complete Mitochondrial Genome and Phylogenetic Analysis of Gruiformes and Charadriiformes

Author

Xu ZhiFeng, Huang ZuHao, Han YuQing, Ruan Lu-zhang, Ge Gang, Chen Peng, Zhu ChaoYing, Zhang Zhen, Sun GuangLong, and Zhao Dong-qin

Subjects
Mitochondrial DNA, Charadriiformes, biology, Phylogenetic tree, Phylogenetics, Evolutionary biology, Gruiformes, Animal Science and Zoology, Taxonomy (biology), biology.organism_classification, Gene, Genome
Published
2020

21. Genetic differentiation of the oriental rat flea, <italic>Xenopsylla cheopis</italic>, from two sympatric host species.

Author

Zhao, Fang, Zhang, Tongzuo, Su, Jianping, Huang, Zuhao, Wu, Aiguo, and Lin, Gonghua

Subjects
ORIENTAL rat flea, DISEASE vectors, NUCLEOTIDE sequence, GENETIC speciation, COMMUNICABLE diseases
Abstract

Background: The oriental rat flea (Xenopsylla cheopis), which infests several mammals, primarily rats (Rattus spp.), is the most notorious vector of human plague. In this study, we measured the genetic differentiation among populations of fleas from the Asian house rat (Rattus tanezumi) and the brown rat (R. norvegicus) using microsatellite markers in order to investigate the extent of host-switching in this parasite. Results: We developed 11 polymorphic microsatellite loci for our study, nine of which showed high potential for inbreeding. AMOVA showed that the majority (84.07%, P < 0.001) of the variation was derived from within populations, followed by variation among groups (14.96%, P < 0.001); in contrast, variation within groups of populations was nearly absent (0.97%, P > 0.05). Analyses of the pairwise fixation index revealed that most of the ten allopatric population pairs but none of the five sympatric population pairs were significantly differentiated. Moreover, based on genetic structure clustering analysis, there was obvious differentiation between allopatric populations but not between sympatric population pairs. Conclusions: These results indicate the presence of frequent migrations of the oriental rat flea between the sympatric Asian house rat and brown rat, causing a high rate of gene flow and limited genetic differentiation. We suggest that there is no clear boundary limiting the migration of oriental rat fleas between the two hosts, and thus both rat species should be monitored equally for the purposes of plague prevention and control. [ABSTRACT FROM AUTHOR]

Published
2018
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