Genetic diversity and geographic distribution of Bemisia tabaci species complex in Nepal

被引：7
作者：
Acharya, Rajendra [1 ]
Shrestha, Yam Kumar [2 ]
Sharma, Sushant Raj [3 ]
Lee, Kyeong-Yeoll [1 ,4 ,5 ]
机构：
[1] Kyungpook Natl Univ, Coll Agr & Life Sci, Div Appl Biosci, Daegu, South Korea
[2] Dept Agr, Hariharbhawan, Lalitpur, Nepal
[3] CIMMYT Int, South Asia Reg Off, Lalitpur, Nepal
[4] Kyungpook Natl Univ, Inst Plant Med, Daegu, South Korea
[5] Kyungpook Natl Univ, Inst Agr Sci & Technol, Daegu, South Korea
来源：
JOURNAL OF ASIA-PACIFIC ENTOMOLOGY | 2020年 / 23卷 / 02期
关键词：
Whitefly; Cryptic species; Genetic diversity; Phylogenetic relationship; HEMIPTERA ALEYRODIDAE COMPLEX; SUBSTITUTIONS; RESISTANCE; SOFTWARE; VIRUS; INDIA;
D O I：
10.1016/j.aspen.2020.03.014
中图分类号：
Q96 [昆虫学];
学科分类号：
摘要：
Bemisia tabaci species complex comprises at least 44 cryptic species worldwide. Here, we analyze the nucleotide sequences of mitochondrial cytochrome oxidase subunit 1 (COI) gene obtained from 76 samples of B. tabaci collected from 23 districts in Nepal. This is the first genetic and geographic study of B. tabaci species complex in Nepal. Our phylogenetic study identified the presence of three cryptic species-Asia I, Asia II 1, and Asia II 5-with high interspecific but low intraspecific variations. Among the three cryptic species, Asia II 5 was the most prevalent in Nepal, constituting 64.47% of all the sequenced samples. Based on haplotype network analysis of COI sequences, Asia II 1 was more genetically diversified than the other two cryptic species. Our results provided useful information on the genetic diversity and geographic distribution of B. tabaci in Nepal, which help monitor population changes of B. tabaci at cryptic species level and develop sustainable management strategies for its control.
引用
收藏
页码：509 / 515
页数：7
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