DNA barcoding and molecular evolution of mosquito vectors of medical and veterinary importance
文献类型: 外文期刊
作者: Murugan, Kadarkarai 1 ; Vadivalagan, Chithravel 1 ; Karthika, Pushparaj 2 ; Panneerselvam, Chellasamy 1 ; Paulpa 1 ;
作者机构: 1.Bharathiar Univ, Sch Life Sci, Dept Zool, Div Entomol, Coimbatore 641046, Tamil Nadu, India
2.Avinashilingam Inst Home Sci & Higher Educ Women, Dept Zool, Coimbatore 641043, Tamil Nadu, India
3.Fujian Acad Agr Sci, Inst Plant Protect, Fuzhou 350013, Fujian, Peoples R China
4.Univ Tabuk, Fac Sci, Dept Biol, Tabuk 71491, Saudi Arabia
5.King Saud Univ, Dept Phys & Astron, Riyadh, Saudi Arabia
6.Univ Roma La Sapienza, Dept Environm Biol, Piazzale Aldo Moro 5, I-00185 Rome, Italy
7.Ctr Res Med Entomol, Madurai, Tamil Nadu, India
8.Texas A&M Univ Syst, Agri Life Res & Extens Ctr, Lubbock, TX 79403 US
关键词: Anopheles;Aedes;Culex;CO1;Molecular ecology;Phylogeny;Arbovirus;Malaria;Dengue;Mosquito-borne diseases
期刊名称:PARASITOLOGY RESEARCH ( 影响因子:2.289; 五年影响因子:2.403 )
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收录情况: SCI
摘要: Mosquitoes (Diptera: Culicidae) are a key threat for millions of people worldwide, since they act as vectors for devastating pathogens and parasites. The standard method of utilisation of morphological characters becomes challenging due to various factors such as phenotypical variations. We explored the complementary approach of CO1 gene-based identification, analysing ten species of mosquito vectors belonging to three genera, Aedes, Culex and Anopheles from India. Analysed nucleotide sequences were found without pseudo genes and indels; they match with high similarity in nucleotide Basic Local Alignment Search Tool (BLASTn) search. The partial CO1 sequence of Anopheles niligricus was the first time record submitted to National Center for Biotechnology Information (NCBI). Mean intra-and interspecies divergence was found to be 1.30 and 3.83 %, respectively. The congeneric divergence was three times higher than the conspecifics. Deep intraspecific divergence was noted in three of the species, and the reason could be explained more accurately in the future by improving the sample size across different locations. The transitional and transversional substitutions were tested individually. Ts and Tv substitutions in all the 1st, 2nd and 3rd codons were estimated to be (0.44, 99.51), (40.35, 59.66) and (59.16, 40.84), respectively. Saturation of the sequences was resolved, since both the Ts and Tv exhibited a linear relationship suggesting that the sequences were not saturated. NJ and ML tree analysis showed that the individuals of the same species clustered together based on the CO1 sequence similarity, regardless of their collection site and geographic location. Overall, this study adds basic knowledge to molecular evolution of mosquito vectors of medical and veterinary importance and may be useful to improve biotechnological tools employed in Culicidae control programmes.
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