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Ming-Shan WANG, Adeniyi C. ADEOLA, Yan LI, Ya-Ping ZHANG, Dong-Dong WU. 2015: Accelerated evolution of constraint elements for hematophagic adaptation in mosquitoes. 动物学研究, 36(6): 320-327. DOI: 10.13918/j.issn.ZoolRes.2015.6.320
引用本文: Ming-Shan WANG, Adeniyi C. ADEOLA, Yan LI, Ya-Ping ZHANG, Dong-Dong WU. 2015: Accelerated evolution of constraint elements for hematophagic adaptation in mosquitoes. 动物学研究, 36(6): 320-327. DOI: 10.13918/j.issn.ZoolRes.2015.6.320
Ming-Shan WANG, Adeniyi C. ADEOLA, Yan LI, Ya-Ping ZHANG, Dong-Dong WU. 2015: Accelerated evolution of constraint elements for hematophagic adaptation in mosquitoes. Zoological Research, 36(6): 320-327. DOI: 10.13918/j.issn.ZoolRes.2015.6.320
Citation: Ming-Shan WANG, Adeniyi C. ADEOLA, Yan LI, Ya-Ping ZHANG, Dong-Dong WU. 2015: Accelerated evolution of constraint elements for hematophagic adaptation in mosquitoes. Zoological Research, 36(6): 320-327. DOI: 10.13918/j.issn.ZoolRes.2015.6.320

Accelerated evolution of constraint elements for hematophagic adaptation in mosquitoes

Accelerated evolution of constraint elements for hematophagic adaptation in mosquitoes

  • Abstract: Comparative genomics is a powerful approach that comprehensively interprets the genome. Herein, we performed whole genome comparative analysis of 16 Diptera genomes, including four mosquitoes and 12 Drosophilae. We found more than 540 000 constraint elements (CEs) in the Diptera genome, with the majority found in the intergenic, coding and intronic regions. Accelerated elements (AEs) identified in mosquitoes were mostly in the protein-coding regions (>93%), which differs from vertebrates in genomic distribution. Some genes functionally enriched in blood digestion, body temperature regulation and insecticide resistance showed rapid evolution not only in the lineage of the recent common ancestor of mosquitoes (RCAM), but also in some mosquito lineages. This may be associated with lineage-specific traits and/or adaptations in comparison with other insects. Our findings revealed that although universally fast evolution acted on biological systems in RCAM, such as hematophagy, same adaptations also appear to have occurred through distinct degrees of evolution in different mosquito species, enabling them to be successful blood feeders in different environments.

     

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