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Genome sequencing of the sweetpotato whitefly Bemsia tabaci MED/Q

Genome sequencing of the sweetpotato whitefly Bemsia tabaci MED/Q

Xie, Wen, Chen, Chunhai, Yang, Zezhong, Guo, Litao, Yang, Xin, Wang, Dan, Chen, Ming, Huang, Jinqun, Wen, Yanan, Zeng, Yang, Lui, Yating, Xia, Jixing, Tian, Lixia, Cui, Hongying, Wu, Qingjun, Wang, Shaoli, Xu, Baoyun, Li, Xianchun, Tan, Xinqiu, Ghanim, Murad, Qiu, Baoli, Pan, Huipeng, Chu, Dong, Delatte, Helene, Maruthi, M.N. ORCID: 0000-0002-8060-866X, Ge, Feng, Zhou, Xueping, Wang, Xiaowei, Wan, Fanghao, Du, Yuzhou, Luo, Chen, Yan, Fengming, Preisser, Evan L., Jiao, Xiaguo, Coates, Brad S., Zhao, Yinyang, Gao, Qiang, Xia, Jinquan, Yin, Ye, Liu, Yong, Brown, Judith K., Zhou, Xuguo Joe and Zhang, Youjun (2017) Genome sequencing of the sweetpotato whitefly Bemsia tabaci MED/Q. GigaScience, 6 (5). pp. 1-7. ISSN 2041-1723 (doi:

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The whitefly Bemisia tabaci sibling species (cryptic) group contains invasive haplotypes that have increased in importance to irrigated, agricultural cropping systems owing to feeding damage and diseases caused by the plant viruses they transmit. Here, we present a draft 658 Mb genome and a set of 20,786 protein-coding genes for the B. tabaci Q1 that is invasive in certain parts of China (BtQ1-China), despite its extant endemism in the Mediterranean Basin and adjacent locales. In particular, BtQ1-China metabolism genes show expansion, and co-partitioning of amino acid synthesis with its endosymbionts in a manner distinct from previously studied hemipteran systems. Notable genomic features of BtQ1 are reduced immune signaling pathway components, tandemly arranged antimicrobial peptide-encoding genes, and adaptations that could lead to invasiveness. The BtQ1 whitefly draft genome sequence provides the first foundation for functional genomics research to elucidate the basis for polyphagy, virus-vector interactions, and biological invasion.

Item Type: Article
Additional Information: © The Author 2017. Published by Oxford University Press. This is an Open Access article distributed under the terms of the Creative Commons Attribution License (, which permits unrestricted reuse, distribution, and reproduction in any medium, provided the original work is properly cited.
Uncontrolled Keywords: Bemisia tabaci, Gene expansion, Gene family, Invasiveness, Virus vector, Crop pest
Subjects: S Agriculture > SB Plant culture
Faculty / School / Research Centre / Research Group: Faculty of Engineering & Science
Faculty of Engineering & Science > Natural Resources Institute
Faculty of Engineering & Science > Natural Resources Institute > Agricultural Biosecurity Research Group
Faculty of Engineering & Science > Natural Resources Institute > Agriculture, Health & Environment Department
Last Modified: 22 Apr 2020 14:10

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