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Chromosome-level genome assembly of the greenhouse whitefly (Trialeurodes vaporariorum Westwood).
Molecular Ecology Resources ( IF 5.5 ) Pub Date : 2020-03-27 , DOI: 10.1111/1755-0998.13159
Wen Xie 1, 2 , Chao He 1 , Zhangjun Fei 2, 3 , Youjun Zhang 1
Affiliation  

The greenhouse whitefly, Trialeurodes vaporariorum Westwood, is an agricultural pest of global importance. Here we report a 787‐Mb high‐quality draft genome sequence of T. vaporariorum assembled from PacBio long reads and Hi‐C chromatin interaction maps, which has scaffold and contig N50 lengths of 70 Mb and 500 kb, respectively, and contains 18,275 protein‐coding genes. About 98.8% of the assembled contigs were placed onto the 11 T. vaporariorum chromosomes. Comparative genomic analysis reveals significantly expanded gene families such as aspartyl proteases in T. vaporariorum compared to Bemisia tabaci Mediterranean (MED) and Middle East‐Asia Minor 1 (MEAM1). Furthermore, the cytochrome CYP6 subfamily shows significant expansion in T. vaporariorum and several genes in this subfamily display developmental stage‐specific expression patterns. The high‐quality T. vaporariorum genome provides a valuable resource for research in a broad range of areas such as fundamental molecular ecology, insect–plant/insect–microorganism or virus interactions and pest resistance management.

中文翻译:

温室粉虱(Trialeurodes vaporariorum Westwood)的染色体水平基因组装配。

温室粉虱Trialeurodes vaporariorum Westwood是一种具有全球重要性的农业害虫。这里,我们报告的787-MB的高质量基因组序列草图温室白粉虱从PacBio组装长读取和Hi-C的染色质相互作用图,其具有支架和重叠群N50长度的70 MB和500 kb的,分别与含有18275蛋白编码基因。大约98.8%的组装重叠群被放置在11 T上。气相染色体。比较基因组分析揭示显著扩大基因家族如天冬氨酰蛋白酶在温室白粉虱相比烟粉虱地中海(MED)和中东小亚细亚1(MEAM1)。此外,细胞色素CYP6亚科的节目在显著扩张温室白粉虱和在该亚家族显示发育阶段特异性表达模式的几个基因。高质量的T. vaporariorum基因组为基础分子生态学,昆虫-植物/昆虫-微生物或病毒相互作用以及害虫抗性管理等广泛领域的研究提供了宝贵的资源。
更新日期:2020-03-27
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