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The first genome sequence of Phomopsis vexans: a fungal pathogen causing Phomopsis blight in eggplant

文献类型： 外文期刊

作者： Heng, Zhou 1 ; You, Qian 1 ; Li, Zhiliang 1 ; Sun, Baojuan 1 ; Xu, Xiaowan 1 ; Li, Ying 1 ; Li, Zhenxing 1 ; Wang, Hengming 1 ; Gong, Chao 1 ; Xu, Xiaomei 1 ; Li, Tao 1 ;

作者机构： 1.Guangdong Acad Agr Sci, Vegetable Res Inst, Guangdong Key Lab New Technol Res Vegetables, 66 Rd Jinying,St Wushan, Guangzhou 510640, Guangdong, Peoples R China

关键词： Genome; Phomopsis vexans; Phomopsis blight; Nanopore; Eggplant; Repetitive elements; Phylogenetic tree

期刊名称：BIOLOGIA （ 影响因子：1.653； 五年影响因子：1.532 ）

ISSN： 0006-3088

年卷期：

页码：

收录情况： SCI

摘要： Phomopsis vexans is a phytopathogenic fungus that causes Phomopsis blight in eggplant, one of the major issues limiting eggplant production. In this study, the genome of a P. vexans isolate PV4 was sequenced for the first time and assembled through Illumina and Nanopore sequencing, generating 7.28 gigabase (Gb) clean data. The genome size of P. vexans is about 59.78 Mb, with 51.24% GC content, 26 contigs, and an N50 contig length of 4.93 Mb. The integrity of this genome was 97.59% as evaluated by BUSCO v2.0. A total of 15,034 protein-coding genes, 2.89 Mb (4.84%) annotated repetitive elements, and 305 non-coding RNAs were identified. The Carbohydrate-Active enZYmes (CAZy) database was used to annotate 1,206 genes. Moreover, 134 effector proteins were predicted. A homology search and phylogenetic analysis showed that P. vexans is evolutionarily closer to Diaporthe helianthi than to Diaporthe ampelina but displays different synteny from both of them. Overall, we believe that this genome will serve as an important resource for studies on the pathogenesis of P. vexans.

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