Pathogenic Adaptations Revealed by Comparative Genome Analyses of TwoColletotrichumspp., the Causal Agent of Anthracnose in Rubber Tree
文献类型： 外文期刊
作者： Liu, Xianbao 1 ; Li, Boxun 1 ; Yang, Yang 1 ; Cai, Jimiao 1 ; Shi, Tao 1 ; Zheng, Xiaolan 1 ; Huang, Guixiu 1 ;
作者机构： 1.Chinese Acad Trop Agr Sci CATAS, Key Lab Monitoring & Control Trop Agr Pests, Key Lab Integrated Pest Management Trop Crops, Minist Agr,Environm & Plant Protect Inst, Haikou, Hainan, Peoples R China
关键词： cell wall degrading enzymes; Colletotrichum; genome; Hevea brasiliensis; necrosis; and ethylene; inducing peptides; secondary metabolites associated genes; symptoms
期刊名称：FRONTIERS IN MICROBIOLOGY （ 影响因子：5.64； 五年影响因子：6.32 ）
ISSN： 1664-302X
年卷期： 2020 年 11 卷
页码：
收录情况： SCI
摘要： Colletotrichum siamenseandColletotrichum australisinensecauseColletotrichumleaf disease that differ in their symptoms in rubber tree (Hevea brasiliensis), and pathogenicity of these two fungal species is also not identical on different cultivars of rubber tree. This divergence is often attributed to pathogen virulence factors, namely carbohydrate-active enzymes (CAZymes), secondary metabolites (SM), and small-secreted protein (SSP) effectors. The draft genome assembly and functional annotation of potential pathogenicity genes of both species obtained here provide an important and timely genomic resource for better understanding the biology and lifestyle ofColletotrichumspp. This should pave the way for designing more efficient disease control strategies in plantations of rubber tree. In this study, the genes associated with these categories were manually annotated in the genomes ofC. australisinenseGX1655 andC. siamenseHBCG01. Comparative genomic analyses were performed to address the evolutionary relationships among these gene families in the two species. First, the size of genome assembly, number of predicted genes, and some of the functional categories differed significantly between the two congeners. Second, from the comparative genomic analyses, we identified some specific genes, certain higher abundance of gene families associated with CAZymes, CYP450, and SM in the genome ofC. siamense, and Nep1-like proteins (NLP) in the genome ofC. australisinense.
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