玉米穗腐病病原 Fusarium meridionale 的染色体水平全基因组序列和secondary matabolism 基因簇预测。

IF 0.8 4区 生物学 Q4 BIOTECHNOLOGY & APPLIED MICROBIOLOGY
Qing Du, Zhaolei Tang, Juegui Su, Shichu Li
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引用次数: 0

摘要

子囊镰刀菌是引起玉米穗腐病的病原菌之一,它产生的具有生物活性的次生代谢物可能会威胁人类的食品安全,然而,人们对其次生代谢物的产生机制及其与玉米穗的相互作用仍然知之甚少。为了促进相关研究,我们对 F. meridionale 菌株 JX18-4 的基因组进行了测序和组装。F. meridionale JX18-4 基因组大小为 37.11 Mbp,包括 4 个核染色体等位基因和 1 个线粒体等位基因,其中核染色体等位基因包含 11920 个编码基因。该基因组与参考基因组 F. graminearum 株 PH-1 之间的基因同源性为 95.64%。与之前报道的seconary代谢基因簇序列相比,预测JX18-4菌株可能产生8个基因簇,包括新戊烯醇、玉米赤霉烯酮、呋喃菌素、镰刀菌素、镰刀菌素A、镰刀菌素、镰刀菌素和丁烯内酯。本研究旨在揭示次生代谢物产生的分子机制,而 JX18-4 的基因组信息将为生物防治机制和植物与微生物相互作用的研究提供资源。
本文章由计算机程序翻译,如有差异,请以英文原文为准。
The chromosome level whole genome sequence and the seconary matabolism gene cluster prediction of Fusarium meridionale, the pathogen causing maize ear rot.

Fusarium meridionale is one of the pathogens causing maize ear rot, it produce bioactive secondary metabolites may threaten humans food safty, however, the production mechanism of the secondary metabolites and their interaction with maize ear remains poorly understood. To facilitate related studies, we sequenced and assembled the genome of F. meridionale strain JX18-4. The size of F. meridionale JX18-4 genome is 37.11 Mbp, include four nuclear chromosome contigs that consists of 11920 coding genes and one mitochondrial contig. 95.64% gene synteny collinearity was found between the assembly and the reference genomes F. graminearum strain PH-1. Compared to the sequences of seconary matabolism gene clusters sequences reported previously, the stain JX18-4 was predicted potential producing 8 clusters, including nivalenol, zearalenone, aurofusarin, fusarielin, fusaristatin A, fusarin, fusarubin and butenolide. This study aims to reveal the molecular mechanism of secondary metabolites producing, and the genomic information of JX18-4 will provide resources for the study of biological control mechanisms and plant-microbe interactions.

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来源期刊
Journal of General and Applied Microbiology
Journal of General and Applied Microbiology 生物-生物工程与应用微生物
CiteScore
2.40
自引率
0.00%
发文量
42
审稿时长
6-12 weeks
期刊介绍: JGAM is going to publish scientific reports containing novel and significant microbiological findings, which are mainly devoted to the following categories: Antibiotics and Secondary Metabolites; Biotechnology and Metabolic Engineering; Developmental Microbiology; Environmental Microbiology and Bioremediation; Enzymology; Eukaryotic Microbiology; Evolution and Phylogenetics; Genome Integrity and Plasticity; Microalgae and Photosynthesis; Microbiology for Food; Molecular Genetics; Physiology and Cell Surface; Synthetic and Systems Microbiology.
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