The root endophytic fungus Heteroconium chaetospira was isolated from roots of Chinese cabbage grown in field soil in Japan. This fungus penetrates through the outer epidermal cells of its host, passes into the inner cortex, and grows throughout the cortical cells, including those of the root tip region, without causing apparent pathogenic symptoms. There are no ultrastructural signs of host resistance responses. H. chaetospira has been recovered from 19 plant species in which there was no disruption of host growth. H. chaetospira has a symbiotic association with Chinese cabbage. The fungus provides nitrogen in exchange for carbon. These associations are beneficial for the inoculated plants, as demonstrated by increased growth rate. When used as a preinoculum, H. chaetospira suppresses the incidence of clubroot and Verticillium yellows when the test plant is post-inoculated with the causal agents of these diseases. H. chaetospira is an effective biocontrol agent against clubroot in Chinese cabbage at a low to moderate soil moisture range and a pathogen resting spore density of 105 resting spores per gram of soil in situ. Disease caused by Pseudomonas syringae pv. macricola and Alternaria brassicae on leaves can be suppressed by treatment with H. chaetospira. The fungus persists in the roots and induces systemic resistance to the foliar disease.

Teruyoshi Hashiba

Kazuhiko Narisawa

FEMS Microbiology Letters

FEMS MICROBIOLOGY LETTERS 优先考虑因其原创性、普遍兴趣和对微生物学新发展的贡献而值得快速发表的简洁论文。涵盖了微生物学的所有方面，包括病毒学。 2019年影响因子：1.987，JOURNAL CITATION REPORTS（来源科睿唯安，2020）排名：98/135（微生物学）该杂志分为八个版块：生理学和生物化学（包括遗传学、分子生物学和‘组学’研究）食品微生物学（来自食品生产和生物技术以防止腐败和食源性病原体）生物技术和合成生物学病原体和病原体（包括医学、兽医、植物和昆虫病原体——特别是与食品安全相关的病原体——病毒除外）环境微生物学（包括生态生理学、生态基因组学和元-组学研究）病毒学（感染任何生物体的病毒，包括细菌和古生菌）分类学和系统学（用于出版新的分类群、分类学重新分类和分类学性质的评论）专业发展（包括教育、培训、CPD、研究评估框架、研究和出版指标、最佳实践、职业和微生物学历史）如果你是不确定哪个部分最适合您的手稿，例如在跨学科研究的情况下，我们建议您在提交前通过电子邮件联系主编。我们的范围包括任何类型的微生物——细菌和古细菌的所有成员以及真核生物的微生物成员（酵母、丝状真菌、微生物藻类、原生动物、卵菌、粘菌等）以及所有病毒。

FEMS Microbiology Letters prioritizes concise papers that are worthy of rapid publication due to their originality, broad interest, and contributions to new developments in microbiology. The journal covers all aspects of microbiology, including virology. The impact factor for 2019 was 1.987, and it ranked 98/135 in microbiology according to the JOURNAL CITATION REPORTS (source: Clarivate, 2020). The journal is divided into eight sections: Physiology and Biochemistry (including genetics, molecular biology, and 'omics' studies), Food Microbiology (related to food production and biotechnology to prevent spoilage and foodborne pathogens), Biotechnology and Synthetic Biology, Pathogens and Pathogenics (including medical, veterinary, plant, and insect pathogens, particularly those related to food safety, excluding viruses), Environmental Microbiology (including ecological physiology, ecological genomics, and meta-omics studies), Virology (viruses infecting any living organism, including bacteria and archaea), Taxonomy and Systematics (for publishing new taxa, taxonomic reclassifications, and reviews on taxonomic properties), and Professional Development (including education, training, CPD, research assessment frameworks, research and publication metrics, best practices, career development, and the history of microbiology). If you are unsure which section is most suitable for your manuscript, especially in the case of interdisciplinary research, we recommend contacting the editor-in-chief via email before submission. Our scope includes any type of microorganism—members of both bacteria and archaea, as well as microbial members of eukaryotes (yeasts, filamentous fungi, microalgae, protozoa, slime molds, etc.) and all viruses.

FEMS Microbiology Letters 优先考虑那些因其原创性、普遍兴趣和对微生物学新发展的贡献而值得快速发表的简洁论文。该期刊涵盖微生物学的所有领域，包括病毒学。2019年影响因子为1.987，JOURNAL CITATION REPORTS（来源于科睿唯安，2020）排名：98/135（微生物学）。期刊分为八个部分：生理学和生物化学（包括遗传学、分子生物学和组学研究）、食品微生物学（涉及食品生产和生物技术，以防止腐败和食源性病原体）、生物技术和合成生物学、病原体和病原体（包括医学、兽医、植物和昆虫病原体，特别是与食品安全相关的病原体，病毒除外）、环境微生物学（包括生态生理学、生态基因组学和元组学研究）、病毒学（感染任何生物体的病毒，包括细菌和古生菌）、分类学和系统学（用于发布新的分类群、分类学重新分类和分类学性质的评论）、专业发展（包括教育、培训、持续专业发展、研究评估框架、研究和出版指标、最佳实践、职业发展和微生物学历史）。如果您不确定哪个部分最适合您的手稿，特别是在跨学科研究的情况下，我们建议您在提交前通过电子邮件联系主编。我们的范围包括任何类型的微生物——细菌和古细菌的所有成员，以及真核生物的微生物成员（如酵母、丝状真菌、微藻、原生动物、卵菌、粘菌等）以及所有病毒。

The development and endophytic nature of the fungus<i>Heteroconium chaetospira</i>

The root endophytic fungus Heteroconium chaetospira was isolated from roots of Chinese cabbage grown in field soil in Japan and has a symbiotic association with Chinese cabbage, which induces systemic resistance to the foliar disease.

Category	Quartile
生物学	4
生物学, 微生物学	4

The development and endophytic nature of the fungusHeteroconium chaetospira

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