Leaf surface microbiota transplantation confers resistance to the coffee leaf rust in susceptible Coffea arabica

IF 3.5 3区 生物学 Q2 MICROBIOLOGY FEMS microbiology ecology Pub Date : 2024-04-11 DOI:10.1093/femsec/fiae049
Leandro Pio de Sousa, Jorge Maurício Costa Mondego
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Abstract

Coffee leaf rust, caused by the fungus Hemileia vastatrix, became a major concern for coffee-producing countries. Additionally, there is an increase in the resistance of certain races of the fungus to fungicides and breeding cultivars, making producers to use alternative control methods. In this work, we transplanted the leaf surface microbiota of rust-resistant coffee species (Coffea racemosa and Coffea stenophylla) to Coffea arabica and tested whether the new microbiota would be able to minimize the damage caused by H. vastatrix. It was seen that the transplant was successful in controlling rust, especially from C. stenophylla, but the protection depended on the concentration of the microbiota. Certain fungi such as Acrocalymma, Bipolaris, Didymella, Nigrospora, Setophaeosphaeria, Simplicillium, Stagonospora, Torula and bacteria such as Chryseobacterium, Sphingobium and especially Enterobacter and have their populations increased and may be related to the antagonism seen against H. vastatrix. Interestingly, relative population of bacteria from genera Pantoea, Methylobacterium and Sphingomonas decreased after transplant, suggesting a positive interaction between them and H. vastatrix development. Our findings may help to better understand the role of the microbiota in coffee leaf rust as well as help to optimize the development of biocontrol agents.
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叶面微生物群移植使易感的阿拉伯咖啡豆对咖啡叶锈病产生抗性
由真菌 Hemileia vastatrix 引起的咖啡叶锈病已成为咖啡生产国关注的主要问题。此外,某些菌种对杀真菌剂和育种品种的抗性也在增加,这使得生产者不得不使用其他控制方法。在这项工作中,我们将抗锈病咖啡品种(Coffea racemosa 和 Coffea stenophylla)的叶面微生物群移植到阿拉伯咖啡中,并测试了新的微生物群是否能将 H. vastatrix 造成的损害降到最低。结果表明,移植成功地控制了锈病,尤其是来自 C. stenophylla 的锈病,但保护效果取决于微生物群的浓度。某些真菌(如 Acrocalymma、Bipolaris、Didymella、Nigrospora、Setophaeosphaeria、Simplicillium、Stagonospora、Torula)和细菌(如 Chryseobacterium、Sphingobium,尤其是 Enterobacter)的数量有所增加,这可能与大锈菌的拮抗作用有关。有趣的是,泛变形菌属、甲基杆菌属和鞘氨单胞菌属细菌的相对数量在移植后有所减少,这表明它们与巨大芽胞杆菌的发展之间存在积极的相互作用。我们的研究结果可能有助于更好地了解微生物群在咖啡叶锈病中的作用,并有助于优化生物控制剂的开发。
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来源期刊
FEMS microbiology ecology
FEMS microbiology ecology 生物-微生物学
CiteScore
7.50
自引率
2.40%
发文量
132
审稿时长
3 months
期刊介绍: FEMS Microbiology Ecology aims to ensure efficient publication of high-quality papers that are original and provide a significant contribution to the understanding of microbial ecology. The journal contains Research Articles and MiniReviews on fundamental aspects of the ecology of microorganisms in natural soil, aquatic and atmospheric habitats, including extreme environments, and in artificial or managed environments. Research papers on pure cultures and in the areas of plant pathology and medical, food or veterinary microbiology will be published where they provide valuable generic information on microbial ecology. Papers can deal with culturable and non-culturable forms of any type of microorganism: bacteria, archaea, filamentous fungi, yeasts, protozoa, cyanobacteria, algae or viruses. In addition, the journal will publish Perspectives, Current Opinion and Controversy Articles, Commentaries and Letters to the Editor on topical issues in microbial ecology. - Application of ecological theory to microbial ecology - Interactions and signalling between microorganisms and with plants and animals - Interactions between microorganisms and their physicochemical enviornment - Microbial aspects of biogeochemical cycles and processes - Microbial community ecology - Phylogenetic and functional diversity of microbial communities - Evolutionary biology of microorganisms
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