Unveiling Detoxifying Symbiosis and Dietary Influence on the Southern Green Shield Bug Microbiota.

IF 3.5 3区生物学 Q2 MICROBIOLOGY FEMS microbiology ecology Pub Date : 2024-11-07 DOI:10.1093/femsec/fiae150

Magda A Rogowska-van der Molen, Hristina V Savova, Elke A T Janssen, Theo van Alen, Silvia Coolen, Robert S Jansen, Cornelia U Welte

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引用次数: 0

Abstract

The Southern green shield bug, Nezara viridula, is an invasive piercing and sucking pest insect that feeds on crops and poses a threat to global food production. Insects live in close relationships with microorganisms providing their host with unique capabilities, such as resistance to toxic plant metabolites. In this study, we investigated the resistance to and detoxification of the plant metabolite 3-nitropropionic acid by core and transient members of the N. viridula microbial community. Microbial community members showed a different tolerance to the toxin and we determined that six out of eight strains detoxified 3-nitropropionic acid. Additionally, we determined that 3-nitropropionic acid might interfere with the biosynthesis and transport of L-leucine. Moreover, our study explored the influence of diet on the gut microbial composition of N. viridula, demonstrating that switching to a single-plant diet shifts the abundance of core microbes. In line with this, testing pairwise microbial interactions revealed that core microbiota members support each other and repress the growth of transient microorganisms. With this work, we provide novel insights into the factors shaping the insect gut microbial communities and demonstrate that N. viridula harbours many toxin-degrading bacteria that could support its resistance to plant defences.

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揭示解毒共生和饮食对南方绿盾蝽微生物群的影响

南方绿盾蝽是一种入侵性刺吸害虫，以农作物为食，对全球粮食生产构成威胁。昆虫与微生物关系密切，为宿主提供了独特的能力，如对有毒植物代谢物的抗性。在这项研究中，我们调查了病毒蛱蝶微生物群落核心成员和瞬时成员对植物代谢物 3-硝基丙酸的抗性和解毒能力。微生物群落成员对毒素的耐受性各不相同，我们确定八株菌株中有六株对 3-硝基丙酸进行了解毒。此外，我们还确定 3-硝基丙酸可能会干扰 L-亮氨酸的生物合成和运输。此外，我们的研究还探讨了饮食对病毒姬蛙肠道微生物组成的影响，结果表明，改吃单一植物的饮食会改变核心微生物的丰度。与此相一致的是，通过测试成对微生物的相互作用发现，核心微生物群成员之间相互支持，并抑制短暂微生物的生长。通过这项工作，我们对昆虫肠道微生物群落的形成因素有了新的认识，并证明了毒蝇科昆虫体内有许多降解毒素的细菌，可以支持其抵抗植物防御。

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来源期刊

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