Climate change impacts on plant pathogens, food security and paths forward

Nature Reviews Microbiology, Год журнала: 2023, Номер 21(10), С. 640 - 656

Опубликована: Май 2, 2023

Язык: Английский

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Soil microbiota as game-changers in restoration of degraded lands

Science, Год журнала: 2022, Номер 375(6584)

Опубликована: Март 3, 2022

Land degradation reduces soil functioning and, consequently, the services that provides. Soil hydrological functions are critical to combat and promote restoration. microorganisms affect hydrology, but role of microbiota in forming sustaining is not well explored. Case studies indicate potential as game-changers restoring functions. We review state art microorganism use land restoration technology, groups with greatest for restoration, knowledge effect on physical properties, proposed strategies long-term degraded lands. also emphasize need advance emerging research field biophysical landscape interactions support soil-plant ecosystem practices.

Язык: Английский

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Harnessing the microbiome to prevent global biodiversity loss

Nature Microbiology, Год журнала: 2022, Номер 7(11), С. 1726 - 1735

Опубликована: Июль 21, 2022

Язык: Английский

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The phyllosphere microbiome shifts toward combating melanose pathogen

Microbiome, Год журнала: 2022, Номер 10(1)

Опубликована: Апрель 2, 2022

Plants can recruit beneficial microbes to enhance their ability defend against pathogens. However, in contrast the intensively studied roles of rhizosphere microbiome suppressing plant pathogens, collective community-level change and effect phyllosphere response pathogen invasion remains largely elusive.Here, we integrated 16S metabarcoding, shotgun metagenomics culture-dependent methods systematically investigate changes between infected uninfected citrus leaves by Diaporthe citri, a fungal causing melanose disease worldwide. Multiple features suggested shift upon D. citri infection, highlighted marked reduction community evenness, emergence large numbers new microbes, intense microbial network. We also identified from functional perspectives leaves, such as enriched functions for iron competition potential antifungal traits, with genomic characteristics. Glasshouse experiments demonstrated that several bacteria associated could positively affect performance under challenge, reductions index ranging 65.7 88.4%. Among them, Pantoea asv90 Methylobacterium asv41 "recruited microbes" exhibited antagonistic activities both vitro vivo, including inhibition spore germination and/or mycelium growth. Sphingomonas spp. presented characteristics were found be main contributor enrichment complex outer membrane receptor protein leaves. Moreover, asv20 showed stronger suppression iron-deficient conditions than iron-sufficient conditions, suggesting role during action.Overall, our study revealed how microbiomes differed pathogen, mechanisms observed might have helped plants cope pressure. Our findings provide novel insights into understanding responses challenge. Video abstract.

Язык: Английский

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pH-Responsive On-Demand Alkaloids Release from Core–Shell ZnO@ZIF-8 Nanosphere for Synergistic Control of Bacterial Wilt Disease

ACS Nano, Год журнала: 2022, Номер 16(2), С. 2762 - 2773

Опубликована: Фев. 9, 2022

Developing an effective and safe technology to control severe bacterial diseases in agriculture has attracted significant attention. Here, ZnO nanosphere ZIF-8 are employed as core shell, respectively, then a pH-responsive core-shell nanocarrier (ZnO-Z) was prepared by situ crystal growth strategy. The bactericide berberine (Ber) further loaded form Ber-loaded ZnO-Z (Ber@ZnO-Z) for of tomato wilt disease. Results demonstrated that Ber@ZnO-Z could release Ber rapidly acidic environment, which corresponded the pH soil where disease often outbreak. In vitro experiments showed antibacterial activity about 4.5 times 1.8 higher than ZnO-Z, respectively. It because induce ROS generation, resulting DNA damage, cytoplasm leakage, membrane permeability changes so released without penetrability more easily penetrated bacteria achieve efficient synergistic bactericidal effect with carriers after combining DNA. Pot also significantly reduced severity index 45.8% on day 14 inoculation, compared 94.4% commercial aqueous solution. More importantly, did not accumulate aboveground parts plants affect plant short period. This work provides guidance soil-borne development sustainable agriculture.

Язык: Английский

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Microbiome Modulation—Toward a Better Understanding of Plant Microbiome Response to Microbial Inoculants

Frontiers in Microbiology, Год журнала: 2021, Номер 12

Опубликована: Апрель 8, 2021

Plant-associated microorganisms are involved in important functions related to growth, performance and health of their hosts. Understanding modes action is for the design promising microbial inoculants sustainable agriculture. able interact with hosts often exert specific toward potential pathogens; underlying vitro interactions well studied. In contrast, situ effects inoculants, especially impact on plant indigenous microbiome was mostly neglected so far. Recently, research has revolutionized our understanding plants as coevolved holobionts but also microbiome-inoculant interactions. Here we disentangle point out following types modulations: (i) transient shifts, (ii) stabilization or increase diversity, (iii) evenness, (iv) restoration a dysbiosis/compensation reduction pathogen-induced shift, (v) targeted shifts beneficial members microbiota, (vi) suppression pathogens. Therefore, suggest modulations novel efficient mode that can be mediated via plant.

Язык: Английский

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Seed microbiota revealed by a large‐scale meta‐analysis including 50 plant species

New Phytologist, Год журнала: 2022, Номер 234(4), С. 1448 - 1463

Опубликована: Фев. 17, 2022

Seed microbiota constitutes a primary inoculum for plants that is gaining attention owing to its role plant health and productivity. Here, we performed meta-analysis on 63 seed studies covering 50 species synthesize knowledge the diversity of this habitat. are diverse extremely variable, with taxa richness varying from one thousands taxa. Hence, presents variable (i.e. flexible) microbial fraction but also identified stable core) across samples. Around 30 bacterial fungal present in most samples all over world. Core taxa, such as Pantoea agglomerans, Pseudomonas viridiflava, P. fluorescens, Cladosporium perangustum Alternaria sp., dominant The characterization core flexible provided here will help uncover roles design effective microbiome engineering.

Язык: Английский

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From seed to seed: the role of microbial inheritance in the assembly of the plant microbiome

Trends in Microbiology, Год журнала: 2022, Номер 31(4), С. 346 - 355

Опубликована: Дек. 5, 2022

Despite evidence that the microbiome extends host genetic and phenotypic traits, information on how is transmitted maintained across generations remains fragmented. For seed-bearing plants, seeds harbor a distinct play unique role by linking one generation to next. Studies microbial inheritance, process we suggest including both vertical transmission subsequent migration of seed microorganisms new plant, thus become essential for our understanding evolutionary potential host–microbiome coevolution. We propose dividing inheritance into three stages: (i) plant seed, (ii) dormancy, (iii) seedling. discuss factors affecting assembly during stages, highlight future research directions, emphasize implications fundamental science society.

Язык: Английский

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Small changes in rhizosphere microbiome composition predict disease outcomes earlier than pathogen density variations

The ISME Journal, Год журнала: 2022, Номер 16(10), С. 2448 - 2456

Опубликована: Июль 22, 2022

Abstract Even in homogeneous conditions, plants facing a soilborne pathogen tend to show binary outcome with individuals either remaining fully healthy or developing severe lethal disease symptoms. As the rhizosphere microbiome is major determinant of plant health, we postulated that such may result from an early divergence assembly further cascade into varying suppression abilities. We tested this hypothesis by setting up longitudinal study tomato growing natural but homogenized soil infested bacterial Ralstonia solanacearum. Starting originally identical species pool, individual compositions rapidly diverged multiple configurations during vegetative growth. This variation community composition was strongly associated later development fruiting state. Most interestingly, these patterns also significantly predicted outcomes 2 weeks before any difference density became apparent between and diseased groups. In system, total 135 OTUs were persistent plants. Five enriched (Lysinibacillus, Pseudarthrobacter, Bordetella, Bacillus, Chryseobacterium) isolated shown reduce severity 30.4–100% when co-introduced pathogen. Overall, our results demonstrated initially can diverge microbiomes their ability promote protection. suggests life interventions have significant effects on states, highlights exciting opportunity for diagnostics prevention.

Язык: Английский

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Bioengineered chitosan-iron nanocomposite controls bacterial leaf blight disease by modulating plant defense response and nutritional status of rice (Oryza sativa L.)

Nano Today, Год журнала: 2022, Номер 45, С. 101547 - 101547

Опубликована: Июль 5, 2022

Язык: Английский

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