Rhizosphere protists are key determinants of plant health DOI Creative Commons
Wu Xiong,

Yuqi Song,

Keming Yang

et al.

Microbiome, Journal Year: 2020, Volume and Issue: 8(1)

Published: March 3, 2020

Abstract Background Plant health is intimately influenced by the rhizosphere microbiome, a complex assembly of organisms that changes markedly across plant growth. However, most microbiome research has focused on fractions this particularly bacteria and fungi. It remains unknown how other microbial components, especially key predators—protists—are linked to health. Here, we investigated holistic including bacteria, eukaryotes (fungi protists), as well functional metabolism genes. We these communities genes throughout growth tomato plants either developed disease symptoms or remained healthy under field conditions. Results found pathogen dynamics best predicted protists. More specifically, microbial-feeding phagotrophic protists differed between later diseased at establishment. The relative abundance phagotrophs negatively correlated with growth, suggesting predator-prey interactions influence performance. Furthermore, likely shifted bacterial functioning enhancing pathogen-suppressing secondary metabolite involved in mitigating success. Conclusions illustrate importance top-down controllers propose perspective, protists, provides optimal next step predicting

Language: Английский

Sharing and community curation of mass spectrometry data with Global Natural Products Social Molecular Networking DOI Open Access
Mingxun Wang, Jeremy Carver, Vanessa V. Phelan

et al.

Nature Biotechnology, Journal Year: 2016, Volume and Issue: 34(8), P. 828 - 837

Published: Aug. 1, 2016

Language: Английский

Citations

3451
Plant–microbiome interactions: from community assembly to plant health DOI
Pankaj Trivedi, Jan E. Leach, Susannah G. Tringe

et al.

Nature Reviews Microbiology, Journal Year: 2020, Volume and Issue: 18(11), P. 607 - 621

Published: Aug. 12, 2020

Language: Английский

Citations

2325
Microbial interactions within the plant holobiont DOI Creative Commons
M. Amine Hassani, Paloma Durán, Stéphane Hacquard

et al.

Microbiome, Journal Year: 2018, Volume and Issue: 6(1)

Published: March 27, 2018

Since the colonization of land by ancestral plant lineages 450 million years ago, plants and their associated microbes have been interacting with each other, forming an assemblage species that is often referred to as a "holobiont." Selective pressure acting on holobiont components has likely shaped plant-associated microbial communities selected for host-adapted microorganisms impact fitness. However, high densities detected tissues, together fast generation time more ancient origin compared host, suggest microbe-microbe interactions are also important selective forces sculpting complex assemblages in phyllosphere, rhizosphere, endosphere compartments. Reductionist approaches conducted under laboratory conditions critical decipher strategies used specific cooperate compete within or outside tissues. Nonetheless, our understanding these shaping communities, along relevance host health natural context, remains sparse. Using examples obtained from reductionist community-level approaches, we discuss fundamental role (prokaryotes micro-eukaryotes) community structure health. We provide conceptual framework illustrating among microbiota members establishment maintenance host-microbial homeostasis.

Language: Английский

Citations

1080
Pathogen-induced activation of disease-suppressive functions in the endophytic root microbiome DOI Open Access
Víctor J. Carrión, Juan E. Pérez‐Jaramillo, Viviane Cordovez

et al.

Science, Journal Year: 2019, Volume and Issue: 366(6465), P. 606 - 612

Published: Oct. 31, 2019

Protecting plants from the inside out Some soils show a remarkable ability to suppress disease caused by plant pathogens, an that is attributed plant-associated microbiota. Carrión et al. investigated role of endophytes, intimate microbial community found within roots, in fungal suppression (see Perspective Tringe). The wilt fungus Rhizoctonia solani infects sugar beets, whereupon transcriptional analysis shows several bacterial endophyte species activate biosynthetic gene clusters cause suppression. These organisms produce antifungal effectors, including enzymes can digest cell walls, and secondary metabolites, phenazines, polyketides, siderophores, which may contribute phenotype. Science , this issue p. 606 ; see also 568

Language: Английский

Citations

797
Rhizosphere microbiome structure alters to enable wilt resistance in tomato DOI

Min-Jung Kwak,

Hyun Gi Kong, Kihyuck Choi

et al.

Nature Biotechnology, Journal Year: 2018, Volume and Issue: 36(11), P. 1100 - 1109

Published: Oct. 8, 2018

Language: Английский

Citations

686
Understanding and exploiting plant beneficial microbes DOI Creative Commons
Omri M. Finkel, Gabriel Castrillo, Sur Herrera Paredes

et al.

Current Opinion in Plant Biology, Journal Year: 2017, Volume and Issue: 38, P. 155 - 163

Published: June 14, 2017

After a century of incremental research, technological advances, coupled with need for sustainable crop yield increases, have reinvigorated the study beneficial plant-microbe interactions attention focused on how microbiomes alter plant phenotypes. We review recent advances in microbiome and describe potential applications increasing productivity. The phylogenetic diversity is increasingly well characterized, their functional becoming more accessible. Large culture collections are available controlled experimentation, to come. Genetic resources being brought bear questions function. expect that microbial amendments varying complexities will expose rules governing contributing growth promotion disease resistance, enabling agriculture.

Language: Английский

Citations

603
Ecology and Evolution of Plant Microbiomes DOI Open Access
Viviane Cordovez, Francisco Dini‐Andreote, Víctor J. Carrión

et al.

Annual Review of Microbiology, Journal Year: 2019, Volume and Issue: 73(1), P. 69 - 88

Published: May 15, 2019

Microorganisms colonizing plant surfaces and internal tissues provide a number of life-support functions for their host. Despite increasing recognition the vast functional capabilities microbiome, our understanding ecology evolution taxonomically hyperdiverse microbial communities is limited. Here, we review current knowledge genotypic phenotypic traits as well allogenic autogenic factors that shape microbiome composition functions. We give specific emphasis to impact domestication on assembly how insights into microbiomes wild relatives native habitats can contribute reinstate or enrich microorganisms with beneficial effects growth, development, health. Finally, introduce new concepts perspectives in research, particular community theory mechanistic framework unravel interplay distinct ecological processes-i.e., selection, dispersal, drift, diversification-that structure microbiome.

Language: Английский

Citations

514
Root exudates drive the soil-borne legacy of aboveground pathogen infection DOI Creative Commons
Jun Yuan, Zhao Jun, Tao Wen

et al.

Microbiome, Journal Year: 2018, Volume and Issue: 6(1)

Published: Sept. 12, 2018

Plants are capable of building up beneficial rhizosphere communities as is evidenced by disease-suppressive soils. However, it not known how and why soil bacterial impacted plant exposure to foliar pathogens if such responses might improve performance in the presence pathogen. Here, we conditioned growing multiple generations (five) Arabidopsis thaliana inoculated aboveground with Pseudomonas syringae pv tomato (Pst) same soil. We then examined a subsequent generation (sixth) grown pathogen-conditioned versus control-conditioned Moreover, assessed role altered root exudation profiles shaping microbiome infected plants.Plants showed increased levels jasmonic acid improved disease resistance. Illumina Miseq 16S rRNA gene tag sequencing revealed that both bulk were Pst infection. Infected plants exhibited significantly higher amino acids, nucleotides, long-chain organic acids (LCOAs) (C > 6) lower for sugars, alcohols, short-chain (SCOAs) ≤ 6). Interestingly, addition exogenous LCOA also elicited response.Collectively, our data suggest can recruit via modification patterns response benefit generations.

Language: Английский

Citations

486
Modulation of the Root Microbiome by Plant Molecules: The Basis for Targeted Disease Suppression and Plant Growth Promotion DOI Creative Commons
Alberto Pascale, Silvia Proietti, Iakovos S. Pantelides

et al.

Frontiers in Plant Science, Journal Year: 2020, Volume and Issue: 10

Published: Jan. 24, 2020

Plants host a mesmerizing diversity of microbes inside and around their roots, known as the microbiome. The microbiome is composed mostly fungi, bacteria, oomycetes, archaea that can be either pathogenic or beneficial for plant health fitness. To grow healthy, plants need to surveil soil niches roots detection microbes, in parallel maximize services nutrients uptake growth promotion. employ palette mechanisms modulate including structural modifications, exudation secondary metabolites coordinated action different defence responses. Here, we review current understanding on composition activity root how molecules shape structure root-associated microbial communities. Examples are given interactions occur rhizosphere between soilborne fungi. We also present some well-established examples harnessing highlight fitness by selecting Understanding manipulate aid design next-generation inoculants targeted disease suppression enhanced growth.

Language: Английский

Citations

477
Disease Suppressive Soils: New Insights from the Soil Microbiome DOI Creative Commons
Daniel C. Schlatter, Linda L. Kinkel, Linda S. Thomashow

et al.

Phytopathology, Journal Year: 2017, Volume and Issue: 107(11), P. 1284 - 1297

Published: June 26, 2017

Soils suppressive to soilborne pathogens have been identified worldwide for almost 60 years and attributed mainly or antagonistic microorganisms. Rather than identifying, testing applying potential biocontrol agents in an inundative fashion, research into soils has attempted understand how indigenous microbiomes can reduce disease, even the presence of pathogen, susceptible host, favorable environment. Recent advances next-generation sequencing provided new tools reexamine further characterize nature these soils. Two general types suppression described: specific suppression, theories developed around two models. In this review, we will present three examples currently-studied model systems with features representative suppressiveness: take-all (Gaeumannomyces graminis var. tritici), Rhizoctonia bare patch wheat (Rhizoctonia solani AG-8), Streptomyces. To compare contrast models versus propose a number hypotheses about ecology microbial populations communities We outline limitations molecular techniques that provide novel ways hypotheses. Finally, consider greater understanding phytobiome facilitate sustainable disease management agriculture by harnessing soil microbes.

Language: Английский

Citations

472