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231226s2023 xx |||||o 00| ||eng c |
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|a 10.1016/j.plaphy.2023.107941
|2 doi
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|a pubmed24n1201.xml
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|a (DE-627)NLM360492290
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|a (NLM)37549573
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|a (PII)S0981-9428(23)00452-7
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|a DE-627
|b ger
|c DE-627
|e rakwb
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| 041 |
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|a eng
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| 100 |
1 |
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|a Huang, Jiameng
|e verfasserin
|4 aut
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| 245 |
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|a A simplified synthetic rhizosphere bacterial community steers plant oxylipin pathways for preventing foliar phytopathogens
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|c 2023
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|a Text
|b txt
|2 rdacontent
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|a ƒaComputermedien
|b c
|2 rdamedia
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|a ƒa Online-Ressource
|b cr
|2 rdacarrier
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|a Date Completed 12.09.2023
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|a Date Revised 12.09.2023
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|a published: Print-Electronic
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|a Citation Status MEDLINE
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|a Copyright © 2023 Elsevier Masson SAS. All rights reserved.
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|a Rhizosphere-enriched microbes induced by foliar phytopathogen infection can be assembled into a functional community to enhance plant defense mechanisms. However, the functions of stably-colonizing rhizosphere microbiota are rarely investigated. In this study, Botrytis cinerea infection changed rhizosphere bacterial communities in tomato plants. The phytopathogen-infected plants recruited specific rhizosphere bacterial taxa, while several bacterial taxa stably colonized the rhizosphere, regardless of phytopathogen infection. Through the analysis of the rhizosphere bacterial community, we established a synthetic community harboring 8 phytopathogen-inducible and 30 stably-colonizing bacteria species. Furthermore, the 38-species community was simplified into a three-species community, consisting of one phytopathogen-inducible (Asticcacaulis sp.) and two stably-colonizing species (Arachidicoccus sp. And Phenylobacterium sp.). The simplified community provided a durable protection for the host plants by synergistic effects, with the phytopathogen-inducible species triggering plant defense responses and the stably-colonizing species promoting biofilm formation. The simplified community exhibited similar protective effects as the 38-species community. Moreover, the activation of oxylipin pathways in the phytopathogen-infected leaves was significantly intensified by the simplified community. However, the inhibited biosynthesis of antimicrobial divinyl ethers, including colneleic and colnelenic acid, fully abolished the community-induced plant disease resistance. In contrast, transgenic plants overexpressing SlLOX5 and SlDES1, with higher levels of divinyl ethers, displayed stronger resistance against B. cinerea compared to wild-type plants. Collectively, these findings provided insights into the utilization of the simplified community for preventing gray mold disease
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|a Journal Article
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|a Aboveground-belowground
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|a Facilitation
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|a Functional microbiota
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| 650 |
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|a Rhizosphere microbiota
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| 650 |
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|a Synthetic community
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|a Oxylipins
|2 NLM
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| 650 |
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|a 1,3-butadiene
|2 NLM
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| 650 |
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|a JSD5FGP5VD
|2 NLM
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| 700 |
1 |
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|a Zhu, Lin
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Lu, Xiaomin
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Cui, Feng
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Wang, Jianfei
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Zhou, Cheng
|e verfasserin
|4 aut
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| 773 |
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|i Enthalten in
|t Plant physiology and biochemistry : PPB
|d 1991
|g 202(2023) vom: 01. Sept., Seite 107941
|w (DE-627)NLM098178261
|x 1873-2690
|7 nnns
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| 773 |
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|g volume:202
|g year:2023
|g day:01
|g month:09
|g pages:107941
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|u http://dx.doi.org/10.1016/j.plaphy.2023.107941
|3 Volltext
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