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231226s2022 xx |||||o 00| ||eng c |
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|a 10.1093/jxb/erac202
|2 doi
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|a pubmed24n1135.xml
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|a (DE-627)NLM340802138
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|a (NLM)35552399
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|a DE-627
|b ger
|c DE-627
|e rakwb
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|a eng
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| 100 |
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|a Wang, Peng
|e verfasserin
|4 aut
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| 245 |
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|a Natural variation in root exudation of GABA and DIMBOA impacts the maize root endosphere and rhizosphere microbiomes
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|c 2022
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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 12.08.2022
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|a Date Revised 09.09.2022
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|a published: Print
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|a Citation Status MEDLINE
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|a © The Author(s) 2022. Published by Oxford University Press on behalf of the Society for Experimental Biology. All rights reserved. For permissions, please email: journals.permissionsoup.com.
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|a Root exudates are important for shaping root-associated microbiomes. However, studies on a wider range of metabolites in exudates are required for a comprehensive understanding about their influence on microbial communities. We identified maize inbred lines that differ in exudate concentrations of 2,4-dihydroxy-7-methoxy-1,4-benzoxazin-3-one (DIMBOA) and γ-aminobutyric acid (GABA) using a semi-hydroponic system. These lines were grown in the field to determine the changes in microbial diversity and gene expression due to varying concentrations of DIMBOA and GABA in exudates using 16S rRNA amplicon sequencing and metatranscriptomics. Results showed individual and interaction effects of DIMBOA and GABA on the rhizosphere and root endosphere β-diversity, most strongly at the V10 growth stage. The main bacterial families affected by both compounds were Ktedonobacteraceae and Xanthomonadaceae. Higher concentrations of DIMBOA in exudates affected the rhizosphere metatranscriptome, enriching for metabolic pathways associated with plant disease. This study validated the use of natural variation within plant species as a powerful approach for understanding the role of root exudates on microbiome selection. We also showed that a semi-hydroponic system can be used to identify maize genotypes that differ in GABA and DIMBOA exudate concentrations under field conditions. The impact of GABA exudation on root-associated microbiomes is shown for the first time
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|a Journal Article
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|a Research Support, U.S. Gov't, Non-P.H.S.
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|a Bacteria
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|a exudates
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|a fungi
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|a maize
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|a metabolites
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|a rhizosphere
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| 650 |
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|a root
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|a Benzoxazines
|2 NLM
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| 650 |
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|a RNA, Ribosomal, 16S
|2 NLM
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| 650 |
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|a gamma-Aminobutyric Acid
|2 NLM
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| 650 |
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|a 56-12-2
|2 NLM
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| 650 |
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|a 2,4-dihydroxy-7-methoxy-1,4-benzoxazin-3-one
|2 NLM
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| 650 |
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|a TI783RU0DR
|2 NLM
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| 700 |
1 |
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|a Lopes, Lucas Dantas
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Lopez-Guerrero, Martha G
|e verfasserin
|4 aut
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| 700 |
1 |
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|a van Dijk, Karin
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Alvarez, Sophie
|e verfasserin
|4 aut
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| 700 |
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|a Riethoven, Jean-Jack
|e verfasserin
|4 aut
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| 700 |
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|a Schachtman, Daniel P
|e verfasserin
|4 aut
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| 773 |
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|i Enthalten in
|t Journal of experimental botany
|d 1985
|g 73(2022), 14 vom: 11. Aug., Seite 5052-5066
|w (DE-627)NLM098182706
|x 1460-2431
|7 nnns
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| 773 |
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|g volume:73
|g year:2022
|g number:14
|g day:11
|g month:08
|g pages:5052-5066
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| 856 |
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|u http://dx.doi.org/10.1093/jxb/erac202
|3 Volltext
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|d 73
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