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231226s2022 xx |||||o 00| ||eng c |
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|a 10.1093/jxb/erac228
|2 doi
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|a eng
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|a Tran, Tri
|e verfasserin
|4 aut
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|a In vitro functional characterization predicts the impact of bacterial root endophytes on plant growth
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|c 2022
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|a Text
|b txt
|2 rdacontent
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|a ƒaComputermedien
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|2 rdamedia
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|a ƒa Online-Ressource
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|a Date Completed 14.09.2022
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|a Date Revised 07.12.2022
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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 Utilizing beneficial microbes for crop improvement is one strategy to achieve sustainable agriculture. However, identifying microbial isolates that promote crop growth is challenging, in part because using bacterial taxonomy to predict an isolate's effect on plant growth may not be reliable. The overall aim of this work was to determine whether in vitro functional traits of bacteria were predictive of their in planta impact. We isolated 183 bacterial endophytes from field-grown roots of two tomato species, Solanum lycopersicum and S. pimpinellifolium. Sixty isolates were screened for six in vitro functional traits: auxin production, siderophore production, phosphate solubilization, antagonism to a soilborne pathogen, and the presence of two antimicrobial metabolite synthesis genes. Hierarchical clustering of the isolates based on the in vitro functional traits identified several groups of isolates sharing similar traits. We called these groups 'functional groups'. To understand how in vitro functional traits of bacteria relate to their impact on plants, we inoculated three isolates from each of the functional groups on tomato seedlings. Isolates within the same functional group promoted plant growth at similar levels, regardless of their host origin or taxonomy. Together, our results demonstrate the importance of examining root endophyte functions for improving crop production
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|a Journal Article
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|a Research Support, Non-U.S. Gov't
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|a Beneficial bacteria
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|a endophyte
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|a microbiome
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|a root-associated bacteria
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|a root–microbe interaction
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|a tomato
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|a Indoleacetic Acids
|2 NLM
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|a French, Elizabeth
|e verfasserin
|4 aut
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|a Iyer-Pascuzzi, Anjali S
|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), 16 vom: 12. Sept., Seite 5758-5772
|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:16
|g day:12
|g month:09
|g pages:5758-5772
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|u http://dx.doi.org/10.1093/jxb/erac228
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