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Open Access Green as soon as Postprint is submitted to ZB.
Microbe-induced drought tolerance by ABA-mediated root architecture and epigenetic reprogramming.
EMBO Rep. 24:e56754 (2023)
The use of beneficial microbes to mitigate drought stress tolerance of plants is of great potential albeit little understood. We show here that a root endophytic desert bacterium, Pseudomonas argentinensis strain SA190, enhances drought stress tolerance in Arabidopsis. Transcriptome and genetic analysis demonstrate that SA190-induced root morphogenesis and gene expression is mediated via the plant abscisic acid (ABA) pathway. Moreover, we demonstrate that SA190 primes the promoters of target genes in an epigenetic ABA-dependent manner. Application of SA190 priming on crops is demonstrated for alfalfa, showing enhanced performance under drought conditions. In summary, a single beneficial root bacterial strain can help plants to resist drought conditions.
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Publication type
Article: Journal article
Document type
Scientific Article
Keywords
Aba ; H3k4me3 ; Drought Stress ; Microbiome ; Water Use Efficiency (wue); Stress; Aquaporins
ISSN (print) / ISBN
1469-221X
e-ISSN
1469-3178
Journal
EMBO Reports
Quellenangaben
Volume: 24,
Issue: 8,
Article Number: e56754
Publisher
EMBO Press
Publishing Place
111 River St, Hoboken 07030-5774, Nj Usa
Non-patent literature
Publications
Reviewing status
Peer reviewed
Institute(s)
Institute of Biochemical Plant Pathology (BIOP)
Grants
King Abdullah University of Science and Technology