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- W3094926474 abstract "ABSTRACT Acclimation of plants to adverse environmental conditions requires the coordination of gene expression and signalling pathways between tissues and cell types. As the energy and carbon capturing organs, leaves are significantly affected by abiotic and biotic stresses. However, tissue- or cell type-specific analyses of stress responses have largely focussed on the Arabidopsis root. Here, we comparatively explore the transcriptomes of three leaf tissues (epidermis, mesophyll, vasculature) after induction of diverse stress pathways by chemical stimuli (antimycin A, 3-amino-1,2,4-triazole, methyl viologen, salicylic acid) and UV light in Arabidopsis. Profiling stimuli-dependent changes after treatments revealed an overall reduction in the tissue-specific expression of genes, with only a limited number gaining or changing their tissue-specificity. We find no evidence of a common stress response, with only a few genes responsive to two or more treatments in the analysed tissues. However, differentially expressed genes overlap across tissues for individual treatments. Further analyses provided evidence for an interaction of auxin and ethylene that mediates retrograde signalling during mitochondrial dysfunction specifically in the epidermis, and a gene regulatory network defined the hierarchy of interactions. Taken together, we generated an extensive reference data set and results enable the tailoring of the tissue-specific engineering of stress tolerant plants." @default.
- W3094926474 created "2020-11-09" @default.
- W3094926474 creator A5002752646 @default.
- W3094926474 creator A5003642180 @default.
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- W3094926474 creator A5021660477 @default.
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- W3094926474 creator A5034188417 @default.
- W3094926474 date "2020-11-02" @default.
- W3094926474 modified "2023-10-17" @default.
- W3094926474 title "RNA-seq analysis of laser micro-dissected Arabidopsis thaliana leaf epidermis, mesophyll and vasculature defines tissue-specific transcriptional responses to multiple stress treatments" @default.
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