Stress-related genes define essential steps in the response of maize seedlings to smoke-water.

Functional & Integrative Genomics
Vilmos SoósErvin Balázs

Abstract

Smoke from burning vegetation is widely recognised as a germination cue for seed germination and recent reports suggest that smoke treatments can improve seedling vigour also. We investigated the effect of smoke-water on seedling vigour and changes of the global transcriptome in the early post-germination phase in maize. Application of smoke-water improved the germination characteristics and seedling vigour. The transcriptional response of embryos and emerging radicles 24 and 48 h after the onset of smoke treatment was investigated. The microarray study revealed a number of smoke-responsive genes amongst which stress- and abscisic acid (ABA)-related genes were over-represented. The global promoter analysis of the smoke-responsive genes revealed a tight correlation with the results obtained from Gene Ontology annotations. This concerted over-expression shows that smoke treatment induces stress and ABA-related responses in the early post-germination phase which leads to better adaptation to environmental stress factors occurring during germination, eventually resulting in greater seedling vigour.

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Citations

Mar 13, 2012·Annual Review of Plant Biology·David C NelsonSteven M Smith
Aug 11, 2015·Trends in Plant Science·Weiqiang Li, Lam-Son Phan Tran
Mar 10, 2015·Journal of Proteomics·Jana BaldrianováBřetislav Brzobohatý
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Oct 16, 2020·International Journal of Molecular Sciences·Xin Wang, Setsuko Komatsu
Oct 16, 2020·International Journal of Molecular Sciences·Utpal BoseMichelle L Colgrave

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