NDLI: Systemic Expression of Genes Involved in the Plant Defense Response Induced by Wounding in Senna tora

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Systemic Expression of Genes Involved in the Plant Defense Response Induced by Wounding in Senna tora

Content Provider	MDPI
Author	Kang, Ji-Nam Lee, Woo-Haeng Won, So Youn Chang, Saemin Hong, Jong-Pil Oh, Tae-Jin Lee, Si Myung Kang, Sang-Ho
Copyright Year	2021
Description	Wounds in tissues provide a pathway of entry for pathogenic fungi and bacteria in plants. Plants respond to wounding by regulating the expression of genes involved in their defense mechanisms. To analyze this response, we investigated the defense-related genes induced by wounding in the leaves of Senna tora using RNA sequencing. The genes involved in jasmonate and ethylene biosynthesis were strongly induced by wounding, as were a large number of genes encoding transcription factors such as ERFs, WRKYs, MYBs, bHLHs, and NACs. Wounding induced the expression of genes encoding pathogenesis-related (PR) proteins, such as PR-1, chitinase, thaumatin-like protein, cysteine proteinase inhibitor, PR-10, and plant defensin. Furthermore, wounding led to the induction of genes involved in flavonoid biosynthesis and the accumulation of kaempferol and quercetin in S. tora leaves. All these genes were expressed systemically in leaves distant from the wound site. These results demonstrate that mechanical wounding can lead to a systemic defense response in the Caesalpinioideae, a subfamily of the Leguminosae. In addition, a co-expression analysis of genes induced by wounding provides important information about the interactions between genes involved in plant defense responses.
Starting Page	10073
e-ISSN	14220067
DOI	10.3390/ijms221810073
Journal	International Journal of Molecular Sciences
Issue Number	18
Volume Number	22
Language	English
Publisher	MDPI
Publisher Date	2021-09-17
Access Restriction	Open
Subject Keyword	International Journal of Molecular Sciences Plant Sciences Wounding Systemic Defense Response Jasmonate Biosynthesis Ethylene Biosynthesis Transcription Factors Pathogenesis Related Genes Flavonoid Biosynthesis Senna Tora
Content Type	Text
Resource Type	Article

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