NDLI: Identification of AtWRKY75 as a transcriptional regulator in the defense response to Pcc through the screening of Arabidopsis activation-tagged lines

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Identification of AtWRKY75 as a transcriptional regulator in the defense response to Pcc through the screening of Arabidopsis activation-tagged lines

Content Provider	Springer Nature Link
Author	Choi, Changhyun Park, Young Ho Kwon, Soon Il Yun, Chunghyo Ahn, Ilpyung Park, Sang Ryeol Hwang, Duk Ju
Copyright Year	2013
Abstract	The necrotrophic pathogen Pectobacterium carotovorum ssp. carotovorum (Pcc) causes soft rot in a broad range of plant hosts. Approximately 60,000 independent seeds from Arabidopsis activation tagging lines were inoculated with Pcc and screened for resistant mutants. An Rpe1 (resistance protein to Pectobacterium 1) mutant, which had more resistance to Pcc than wild-type (WT) plants, was selected for further study. The T-DNA inserting locus in Rpe1 was located on the middle of chromosome V by flanking sequence analysis. Through expression analysis with several genes adjacent to the T-DNA tagging region, AtWRKY75 gene was highly up-regulated in the Rpe1 mutant compared to the WT plant. The up-regulation of AtWRKY75 gene was shown to be correlated on the induction of the PDF1.2, VSP1 and PR1 genes compared to the WT plant. AtWRKY75 over-expression lines exhibited reduced Pcc bacterial growth compared to WT. Taken together, our data suggest that AtWRKY75 should be a positive regulator in the JA- or SA-mediated defense signaling responses to Pcc.
Starting Page	183
Ending Page	192
Page Count	10
File Format	PDF
ISSN	18635466
Journal	Plant Biotechnology Reports
Volume Number	8
Issue Number	2
e-ISSN	18635474
Language	English
Publisher	Springer Japan
Publisher Date	2013-12-05
Publisher Place	Tokyo
Access Restriction	One Nation One Subscription (ONOS)
Subject Keyword	Arabidopsis Activation tagging line AtWRKY75 Soft rot Plant Sciences Cell Biology Plant Biochemistry Biotechnology Agriculture
Content Type	Text
Resource Type	Article
Subject	Plant Science Biotechnology

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