BnNHL18A shows a localization change by stress-inducing chemical treatments = 스트레스 관련 화학물질 처리에 의한 BnNHL18A의 위치 변화

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Title
BnNHL18A shows a localization change by stress-inducing chemical treatments = 스트레스 관련 화학물질 처리에 의한 BnNHL18A의 위치 변화
Author(s)
S B Lee; B K Ham; Jeong Mee Park; Y J Kim; K H Paek
Bibliographic Citation
Biochemical and Biophysical Research Communications, vol. 339, no. 1, pp. 399-406
Publication Year
2006
Abstract
The two genes, named BnNHL18A and BnNHL18B, showing sequence homology with Arabidopsis NDR1/HIN1-like (NHL) genes, were isolated from cDNA library prepared with oilseed rape (Brassica napus) seedlings treated with NaCl. The transcript level of BnNHL18A was increased by sodium chloride, ethephon, hydrogen peroxide, methyl jasmonate, or salicylic acid treatment. The coding regions of BnNHL18A and BnNHL18B contain a sarcolipin (SLN)-like sequence. Analysis of the localization of smGFP fusion proteins showed that BnNHL18A is mainly localized to endoplasmic reticulum (ER). This result suggests that the SLN-like sequence plays a role in retaining proteins in ER membrane in plants. In response to NaCl, hydrogen peroxide, ethephon, and salicylic acid treatments, the protein localization of BnNHL18A was changed. Our findings suggest a common function of BnNHL18A in biotic and abiotic stresses, and demonstrate the presence of the shared mechanism of protein translocalization between the responses to plant pathogen and to osmotic stress.
Keyword
brassica napusHIN1hypersensitive responseNDR1osmotic stresssarcolipin
ISSN
0006-291X
Publisher
Elsevier
DOI
http://dx.doi.org/10.1016/j.bbrc.2005.10.210
Type
Article
Appears in Collections:
Division of Research on National Challenges > Plant Systems Engineering Research > 1. Journal Articles
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