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Title 

BnNHL18A shows a localization change by stress-inducing chemical treatments

Authors 

S B LeeB K HamJeong Mee ParkY J KimK H Paek

Publisher 

Elsevier

Issue Date 

2006

Citation 

Biochemical and Biophysical Research Communications, vol. 339, no. 1, pp. 399-406

Keywords 

brassica napusHIN1hypersensitive responseNDR1osmotic stresssarcolipin

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.

ISSN 

0006-291X

Link 

http://dx.doi.org/10.1016/j.bbrc.2005.10.210

Appears in Collections

1. Journal Articles > Journal Articles

Registered Date

2019-05-02


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