Structure and stress-related expression of two cDNAs encoding proteinase inhibitor II of nicotiana glutinosa L.(

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Title
Structure and stress-related expression of two cDNAs encoding proteinase inhibitor II of nicotiana glutinosa L.(
Author(s)
Do Il Choi; Jong A Park; Young Sam Seo; Yoon Joo Chun; Woo Taek Kim
Bibliographic Citation
Biochimica et Biophysica Acta-Gene Regulatory Mechanisms, vol. 1492, no. 1, pp. 211-215
Publication Year
2000
Abstract
Two cDNAs, pNGPI-1 and pNGPI-2, encoding Nicotiana glutinosa proteinase inhibitor II (PI-II) have been cloned, sequenced and identified. The deduced amino acid sequences are 54-82% identical to those of other plant PI-II. The NGPI-1 protein is composed of eight repeated domains, while NGPI-2 contains six repeated regions, each with a putative reactive site. The expression of NGPI-1 is highly regulated in a developmental- and tissue-specific manner, with the transcript being detected in young leaves and floral organs of N. glutinosa plants. In mature leaves, the NGPI-1 gene is rapidly activated by distinct temporal induction patterns in response to pathogen-related (biotic) and wound-related (abiotic) stresses.
Keyword
cDNAproteinase inhibitorstress-induced gene expressiontissue-specific expressiontobacco mosaic virusNicotiana glutinosa L.
ISSN
1874-9399
Publisher
Elsevier
DOI
http://dx.doi.org/10.1016/S0167-4781(00)00073-7
Type
Article
Appears in Collections:
1. Journal Articles > Journal Articles
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