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  • Title: Structure and stress-related expression of two cDNAs encoding proteinase inhibitor II of Nicotiana glutinosa L.
    Author: Choi D, Park JA, Seo YS, Chun YJ, Kim WT.
    Journal: Biochim Biophys Acta; 2000 Jun 21; 1492(1):211-5. PubMed ID: 11004491.
    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.
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