کد مقاله کد نشریه سال انتشار مقاله انگلیسی نسخه تمام متن
10757342 1050394 2014 4 صفحه PDF دانلود رایگان
عنوان انگلیسی مقاله ISI
Molecular chaperone function of Arabidopsis thaliana phloem protein 2-A1, encodes a protein similar to phloem lectin
موضوعات مرتبط
علوم زیستی و بیوفناوری بیوشیمی، ژنتیک و زیست شناسی مولکولی زیست شیمی
پیش نمایش صفحه اول مقاله
Molecular chaperone function of Arabidopsis thaliana phloem protein 2-A1, encodes a protein similar to phloem lectin
چکیده انگلیسی
Although several phloem sap proteins have been identified from protein extracts of heat-treated Arabidopsis seedlings using FPLC gel filtration columns, many of the physiological roles played by these proteins remain to be elucidated. We functionally characterized a phloem protein 2-A1, which encodes a protein similar to phloem lectin. Using a bacterially expressed recombinant protein of AtPP2-A1, we found that it performs dual functions, showing both molecular chaperone activity and antifungal activity. mRNA expression of the AtPP2-1 gene was induced by diverse external stresses such as pathogens, and other signaling molecules, such as ethylene. These results suggest that the AtPP2-A1 molecular chaperone protein plays a critical role in the Arabidopsis defense system against diverse external stresses including fungal pathogenic attack and heat shock.
ناشر
Database: Elsevier - ScienceDirect (ساینس دایرکت)
Journal: Biochemical and Biophysical Research Communications - Volume 443, Issue 1, 3 January 2014, Pages 18-21
نویسندگان
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