کد مقاله کد نشریه سال انتشار مقاله انگلیسی نسخه تمام متن
5505661 1400274 2017 23 صفحه PDF دانلود رایگان
عنوان انگلیسی مقاله ISI
The membrane-tethered NAC transcription factor, AtNTL7, contributes to ER-stress resistance in Arabidopsis
موضوعات مرتبط
علوم زیستی و بیوفناوری بیوشیمی، ژنتیک و زیست شناسی مولکولی زیست شیمی
پیش نمایش صفحه اول مقاله
The membrane-tethered NAC transcription factor, AtNTL7, contributes to ER-stress resistance in Arabidopsis
چکیده انگلیسی
We screened for endoplasmic reticulum (ER) stress-resistant mutants among 25 mutants of the Arabidopsis NTL (NAC with Transmembrane motif 1-Like) family. We identified a novel mutant, SALK_044777, showing strong resistance to ER stress. RT-PCR and genomic DNA sequence analyses identified the mutant as atntl7, which harbors a T-DNA insertion in the fourth exon of AtNTL7. Two other atntl7-mutant alleles, in which T-DNA was inserted in the second exon and third intron of AtNTL7, respectively, showed ER-stress sensitive phenotypes, suggesting that SALK_044777 is a gain-of-function mutant. Arabidopsis plants overexpressing AtNTL7 showed strong ER-stress resistance. Our findings suggest that AtNTL7 fragment is cleaved from the ER membrane under ER stress and translocates into the nucleus to induce downstream ER-stress responsive genes.
ناشر
Database: Elsevier - ScienceDirect (ساینس دایرکت)
Journal: Biochemical and Biophysical Research Communications - Volume 488, Issue 4, 8 July 2017, Pages 641-647
نویسندگان
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