کد مقاله کد نشریه سال انتشار مقاله انگلیسی نسخه تمام متن
2017632 1067809 2011 6 صفحه PDF دانلود رایگان
عنوان انگلیسی مقاله ISI
Peroxynitrite formation and function in plants
موضوعات مرتبط
علوم زیستی و بیوفناوری علوم کشاورزی و بیولوژیک دانش گیاه شناسی
پیش نمایش صفحه اول مقاله
Peroxynitrite formation and function in plants
چکیده انگلیسی

Peroxynitrite (ONOO−) is a reactive nitrogen species formed when nitric oxide (NO) reacts with the superoxide anion (O2−). It was first identified as a mediator of cell death in animals but was later shown to act as a positive regulator of cell signaling, mainly through the posttranslational modification of proteins by tyrosine nitration. In plants, peroxynitrite is not involved in NO-mediated cell death and its physiological function is poorly understood. However, it is emerging as a potential signaling molecule during the induction of defense responses against pathogens and this could be mediated by the selective nitration of tyrosine residues in a small number of proteins. In this review we discuss the general role of tyrosine nitration in plants and evaluate recent evidence suggesting that peroxynitrite is an effector of NO-mediated signaling following pathogen infection.


► Peroxynitrite is formed during the plant hypersensitive disease resistance response.
► Peroxynitrite is not a mediator of the hypersensitive cell death.
► Tyrosine protein nitration is central in peroxynitrite signaling functions.

ناشر
Database: Elsevier - ScienceDirect (ساینس دایرکت)
Journal: Plant Science - Volume 181, Issue 5, November 2011, Pages 534–539
نویسندگان
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