Functions of the poly(ADP-ribose) polymerase superfamily in plants

被引：0
作者：
Rebecca S. Lamb
Matteo Citarelli
Sachin Teotia
机构：
[1] The Ohio State University,Department of Molecular Genetics
[2] Gautam Buddha University,School of Biotechnology
来源：
Cellular and Molecular Life Sciences | 2012年 / 69卷
关键词：
ADP-ribose; PARP; mART; Post-translational modification; Stress; Cell proliferation;
D O I：
暂无
中图分类号：
学科分类号：
摘要：
Poly(ADP-ribosyl)ation is the covalent attachment of ADP-ribose subunits from NAD+ to target proteins and was first described in plants in the 1970s. This post-translational modification is mediated by poly(ADP-ribose) polymerases (PARPs) and removed by poly(ADP-ribose) glycohydrolases (PARGs). PARPs have important functions in many biological processes including DNA repair, epigenetic regulation and transcription. However, these roles are not always associated with enzymatic activity. The PARP superfamily has been well studied in animals, but remains under-investigated in plants. Although plants lack the variety of PARP superfamily members found in mammals, they do encode three different types of PARP superfamily proteins, including a group of PARP-like proteins, the SRO family, that are plant specific. In plants, members of the PARP family and/or poly(ADP-ribosyl)ation have been linked to DNA repair, mitosis, innate immunity and stress responses. In addition, members of the SRO family have been shown to be necessary for normal sporophytic development. In this review, we summarize the current state of plant research into poly(ADP-ribosyl)ation and the PARP superfamily in plants.
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页码：175 / 189
页数：14
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