NDLI: The zinc finger protein ZAT11 modulates paraquat-induced programmed cell death in Arabidopsis thaliana

Content Provider	Springer Nature Link
Author	Qureshi, Muhammad Kamran Sujeeth, Neerakkal Gechev, Tsanko S. Hille, Jacques
Copyright Year	2013
Abstract	Plants use programmed cell death (PCD) as a tool in their growth and development. PCD is also involved in defense against different kinds of stresses including pathogen attack. In both types of PCD, reactive oxygen species (ROS) play an important role. ROS is not only a toxic by-product but also acts as signaling molecule that can trigger defense mechanisms in plant. Earlier transcriptome studies indicated the activation of ROS responsive and/or generating genes. Eight genes were selected with a potential role in ROS-induced PCD pathway and one of them, encoding the zinc finger protein ZAT11 (Zinc Arabidopsis thaliana11) exhibited an altered cell death phenotype. Two independent zat11 mutants in a loh2 (LAG one homologue2) genetic background showed enhanced tolerance to paraquat-induced oxidative stress and PCD; whereas, these double mutants exhibited cell death triggered by Alternaria alternata f. sp. lycopersici-toxin (AAL-toxin) or 3-aminotriazole (AT). This indicates that ZAT11 is involved in an intricate oxidative stress-induced PCD network, and the final outcome depends on ZAT11 interactions with other players specific for the particular types of oxidative stress.
Starting Page	1863
Ending Page	1871
Page Count	9
File Format	PDF
ISSN	01375881
Journal	Acta Physiologiae Plantarum
Volume Number	35
Issue Number	6
e-ISSN	18611664
Language	English
Publisher	Springer-Verlag
Publisher Date	2013-01-29
Publisher Place	Berlin, Heidelberg
Access Restriction	One Nation One Subscription (ONOS)
Subject Keyword	AAL-toxin Arabidopsis Paraquat Programmed cell death Reactive oxygen species ZAT11 Plant Physiology Plant Genetics & Genomics Plant Biochemistry Plant Pathology Plant Anatomy/Development Agriculture
Content Type	Text
Resource Type	Article
Subject	Physiology Plant Science Agronomy and Crop Science

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