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

• Autorzy: Qureshi M.K. , Sujeeth N. , Gechev T. S. , Hille J.
• Języki publikacji: EN

Abstrakty

EN

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.

• Wydawca: -
• Czasopismo: Acta Physiologiae Plantarum
• Rocznik: 2013
• Tom: 35
• Numer: 06
• Opis fizyczny: p.1863-1871,fig.,ref.

Twórcy

autor

Qureshi M.K.

• Department Molecular Biology of Plants, Groningen Biomolecular Sciences and Biotechnology Institute (GBB), University of Groningen, Linnaeusborg 9747 AG, Groningen, The Netherlands

autor

Sujeeth N.

• Department Molecular Biology of Plants, Groningen Biomolecular Sciences and Biotechnology Institute (GBB), University of Groningen, Linnaeusborg 9747 AG, Groningen, The Netherlands
• Department of Plant Physiology and Plant Molecular Biology, University of Plovdiv, 24 Tsar Assen str, Plovdiv 4000, Bulgaria

autor

Gechev T. S.

• Department of Plant Physiology and Plant Molecular Biology, University of Plovdiv, 24 Tsar Assen str, Plovdiv 4000, Bulgaria
• Institute of Molecular Biology and Biotechnologies, 105 Ruski Blvd, Plovdiv 4000, Bulgaria

autor

Hille J.

• Department Molecular Biology of Plants, Groningen Biomolecular Sciences and Biotechnology Institute (GBB), University of Groningen, Linnaeusborg 9747 AG, Groningen, The Netherlands

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