title: Regulatory functions of evolutionarily conserved AN1/A20-like Zinc finger family proteins in Arabidopsis stress responses under high temperature.
abstract: AN1/A20-like Zinc finger family proteins are evolutionarily conserved regulatory components in eukaryotic signaling circuits. In Arabidopsis thaliana, the AN1/A20 Zinc finger family is encoded as 14 members in the genome and collectively referred to as stress-associated proteins (SAPs). Here we described AtSAP5 localized to the nucleus, and played a role in heat-responsive gene regulation together with MBF1c. Seedling survival assay of sap5 and mbf1c demonstrated consistent effects of AtSAP5 and MBF1C in response to two-step heat treatment, supporting their function in heat stress tolerance. Our findings yield an insight in A20/AN1-like Zinc finger protein AtSAP5 functions in plant adaptability under high temperature.
authors.affiliation: Department of Life Sciences, Korea University, Seoul 136-713, Republic of Korea.
authors.forename: Geun-Don
authors.initials: GD
authors.lastname: Kim
authors.affiliation: Department of Life Sciences, Korea University, Seoul 136-713, Republic of Korea.
authors.forename: Young-Hee
authors.initials: YH
authors.lastname: Cho
authors.affiliation: Department of Life Sciences, Korea University, Seoul 136-713, Republic of Korea. Electronic address: sangdong@korea.ac.kr.
authors.forename: Sang-Dong
authors.initials: SD
authors.lastname: Yoo
mesh_terms: D000222:Adaptation, Physiological / Q000235:genetics; D017360:Arabidopsis / Q000235:genetics / Q000502:physiology*; D029681:Arabidopsis Proteins / Q000737:chemistry / Q000378:metabolism*; D002467:Cell Nucleus / Q000378:metabolism; D017124:Conserved Sequence; D019143:Evolution, Molecular; D018506:Gene Expression Regulation, Plant; D017343:Genes, Plant; D006358:Hot Temperature; D011485:Protein Binding; D021381:Protein Transport; D013312:Stress, Physiological / Q000235:genetics; D015534:Trans-Activators / Q000378:metabolism; D014158:Transcription, Genetic; D044767:Ubiquitin-Protein Ligases / Q000737:chemistry / Q000378:metabolism; D016335:Zinc Fingers
chemical_list: D029681:Arabidopsis Proteins; C491466:MBF1 protein, Arabidopsis; D015534:Trans-Activators; D044767:Ubiquitin-Protein Ligases; C557394:SAP5 protein, Arabidopsis
keywords: A20/AN1 zinc finger protein; Heat stress tolerance; MBF1c