Light restored root growth of Arabidopsis with constitutive ethylene response

• Autorzy: Hu Y. , Chang C. , Xu G. , Wang T.
• Języki publikacji: EN

Abstrakty

EN

Ethylene response factor (ERF) is an important component in ethylene or pathogen-induced defensive response of plants. However, physiological effects of ERF on plants have not been fully elucidated. We previously identified an ERF gene, OsERF1, in rice. It up-regulated ethylene-responsive genes expression and influenced growth and development of the transgenic Arabidopsis. Here, we report that similar to other seedlings with constitutive ethylene response, OsERF1 seedlings were suppressed in their root growth. Interestingly, the suppressed root growth was restorable by light irradiation. Detailed analysis showed that OsERF1 inhibited cell elongation without influencing cell number in hypocotyls and leaves of the transgenic Arabidopsis. In addition, homozygous OsERF1 was fatal and heterozygous OsERF1 was harmful in Arabidopsis. These findings expand our understanding of ERF.

• Wydawca: -
• Czasopismo: Acta Physiologiae Plantarum
• Rocznik: 2011
• Tom: 33
• Numer: 3
• Opis fizyczny: p.667-674,fig.,ref.

Twórcy

autor

Hu Y.

• State Key Laboratory of Crop Genetics and Germplasm Enhancement, College of Resources and Environmental Sciences, Nanjing Agricultural University, Nanjing 210095, China
• Research Center for Molecular and Developmental Biology, Key Laboratory of Photosynthesis and Environmental Molecular Physiology, Institute of Botany, Chinese Academy of Sciences, Beijing 100093, China

autor

Chang C.

• State Key Laboratory of Crop Genetics and Germplasm Enhancement, College of Resources and Environmental Sciences, Nanjing Agricultural University, Nanjing 210095, China

autor

Xu G.

• State Key Laboratory of Crop Genetics and Germplasm Enhancement, College of Resources and Environmental Sciences, Nanjing Agricultural University, Nanjing 210095, China

autor

Wang T.

• Research Center for Molecular and Developmental Biology, Key Laboratory of Photosynthesis and Environmental Molecular Physiology, Institute of Botany, Chinese Academy of Sciences, Beijing 100093, China

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