Salinity and drought tolerance conferred by in planta transformation of SNAC1 transcription factor into a high-yielding rice variety of Bangladesh

• Autorzy: Parvin S. , Biswas S. , Razzaque S. , Haque T. , Elias S.M. , Tammi R.S. , Seraj Z.I.
• Języki publikacji: EN

Abstrakty

EN

Abiotic stresses such as drought and high salinity unfavorably affect the growth and productivity of crop plants. Therefore, the development of stress-tolerant crops is essential for the affected cultivable areas. It has been shown in the current study that the overexpression of stress-responsive NAC1 (SNAC1) transcription factor (TF) significantly increases salinity and drought tolerance in a farmer-popular high-yielding, transgenic rice. The indica rice variety BRRIdhan 55, which was poorly responsive to tissue culture was transformed with the SNAC1 TF from the rice landrace Pokkali by the in planta method. Addition of acetosyringone in the Agrobacterium suspension and coculture media increased previously reported transformation efficiencies by four-folds. Integration of foreign genes into the genome of transgenic plants was confirmed by genespecific PCR and Southern blot analysis. The level of transgene expression (SNAC1) was also quantified by realtime PCR. Genetic segregation ratio for T1 progenies was calculated and found to follow the law of Mendelian inheritance. Phenotypic screening was conducted at T2 and T3 seedling stages where the transgenic lines exhibited much better tolerance compared to their control nontransgenic plants at 120 mM (NaCl) salt as well as drought stress implemented by withholding water for 20 days.

• Wydawca: -
• Czasopismo: Acta Physiologiae Plantarum
• Rocznik: 2015
• Tom: 37
• Numer: 04
• Opis fizyczny: Article: 68 [12 p.], fig.,ref.

Twórcy

autor

Parvin S.

• Plant Biotechnology Laboratory, Department of Biochemistry and Molecular Biology, University of Dhaka, Dhaka 1000, Bangladesh

autor

Biswas S.

• Plant Biotechnology Laboratory, Department of Biochemistry and Molecular Biology, University of Dhaka, Dhaka 1000, Bangladesh

autor

Razzaque S.

• Plant Biotechnology Laboratory, Department of Biochemistry and Molecular Biology, University of Dhaka, Dhaka 1000, Bangladesh

autor

Haque T.

• Plant Biotechnology Laboratory, Department of Biochemistry and Molecular Biology, University of Dhaka, Dhaka 1000, Bangladesh

autor

Elias S.M.

• Plant Biotechnology Laboratory, Department of Biochemistry and Molecular Biology, University of Dhaka, Dhaka 1000, Bangladesh

autor

Tammi R.S.

• Plant Biotechnology Laboratory, Department of Biochemistry and Molecular Biology, University of Dhaka, Dhaka 1000, Bangladesh

autor

Seraj Z.I.

• Plant Biotechnology Laboratory, Department of Biochemistry and Molecular Biology, University of Dhaka, Dhaka 1000, Bangladesh

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Identyfikatory

DOI

10.1007/s11738-015-1817-8