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논문 기본 정보
- 자료유형
- 학술저널
- 저자정보
- 발행연도
- 2017.10
- 수록면
- 299 - 314 (16page)
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초록· 키워드
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Transcription factor MYB is a critical factor involved in anthocyanin biosynthesis and abiotic stress resistance of plants. This paper reports the functions of codon-optimized transcription factor VvMYBA6 expressed in transgenic Arabidopsis plants. VvMYBA6 overexpression resulted in significant increase of anthocyanin content, which also enhanced salt and mannitol tolerance in transgenic Arabidopsis plants. Besides, real-time quantitative PCR (qRT-PCR) analysis showed that overexpression of VvMYBA6 promoted the expression level of genes involved in anthocyanin biosynthesis, abscisic acid (ABA) synthesis, proline synthesis, stress responses and ROS scavenging under salt and mannitol stress. According to further analysis under salt and mannitol stress, overexpression of VvMYBA6 significantly increased ABA and proline content, activities of superoxide dismutase (SOD), peroxidase (POD) and catalase (CAT), as well as reduced the content of H2O2 and malonaldehyde (MDA). The results demonstrated that the overexpression of VvMYBA6 enhanced salt and mannitol tolerance based on increasing synthetic levels of anthocyanin and ABA in transgenic Arabidopsis plants.
Therefore, the overexpression of VvMYBA6 could be widely used in promoting salt tolerance in plants.
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참고문헌 (110)
참고문헌 신청
Abraham E / 2003 / Light-dependent induction of proline biosynthesis by abscisic acid and salt stress is inhibited by brassinosteroid in Arabidopsis / Plant Mol Biol 51:363~372
Alexieva V / 2001 / The effect of drought and ultraviolet radiation on growth and stress markers in pea and wheat / Plant Cell Environ 24:1337~1344
Alia MP / 2001 / Effect of proline on the production of singlet oxygen / Amino Acids 21:195~200
Antonietta C / 2010 / Cloning and molecular characterization of R2R3-MYB and bHLH-MYC transcription factors from Citrus sinensis / Tree Genet Genom 6:101~112
Azuma A / 2008 / Genomic and genetic analysis of Myb-related genes that regulate anthocyanin biosynthesis in grape peel / Theor Appl Genet 117(6):1009~1019
Alexieva V / 2001 / The effect of drought and ultraviolet radiation on growth and stress markers in pea and wheat / Plant Cell Environ 24:1337~1344
Alia MP / 2001 / Effect of proline on the production of singlet oxygen / Amino Acids 21:195~200
Antonietta C / 2010 / Cloning and molecular characterization of R2R3-MYB and bHLH-MYC transcription factors from Citrus sinensis / Tree Genet Genom 6:101~112
Azuma A / 2008 / Genomic and genetic analysis of Myb-related genes that regulate anthocyanin biosynthesis in grape peel / Theor Appl Genet 117(6):1009~1019
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