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논문 기본 정보
- 자료유형
- 학술저널
- 저자정보
- 발행연도
- 2020.1
- 수록면
- 397 - 406 (10page)
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The ERF (ethylene-responsive element-binding factor) transcription factor family plays important roles in abiotic and biotic stress responses in plants. An EAR motif-containing ERF gene, IbERF4, was isolated from sweetpotato [Ipomoea batatas (L.) Lam]. IbERF4 was highly expressed in the early stage of storage roots and can be induced by various stresses. By overexpressing IbERF4 in Arabidopsis, the transgenic Arabidopsis showed greater sensitivity to drought and salt stress by down-regulating stress-related genes, such as rd22, rd29, AtCBF1 and AtCBF2. Overexpressing IbERF4 in sweetpotato made the transgenic sweetpotato more sensitive to salt stress and made propagating new seedlings more difficult. Consistently, the transcriptomic profiling results showed that genes involved in oxidative stress were significantly down-regulated in sweetpotato overexpression lines. These results indicated that IbERF4 plays as key regulators in sweetpotato abiotic stress.
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참고문헌 (38)
참고문헌 신청
Achard P / 2006 / Integration of plant responses to environmentally activated phytohormonal signals / Science 311:91~94
Agarwal PK / 2006 / Role of DREB transcription factors in abiotic and biotic stress tolerance in plants / Plant Cell Rep 25:263~1274
Breeze E / 2011 / High-resolution temporal profiling of transcripts during Arabidopsis leaf senescence reveals a distinct chronology of processes and regulation / Plant Cell 23:873~894
Chen W / 2002 / Expression profile matrix of Arabidopsis transcription factor genes suggests their putative functions in response to environmental stresses / Plant Cell 14:559~574
Clough SJ / 1998 / Floral dip : a simplified method for Agrobacterium-mediated transformation of Arabidopsis thaliana / Plant J 16:735~743
Agarwal PK / 2006 / Role of DREB transcription factors in abiotic and biotic stress tolerance in plants / Plant Cell Rep 25:263~1274
Breeze E / 2011 / High-resolution temporal profiling of transcripts during Arabidopsis leaf senescence reveals a distinct chronology of processes and regulation / Plant Cell 23:873~894
Chen W / 2002 / Expression profile matrix of Arabidopsis transcription factor genes suggests their putative functions in response to environmental stresses / Plant Cell 14:559~574
Clough SJ / 1998 / Floral dip : a simplified method for Agrobacterium-mediated transformation of Arabidopsis thaliana / Plant J 16:735~743
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