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논문 기본 정보
- 자료유형
- 학술저널
- 저자정보
- 발행연도
- 2018.8
- 수록면
- 781 - 798 (18page)
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초록· 키워드
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Plants have evolved strategies to cope with drought stress by maximizing physiological capacity and adjusting developmental processes such as flowering time. The WOX13 orthologous group is the most conserved among the clade of WOX homeo-domain-containing proteins and is found to function in both drought stress and flower development. In this study, we isolated and characterized OsWOX13 from rice. OsWOX13 was regulated spatially in vegetative organs but temporally in flowers and seeds. Overexpression of OsWOX13 (OsWOX13-ov) in rice under the rab21 promoter resulted in drought resistance and early flowering by 7-10 days. Screening of gene expression profiles in mature leaf and panicles of OsWOX13-ov showed a broad spectrum of effects on biological processes, such as abiotic and biotic stresses, exerting a cross-talk between responses. Protein binding microarray and electrophoretic mobility shift assay analyses supported ATTGATTG as the putative cis-element binding of OsWOX13. OsDREB1A and OsDREB1F, drought stress response transcription factors, contain ATTGATTG motif(s) in their promoters and are preferentially expressed in OsWOX13-ov. In addition, Heading date 3a and OsMADS14, regulators in the flowering pathway and development, were enhanced in OsWOX13-ov. These results suggest that OsWOX13 mediates the stress responseand early flowering and, thus, may be a regulator of genes involved in drought escape.
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참고문헌 (118)
참고문헌 신청
Abe, M. / 2005 / FD, a bZIP protein mediating signals from the floral pathway integrator FT at the shoot apex / Science 309:1052~1056
Agalou, A. / 2008 / A genome-wide survey of HD-Zip genes in rice and analysis of drought-responsive family members / Plant Mol. Biol. 66:87~103
Aguirrezabal, L. / 2006 / Plasticity to soil water deficit in Arabidopsis thaliana: dissection of leaf development into underlying growth dynamic and cellular variables reveals invisible phenotypes / Plant Cell Environ 29:2216~2227
Bernier, G. / 2005 / A physiological overview of the genetics of flowering time control / Plant Biotechnol. J. 3:3~16
Bhattacharjee, A. / 2013 / Homeobox genes as potential candidates for crop improvement under abiotic stress;Plant Acclimation to Environmental Stress / Springer :163~176
Agalou, A. / 2008 / A genome-wide survey of HD-Zip genes in rice and analysis of drought-responsive family members / Plant Mol. Biol. 66:87~103
Aguirrezabal, L. / 2006 / Plasticity to soil water deficit in Arabidopsis thaliana: dissection of leaf development into underlying growth dynamic and cellular variables reveals invisible phenotypes / Plant Cell Environ 29:2216~2227
Bernier, G. / 2005 / A physiological overview of the genetics of flowering time control / Plant Biotechnol. J. 3:3~16
Bhattacharjee, A. / 2013 / Homeobox genes as potential candidates for crop improvement under abiotic stress;Plant Acclimation to Environmental Stress / Springer :163~176
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