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학술연구/단체지원/교육 등 연구자 활동을 지속하도록 DBpia가 지원하고 있어요.
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논문 기본 정보
- 자료유형
- 학술저널
- 저자정보
- 발행연도
- 2018.1
- 수록면
- 835 - 845 (11page)
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Common wild rice (Oryza rufipogon Griff.) is the most closely related ancestral species to Asian cultivated rice (Oryza sativa L.). It contains various valuable traits with regard to tolerance to cold, drought and salinity, flowering diversity and many quantitative trait loci with agronomic important traits. Flowering is one of the most important agronomic traits. However, flowering-related transcriptome and how to be regulated by miRNAs have not been estimated in O.rufipogon. To identify how the genes and miRNAs regulating flowering in O.rufipogon. Three O.rufipogon RNA libraries, two vegetative stages (CWRT-V1 and CWRT-V2) and one flowering stage (CWRT-F2) were constructed using leaves tissue and sequenced using Illumina deep sequencing. 27,405, 27,333, 28,979 unique genes were obtained after mapping to the reference genome from CWRT-V1, CWRT-V2 and CWRT-F2, respectively. Then differentially expressed genes (DEGs) were screened and got 1419 unique genes are likely to involve in flower development. Detailed information showed that MADS box and floral meristem identity genes, such as MADS 1, MADS14, Hd1 are involved in common wild rice. Then, combined analysis of miRNA and mRNA expression profiles was performed. Twenty three known miRNA-mRNA pairs and five new candidates were presented an anti-correlationship. Interestingly, 12 miRNAs were negatively correlated with 20 mRNAs encoding flowering-related proteins, indicating that miRNAs regulated target genes to promote flowering in CWRT-F2 group. The results provided here genomic resources for flowering related genes and how these flowering genes were regulated by miRNAs in common wild rice.
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참고문헌 (44)
참고문헌 신청
Abe M / 2015 / FE a phloem-specific Myb-related protein, promotes flowering through transcriptional activation of FLOWERING LOCUS T and FLOWERING LOCUS T INTERACTING PROTEIN 1 / Plant J 83:1059~1068
Audic S / 1997 / The significance of digital gene expression profiles / Genome Res 7:986~995
Chen ZX / 2013 / Identification and functional analysis of flowering related microRNAs in common wild rice (Oryza rufipogon Griff.) / PLoS ONE 8:e82844
Curaba J / 2013 / Over-expression of microRNA171 affects phase transitions and floral meristem determinancy in barley / BMC Plant Biol 13:6
Dong YB / 2010 / Ecological, morphological and genetic diversity in Oryza rufipogon Griff. (Poaceae) from Hainan Island / China Genet Resour Crop Ev 57:915~926
Audic S / 1997 / The significance of digital gene expression profiles / Genome Res 7:986~995
Chen ZX / 2013 / Identification and functional analysis of flowering related microRNAs in common wild rice (Oryza rufipogon Griff.) / PLoS ONE 8:e82844
Curaba J / 2013 / Over-expression of microRNA171 affects phase transitions and floral meristem determinancy in barley / BMC Plant Biol 13:6
Dong YB / 2010 / Ecological, morphological and genetic diversity in Oryza rufipogon Griff. (Poaceae) from Hainan Island / China Genet Resour Crop Ev 57:915~926
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