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논문 기본 정보
- 자료유형
- 학술저널
- 저자정보
- 발행연도
- 2018.1
- 수록면
- 265 - 279 (15page)
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초록· 키워드
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The WRKY family of transcription factors is one of the most important families of plant transcriptional regulators, and the members regulate multiple biological processes. However, there is limited information on WRKYs in Dendrobium officinale. In this study, 52 WRKY family genes of D. officinale were surveyed for the first time. Conserved domain, phylogenetic, exon–intron construction, and expression analyses were performed for the DoWRKY genes. Two major types of intron splicing (PR and VQR introns) were found, and the intron insertion position was observed to be relatively conserved in the conserved DoWRKY domains. The expression profiles of nine DoWRKYs were analyzed in cold- and methyl jasmonate (MeJA)-treated D. officinale seedlings; the DoWRKYs showed significant expression changes at different levels, which suggested their vital roles in stress tolerance. Moreover, the expression trends of most of the DoWRKYs after the simultaneous cold stress and MeJA treatment were the opposite of those of DoWRKYs after the individual cold stress and MeJA treatments, suggesting that the two stresses might have antagonistic effects and affect the adaptive capacity of the plants to stresses. Twelve DoWRKY genes were differentially expressed between symbiotic and asymbiotic germinated seeds; all were upregulated in the symbiotic germinated seeds except DoWRKY16. These differences in expression of DoWRKYs might be involved in promoting in vitro symbiotic germination of seeds with Tulasnella-like fungi. Our findings will be useful for further studies on the WRKY family genes in orchids.
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참고문헌 (66)
참고문헌 신청
An Y / 2006 / A change of phenolic acids content in poplar leaves induced by methyl salicylate and methyl jasmonate / J Forest Res 17:107~110
Bencke-Malato M / 2014 / Genome-wide annotation of the soybean WRKY family and functional characterization of genes involved in response to Phakopsora pachyrhizi infection / BMC Plant Biol 14:236
Brand LH / 2013 / Elucidating the evolutionary conserved DNA-binding specificities of WRKY transcription factors by molecular dynamics and in vitro binding assays / Nucleic Acids Res 41:1~15
Consortium TIBG / 2012 / A physical, genetic and functional sequence assembly of the barley genome / Nature 491:711~717
Deng W / 2014 / HemI: a toolkit for illustrating heatmaps / PLoS ONE 11:e111988
Bencke-Malato M / 2014 / Genome-wide annotation of the soybean WRKY family and functional characterization of genes involved in response to Phakopsora pachyrhizi infection / BMC Plant Biol 14:236
Brand LH / 2013 / Elucidating the evolutionary conserved DNA-binding specificities of WRKY transcription factors by molecular dynamics and in vitro binding assays / Nucleic Acids Res 41:1~15
Consortium TIBG / 2012 / A physical, genetic and functional sequence assembly of the barley genome / Nature 491:711~717
Deng W / 2014 / HemI: a toolkit for illustrating heatmaps / PLoS ONE 11:e111988
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