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논문 기본 정보

자료유형
학술저널
저자정보
Zhanghui Dong (Shijiazhuang Academy of Agricultural and Forestry Sciences) Jianhong Zhang (Hebei Academy of Agriculture and Forestry Sciences) Qingzhu Zhu (Shijiazhuang Academy of Agricultural and Forestry Sciences) Lifen Zhao (Shijiazhuang Academy of Agricultural and Forestry Sciences) Shuxiang Sui (Shijiazhuang Academy of Agricultural and Forestry Sciences) Zengshu Li (Shijiazhuang Academy of Agricultural and Forestry Sciences) Yanli Zhang (Shijiazhuang Academy of Agricultural and Forestry Sciences) Hu Wang (Shijiazhuang Academy of Agricultural and Forestry Sciences) Dongliang Tian (Shijiazhuang Academy of Agricultural and Forestry Sciences) Yankun Zhao (Shijiazhuang Academy of Agricultural and Forestry Sciences)
저널정보
한국유전학회 Genes & Genomics Genes & Genomics Vol.40 No.3
발행연도
2018.1
수록면
305 - 314 (10page)

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Drought stress is one of the most important abiotic stresses. Cotton is classified as drought tolerant crop but the regulatory mechanism is unknown. MicroRNAs (miRNAs) have been implicated important roles in stress responses in many plants. However, the study of miRNAs in cotton responsive to drought stress is limited, especially in early-maturing cotton. In this study, we performed deep sequencing of small RNAs to identify known and novel miRNAs involved in the regulation of drought stress and understand the expression profile of miRNAs in early-maturing cotton. Three cotton small RNA libraries: non-stressed Shizao1 (early-maturing cotton variety) library (NSS), drought-stressed Shizao1 library (DSS) and non-stressed Jimian958 (medium-maturing cotton variety) library (NSJ) were constructed for deep sequencing. As a result, we identified a total of 64 known and 67 novel miRNAs in the 3 libraries and 88 of them were dramatically differentially expressed (greater than twofold) during drought stress. In addition, we found the expression of 41 miRNAs increased or reduced more than twofold in early-maturing cotton variety compared with that in medium-maturing cotton variety. Our results significantly increased the number of miRNAs in cotton and revealed for the first time the expression profile of miRNAs for early-maturing cotton.

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