Identification and characterization of MADS-box gene family in flax, Linum usitatissimum L. and its role under abiotic stress
文献类型： 外文期刊
作者： Lu, Jianyu 1 ; Wu, Hanlu 1 ; Pitt, David Michael 1 ; Liu, Xinyang 1 ; Song, Xixia 2 ; Yuan, Hongmei 2 ; Ma, Yuntao 4 ; Li, Shuyao 1 ; Zang, Zhenyuan 1 ; Zhang, Jun 1 ; Deyholos, Michael K. 3 ; Zhang, Jian 1 ;
作者机构： 1.Jilin Agr Univ, Fac Agron, Changchun 130118, Peoples R China
2.Heilongjiang Acad Agr Sci, Haerbing, Peoples R China
3.Univ British Columbia, Dept Biol, Kelowna, BC V5K1K5, Canada
4.China Agr Univ, Coll Land Sci & Technol, Beijing, Peoples R China
期刊名称：ISCIENCE （ 影响因子：4.1； 五年影响因子：4.7 ）
ISSN：
年卷期： 2024 年 27 卷 12 期
页码：
收录情况： SCI
摘要： MADS-box transcription factors play critical roles in plant development and stress responses. In this study, we identified 114 LuMADS genes in flax ( Linum usitatissimum L.) and analyzed their phylogenetic relationships, gene structure, conserved motifs, miRNA targets, and expression patterns. We classified 45 LuMADS proteins as type I and 69 as type II, further subdivided into 11 subfamilies. Notably, lus-miR396 and lusmiR156 were identified as primary miRNA targets. Cis-acting elements in the promoter regions suggested roles in hormone and stress responses. Expression analysis revealed type II LuMADS genes were associated with floral organ formation and abiotic stresses such as cold, drought, and salt. This research provides insights for improving flax stress resistance and breeding.
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