Identification and Expression Analysis of DFR Gene Family in Brassica napus L.

被引：9

作者：

Qian, Xingzhi ^{[1
]}

Zheng, Wenyin ^{[1
]}

Hu, Jian ^{[1
]}

Ma, Jinxu ^{[1
]}

Sun, Mengyuan ^{[1
]}

Li, Yong ^{[1
]}

Liu, Nian ^{[1
]}

Chen, Tianhua ^{[1
]}

Wang, Meiqi ^{[1
]}

Wang, Ling ^{[1
]}

Hou, Xinzhe ^{[1
]}

Cai, Qingao ^{[1
]}

Ye, Zhaoshun ^{[1
]}

Zhang, Fugui ^{[1
]}

Zhu, Zonghe ^{[1
]}

机构：

[1] Anhui Agr Univ, Coll Agron, Hefei 230036, Peoples R China

来源：

PLANTS-BASEL | 2023年 / 12卷 / 13期

关键词：

Brassica napus L; DFR gene family; gene expression; bioinformatics analysis; TEMPORAL EXPRESSION; FLOWER COLOR; PROTEIN; BIOSYNTHESIS; PIGMENTATION; PREDICTION; EVOLUTION; REDUCTASE; ELEMENTS; PATHWAY;

D O I：

10.3390/plants12132583

中图分类号：

Q94 [植物学];

学科分类号：

071001 ;

摘要：

Dihydroflavonol 4-reductase (DFR) is a key enzyme in the flavonoid biosynthetic pathway and is essential for the formation of plants' color. In this study, 26 BnDFR genes were identified using 6 Arabidopsis DFR genes as reference. The physicochemical properties, subcellular localization, and conserved structure of BnDFR proteins were analyzed; the evolutionary relationship, collinearity analysis, and expression characteristics of BnDFR genes were studied; and the correlation between the expression level of BnDFR genes and anthocyanin content in rape petals were analyzed. The results showed that the 26 BnDFRs were located in chloroplasts, cytoplasm, nuclei, and mitochondria, distributed on 17 chromosomes, and divided into 4 groups; members of the same group have a similar function, which may be related to the environmental response elements and plant hormone response elements. Intraspecific collinearity analysis showed 51 pairs of collinear genes, and interspecific collinearity analysis showed 30 pairs of collinear genes. Analysis of the expression levels of BnDFRs and anthocyanin content in different color rape petals showed that BnDFR6 and BnDFR26 might play an important role in the synthesis of anthocyanins in rape petals. This provides theoretical guidance for further analysis of the anthocyanin anabolism mechanism involved in the DFR gene in Brassica napus.

引用

页数：17

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