Key Laboratory of National Forestry and Grassland Administration for Orchid Conservation and Utilization at Landscape Architecture and Arts, Fujian Agriculture and Forestry University, Fuzhou 350002, China.
Int J Mol Sci. 2023 Jan 9;24(2):1261. doi: 10.3390/ijms24021261.
Growth-regulating factor (GRF) is a kind of transcription factor unique to plants, playing an important role in the flowering regulation, growth, and development of plants. is an important member of Melastomataceae, with ornamental, medicinal, and edible benefits. The identification of the GRF gene family in can help to improve their character of flavor and continuous flowering. The members of the GRF gene family were identified from the genome, and their bioinformatics, selective pressure, and expression patterns were analyzed. The results showed that there were 20 GRF genes in . Phylogenetic analysis showed that the 71 GRF genes from , , , and can be divided into three clades and six subclades. The 20 GRF genes of were distributed in twelve chromosomes and one contig. Furthermore, the gene structure and motif analysis showed that the intron and motif within each clade were very similar, but there were great differences among different clades. The promoter contained cis-acting elements related to hormone induction, stress, and growth and development. Different transcriptomic expression of MdGRFs indicated that MdGRFs may be involved in regulating the growth and development of . The results laid a foundation for further study on the function and molecular mechanism of the GRF gene family.
生长调节因子（GRF）是一种植物特有的转录因子，在植物的开花调控、生长和发育中起着重要作用。是野牡丹科的重要成员，具有观赏、药用和食用价值。鉴定中的 GRF 基因家族可以帮助改善其风味和持续开花的特性。从 基因组中鉴定出了 GRF 基因家族成员，并对其进行了生物信息学、选择压力和表达模式分析。结果表明，中有 20 个 GRF 基因。系统发育分析表明，从 、 、 和 鉴定的 71 个 GRF 基因可分为三个分支和六个亚分支。的 20 个 GRF 基因分布在十二条染色体和一个连续体上。此外，基因结构和基序分析表明，每个分支内的内含子和基序非常相似，但不同分支之间存在很大差异。启动子包含与激素诱导、胁迫和生长发育相关的顺式作用元件。不同 MdGRFs 的转录组表达表明，MdGRFs 可能参与调控的生长和发育。该结果为进一步研究 GRF 基因家族的功能和分子机制奠定了基础。
