期刊
INTERNATIONAL JOURNAL OF MOLECULAR SCIENCES
卷 22, 期 21, 页码 -出版社
MDPI
DOI: 10.3390/ijms222111968
关键词
genome-wide; Prunus avium; auxin response; gene family; fruitlet abscission
资金
- Core Program of Education Department of Guizhou Province [KY2021-038]
- Agricultural Core Programs of Guizhou Province, P. R. China [2020-1Y133, 2021-231]
- Innovation Talent Program of Guizhou Province, China [2016 4010]
In this study, 16 ARF members were identified in the sweet cherry genome, revealing their role in plant growth, development, and fruit abscission. The genes are located in the nucleus, have similar exon-intron structures, and are categorized into different subgroups based on phylogenetic analysis. Additionally, the promoter sequences contain plant hormone-related elements and stress response elements, contributing to a comprehensive understanding of PavARF in sweet cherry fruits.
Auxin response factors (ARFs) play a vital role in plant growth and development. In the current study, 16 ARF members have been identified in the sweet cherry (Prunus avium L.) genome. These genes are all located in the nucleus. Sequence analysis showed that genes in the same subgroup have similar exon-intron structures. A phylogenetic tree has been divided into five groups. The promoter sequence includes six kinds of plant hormone-related elements, as well as abiotic stress response elements such as low temperature or drought. The expression patterns of PavARF in different tissues, fruitlet abscission, cold and drought treatment were comprehensively analyzed. PavARF10/13 was up-regulated and PavARF4/7/11/12/15 was down-regulated in fruitlet abscising. These genes may be involved in the regulation of fruit drop in sweet cherry fruits. This study comprehensively analyzed the bioinformatics and expression pattern of PavARF, which can lay the foundation for further understanding the PavARF family in plant growth development and fruit abscission.
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