Integration of Genome and Transcriptome Reveal Molecular Regulation Mechanism of Early Flowering Trait in Genus ( and )

Overview

Journal Front Plant Sci

Date 2022 Oct 24

PMID 36275593

Authors

Ping Li

Qin Zhang

BaoSheng Shi

Liu Liu

Xiaoman Zhang

Jia Wang

Haihui Yi

Affiliations

Soon will be listed here.

Abstract

Flowering time is crucial for the survival and reproduction. genus belongs to the Rosaceae family and includes several hundred species of flowering trees and shrubs with important ornamental and economic values. However, the molecular mechanism underlying early flowering in genus is unclear. Here, we utilized the genome and transcriptome of and to explore the transcriptional regulation mechanism of early flowering. Comparative genomics found that genes accounting for 92.4% of the total genome and 91.2% of the total genome belonged to orthogroups. A total of 19,169 orthogroups were found between and , including 20,431 corresponding orthologues and 20,080 collinearity gene pairs. A total of 305 differentially expressed genes (DEGs) associated with early flowering were found, among which , , and were identified as hub genes in the early flowering regulation pathway. Moreover, we identified twenty-five transcription factors (TFs) from nine protein families, including MADS-box, AP2/ERF, and MYB. Our results provide insights into the underlying molecular model of flowering time regulation in genus and highlight the utility of multi-omics in deciphering the properties of the inter-genus plants.

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