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Genome-wide characterization of the MADS-box gene family in Paeonia ostii and expression analysis of genes related to floral organ development
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Genome-wide characterization of the MADS-box gene family in Paeonia ostii and expression analysis of genes related to floral organ development
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Journal Article
Genome-wide characterization of the MADS-box gene family in Paeonia ostii and expression analysis of genes related to floral organ development
2025
Overview
Background
Paeonia
section
Moutan
DC. is a significant perennial subshrub, the ornamental value of which heavily depends on the type of flower it possesses. MADS-box transcription factors have a particular impact on the intricate process of floral organ development and differentiation. The release of the whole-genome data from
Paeonia ostii
now allows us to conduct a thorough investigation of the tree peony MADS-box gene family.
Results
In this study, we identified 110
MADS-box
genes in
Paeonia ostii
that were classified into 5 subgroups. Gene structure, domain and motif analyses revealed the conservation of the structure of these subgroups. Analysis of the
cis
-acting elements revealed that the 110
PoMADS
genes contained different kinds of hormones and stress-related
cis
-acting elements in their promoter regions. Quantitative real-time PCR analysis was employed to validate the expression patterns of some
PoMADS
genes related to floral organ development. Genome collinearity analysis with
Arabidopsis
and grape revealed the conservation of
PoMADS
genes during evolution. A total of 857 SSRs were identified by analysing the genome sequences of identified genes. We additionally created protein‒protein interaction networks for PoMADS proteins and analysed proteins that could interact among PoMADSs in
Arabidopsis thaliana
and grape.
Conclusion
These findings offer fundamental insights for understanding the function of the
MADS-box
gene family, which can aid in the selection and breeding of tree peony varieties with high ornamental value in addition to supporting the understanding of the process of tree peony floral organogenesis.
Publisher
BioMed Central,BioMed Central Ltd,Springer Nature B.V,BMC
Subject
/ Analysis
/ Animal Genetics and Genomics
/ Biomedical and Life Sciences
/ Flowers - growth & development
/ Gene Expression Regulation, Plant
/ Genes
/ Genomes
/ Grapes
/ Growth
/ Hormones
/ MADS Domain Proteins - chemistry
/ MADS Domain Proteins - genetics
/ MADS Domain Proteins - metabolism
/ MADS-box
/ Microbial Genetics and Genomics
/ Paeonia - growth & development
/ Peonies
/ Protein-protein interactions
/ Proteins
