Evidence map›Paper›PMID 40410678›Full record

ArticleBMC genomics2025

A genome-wide association study reveals that DgFH18 and DgCMO-like are associated with flowering time in orchardgrass (Dactylis glomerata).

Miaoli Wang, Guangyan Feng, Zhongfu Yang, Lei Cao, Gang Nie, Xiaoheng Xu, Feixiang Hao, Linkai Huang, Xinquan Zhang

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Article in BMC genomics, 2025. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Not yet cited in PubMed.

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5 · Who and what money

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9 authors.

Miaoli WangCollege of Grassland Science and Technology, Sichuan Agricultural University, Chengdu, 611130, China.
Guangyan FengCollege of Grassland Science and Technology, Sichuan Agricultural University, Chengdu, 611130, China.
Zhongfu YangDepartment of Grassland Science, College of Animal Science, Guizhou University, Guiyang, 550000, China.
Lei CaoCollege of Grassland Science and Technology, Sichuan Agricultural University, Chengdu, 611130, China.
Gang NieCollege of Grassland Science and Technology, Sichuan Agricultural University, Chengdu, 611130, China.
Xiaoheng XuCollege of Grassland Science and Technology, Sichuan Agricultural University, Chengdu, 611130, China.
Feixiang HaoCollege of Grassland Science and Technology, Sichuan Agricultural University, Chengdu, 611130, China.
Linkai HuangCollege of Grassland Science and Technology, Sichuan Agricultural University, Chengdu, 611130, China. huanglinkai@sicau.edu.cn.
Xinquan ZhangCollege of Grassland Science and Technology, Sichuan Agricultural University, Chengdu, 611130, China. zhangxq@sicau.edu.cn.

Funding

No grant is acknowledged in the PubMed record.

6 · The paper itself

Abstract

backgroundFlowering is a tightly regulated process influencing yield and promoting plant genetic diversity and conservation. Orchardgrass (Dactylis glomerata) exhibits excellent yield traits and stress resistance, making it ideal for animal husbandry and ecological restoration. However, the molecular regulatory factors of the flowering time of orchardgrass are still unknown, limiting its molecular breeding.

resultsTo speed up molecular breeding to enhance flowering traits in orchardgrass, we conducted a genome-wide association study (GWAS). A diverse panel of 249 orchardgrass accessions was phenotyped for heading stage and flowering time. GWAS analysis identified 359 candidate genes that overlapped or were adjacent to effective single-nucleotide polymorphisms (SNPs), which were considered potential flowering time-related genes. Furthermore, we validated that formin-like protein 18 (DgFH18) and choline monooxygenase (DgCMO-like) was two important flowering candidate genes by overexpressing them in Arabidopsis to unravel their potential functions. Overexpression of DgFH18 and DgCMO-like positively regulated flowering time by inducing the expression of flowering-related genes. Moreover, sucrose treatment could significantly promote the expression of flavonoid pathway genes and enhance the content of total flavonoids and anthocyanins in the DgCMO-like-overexpressing lines compared to the wild type.

conclusionThese results provide valuable resources for future orchardgrass breeding programs and broaden the current comprehension of flowering time regulation in perennial grasses.

Indexed as

DactylisFlowersGenome-Wide Association StudyPlant ProteinsArabidopsisGene Expression Regulation, PlantPhenotypePolymorphism, Single NucleotidePlant ProteinsDactylis glomerata L.Flowering timeGenome-wide association analysis

Identifiers

PMID40410678
PMCPMC12100859

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