Evidence map›Paper›PMID 40413394›Full record

ArticleBMC plant biology2025

Transcriptome analysis reveals the mechanisms underlying petal growth during the flower opening process in Phalaenopsis orchids.

Yunxiao Guan, Qiaoyu Zhang, Ting Zhang, Minghe Li, Ye Ai, Junwen Zhai, Siren Lan, Zhong-Jian Liu, Shasha Wu, Donghui Peng

Abstract read
In one paragraph

Article in BMC plant biology, 2025. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 3 papers.

0numbers the graph read from it
0cells of the map it votes in
3citing papers in PubMed
–field-weighted citation impact
1 · What the graph read from it

What it found

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2 · The registry

The trial behind it

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3 · Its place in the literature

Who cites it

3 citing papers in PubMed.

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4 · The record

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PubMed lists nothing against this paper. Absence here is not a guarantee, only a check that was made.

5 · Who and what money

Authors and funding

10 authors.

Yunxiao GuanKey Laboratory of National Forestry and Grassland Administration for Orchid Conservation and Utilization, College of Landscape Architecture and Art, Fujian Agriculture and Forestry University, Fuzhou, 350002, China.
Qiaoyu ZhangKey Laboratory of National Forestry and Grassland Administration for Orchid Conservation and Utilization, College of Landscape Architecture and Art, Fujian Agriculture and Forestry University, Fuzhou, 350002, China.
Ting ZhangInstitute of Botany, Jiangsu Province and Chinese Academy of Sciences (Nanjing Botanical Garden Mem. Sun Yat-Sen), Nanjing, 210014, China.
Minghe LiKey Laboratory of National Forestry and Grassland Administration for Orchid Conservation and Utilization, College of Landscape Architecture and Art, Fujian Agriculture and Forestry University, Fuzhou, 350002, China.
Ye AiKey Laboratory of National Forestry and Grassland Administration for Orchid Conservation and Utilization, College of Landscape Architecture and Art, Fujian Agriculture and Forestry University, Fuzhou, 350002, China.
Junwen ZhaiKey Laboratory of National Forestry and Grassland Administration for Orchid Conservation and Utilization, College of Landscape Architecture and Art, Fujian Agriculture and Forestry University, Fuzhou, 350002, China.
Siren LanKey Laboratory of National Forestry and Grassland Administration for Orchid Conservation and Utilization, College of Landscape Architecture and Art, Fujian Agriculture and Forestry University, Fuzhou, 350002, China.
Zhong-Jian LiuKey Laboratory of National Forestry and Grassland Administration for Orchid Conservation and Utilization, College of Landscape Architecture and Art, Fujian Agriculture and Forestry University, Fuzhou, 350002, China.
Shasha WuKey Laboratory of National Forestry and Grassland Administration for Orchid Conservation and Utilization, College of Landscape Architecture and Art, Fujian Agriculture and Forestry University, Fuzhou, 350002, China. shashawu1984@126.com.
Donghui PengKey Laboratory of National Forestry and Grassland Administration for Orchid Conservation and Utilization, College of Landscape Architecture and Art, Fujian Agriculture and Forestry University, Fuzhou, 350002, China. fjpdh@126.com.

Funding

the "Five New Agricultural Engineering" Project released by the Development and Reform Commission of Fujian Province 2018 [(2018)0438]the Foundation of Key Laboratory of Flower Biology and Germplasm Innovation from Ministry of Agriculture and Rural Affairs KFF202403the National Key Research and Development Program of China 2023YFD2300904the Technical Services for Introduction and Domestication of Orchids in Sanjiangkou Botanical Garden, Fuzhou KH240047A
6 · The paper itself

Abstract

backgroundPhalaenopsis orchids, belonging to the Orchidaceae family, one of the largest groups of angiosperms, possess significant commercial value due to their fascinating flowers. Petal size is a vital trait that directly determines flower size and shape of Phalaenopsis. However, the genetic and developmental regulation of petal size in Phalaenopsis remains unexplored.

resultsIn this study, we tracked the petal growth pattern through five stages of flower opening, discovering that cell division stops at stage 2 and stages 3 to 5 are the critical periods of rapid petal expansion. RNA-seq was then conducted to further reveal the molecular mechanisms underlying petal size regulation. Gene ontology (GO) analysis indicated that the differentially expressed genes (DEGs) from the four comparable groups were both enriched in terms related to cell expansion. Endogenous hormone assays showed that auxin, cytokinin, and gibberellin were implicated in the petal growth of Phalaenopsis. Moreover, six auxin signaling pathway genes, 11 cell expansion-related genes, and 30 transcription factors (TFs) identified through trend analysis were abundantly expressed during the critical period of petal expansion, suggesting that they may influence petal size by regulating cell expansion. In contrast, 18 TFs exhibited the highest expression levels at the S1 stage, indicating their potential role in petal cell proliferation. Based on weighted gene co-expression network analysis (WGCNA), six hub genes (PaLOF2, PaSWEET11, PaVNI2, PaHDA3, PaPMEI3, PaXTH30) were screened from the green and yellow module which was highly associated with the petal size.

conclusionOur results lay a foundation for further exploration of the molecular mechanisms regulating petal size development and are significant for molecular breeding programs aimed at generating novel Phalaenopsis with desirable traits.

Indexed as

FlowersOrchidaceaeTranscriptomeGene Expression ProfilingGene Expression Regulation, PlantPlant Growth RegulatorsTranscription FactorsPlant Growth RegulatorsTranscription FactorsCell divisionCell expansionDifferentially expressed genesPetal growthPhalaenopsisRNA-seq

Identifiers

PMID40413394
PMCPMC12102874

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Read under generation 80e0d062 · epoch 390. Bibliography from PubMed, PubMed Central and OpenAlex; grants from NIH RePORTER; trial links from ClinicalTrials.gov; estimates, votes and beliefs from the OpenQuestion graph.