ArticleBMC plant biology2022
Less is more: natural variation disrupting a miR172 gene at the di locus underlies the recessive double-flower trait in peach (P. persica L. Batsch).
Article in BMC plant biology, 2022. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 8 papers.
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Who cites it
8 citing papers in PubMed, 28 citations in OpenAlex.
- miR172-Mediated Repression ofInternational journal of molecular sciences · 2026Article
- AnPlants (Basel, Switzerland) · 2025Article
- APETALA2-like Floral Homeotic Protein Up-RegulatingInternational journal of molecular sciences · 2024Article
- Molecular and genetic regulation of petal number variation.Journal of experimental botany · 2024Review
- euAP2a, a key gene that regulates flowering time in peach (Horticulture research · 2024Article
- Mutations overlying the miR172 target site of TOE-type genes are prime candidate variants for the double-flower trait in mei.Scientific reports · 2024Article
- Seasonal variation of two floral patterns in Clematis 'Vyvyan Pennell' and its underlying mechanism.BMC plant biology · 2024Article
- Small RNA Differential Expression Analysis Reveals miRNAs Involved in Dormancy Progression in Sweet Cherry Floral Buds.Plants (Basel, Switzerland) · 2022Article
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Authors and funding
9 authors at 3 institutions in 1 country.
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No grant is acknowledged in the PubMed record.
Abstract
backgroundWith the domestication of ornamental plants, artificial selective pressure favored the propagation of mutations affecting flower shape, and double-flower varieties are now readily available for many species. In peach two distinct loci control the double-flower phenotype: the dominant Di2 locus, regulated by the deletion of the binding site for miR172 in the euAP2 PETALOSA gene Prupe.6G242400, and the recessive di locus, of which the underlying factor is still unknown.
resultsBased on its genomic location a candidate gene approach was used to identify genetic variants in a diverse panel of ornamental peach accessions and uncovered three independent mutations in Prupe.2G237700, the gene encoding the transcript for microRNA miR172d: a ~5.0 Kb LTR transposable element and a ~1.2 Kb insertion both positioned upstream of the sequence encoding the pre-miR172d within the transcribed region of Prupe.2G237700, and a ~9.5 Kb deletion encompassing the whole gene sequence. qRT-PCR analysis confirmed that expression of pre-miR172d was abolished in di/di genotypes homozygous for the three variants.
conclusionsCollectively, PETALOSA and the mutations in micro-RNA miR172d identified in this work provide a comprehensive collection of the genetic determinants at the base of the double-flower trait in the peach germplasms.
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