ArticleBMC plant biology2022
miR390 family of Cymbidium goeringii is involved in the development of reproductive organs in transgenic Arabidopsis.
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 6 papers.
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Who cites it
6 citing papers in PubMed.
- Unraveling the Multilayered Regulatory Networks of miRNAs and PhasiRNAs inPlants (Basel, Switzerland) · 2025Article
- Overexpression ofGenes · 2024Article
- Identification of differentially expressed miRNAs between male sterile and fertile floral buds in watermelon (3 Biotech · 2024Article
- OrchidBase 5.0: updates of the orchid genome knowledgebase.BMC plant biology · 2022Article
- Article
- Advances and prospects of orchid research and industrialization.Horticulture research · 2022Article
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5 authors.
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Abstract
backgroundmiR390s is an ancient family with a high level of conservation among plant miRNAs. Through the auxin signal transduction pathway, miR390 participates in diverse biological processes of plant growth and development. As an important Chinese traditional orchid, Cymbidium goeringii has unique flower shape and elegant fragrance. But its development has been greatly restricted because of the low flower bud differentiation and the difficult reproduction. This study aims to provide guidance for the role of cgo-miR390 in reproductive organ development to enhance the ornamental and economic value of Cymbidium.
resultsMIR390a, MIR390b and MIR390c of C. goeringii were cloned, and their length ranged from 130 to 150 nt. Each precursor sequence of cgo-miR390 contains 2 to 3 mature miRNAs. Three kinds of cgo-miR390s displayed distinct temporal and spatial expression patterns during floral development in C. goeringii. The overexpression of MIR390s alters morphology and function of stamens and pistils in Arabidopsis, such as enlargement of anther aspect ratio and separation of stylar and stigmas, which affects the development of fruits and seeds. In particular, the pollen amount decreased and the seed abortion rate increased in cgo-MIR390c-overexpressed plants.
conclusionscgo-miR390 family affected the development of reproductive organs in transgenic Arabidopsis. The study provides references for the genetic improvement for orchid with potentially great economic benefit.
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