ArticleBMC plant biology2018
Dosage imbalance of B- and C-class genes causes petaloid-stamen relating to F
Article in BMC plant biology, 2018. 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, 18 citations in OpenAlex.
- Detection of Different Patterns of Genome-Wide Gene Expression Disturbance in Three Nullisomy Lines in AllotetraploidPlants (Basel, Switzerland) · 2025Article
- Transcriptomics analyses reveal the key genes involved in stamen petaloid formation in Alcea rosea L.BMC plant biology · 2024Article
- From qualitative to quantitative: the state of the art and challenges for plant synthetic biology.Quantitative biology (Beijing, China) · 2023Review
- All-flesh fruit in tomato is controlled by reduced expression dosage of AFF through a structural variant mutation in the promoter.Journal of experimental botany · 2022Article
- Elucidating Mitochondrial DNA Markers ofFrontiers in plant science · 2021Article
- Differentially Expressed Genes between Carrot Petaloid Cytoplasmic Male Sterile and Maintainer during Floral Development.Scientific reports · 2019Article
Corrections and comments
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Authors and funding
5 authors at 1 institution in 2 countries.
Funding
Abstract
backgroundGreat advances have been achieved in our understanding of flower development and evolution since the establishment of the ABC model. However, it remains a challenge to define the exact context of organ identity in the component interactions of the ABC model.
resultsThrough hybridization, we detected a homeotic mutant in Petrocosmea (Gesneriaceae) uniquely displayed by the 'petaloid-stamen' in the third whorl with petal identity. Comparative Real-time PCR analyses demonstrate that both two B-class genes DEF2 and GLO are excessively expressed while the transcripts of the C-class gene PLE are reduced in the third floral whorl in the mutant compared to that in the wild-type F
conclusionsOur findings suggest that the petaloid-stamen is consequent upon an evident dosage imbalance between B- and C-class products that is probably triggered by a cis-regulatory change. In addition, the genetic pathway for the floral organ identity might be in parallel with that for the floral symmetry. The extreme variation in hybrids further suggests that interspecific hybridization may represent a major factor for evolutionary innovation and diversification in plants.
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