ArticleBMC plant biology2020
Potential function of CbuSPL and gene encoding its interacting protein during flowering in Catalpa bungei.
Article in BMC plant biology, 2020. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 5 papers.
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Who cites it
5 citing papers in PubMed.
- TaSPL6B, a member of the Squamosa promoter binding protein-like family, regulates shoot branching and florescence in Arabidopsis thaliana.BMC plant biology · 2024Article
- Genome-Wide Identification and Expression Analysis of the SQUAMOSA Promoter-Binding Protein-like (International journal of molecular sciences · 2023Article
- Molecular identification and functional verification of SPL9 and SPL15 of Lilium.Molecular genetics and genomics : MGG · 2022Article
- Multi-omics sequencing provides insight into floral transition in Catalpa bungei. C.A. Mey.BMC genomics · 2020Article
- In Vitro Analytical Approaches to Study Plant Ligand-Receptor Interactions.Plant physiology · 2020Review
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Authors and funding
12 authors.
Funding
Abstract
background"Bairihua", a variety of the Catalpa bungei, has a large amount of flowers and a long flowering period which make it an excellent material for flowering researches in trees. SPL is one of the hub genes that regulate both flowering transition and development.
resultsSPL homologues CbuSPL9 was cloned using degenerate primers with RACE. Expression studies during flowering transition in "Bairihua" and ectopic expression in Arabidopsis showed that CbuSPL9 was functional similarly with its Arabidopsis homologues. In the next step, we used Y2H to identify the proteins that could interact with CbuSPL9. HMGA, an architectural transcriptional factor, was identified and cloned for further research. BiFC and BLI showed that CbuSPL9 could form a heterodimer with CbuHMGA in the nucleus. The expression analysis showed that CbuHMGA had a similar expression trend to that of CbuSPL9 during flowering in "Bairihua". Intriguingly, ectopic expression of CbuHMGA in Arabidopsis would lead to aberrant flowers, but did not effect flowering time.
conclusionsOur results implied a novel pathway that CbuSPL9 regulated flowering development, but not flowering transition, with the participation of CbuHMGA. Further investments need to be done to verify the details of this pathway.
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