ArticlePloS one2019
Functional study of the brassinosteroid biosynthetic genes from Selagnella moellendorfii in Arabidopsis.
Article in PloS one, 2019. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 3 papers.
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Who cites it
3 citing papers in PubMed, 11 citations in OpenAlex.
- Progestogens and androgens influence root morphology of angiosperms in a brassinosteroid-independent manner.The Plant journal : for cell and molecular biology · 2025Article
- Effects of Different Modified Biochars on Growth ofPlants (Basel, Switzerland) · 2025Article
- Evolution, classification, structure, and functional diversification of steroid 5α-reductase family in eukaryotes.Heliyon · 2024Review
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Authors and funding
6 authors at 2 institutions in 1 country.
Funding
No grant is acknowledged in the PubMed record.
Abstract
Brassinosteroids (BRs) are essential hormones for plant growth and development. Enzymes DET2 and CYP90 family are responsible for BR biosynthesis in seed plants. Yet, their roles in non-seed plants are unknown. Here, we report the first functional study of DET2 and all 4 CYP90 genes isolated from Selaginella moellendorfii. Sm89026 (SmCPD) belonged to a clade with CYP90A1 (CPD) and CYP90B1 (DWF4) while Sm182839, Sm233379 and Sm157387 formed a distinct clade with CYP90C1 (ROT3) and CYP90D1. SmDET2, SmCPD and Sm157387 were highly expressed in both leaves and strobili while Sm233379 was only highly expressed in the leaves but not strobili, implying their differential functions in a tissue-specific manner in S. moellendorfii. We showed that only SmDET2 and SmCPD completely rescued Arabidopsis det2 and cpd mutant phenotypes, respectively, suggestive of their conserved BR biosynthetic functions. However, neither SmCPD nor other CYP90 genes rescued any other cyp90 mutants. Yet overexpression of Sm233379 altered plant fertility and BR response, which means that Sm233379 is not an ortholog of any CYP90 genes in Arabidopsis but appears to have a BR function in the S. moellendorfii leaves. This function is likely turned off during the development of the strobili. Our results suggest a dramatic functional divergence of CYP90 family in the non-seed plants. While some of them are functionally similar to that of seed plants, the others may be functionally distinct from that of seed plants, shedding light for future exploration.
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