ArticlePlant cell reports2015
DhEFL2, 3 and 4, the three EARLY FLOWERING4-like genes in a Doritaenopsis hybrid regulate floral transition.
Article in Plant cell reports, 2015. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 4 papers.
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4 citing papers in PubMed, 13 citations in OpenAlex.
- Dual roles of pear EARLY FLOWERING 4 -like genes in regulating flowering and leaf senescence.BMC plant biology · 2024Article
- Genome-Wide Identification of theFrontiers in genetics · 2021Article
- Floral Induction and Flower Development of Orchids.Frontiers in plant science · 2019Review
- Current progress in orchid flowering/flower development research.Plant signaling & behavior · 2017Review
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Authors and funding
7 authors at 3 institutions in 2 countries.
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No grant is acknowledged in the PubMed record.
Abstract
key messageDhEFL2, 3 and 4 regulate the flowering of Doritaenopsis . These genes could rescue elf4-1 phenotype in Arabidopsis while its overexpression delayed flowering. Phalaenopsis are popular floral plants, and studies on orchid flowering genes could help develop off-season cultivars. Early flowering 4 (ELF4) of A. thaliana has been shown to be involved in photoperiod perception and circadian regulation. We isolated two members of the ELF4 family from Doritaenopsis hybrid (Doritaenopsis 'Tinny Tender' (Doritaenopsis Happy Smile × Happy Valentine)), namely, DhEFL2 and DhEFL3 (DhEFL4 has been previously cloned). Multiple alignment analysis of the deduced amino acid sequences of the three DhEFL homologs showed that DhEFL4 and DhEFL2 are similar with 72% identical amino acids, whereas DhEFL3 is divergent with 72% similarity with DhEFL2 and 68% similarity with DhEFL4. DhEFL3 forms a separate phylogenetic subgroup and is far away from DhEFL2 and DhEFL4. The diurnal expression patterns of DhEFL2, 3, and 4 are similar in the long-day photoperiod conditions; however, in the short-day conditions, DhEFL3 is different from DhEFL2 and 4. For the DhEFL2, 3, and 4 genes, the strongest audience expression organs are the stem, petal and bud, respectively. The ectopic expression of DhEFL2, 3, or 4 in transgenic A. thaliana plants (Ws-2 ecotype) showed novel phenotypes by late flowering and more rosette leaves. The ectopic expression of DhEFL2, 3, or 4 could complement the elf4-1 flowering time and hypocotyl length defects in transgenic A. thaliana elf4-1 mutant plants. These results strongly suggest that DhEFL2, 3, and 4 may be involved in regulation of flower formation and floral induction in Doritaenopsis.
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