ArticleFrontiers in plant science2022
A banana transcriptional repressor MaAP2a participates in fruit starch degradation during postharvest ripening.
Article in Frontiers in plant science, 2022. 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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3 citing papers in PubMed, 11 citations in OpenAlex.
- Genome-wide analysis of the AP2 transcription factor family in cultivated sugarcane reveals ShAP2-1 as an enhancer of drought tolerance.BMC plant biology · 2026Article
- Shaping the future of bananas: advancing genetic trait regulation and breeding in the postgenomics era.Horticulture research · 2025Article
- Molecular Characteristics and Functional Identification of a Key Alpha-Amylase-Encoding GeneInternational journal of molecular sciences · 2024Article
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8 authors at 2 institutions in 1 country.
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Abstract
Fruit postharvest ripening is a crucial course for many fruits with significant conversion of biosubstance, which forms an intricate regulatory network. Ethylene facilitates the ripening process in banana with a remarkable change of fruit starch, but the mechanism adjusting the expression of starch degradation-related enzyme genes is incompletely discovered. Here, we describe a banana APETALA2 transcription factor (MaAP2a) identified as a transcriptional repressor with its powerful transcriptional inhibitory activity. The transcriptional level of MaAP2a gradually decreased with the transition of banana fruit ripening, suggesting a passive role of MaAP2a in banana fruit ripening. Moreover, MaAP2a is a classic nucleoprotein and encompasses transcriptional repressor domain (EAR, LxLxLx). More specifically, protein-DNA interaction assays found that MaAP2a repressed the expression of 15 starch degradation-related genes comprising
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