ArticlePlant biotechnology journal2018
A comprehensive investigation of starch degradation process and identification of a transcriptional activator MabHLH6 during banana fruit ripening.
Article in Plant biotechnology journal, 2018. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 65 papers.
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65 citing papers in PubMed.
- MaMPK3-2 Phosphorylating and Stabilizing Transcriptional Repressor MaAS1 by Counteracting MaRNF4-Mediated Ubiquitination During Banana Fruit Ripening.Plant biotechnology journal · 2026Article
- Comparative Transcriptomic Analysis Reveals Sugar Metabolism and Accumulation Mechanisms inLife (Basel, Switzerland) · 2026Article
- The ApCtf1β2-ApCUT3 Module Mediates Host Cuticle Penetration and Modulates Immune Responses Thereby Influencing Blight Resistance in Bambusa pervariabilis × Dendrocalamopsis grandis.Plant, cell & environment · 2026Article
- A cool temperature-induced ubiquitination-controlled transcription factor promotes starch degradation and ripening in kiwifruit.Plant communications · 2026Article
- Understanding and modifying starch metabolism to limit yield losses in field-grown cassava.Plant physiology · 2026Article
- The MdERF17-MdbHLH149 Module Mediates Ethylene-Induced Starch Degradation Through the Transcriptional Repression of α-Amylase MdAMY1 in Apple.Plant biotechnology journal · 2026Article
- Transcriptomics and Gene Family Identification of Cell Wall-Related Differentially Expressed Genes RevealPlants (Basel, Switzerland) · 2025Article
- Regulatory role of calcium sulfide in ripening delay of postharvest bananas.Food chemistry. Molecular sciences · 2025Article
- Banana breeding by genome design.Journal of integrative plant biology · 2025Review
- Shaping the future of bananas: advancing genetic trait regulation and breeding in the postgenomics era.Horticulture research · 2025Article
- Impact of Allele-Specific Expression on Ripening and Quality Characteristics of ABB Banana Fruit.International journal of molecular sciences · 2025Article
- Article
- Recent advances and future directions in banana molecular biology and breeding.Molecular horticulture · 2024Review
- The transcription factor PbbHLH164 is destabilized by PbRAD23C/D.1 and mediates ethylene biosynthesis during pear fruit ripening.Journal of advanced research · 2024Article
- Article
- Transcriptome analysis reveals regulatory mechanism of postharvest softening in kiwiberry.BMC plant biology · 2024Article
- MaHsf24, a novel negative modulator, regulates cold tolerance in banana fruits by repressing the expression of HSPs and antioxidant enzyme genes.Plant biotechnology journal · 2024Article
- Molecular Characteristics and Functional Identification of a Key Alpha-Amylase-Encoding GeneInternational journal of molecular sciences · 2024Article
- Banana MabHLH28 positively regulates the expression of softening-related genes to mediate fruit ripening independently or via cooperating with MaWRKY49/111.Horticulture research · 2024Article
- Integration of metabolomics and transcriptomics reveals the regulation mechanism of the phenylpropanoid biosynthesis pathway in insect resistance traits inHorticulture research · 2024Article
5 more citing papers are in PubMed but not listed here.
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7 authors.
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Abstract
Although starch degradation has been well studied in model systems such as Arabidopsis leaves and cereal seeds, this process in starchy fruits during ripening, especially in bananas, is largely unknown. In this study, 38 genes encoding starch degradation-related proteins were identified and characterized from banana fruit. Expression analysis revealed that 27 candidate genes were significantly induced during banana fruit ripening, with concomitant conversion of starch-to-sugars. Furthermore, iTRAQ-based proteomics experiments identified 18 starch degradation-associated enzymes bound to the surface of starch granules, of which 10 were markedly up-regulated during ripening. More importantly, a novel bHLH transcription factor, MabHLH6, was identified based on a yeast one-hybrid screening using MaGWD1 promoter as a bait. Transcript and protein levels of MabHLH6 were also increased during fruit ripening. Electrophoretic mobility shift assays, chromatin immunoprecipitation and transient expression experiments confirmed that MabHLH6 activates the promoters of 11 starch degradation-related genes, including MaGWD1, MaLSF2, MaBAM1, MaBAM2, MaBAM8, MaBAM10, MaAMY3, MaAMY3C, MaISA2, MaISA3 and MapGlcT2-2 by recognizing their E-box (CANNTG) motifs present in the promoters. Collectively, these findings suggest that starch degradation during banana fruit ripening may be attributed to the complex actions of numerous enzymes related to starch breakdown at transcriptional and translational levels, and that MabHLH6 may act as a positive regulator of this process via direct activation of a series of starch degradation-related genes.
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