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From fruit growth to ripening in plantain: a careful balance between carbohydrate synthesis and breakdown

dc.contributor.authorCampos, N.A.
dc.contributor.authorColombie, S.
dc.contributor.authorMoing, A.
dc.contributor.authorCassan, C.
dc.contributor.authorAmah, D.
dc.contributor.authorSwennen, R.
dc.contributor.authorGibon, Y.
dc.contributor.authorCarpentier, S.C.
dc.date.accessioned2022-09-06T09:45:05Z
dc.date.available2022-09-06T09:45:05Z
dc.date.issued2022-08-11
dc.identifier.citationCampos, N.A., Colombié, S., Moing, A., Cassan, C., Amah, D., Swennen, R., ... & Carpentier, S.C. (2022). From fruit growth to ripening in plantain: a careful balance between carbohydrate synthesis and breakdown. Journal of experimental botany, 73(14), 4832-4849.
dc.identifier.issn0022-0957
dc.identifier.urihttps://hdl.handle.net/20.500.12478/7715
dc.description.abstractIn this study, we aimed to investigate for the first time different fruit development stages in plantain banana in order gain insights into the order of appearance and dominance of specific enzymes and fluxes. We examined fruit development in two plantain banana cultivars during the period between 2–12 weeks after bunch emergence using high-throughput proteomics, quantification of major metabolites, and analyses of metabolic fluxes. Starch synthesis and breakdown are processes that take place simultaneously. During the first 10 weeks fruits accumulated up to 48% of their dry weight as starch, and glucose 6-phosphate and fructose were important precursors. We found a unique amyloplast transporter and hypothesize that it facilitates the import of fructose. We identified an invertase originating from the Musa balbisiana genome that would enable carbon flow back to growth and starch synthesis and maintain a high starch content even during ripening. Enzymes associated with the initiation of ripening were involved in ethylene and auxin metabolism, starch breakdown, pulp softening, and ascorbate biosynthesis. The initiation of ripening was cultivar specific, with faster initiation being particularly linked to the 1-aminocyclopropane-1-carboxylate oxidase and 4-alpha glucanotransferase disproportionating enzymes. Information of this kind is fundamental to determining the optimal time for picking the fruit in order to reduce post-harvest losses, and has potential applications for breeding to improve fruit quality.
dc.description.sponsorshipUnited States Agency for International Development
dc.format.extent4832-4849
dc.language.isoen
dc.subjectBananas
dc.subjectRipening
dc.subjectMusa
dc.subjectSpecies
dc.subjectProteomics
dc.subjectStarch
dc.titleFrom fruit growth to ripening in plantain: a careful balance between carbohydrate synthesis and breakdown
dc.typeJournal Article
cg.contributor.crpRoots, Tubers and Bananas
cg.contributor.affiliationKatholieke Universiteit Leuven
cg.contributor.affiliationUniversité De Bordeaux
cg.contributor.affiliationInternational Institute of Tropical Agriculture
cg.contributor.affiliationBioversity International
cg.coverage.regionAfrica
cg.coverage.regionWest Africa
cg.coverage.countryNigeria
cg.coverage.hubEastern Africa Hub
cg.coverage.hubHeadquarters and Western Africa Hub
cg.researchthemeBiotech and Plant Breeding
cg.identifier.bibtexciteidCAMPOS:2022
cg.isijournalISI Journal
cg.authorship.typesCGIAR and advanced research institute
cg.iitasubjectAgronomy
cg.iitasubjectBanana
cg.iitasubjectFood Security
cg.iitasubjectPlant Breeding
cg.iitasubjectPlant Production
cg.iitasubjectPlantain
cg.journalJournal of Experimental Botany
cg.notesOpen Access Article; Published online: 05 May 2022
cg.accessibilitystatusOpen Access
cg.reviewstatusPeer Review
cg.usagerightslicenseCreative Commons Attribution 4.0 (CC BY 0.0)
cg.targetaudienceScientists
cg.identifier.doihttps://dx.doi.org/10.1093/jxb/erac187
cg.iitaauthor.identifierDelphine Amah: 0000-0002-5706-8773
cg.iitaauthor.identifierRony Swennen: 0000-0002-5258-9043
cg.futureupdate.requiredNo
cg.identifier.issue14
cg.identifier.volume73
cg.contributor.acknowledgementsThe authors would like to thank Kusay Arat for the technical support at SYBIOMA, KU Leuven, Belgium.


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