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Set up from the beginning: the origin and early development of cassava storage roots

dc.contributor.authorCarluccio, A.
dc.contributor.authorDavid, L.C.
dc.contributor.authorClaußen, J.
dc.contributor.authorSulley, M.
dc.contributor.authorAdeoti, S.R.
dc.contributor.authorAbdulsalam, T.
dc.contributor.authorGerth, S.
dc.contributor.authorZeeman, S.C.
dc.contributor.authorGisel, A.
dc.contributor.authorStavolone, L.
dc.date.accessioned2022-05-05T11:53:07Z
dc.date.available2022-05-05T11:53:07Z
dc.date.issued2022
dc.identifier.citationCarluccio, A., David, L.C., Claußen, J., Sulley, M., Adeoti, S.R., Abdulsalam, T., ... & Stavolone, L. (2022). Set up from the beginning: the origin and early development of cassava storage roots. Plant, Cell and Environment, 1-17.
dc.identifier.issn0140-7791
dc.identifier.urihttps://hdl.handle.net/20.500.12478/7441
dc.description.abstractDespite the importance of storage root (SR) organs for cassava and the other root crops yield, their developmental origin is poorly understood. Here we use multiple approaches to shed light on the initial stages of root development demonstrating that SR and fibrous roots (FR) follow different rhizogenic processes. Transcriptome analysis carried out on roots collected before, during and after root bulking highlighted early and specific activation of a number of functions essential for root swelling and identified root-specific genes able to effectively discriminate emerging FR and SR. Starch and sugars start to accumulate at a higher rate in SR before they swell but only after parenchyma tissue has been produced. Finally, using non-destructive computed tomography measurements, we show that SR (but not FR) contain, since their emergence from the stem, an inner channel structure in continuity with the stem secondary xylem, indicating that SR derive from a distinct rhizogenic process compared with FR.
dc.description.sponsorshipBill & Melinda Gates Foundation
dc.format.extent1-17
dc.language.isoen
dc.subjectRoots
dc.subjectDevelopment
dc.subjectCassava
dc.subjectManihot Esculenta
dc.subjectDna
dc.subjectRna
dc.titleSet up from the beginning: the origin and early development of cassava storage roots
dc.typeJournal Article
cg.contributor.crpRoots, Tubers and Bananas
cg.contributor.affiliationInternational Institute of Tropical Agriculture
cg.contributor.affiliationInstitute for Sustainable Plant Protection, Italy
cg.contributor.affiliationInstitute of Molecular Plant Biology, Switzerland
cg.contributor.affiliationFraunhofer‐Institut für Integrierte Schaltungen IIS
cg.contributor.affiliationInstitute for Biomedical Technologies, Italy
cg.coverage.regionAfrica
cg.coverage.regionWest Africa
cg.coverage.countryNigeria
cg.coverage.hubHeadquarters and Western Africa Hub
cg.researchthemeBiotech and Plant Breeding
cg.identifier.bibtexciteidCARLUCCIO:2022
cg.isijournalISI Journal
cg.authorship.typesCGIAR and advanced research institute
cg.iitasubjectAgronomy
cg.iitasubjectCassava
cg.iitasubjectFood Security
cg.iitasubjectPlant Breeding
cg.iitasubjectPlant Production
cg.journalPlant, Cell and Environment
cg.notesOpen Access Article; Published online: 01 Mar 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/10.1111/pce.14300
cg.iitaauthor.identifierANDREAS GISEL: 0000-0001-7218-9488
cg.iitaauthor.identifierLIVIA STAVOLONE: 0000-0002-0691-1302
cg.futureupdate.requiredNo
cg.contributor.acknowledgementsThe authors are grateful to Anetor Omonuwa and Brandon Harris for excellent technical assistance, and to Peter Iluebbey and IITA Cassava Breeding Unit for logistic support on the fieldwork. This study was supported by the Bill and Melinda Gates Foundation through the grant INV-008053 'Metabolic Engineering of Carbon Pathways to Enhance Yield of Root and Tuber Crops' and Roots and Tubers Programme (RTB) of the Consultative Group on International Agricultural Research (CGIAR).


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