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A multi-platform data integration approach for characterizing drought memory in sugarcane

Grant number: 19/08047-2
Support type:Regular Research Grants
Duration: January 01, 2021 - May 31, 2023
Field of knowledge:Agronomical Sciences - Agronomy - Crop Science
Cooperation agreement: DAAD
Mobility Program: SPRINT - Projetos de pesquisa - Mobilidade
Principal researcher:Rafael Vasconcelos Ribeiro
Grantee:Rafael Vasconcelos Ribeiro
Principal researcher abroad: Alisdair R Fernie
Institution abroad: Max Planck Society, Potsdam, Germany
Home Institution: Instituto de Biologia (IB). Universidade Estadual de Campinas (UNICAMP). Campinas , SP, Brazil
Assoc. researchers:Adilson Pereira Domingues Júnior ; Leonardo Perez de Souza


Dr. Ribeiro's groups has recently shown that sugarcane plants previously exposed to drought and rehydration events exhibited a better photosynthetic performance and growth rate when exposed to a new drought event compared to plants previously grown in well-watered conditions. Plant memory refers to the capacity of a previous exposure to stressful events trigger changes that regulate all plant development, allowing a more efficient and rapid response in cases of recurrent stresses. In that way, this present project aims to identify metabolic and molecular markers associated sugarcane drought memory and to evaluate its inheritance and persistence in vegetatively propagated plants. For this purpose, we intend to combine the expertise of two recognized groups in complementary areas of this project: Dr. Ribeiro's group in Brazil has been working with several important crops, focusing on their physiological responses to a myriad of abiotic stresses; complementarily, Dr Fernie group in Germany is widely known for their expertise in several well established platforms for studying plant metabolic and transcriptomic interactions. Therefore, this project will perform untargeted large-scale metabolome and transcriptome analyses on different tissues samples from sugarcane plants exposed to cycles of drought and rehydration. We will also analyze the physiological and molecular responses of these plants, associating them with memory to drought and their inheritance in propagules. Based on the obtained data, we aim to propose new management practices of pre-sprouted sugarcane seedlings in nursery condition, in addition to establishing a platform for transcriptomic analysis in this species, which will serve as a basis for the identification and understanding of the molecular mechanisms that allow memory inheritance to environmental stresses in sugarcane. (AU)

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Scientific publications
(References retrieved automatically from Web of Science and SciELO through information on FAPESP grants and their corresponding numbers as mentioned in the publications by the authors)
RIBEIRO, V, RAFAEL; VITTI, KARINE A.; MARCOS, FERNANDA C. C.; SOUZA, GUSTAVO M.; PISSOLATO, MARIA D.; ALMEIDA, LUIZ FERNANDO R.; MACHADO, EDUARDO C.. Proposal of an index of stability for evaluating plant drought memory: A case study in sugarcane. Journal of Plant Physiology, v. 260, . (19/27106-0, 18/21194-1, 19/06161-2, 19/08047-2)

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