Scholarship 19/19676-0 - Nutrição - BV FAPESP
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Biochemistry of the phosphorus use efficiency in eucalypt plants

Grant number: 19/19676-0
Support Opportunities:Scholarships abroad - Research Internship - Post-doctor
Start date until: December 01, 2019
End date until: May 31, 2020
Field of knowledge:Agronomical Sciences - Agronomy
Principal Investigator:Paulo Mazzafera
Grantee:Franklin Magnum de Oliveira Silva
Supervisor: Camila Caldana
Host Institution: Instituto de Biologia (IB). Universidade Estadual de Campinas (UNICAMP). Campinas , SP, Brazil
Institution abroad: Max Planck Society, Potsdam, Germany  
Associated to the scholarship:18/09624-0 - Biochemistry of phosphorus use efficiency in eucalyptus, BP.PD

Abstract

Phosphorus (P) is part of essential molecules for plants life. Because phosphate rocks used to produce fertilizers are finite and soil P availability is generally low in areas with P-fixing soils, there is a need to better understand plant responses to P availability. To access soil P, plants possess a series of mechanisms required to maximize P-uptake and its use efficiency. In previous studies, the genetic diversity of 24 species of the genus was investigated regarding their ability to grow on low P and responsiveness to P inputs, and five of these - Eucalyptus acmenoides, E. grandis, E. globulus, E. tereticornis e Corymbia maculata - were selected because they presented contrasting responses regarding their efficiency and responsiveness to soil P availability. To understand how P deficiency physiologically affects plants that respond differentially to this stress, the present proposal aims to study the biochemical responses through metabolomic and lipidomic profile of three different organs (root, stem and leaf). This approach should help us to further characterize the physiological mechanism involved in absorption, transport and remobilization of P in the eucalypt plants. Furthermore, future studies of these divergent species may be a suitable genetic material for breeding programs aimed at the production of superior eucalyptus genotypes.Key-words: eucalypts, nutrition, biochemical responses, phosphorus use efficiency.Key-words: eucalypts, nutrition, biochemical responses, phosphorus use efficiency.

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