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Signalling of P deficiency in eucalyptus

Grant number: 20/02867-5
Support Opportunities:Scholarships in Brazil - Post-Doctoral
Effective date (Start): August 01, 2020
Effective date (End): July 31, 2023
Field of knowledge:Agronomical Sciences - Agronomy
Principal Investigator:Paulo Mazzafera
Grantee:Luana Ferreira Torres
Host Institution: Instituto de Biologia (IB). Universidade Estadual de Campinas (UNICAMP). Campinas , SP, Brazil
Associated research grant:16/25498-0 - Phosphorus use efficiency in Eucalyptus and the physiological and genetic mechanisms involved, AP.TEM
Associated scholarship(s):22/09704-0 - DELLA protein and the signaling crosstalk in mycorrhizal Eucalyptus species in response to phosphate, BE.EP.PD


The aim of this proposal is to study the biochemical responses of eucalyptus species that differ in their efficiency in absorbing P from the soil, as well as how the low availability of this nutrient affects wood, the main product of this crop. For this purpose, analyzes will be carried out on plants with reciprocal grafts. These plants were selected based on experiment 1, which vary between responsiveness and efficiency in absorbing P. With this, we can understand the signaling process. In addition, some plants will be ringed, that is, the stem will be cut in such a way that the phloem will be removed. With this, the signaling between the aerial part and the roots will be interrupted. The analyzes to be performed are for gene expression and hormones. (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)
TORRES, LUANA FERREIRA; DE ANDRADE, SARA ADRIAN LOPEZ; MAZZAFERA, PAULO. Split-root, grafting and girdling as experimental tools to study root-to shoot-to root signaling. ENVIRONMENTAL AND EXPERIMENTAL BOTANY, v. 191, . (20/02867-5, 16/25498-0)

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