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Possible effect of insect herbivores in changing the rhizosphere microorganisms composition from the protein differential secretion and phytochemicals in Arabidopsis thaliana

Grant number: 16/18001-1
Support type:Scholarships in Brazil - Doctorate
Effective date (Start): November 01, 2016
Effective date (End): July 31, 2019
Field of knowledge:Biological Sciences - Genetics - Molecular Genetics and Genetics of Microorganisms
Principal Investigator:Márcio de Castro Silva Filho
Grantee:Márcia Leite Mondin
Home Institution: Escola Superior de Agricultura Luiz de Queiroz (ESALQ). Universidade de São Paulo (USP). Piracicaba , SP, Brazil
Associated research grant:14/50275-9 - Deciphering the molecular mechanisms involved in the localization of organelar proteins as well as the complex plant-insect-pathogen interactions, AP.BIOEN.TEM
Associated scholarship(s):17/05465-2 - Impact of the herbivorous insect attack in the exudates and microorganism community of the Arabidopsis thaliana rhiszosphere, BE.EP.DR

Abstract

The role of the root system of plants in physiological mechanisms that ensure the absorption and retention of soil nutrients necessary for survival of the plant, together with the organ function reserve in some plant families, is well established. However it is about spreading the knowledge of the proteins found in plant exudates can play an important role in interaction with soil microorganisms can induce disease resistance in the whole plant.Whereas the expression of root metabolites is modified according to the need of increasing resistance on account of the phase at which the plant is located, it opens up the exciting prospect of study is to verify whether the presence of herbivorous insects can also cause a change in the secretion signals that modify the microbiome composition of the rhizosphere, or to the plant exudates could allow for selection of beneficial microorganisms to benefit the plants in contrast to attack by herbivores.The study aims to elucidate a better understanding of the molecular mechanism of plant defense when attacked by insects, by changing the soil microbiome amid different metabolites that comprise the root exudates. The demonstration and elucidation of these defense mechanisms of the plant by the microbiome rhizosphere, due to the attack of herbivores on plant model can reveal the future new strategies aimed at increasing the resistance of crops and consequently increasing food productivity.

Academic Publications
(References retrieved automatically from State of São Paulo Research Institutions)
MONDIN, Márcia Leite. Modulation of rhizosphere - associated microbiota by insect pest: a holobiont relationship. 2019. Doctoral Thesis - Universidade de São Paulo (USP). Escola Superior de Agricultura Luiz de Queiroz Piracicaba.

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