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THE RHIZOSPHERE MICROBIOME OF COMMON BEAN (Phaseolus vulgaris) AND THE EFFECTS ON PHOSPHORUS UPTAKE

Grant number: 15/14680-9
Support type:Scholarships in Brazil - Doctorate
Effective date (Start): January 01, 2016
Effective date (End): June 02, 2018
Field of knowledge:Biological Sciences - Microbiology - Applied Microbiology
Principal Investigator:Rodrigo Mendes
Grantee:Josiane Barros Chiaramonte
Home Institution: Escola Superior de Agricultura Luiz de Queiroz (ESALQ). Universidade de São Paulo (USP). Piracicaba , SP, Brazil
Associated scholarship(s):17/14063-5 - DEVELOPMENT OF AN ANALYTICAL APPROACH TO IDENTIFY NETWORKS IN THE RHIZOSPHERE MICROBIOME, BE.EP.DR

Abstract

Concurrent with the population growth, agricultural production tend to grow to meet the food demand. To reset the macro and micronutrients that are removed from the soil in crops, the application of chemical fertilizers are constantly applied. The indiscriminate use of inputs, particularly phosphate, is responsible for the appearance of many impacts on the environment. In order to minimize the effects of this type of fertilizer, the application of microorganisms that promote nutrient absorption is to be tested as a strategy to be tested. It is believed that low phosphorus concentration in soil, enriches the rhizosphere microbiome related to the availability of this element to the plant. Thus, this project aims to evaluate the rhizosphere microbiome contribution in P uptake by plants considering two contrasting cultivars in the uptake efficiency of this element and different concentrations of phosphate rock and super-simple. Bacteria with potential in the phosphorus solubilization will be identified through rhizosphere soil cultivation in specific media with calcium phosphate and phytate. The isolate will be characterized about organic acid production and identified through 16S gene sequencing. Microbial community structure will be accessed through 16S gene sequencing of metagenomic DNA extracted from rhizosphere soil, and the presence of mycorrhizal fungi will be quantified through qPCR. The search for approaches that aim to improve soil fertility, employing the most efficient use of nutrients, may be a promising way to the intensification of an environmentally sustainable agriculture.

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)
ROSSMANN, MAIKE; PEREZ-JARAMILLO, JUAN E.; KAVAMURA, VANESSA N.; CHIARAMONTE, JOSIANE B.; DUMACK, KENNETH; FIORE-DONNO, ANNA MARIA; MENDES, LUCAS W.; FERREIRA, MARCIA M. C.; BONKOWSKI, MICHAEL; RAAIJMAKERS, JOS M.; MAUCHLINE, TIM H.; MENDES, RODRIGO. Multitrophic interactions in the rhizosphere microbiome of wheat: from bacteria and fungi to protists. FEMS MICROBIOLOGY ECOLOGY, v. 96, n. 4 APR 2020. Web of Science Citations: 0.
Academic Publications
(References retrieved automatically from State of São Paulo Research Institutions)
CHIARAMONTE, Josiane Barros. The rhizosphere microbiome of common bean (Phaseolus vulgaris L.) and the effects on phosphorus uptake. 2018. Doctoral Thesis - Universidade de São Paulo (USP). Escola Superior de Agricultura Luiz de Queiroz Piracicaba.

Please report errors in scientific publications list by writing to: cdi@fapesp.br.