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Physiological and biochemical role of selenium on flavonoids biosynthesis and biological nitrogen fixation of legume plants

Grant number: 20/10053-8
Support Opportunities:Scholarships in Brazil - Master
Effective date (Start): April 01, 2021
Effective date (End): December 31, 2022
Field of knowledge:Agronomical Sciences - Agronomy - Soil Science
Principal Investigator:André Rodrigues dos Reis
Grantee:Matheus Luis Oliveira Cunha
Host Institution: Faculdade de Ciências e Engenharia. Universidade Estadual Paulista (UNESP). Campus de Tupã. Tupã , SP, Brazil

Abstract

Selenium (Se) is essential for humans and animals and considered beneficial for plants at low concentration.There is conclusive evidence of Se deficiency in Brazilian soils. Selenium can activate flavonoids biosynthesis in roots of legume plants, increasing chemotaxis between roots and bacteria Rhizobium. Little is known about the role of Se on nodulation of legumine plants. The hypothesis of this work is that Se supply increases the synthesis of flavonoids (daidzein, genistein, kaempferol, quercetin, rutin and naringerin) in roots acting as chemical signal to increase root nodulation by rhizobia, consequently increasing the flow of ureides and antioxidative metabolism in soybean, cowpea and peanut plants, making these plants more tolerant to abiotic stresses and generating increased yield.This study aims: (i) to evaluate the effect of Se on flavonoid profile in roots; (ii) metabolism of N and the antioxidant system and (iii) evaluate the effect of Se on nutrients, carbohydrates profile, water use, gas exchange and grain yield of soybean, peanut and cowpea plants. For physiological (photosynthetic activity, antioxidant metabolism, ureides) and nutritional analyzes, leaves and nodules will be collected during stage R1. The plants will be cultivated until the end of the cycle to determine the components of production and yield and nutritional analysis of the grains. Differential metabolic responses to Se supply can highlight information that will contribute to the resilience of culture in the face of global climate change. (AU)

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Scientific publications (4)
(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)
CUNHA, MATHEUS LUIS OLIVEIRA; DE OLIVEIRA, LARA CAROLINE ALVES; MENDES, NANDHARA ANGELICA CARVALHO; SILVA, VINICIUS MARTINS; VICENTE, EDUARDO FESTOZO; DOS REIS, ANDRE RODRIGUES. Selenium Increases Photosynthetic Pigments, Flavonoid Biosynthesis, Nodulation, and Growth of Soybean Plants (Glycine max L.). JOURNAL OF SOIL SCIENCE AND PLANT NUTRITION, v. N/A, p. 11-pg., . (20/10053-8)
SILVA, RICARDO DE ANDRADE; MATSUMOTO, SYLVANA NAOMI; CUNHA, MATHEUS LUIS OLIVEIRA; MENDES, NANDHARA ANGELICA CARVALHO; AGATHOKLEOUS, EVGENIOS. Can Exogenously Applied N-6-Bezyladenine Increase the Growth, Yield and Nutritional Quality of Common Bean Cultivated in Winter and Summer?. GESUNDE PFLANZEN, v. N/A, p. 11-pg., . (20/10053-8)
CUNHA, MATHEUS LUIS OLIVEIRA; DE OLIVEIRA, LARA CAROLINE ALVES; TACCA, JULIO GUILHERME; DOS REIS, ANDRE RODRIGUES. Can Selenium Promote the Hormesis Effect on Germination and Quality of Peanut (Arachis hypogaea L.) Seeds?. JOURNAL OF SOIL SCIENCE AND PLANT NUTRITION, v. N/A, p. 10-pg., . (20/10053-8)
CUNHA, MATHEUS LUIS OLIVEIRA; DE OLIVEIRA, LARA CAROLINE ALVES; SILVA, VINICIUS MARTINS; MONTANHA, GABRIEL SGARBIERO; REIS, ANDRE RODRIGUES DOS. Selenium increases photosynthetic capacity, daidzein biosynthesis, nodulation and yield of peanuts plants (Arachis hypogaea L.). Plant Physiology and Biochemistry, v. 190, p. 9-pg., . (20/10053-8)
Academic Publications
(References retrieved automatically from State of São Paulo Research Institutions)
CUNHA, Matheus Luis Oliveira. Physiological and biochemical role of selenium in flavonoids synthesis and biological nitrogen fixation in leguminous plants. 2022. Master's Dissertation - Universidade Estadual Paulista (Unesp). Faculdade de Ciências Agrárias e Veterinárias. Jaboticabal Jaboticabal.

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