"Actinomycetes isolated from soils of Brazilian ecosystems: potential agents of biological control of Sclerotinia sclerotiorum in cultivation of soybean (Glycine max L. Merrill)"

• Grant number: 13/25076-0
• Support Opportunities: Scholarships in Brazil - Doctorate
• Start date: May 01, 2014
• End date: July 31, 2017
• Field of knowledge: Biological Sciences - Microbiology - Biology and Physiology of Microorganisms
• Principal Investigator: Itamar Soares de Melo
• Grantee: Harold Alexander Vargas Hoyos
• Host Institution: Embrapa Meio-Ambiente. Empresa Brasileira de Pesquisa Agropecuária (EMBRAPA). Ministério da Agricultura, Pecuária e Abastecimento (Brasil). Jaguariúna , SP, Brazil

Abstract

Sclerotinia sclerotiorum ( Lib. ) de Bary is one of the most important phytopathogens in grain crops in the world. This fungus has a high degree of phyotopathogenicity for several crops and it is considered one of the major pathogens of soybean (Glycine max), causing the disease known as "white mold" that leads to great economic losses. The use of biological control against S. sclerotiorum has shown to be a beneficial option to mitigate the damage caused by this pathogen. Among the microorganisms used as biocontrol agents, the actinomycetes are remarkable for their antagonistic effective mechanisms such as production of extracellular enzymes and antibiotics. In different Brazilian ecosystems there are strains that display special characteristics and wide application in biotechnology. The Collection of Microorganisms of Agricultural and Environmental Importance (CMAA Environment EMBRAPA) has a substantial collection of actinomycetes that can be exploited to control S. sclerotium. Thus, this study aims to evaluate the mode of action of these strains of actinomycetes in the search for new biological compounds or lytic enzymes with unique features that could be used to control S. sclerotiorum.

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)

VARGAS HOYOS, HAROLD ALEXANDER; CHIARAMONTE, JOSIANE BARROS; BARBOSA-CASTELIANI, ANA GABRIELE; FERNANDEZ MORAIS, JORGE; PEREZ-JARAMILLO, JUAN ESTEBAN; NOBRE SANTOS, SUIKINAI; NASCIMENTO QUEIROZ, SONIA CLAUDIA; SOARES MELO, ITAMAR. An Actinobacterium Strain From Soil of Cerrado Promotes Phosphorus Solubilization and Plant Growth in Soybean Plants. FRONTIERS IN BIOENGINEERING AND BIOTECHNOLOGY, v. 9, APR 22 2021. (13/16037-0, 13/25076-0)

VARGAS HOYOS, HAROLD ALEXANDER; SANTOS, SUIKINAI NOBRE; PADILLA, GABRIEL; MELO, ITAMAR SOARES. Genome Sequence of Streptomyces cavourensis 1AS2a, a Rhizobacterium Isolated from the Brazilian Cerrado Biome. MICROBIOLOGY RESOURCE ANNOUNCEMENTS, v. 8, n. 18, MAY 2019. (14/24556-0, 13/25076-0)

VARGAS HOYOS, HAROLD ALEXANDER; SANTOS, SUIKINAI NOBRE; DA SILVA, LEONARDO JOSE; PAULINO SILVA, FABIO SERGIO; GENUARIO, DIEGO BONADO; ZUCCHI, TIAGO DOMINGUES; MELO, ITAMAR SOARES. Streptomyces rhizosphaericola sp. nov., an actinobacterium isolated from the wheat rhizosphere. INTERNATIONAL JOURNAL OF SYSTEMATIC AND EVOLUTIONARY MICROBIOLOGY, v. 69, n. 8, p. 2431-2439, AUG 2019. (13/16037-0, 13/25076-0, 14/26131-7)

Academic Publications

(References retrieved automatically from State of São Paulo Research Institutions)

HOYOS, Harold Alexander Vargas. Actinobacteria from Brazilian biomes: biodiversity and potential use in agriculture. 2018. Doctoral Thesis - Universidade de São Paulo (USP). Escola Superior de Agricultura Luiz de Queiroz (ESALA/BC) Piracicaba.