Genetic diversity of polysporic isolates of Moniliophthora perniciosa (Tricholomataceae)


Autoria(s): Ferreira, L. F. R.; Duarte, K. M. R.; Gomes, L. H.; Carvalho, R. S.; Leal Junior, G. A.; Aguiar, M. M.; Armas, R. D.; Tavares, F. C. A.
Contribuinte(s)

UNIVERSIDADE DE SÃO PAULO

Data(s)

23/10/2013

23/10/2013

2012

Resumo

The causal agent of witches' broom disease, Moniliophthora perniciosa is a hemibiotrophic and endemic fungus of the Amazon basin and the most important cocoa disease in Brazil. The purpose of this study was to analyze the genetic diversity of polysporic isolates of M. perniciosa to evaluate the adaptation of the pathogen from different Brazilian regions and its association with different hosts. Polysporic isolates obtained previously in potato dextrose agar cultures of M. perniciosa from different Brazilian states and different hosts (Theobroma cacao, Solanum cernuum, S. paniculatum, S. lycocarpum, Solanum sp, and others) were analyzed by somatic compatibility grouping where the mycelium interactions were distinguished after 4-8 weeks of confrontation between the different isolates of M. perniciosa based on the precipitation line in the transition zone and by protein electrophoresis through SDS-PAGE. The diversity of polysporic isolates of M. perniciosa was grouped according to geographic proximity and respective hosts. The great genetic diversity of M. perniciosa strains from different Brazilian states and hosts favored adaptation in unusual environments and dissemination at long distances generating new biotypes.

Coordination for the Improvement of Higher Education Personnel

Coordination for the Improvement of Higher Education Personnel

Brazilian Foundation within the Ministry of Education

Brazilian Foundation within the Ministry of Education

National Council for Scientific and Technological Development

National Council for Scientific and Technological Development

Identificador

GENETICS AND MOLECULAR RESEARCH, RIBEIRAO PRETO, v. 11, n. 3, supl. 1, Part 3, pp. 2559-2568, DEC 1, 2012

1676-5680

http://www.producao.usp.br/handle/BDPI/35697

10.4238/2012.July.10.11

http://dx.doi.org/10.4238/2012.July.10.11

Idioma(s)

eng

Publicador

FUNPEC-EDITORA

RIBEIRAO PRETO

Relação

GENETICS AND MOLECULAR RESEARCH

Direitos

openAccess

Copyright FUNPEC-EDITORA

Palavras-Chave #SOMATIC COMPATIBILITY #PROTEIN ELECTROPHORESIS #WITCHES' BROOM DISEASE #GENETIC VARIABILITY #WITCHES-BROOM DISEASE #COCOA CRINIPELLIS-PERNICIOSA #SOMATIC INCOMPATIBILITY #THEOBROMA-CACAO #VARIABILITY #PROTEINS #PATHOGEN #MYCELIA #BIOLOGY #HOSTS #BIOCHEMISTRY & MOLECULAR BIOLOGY #GENETICS & HEREDITY
Tipo

article

original article

publishedVersion