Analyses of genetic variability in Lentinula Edodes through Mycelia responses to different abiotic conditions and RAPD molecular markers
Braz. j. microbiol
; Braz. j. microbiol;32(3): 170-175, July-Sept., 2001. ilus, tab, graf
Article
em En
| LILACS
| ID: lil-316964
Biblioteca responsável:
BR32.1
RESUMO
The growth of thirty-four Lentinula edodes strains submitted to different mycelial cultivation conditions (pH and temperature) was evaluated and strain variability was assessed by RAPD molecular markers. The growth at three pH values (5, 6 and 7) and four different temperatures (16, 25, 28 and 37§C) was measured using the in vitro mycelial development rate and water retention as parameters. Mycelial cultivation was successful at all pH tested, while the ideal temperature for mycelial cultivation ranged between 25 and 28§C. The water content was lower in strains grown at 37§C. Among 20 OPA primers (Operon Technologies, Inc.) used for the RAPD analyses, seventeen presented good polymorphism (OPA01 to OPA05, OPA07 to OPA14, OPA17 to OPA20). The clustering based on similarity coefficients allowed the separation of strain in two groups with different geographic origins.
Texto completo:
1
Coleções:
01-internacional
Base de dados:
LILACS
Assunto principal:
Técnicas In Vitro
/
Lentinula
/
Fungos
Idioma:
En
Revista:
Braz. j. microbiol
Assunto da revista:
MICROBIOLOGIA
Ano de publicação:
2001
Tipo de documento:
Article
País de afiliação:
Brasil
País de publicação:
Brasil