Culture media and temperature influence on growth and sexual reproduction of the fish pathogens Achlya racemosa and Saprolegnia ferax

Authors
Pacheco Marino, Suani Giovanna; Steciow, Mónica Mirta; Paul, B.
Publication Year
2011
Language
English
Format
article
Status
Published version
Description
Two fungal parasites isolated from the fish Odontesthes bonariensis in Argentina were identified as Achlya racemosa and Saprolegnia ferax based on morphology and ITS rDNA sequence comparison. Studies were conducted to determine the effect of culture temperature and culture medium on growth rate and stimulation of sexual reproduction. Both isolates showed an increased rate of vegetative growth with increasing temperature; the growth rate of Saprolegnia ferax was higher than that of Achlya racemosa. Culture medium did not significantly affect growth rate of either species at the same temperature. However, differences attributable to culture medium in the formation of sexual structures were detected.
Fil: Pacheco Marino, Suani Giovanna. Consejo Nacional de Investigaciones Científicas y Técnicas. Centro Científico Tecnológico CONICET- La Plata. Instituto de Genética Veterinaria "Ing. Fernando Noel Dulout". Universidad Nacional de La Plata. Facultad de Ciencias Veterinarias. Instituto de Genética Veterinaria; Argentina. Universidad Nacional de La Plata. Facultad de Ciencias Naturales y Museo. Instituto de Botánica Spegazzini; Argentina
Fil: Steciow, Mónica Mirta. Consejo Nacional de Investigaciones Científicas y Técnicas. Centro Científico Tecnológico Conicet - La Plata; Argentina. Universidad Nacional de La Plata. Facultad de Ciencias Naturales y Museo. Instituto de Botánica Spegazzini; Argentina
Fil: Paul, B.. Laboratoire de Mycologie et de Phytopathologie, Institut Jules Guyot, Université de Bourgogne, Dijon; Francia. Universite de Bourgogne; Francia
Subject
FISH PARASITES
GROWTH RATE
ITS REGION RDNA
MOLECULAR CHARACTERIZATION
SAPROLEGNIALES
SEXUAL REPRODUCTION
Micología
Ciencias Biológicas
CIENCIAS NATURALES Y EXACTAS
Access level
Restricted access
License
https://creativecommons.org/licenses/by-nc-sa/2.5/ar/
Repository
CONICET Digital (CONICET)
Institution
Consejo Nacional de Investigaciones Científicas y Técnicas
OAI Identifier
oai:ri.conicet.gov.ar:11336/80028