The crayfish pathogen Psorospermium haeckeli activates the prophenoloxidase activating system of freshwater crayfish in vitro

Preparations of the crayfish pathogen Psorospermium haeckeli were found to activate the prophenoloxidase activating (proPO) system in haemocyte lysates of two crayfish species Pacifastacus leniusculus and Astacus astacus. This is the first report showing that this parasite can elicit the activation...

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Bibliographic Details
Published inAquaculture Vol. 99; no. 3; pp. 225 - 233
Main Authors Cerenius, Lage, Henttonen, Paula, Lindqvist, Ossi V., Söderhäll, Kenneth
Format Journal Article
LanguageEnglish
Published Amsterdam Elsevier B.V 1991
Elsevier Science
Subjects
AGENT PATHOGENE
Animal, plant and microbial ecology
ASTACUS
Biological and medical sciences
Fundamental and applied biological sciences. Psychology
IMMUNE RESPONSE
ORGANISMOS PATOGENOS
PACIFASTACUS
PATHOGENS
REPONSE IMMUNITAIRE
RESPUESTA INMUNOLOGICA
Crustacea
Freshwater environment
Astacus astacus
Enzymatic activity
Enzyme
Arthropoda
Parasite
Serine proteinase
Decapoda
Invertebrata
Macrura
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Summary:Preparations of the crayfish pathogen Psorospermium haeckeli were found to activate the prophenoloxidase activating (proPO) system in haemocyte lysates of two crayfish species Pacifastacus leniusculus and Astacus astacus. This is the first report showing that this parasite can elicit the activation of a defence system in crayfish and that the activation appears to be similar to the activation of the proPO system triggered by different microbial polysaccharides.
Bibliography:L73
9200293
ISSN:0044-8486
1873-5622
DOI:10.1016/0044-8486(91)90243-Z