期刊
CELLULAR MICROBIOLOGY
卷 5, 期 5, 页码 353-357出版社
BLACKWELL PUBLISHING LTD
DOI: 10.1046/j.1462-5822.2003.00282.x
关键词
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The crayfish plague (Aphanomyces astaci) susceptible freshwater crayfish Astacus astacus and the resistant species Pacifastacus leniusculus were compared with respect to differential haemocyte count and expression of prophenoloxidase and peroxinectin. A major difference found was that resistant crayfish continuously produced high levels of prophenoloxidase (proPO) transcripts and that these levels could not be further increased, whereas in susceptible crayfish proPO transcript levels and resistance were augmented by immunostimulants. In As. astacus this could be registered as higher proPO transcript levels in the semigranular population of haemocytes and to an increased survival time after experimental infections with A. astaci.
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