Results 121 to 130 of about 1,874 (205)

REPLACEMENT OF THE NATIVE CRAYFISH ASTACUS-ASTACUS BY THE INTRODUCED SPECIES PACIFASTACUS LENIUSCULUS IN A SWEDISH LAKE - POSSIBLE CAUSES AND MECHANISMS

open access: yes, 1995
1. The introduced North American crayfish Pacifastacus leniusculus is currently replacing the native crayfish Astacus astacus in a Swedish lake. Using field data from co-occurring populations on life-history traits and population size structure of the ...
SODERBACK, B,
core  

Effect of fixed epimastigote forms of Trypanosoma cruzi on the hemocytes and the prophenoloxidase-activating system of the crayfish Pacifastacus leniusculus

open access: yes, 1996
The effect of the parasite Trypanosoma cruzi on the hemocytes and the prophenoloxidase (proPO)-activating system of the crayfish Pacifastacus leniusculus was studied.
Soderhall, K,, Barracco, MA
core  

Initiation of Innate Immune Responses in the Freshwater Crayfish Pacifastacus leniusculus

open access: yes, 2001
Prophenoloxidase (proPO) is a key enzyme for generation of melanin and is activated by the proPO activating enzyme (ppA) to its active form, PO. The active ppA was purified and cloned from crayfish hemocytes and it is a typical serine proteinase containing a clip, a proline-rich, and a glycine-rich domain.
openaire   +2 more sources

Melanization and Hemocyte Homeostasis  in the Freshwater Crayfish, Pacifastacus leniusculus

open access: yes, 2013
Blood cells or hemocytes play important roles in immunity. They are a major source of many immune-related molecules such as antibodies in adaptive immunity of vertebrates and prophenoloxidase (proPO) in invertebrates. In the crayfish Pacifastacus leniusculus, the proPO-system has been reported to be an important component of immune responses against ...
openaire   +1 more source

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