Impact on viability and adhesion of three protein fractions, separated by size, from the coelomic fluid of wounded Asterias rubens', was tested on autologous coelomocytes. In addition antimicrobial property of the protein fractions was tested on the Gram-negative bacterium Vibrio parahaemolyticus. All fractions promoted viability and the larger proteins facilitated adhesion of the coelomocytes. The strongest antimicrobial effect was caused by the fraction with the smallest proteins.
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