Biopolym. Cell. 2010; 26(1):29-35.
Structure and Function of Biopolymers
Studies of hemolytical and antimicrobical action of Amanita virosa Secr. and Mycena pura /Fr./ Kumm. poisonous mushrooms lectins
1, 2Antonyuk V. O., 2Nemchenko O. O., 2Tymchuk I. V., 2Danileuchenko V. V., 1Stoika R. S.
  1. Institute of Cell Biology, NAS of Ukraine
    14/16, Drahomanov Str., Lviv, Ukraine, 79005
  2. Danylo Halytsky Lviv National Medical University
    69, Pekarska Str., Lviv, Ukraine, 79010


Aim. To study hemolytical and antimicrobical action of two new lectins, obtained from fruit bodies of poisonous basidial mushrooms of A. virosa Secr. and M. pura /Fr./ Kumm. Methods. Research on hemolytical action of lectins was conducted on the erythrocytes of human and animals. The experiments on osmotic protection of erythrocytes were performed in the presence of polyethylenglycols of different molecular mass (in a range from 400 to 4000 Da). Antimicrobical activity of lectins was studied by determination of area delay of growth of culture of different types of microorganisms on the Petri dish in an agaric media. Results. Both lectins hemolyse the erythrocytes of rabbit, human, rat and dog and do not hemolyse the erythrocytes of cow and ship in concentration of 1 mg/ml. The rabbit erythrocytes are most sensitive to hemolytical action of lectins, while hemolytic ability of A. virosa lectin is higher. Hemolysis was not observed in the presence of PEG of molecular mass over 1,350 Da. Action of lectins on 10 types of microorganisms was investigated. Lectins inhibited mainly growth of grammpositive microorganisms and protey. For most tested microorganisms antimicrobial action of Mycena lectin is stronger comparing with A. virosa lectin. Conclusions. Two new hemolytical lectins are found in the fruit bodies of mushrooms-basidiomycetes. The lectin formed ion-permeable pores in membrane of erythrocytes with the hydrodynamic diameter smaller than 2.3 nm and larger than 1.6 nm. These lectins displays also antimicrobial activity and by the sum of these features are similar to the cytolytic lectins of lower invertebrates.
Keywords: Amanita virosa, Mycena pura, лектини, гемолітична дія, антимікробна дія


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