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Cytoplasmic Particles in the Killers of Euplotes minuta and their Relationship to the Killer Substance *
Author(s) -
HECKMANN KLAUS,
PREER JOHN R.,
STRAETLING WOLF H.
Publication year - 1967
Publication title -
the journal of protozoology
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 1.067
H-Index - 77
eISSN - 1550-7408
pISSN - 0022-3921
DOI - 10.1111/j.1550-7408.1967.tb02009.x
Subject(s) - cytoplasm , lysis , biology , microbiology and biotechnology , proteolytic enzymes , chemistry , enzyme , biochemistry
SYNOPSIS. The killer strains of Euplotes minuta contain cytoplasmic epsilon particles absent in sensitive strains. The toxic principle of killers is associated with large particles which sediment readily in the centrifuge and may be identical with epsilon. Killing particles are inactivated by heat, certain proteolytic enzymes, and lysis with the French press.