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Co‐infection of the Macronucleus of Paramecium caudatum by Free‐Living Bacteria Together with the Infectious Holospora obtusa
Author(s) -
FOKIN SERGEI O.,
SKOVORODKIN ILYA N.,
SCHWEIKERT MICHAEL,
GÖRTZ HANSD.
Publication year - 2004
Publication title -
journal of eukaryotic microbiology
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 1.067
H-Index - 77
eISSN - 1550-7408
pISSN - 1066-5234
DOI - 10.1111/j.1550-7408.2004.tb00388.x
Subject(s) - paramecium caudatum , biology , bacteria , macronucleus , infectivity , paramecium , microbiology and biotechnology , enterobacter aerogenes , klebsiella pneumoniae , protozoa , virology , virus , ecology , escherichia coli , genetics , ciliate , gene
Infection experiments were performed incubating Paramecium caudatum with non‐infectious free‐living bacteria or weakly infectious intracellular bacteria together with the infectious Holospora obtusa . Two of four non‐infectious free‐living bacteria ( Enterobacter aerogenes and Klebsiella pneumoniae ) were found to get into the nuclei when added to Paramecium together with H. obtusa . The endonuclear bacterium Nonospora macronucleata that is weakly infectious by itself increases its infectivity when presented together with the infectious holosporas. The results provide evidence that H. obtusa may facilitate entry of other, non‐infectious bacteria into the nuclei of Paramecium .