Article: article from journal or magazin.
Experimental production of new zymodemes of Entamoeba histolytica supports the hypothesis of genetic exchange
Transactions of the Royal Society of Tropical Medicine and Hygiene
Journal Article --- Old month value: Nov-Dec
By mixing in culture zymodemes of Entamoeba histolytica, clones showing a different pattern from the 2 parents have been obtained on 3 occasions. Two new zymodemes (XI alpha- and XXI) have thus been produced, which belong to the third generation of a family of E. histolytica zymodemes apparently obtained by genetic exchange. A hypothesis for the molecular basis of those exchanges is discussed. We report also the observation of probable mutation.
Animals Culture Media Electrophoresis Entamoeba/enzymology/*genetics/isolation & purification Isoenzymes/analysis/*genetics Species Specificity
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