Ref ID : 481
Werner Reisser, Renate Meier, and Wolfgang Wiessner; [Cytological studies on the endosymbiotic unit of Paramecium bursaria Ehrbg. and Chlorella spec. I. The infection of alga-free Paramecium bursaria symbiotic Chlorellae isolated from green paramecia as influenced by the nutritional conditions of the ciliate]. Arch.Protistenk 123:326-332, 1980
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The activity of acid phosphatase was analysed by histochemical methods during the infection of alga-free Paramecium bursaria with the symbiotic Chlorellae isolated from green Paramecia. A successful infection depends on the nutritional condition of the ciliates and is facilitated by a simultaneous supply with external food. Nevertheless most of the algal cells are digested. After a successful infection the growth of the algal population is supported by a limited external food supply of the Paramecium. Several mechanisms of cell-recognition and a model of the infection-process are discussed.