【摘 要】
：
Paramecium jenningsi Diller & Earl 1958 was described from India (Bangalore).Later,several strains of this species were also found in different,mainly tropi
【机 构】
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Uniwersytet Szczecinski, Poland
【出 处】
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2005 World DNA and Genome Day(2005中国(大连)国际DNA和基因组节大会)
论文部分内容阅读
Paramecium jenningsi Diller & Earl 1958 was described from India (Bangalore).Later,several strains of this species were also found in different,mainly tropical regions,i.e.Uganda,Madagascar,Florida (USA),Panama,but also from the Kaliningrad district (Russia),Tajikistan and Japan (cf Przybosetal.1999).In 1999 and 2000 new strains were collected from Saudi Arabia,China and again from Japan.An expansion of the range of P.jenningsi prompted studies on intraspecific differentiation,i.e.ascertainment if strains originating from remote and isolated habitats represent one genetic species or more.The existence of one genetic species (syngen) of P.jenningsi was accepted (Souneborn 1958,1970; Przybos 1986) and confirmed by genetic,karyological and cytological studies (Przybos 1975,1978,1980; Jurand &Przybos 1984; Przybos 1986) carried out on strains from India,Uganda and Madagascar.Biochemical investigations (esterases and acid phosphotases,Allen et al.1983) were performed on strains from India,Panama and the USA (Florida).
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