By Ryo Hoshina, Nobutaka Imamura (auth.), Masahiro Fujishima (eds.)
Endosymbiosis is a prime strength in eukaryotic phone evolution. on the way to comprehend the molecular mechanisms keen on this mutualistic courting, experiments to breed endosymbiosis are integral. The ciliate "Paramecium" is a perfect host for acting such studies.
Topics offered during this quantity are: the origins of algal and bacterial symbionts in "Paramecium", the variety of endosymbiotic micro organism, equivalent to "Holospora" micro organism and particularly "Chlorella" species, in addition to the an infection and upkeep processes.
The metabolic keep watch over, the rules of circadian rhythms and photobiological points of the mutualistic organization, in addition to the killer influence of "Paramecium" and its causative brokers are additional issues discussed.
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Extra info for Endosymbionts in Paramecium
6 Protection of Symbiotic Algae from Chlorella Virus by Endosymbiosis . . . . . . . 7 Concluding Remarks and Further Perspectives . . . . . . . . . . . . . . . . . References . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 32 34 34 37 38 38 40 42 42 43 44 44 44 45 46 48 48 49 51 52 Abstract Paramecium bursaria and endosymbiotic Chlorella species retain their ability to grow independently, but can reestablish endosymbiosis by mixing.
2003; Nishihara et al. 1999). This suggests a possibility that different Chlorella species or strains used together for infection might result in different algal fates in DV-IVb. To remove this possibility, a OS1g1N clone of P. bursaria that was produced by infection of algae-free P. bursaria OS1w cells with symbiotic algal clone 1 N cells was used in experiments (Kodama et al. 2007). This algal clone 1 N was obtained from isolated symbiotic algae from an OS1g cell and identified as C. vulgaris from observation of its morphological characteristics using light and electron microscopy and by performing a similarity search with the 18S ribosomal DNA sequence from the cells (M.
Plenty of examples have been reported in other protists, as well as in plants and animals. Although it is often unclear whether each syngen represents a distinct species, those within the P. aurelia complex were raised to species status (Sonneborn 1975). Six syngens (1–6) are found within P. bursaria, with four to eight multiple mating types (sexes) in each (Bomford 1966; Wichterman 1986). Although four genotypes of P. ” Further analyses of host genetic diversity are required for a better understanding of the relationship between reproductive isolation and speciation in P.
Endosymbionts in Paramecium by Ryo Hoshina, Nobutaka Imamura (auth.), Masahiro Fujishima (eds.)