NDLI: Symbiotic alga Chlorella vulgaris of the ciliate Paramecium bursaria shows temporary resistance to host lysosomal enzymes during the early infection process

Content Provider	Springer Nature Link
Author	Kodama, Yuuki Nakahara, Miho Fujishima, Masahiro
Copyright Year	2006
Abstract	Paramecium bursaria free of symbiotic Chlorella species can be experimentally reinfected with algae isolated from algae-bearing cells by ingestion into digestive vacuoles. Isolated symbiotic algae were cloned, mixed with the algae-free P. bursaria at 25 ± 1 °C for 1.5 min, washed and chased, with or without fixation 3 h after mixing. Though genetically identical, a few of the algae were not digested but coexisted with the digested ones in the same vacuole after lysosomal fusion. Light microscopy showed that algal fate did not depend on cell cycle stage or location in the vacuole. Electron microscopy showed that the nondigested algae were not protected by a perialgal vacuole membrane in the digestive vacuole. Moreover, this phenomenon was also observed in the presence of cycloheximide and puromycin, which are known to inhibit algal and host protein synthesis, respectively. These observations suggest that a few algae can acquire temporary resistance to host lysosomal enzymes in order to establish endosymbiosis without algal protein synthesis.
Starting Page	61
Ending Page	67
Page Count	7
File Format	PDF
ISSN	0033183X
Journal	Protoplasma
Volume Number	230
Issue Number	1-2
e-ISSN	16156102
Language	English
Publisher	Springer-Verlag
Publisher Date	2006-11-21
Publisher Place	Vienna
Access Restriction	One Nation One Subscription (ONOS)
Subject Keyword	Cell Biology Plant Sciences Zoology
Content Type	Text
Resource Type	Article
Subject	Cell Biology Plant Science Medicine

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Symbiotic Chlorella sp. of the ciliate Paramecium bursaria do not prevent acidification and lysosomal fusion of host digestive vacuoles during infection

Symbiotic Chlorella variabilis strain, 1 N, can influence the digestive process in the host Paramecium bursaria during early infection

Localization of attachment area of the symbiotic Chlorella variabilis of the ciliate Paramecium bursaria during the algal removal and reinfection

Infectivity of Chlorella species for the ciliate Paramecium bursaria is not based on sugar residues of their cell wall components, but on their ability to localize beneath the host cell membrane after escaping from the host digestive vacuole in the early infection process

Cloning and characterization of endosymbiotic algae isolated fromParamecium bursaria

Evaluation of higher plant virus resistance genes in the green alga, Chlorella variabilis NC64A, during the early phase of infection with Paramecium bursaria chlorella virus-1

Endosymbiosis of Chlorella species to the ciliate Paramecium bursaria alters the distribution of the host’s trichocysts beneath the host cell cortex

Infection of Paramecium bursaria by Symbiotic Chlorella Species

Behavioural Responses to Light in Paramecium Bursaria in Relation to its Symbiotic Green Alga Chlorella

Symbiotic alga Chlorella vulgaris of the ciliate Paramecium bursaria shows temporary resistance to host lysosomal enzymes during the early infection process

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