Epixenosomes: Peculiar epibionts of the hypotrich ciliate Euplotidium itoi defend their host against predators

Journal of Eukaryotic Microbiology

Volumn 46, Issue 3, 1999, Pages 278-282

  Rosati, Giovanna ^a   Petroni, Giulio ^a   Quochi, Silvia ^a   Modeo, Letizia ^a   Verni, Franco ^a  

^a UNIVERSITY OF PISA   (Italy)

Author keywords

Alloxan; Episymbiosis; Extrusive apparatus; Extrusome; Predator prey interaction; Symbiosis

Indexed keywords

EPIXENOSOME; EUPLOTES CRASSUS; PREDATOR PREY INTERACTION; SURVIVAL; SYMBIOSIS;

ANTIPREDATOR DEFENSE; CILIATE; DEFENSE MECHANISM; EPIBIONT; PROTOZOA; SYMBIOSIS;

EUPLOTIDIUM ITOI; LITONOTUS LAMELLA;

EID: 0032986141     PISSN: 10665234     EISSN: None     Source Type: Journal    
DOI: 10.1111/j.1550-7408.1999.tb05125.x     Document Type: Article

References (22)

1. Berger, J. 1979. Dietary imprinting in Didinium nasutum. Abstr. 69. J. Protozool., 26:24A.
2. Berger, J. 1980. Feeding behavior of Didinium nasutum on Paramecium bursaria with normal or apochlorotic zooclorellae. J. Gen. Microbiol., 118:397-404.
3. Fenchel, T. & Finlay, B. J. 1991. The biology of free-living anaerobic ciliates. Europ. J. Protistol., 26:201-215.
4. Fyda, J. & Wiackoski, K. 1998. Benefits and costs of predator-induced morphological changes in the ciliate Colpidium kleini (Protozoa, Ciliophora). Europ. J. Protistol., 34:118-123.
5. Giambelluca, M. A. & Rosati, G. 1996. Behavior of epixenosomes and the epixenosomal band during divisional morphogenesis in Euplotidium itoi. Europ. J. Protistol., 32:77-80.
6. Harumoto, T. & Miyake, A. 1991. Defensive function of trichocysts in Paramecium. J. Exp. Zool., 260:84-92.
7. Ito, S. 1958. Two species of marine ciliate. Euplotidium itoi sp. nov. and Gastrocirrhus trichocysticus sp. nov. Zool. Mag., 67:184-187.
8. Miyake, A. & Harumoto, T. 1996. Defensive function of trichocysts in Paramecium against the predatory ciliate Monodinium balbiani. Europ. J. Protistol., 32:128-133.
9. Morelli, A. & Verni, F. 1996. Predator-prey interactions: effects of the substances released by the prey Euplotes crassus (Protozoa, Ciliata) on the predator Litonotus lamella (Protozoa, Ciliata). Microbios, 87: 185-198.
10. Ricci, N. & Verni, F. 1988. Motor and predatory behavior of Litonotus lamella (Protozoa, Ciliata). Can. J. Zool., 66:1973-1981.
11. Ricci, N. & Verni, F. 1994. Experimental perturbation of the Litonotus-Euplotes predator prey system. Zool. Sci., 11:399-406.
12. Ricci, N., Morelli, A. & Verni, F. 1996. The predation of Litonotus on Euplotes: a two step cell-cell recognition process. Acta Protozool., 35:201-108.
13. Rosati, G. 1999. Epixenosomes: symbionts of the hypotrich ciliate Euplotidium itoi. Symbiosis, 26:1-23.
14. Rosati, G., Giambelluca, M. A. & Taiti, E. 1996. Epixenosomes: peculiar epibionts of the ciliate Euplotidium itoi: morphological and functional cell compartmentalization. Tissue & Cell, 28:313-320.
15. Rosati, G., Lenzi, P. & Verni, F. 1993. "Epixenosomes" peculiar epibionts of the ciliate Euplotidium itoi. The formation of the extrusive apparatus and the ejecting mechanism. Europ. J. Protistol., 29:238-245.
16. Rosati, G., Giambelluca M. A., Grossi, M. & Morelli, A. 1997. Epixenosomes, peculiar epibionts of the ciliate Euplotidium itoi: involvement of membrane receptors and the adenylate cyclase-cyclic AMP system in the ejecting process. Protoplasma, 197:57-63.
17. Tuffrau, M. 1985. Une novelle espèce du genre Euplotidium Noland 1937. Euplotidium prosaltans n. sp. (Cilié Hypotriche). Cah. Biol. Mar., 26:53-62.
18. Verni, F. 1985. Litonotus-Euplotes predator-prey interaction: ciliary structure modification of the prey caused by toxicysts of the predator (Protozoa, Ciliata). Zoomorphology, 105:333-335.
19. Verni, F. & Gualtieri, P. 1997. Digestive process of the raptorial feeder ciliate Litonotus lamella (Rabdophora, Litostomatea) visualized by fluorescence microscopy. Micron, 28:447-451.
20. Verni, F. & Rosati, G. 1990. Peculiar epibionts in Euplotidium itoi (Ciliata, Hypotrichida). J. Protozool., 37:337-343.
21. Whal, M., Hay, M. E. & Enderlein, P. 1997. Effects of epibiosis on consumer-prey interactions. Hydrobologia, 355:49-59.
22. Wicklow, B. J. 1997. Signal-induced defensive phenotypic changes in ciliated protists: morphological and ecological implications for predator and prey. J. Euk. Microbiol., 44:176-188.