Deuteramoeb mycophaga CCAP 1586/1.
Olympus BH2, DIC
Locomotive forms, crystals and nucleus
Deuteramoeba mycophaga (Pussard, Alabouvette, Lemaitre and Pons, 1980) Page, 1988
Lentgh in locomotion 70-180 mkm (average 110 mkm).
Amoebae are polypodial (polytactic), if monopodial
(monotactic) cells are pronoucely "clavate"
in locomotion. Polytactic amoebae
have few well-pronouced pseudopodia.
Floating form of radial type; several thick pseudopodia of unequal
lenght radiate from irregular central mass of the granuloplasm.
Lots of big bypiramidal crystals.
Double-walled cysts with well-separated walls. See Page (1988, p. 60)
Nucleus spherical, 12-20 mkm in diameter, with
single central nucleolus.
Surface coat looks like very fine amorphous glycocalyx.
Maybe it consists of very fine, irregular filaments that cougulate
under fixation. Mitochondrial heteromorphism is not known.
Fibrous nuclear lamina presents (Page, 1986).
This species is very distinctive due to relatively large size and
few well-pronouced pseudopodia that it forms. During initial
examination may resemble small Amoeba spp. However, unique
nuclear structure among largest amoebids easily distinguish it.
TEM of the cell coat and nucleus is preferable for correct
This is the same species designated Trichamoeba mycophaga
by Chakraborty & Old (1986).
Terrestrial, Europe, Australia. Can be
maintained in PJ with weat grains and Chilomonas paramecium
as a food object.
The strain is available from
Collection of Algae and Protozoa, CEH Windermere, UK.
Basic references for identification:
Back to checklist of species
- Pussard M., Alabouvette C., Lemaitre I. and Pons R. 1980.
Une nouvelle amibe mycophage endogee Cashia mycophaga
n sp. (Hartmannellidae, Amoebida). Protistologica 16: 443-451.
- Chakraborty S. and Old K.M. 1986. Ultrastructure and description
of a fungus-feeding amoeba, Trichamoeba mycophaga n.sp.
(Amoebidea, Amoebae), from Australia. J. Protozool. 33: 564-569.
- Page F.C. 1986. The genera and possible relationships of
the family Amoebidae, with special attention to
comparative ultrastructure. Protistologica. 22: 301-316.
- Page F.C. 1988. A new key to freshwater and soil
gymnamoebae. FBA, Ambleside. 122p.
- Page F.C. 1991. Nackte Rhizopoda. in: Protozoenfauna,
b.2. Gustav Fisher, Stuttgart. 3-172.