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Oligohymenophorea (formerly Nassophorea): Peniculida: Parameciidae

Paramecium caudatum
Ehrenberg, 1838

Genus: Cigar- or foot-shaped; a single macronucleus and 1 to several vesicular or compact microuclei (Kudo, 1966).
Species: 180-300 μm long; a compact micronucleus; two contractile vacuoles (Kudo, 1966). Cylindrical or cigar-shaped; rounded anteriorly, pointed posteriorly; one large compact micronucleus ("caudatum" group) approximately 8 μm diam.; two contractile vacuoles; 170-290 μm long (Wichterman, 1986). Elongate, rounded anteriorly, pointed posteriorly; caudal cilia present; 180-280 μm long; a single macronucleus with a single micronucleus; two contractile vacuoles (Carey, 1992).
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Vegetative cells
Paramecium caudatum, intact cells
intact cells
23 samples
by H. Horikami
by Y. Tsukii
19??-2006
Paramecium caudatum, intact cells
intact cells
23 samples
by A. Yanagi
by K. Mikami
19??-2006
Paramecium caudatum, food vacuole
Food-vacuole
formation
Paramecium caudatum
Food-vacuole
formation
Paramecium caudatum, Cells stained with Azure C
Azure C staining

Azure C staining
Paramecium caudatum, cell division
Cell division
Paramecium caudatum, Silver-stained cells
Silver-stained
Sexual reproduction
Paramecium caudatum
mating reaction
Paramecium caudatum
holdfast union
Paramecium caudatum
paroral union
Paramecium caudatum
meiosis
nuclear events
nuclear events
by K. Mikami
micronuclear process
micronuclear process
by A. Yanagi
Paramecium caudatum
behavior of micronuclei
by A. Yanagi

nuclear exchange
by A. Yanagi
Paramecium caudatum
Conjugating pair
2n x 0
Paramecium caudatum
heat shock
by M. Takahashi
Paramecium caudatum
Schemes
of conjugation
Paramecium caudatum
Autogamy
induced
by methyl urea
by A. Yanagi
Organelle / Inclusions
Paramecium caudatum
trichocysts
discharged by
picric acid
Paramecium caudatum
mitochondria
Paramecium caudatum
inclusion bodies
stock Nn 4a
Niigata, 19??
Paramecium caudatum
contractile
vacuoles

Musashi-Urawa
Saitama, 2002
DNAs
Paramecium caudatum
mtDNA
trees/protocol
by Y. Tsukii

mtDNA
RFLP
by Y. Tsukii
Paramecium caudatum, Mitochondrial plasmids
mt Plasmids
Gel
by Yazaki & Tsukii

mt Plasmids
RAPD
by Y. Tsukii
RAPD patterns of macronuclear genomes

Series Old
RFLP

Series New
RFLP

Series II
RFLP

Series III
RFLP

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