Holophryidae

Lardero, La Rioja, Spain

The ciliate Holophrya, with a polar mouth which is surrounded by stiff rods (nemadesmata) that can be used to manipulate food into the body. Normally eats algae and detritus. Differential interference contrast.

Holophrya ovum (Ehrenberg,1831). The yellow arrowhead indicates the three dorsal brush rows of short cilia. DIC

Holophrya ovum (Ehrenberg,1831). The yellow arrowhead indicates the three dorsal brush rows of short cilia. DIC

Holophrya ovum (Ehrenberg,1831). The yellow arrowhead indicates the three dorsal brush rows of short cilia. Stained by the silver carbonate technique (see Foissner, W. Europ. J. Protistol., 27:313-330;1991).Brightfield.

Anterior view of Holophrya ovum (Ehrenberg,1831). The yellow arrowhead indicates the pattern of the silverline system. The red arrowhead indicates the dorsal brush rows.The silverline system in the circular area around the cytostome is more densely stained than in the rest of the cell.Stained by the silver carbonate technique (see Foissner, W. Europ. J. Protistol., 27:313-330;1991).Brightfield.

Holophrya ovum (Ehrenberg,1831). DIC.

Dorsal brush of the enklitoloph-dexiotrop configuration in Holophrya ovum (Ehrenberg, 1831).Stained by the silver carbonate technique (see Foissner, W. Europ. J. Protistol., 27:313-330;1991).Brightfield.

The yellow arrowead indicates the faintle visible anterior ends of the trichites supporting the cytopharynx. the red arrowhead indicates the dikinetids of the undulating membrane. Only the dikinetids on the left of the cytostome are stained here. Stained by the silver carbonate technique (see Foissner, W. Europ. J. Protistol., 27:313-330;1991). Brightfield.

Predatory / detritus consuming ciliate, with anterior ingestion area subtended by stiff nemadesmata. Cell with symbiotic algae. Macronucleus upper right, contractile vacuole at the posterior end of the cell. Nomarski optics of living cell.

Infraciliature of Pelagothrix plancticola (FOISSNER,BERGER&SCHAUMBERG,1999).The three green arrowheads mark the three rows of dikinetids comprizing the adoral organelles or "dorsal brush".The rightmost adoral organelle is continuous posteriorly with a shortened somatic kinety.The pink arrowhead marks one of the dikinetids of the undulating membrane that borders the oral aperture.Specimen collected from an ephemeral freshwater puddle on the bank of the Boise river in Boise,Idaho.April 2007. Stained by the silver carbonate technique (Foissner,W. Europ. J. Protistol.27:313-330;1991).Brightfield.

Infraciliature of Pelagothrix plancticola (FOISSNER,BERGER&SCHAUMBERG,1999).The three green arrowheads mark the three rows of dikinetids comprizing the adoral organelles or "dorsal brush".The rightmost adoral organelle is continuous posteriorly with a shortened somatic kinety (yellow arrowhead).Specimen collected from an ephemeral freshwater puddle on the bank of the Boise river in Boise,Idaho.April 2007. Stained by the silver carbonate technique (Foissner,W. Europ. J. Protistol.27:313-330;1991).Brightfield.

Infraciliature of Pelagothrix plancticola (FOISSNER,BERGER&SCHAUMBERG,1999).The three green arrowheads mark the three rows of dikinetids comprizing the adoral organelles or "dorsal brush".The rightmost adoral organelle is continuous posteriorly with a shortened somatic kinety (yellow arrowhead).Specimen collected from an ephemeral freshwater puddle on the bank of the Boise river in Boise,Idaho.April 2007. Stained by the silver carbonate technique (Foissner,W. Europ. J. Protistol.27:313-330;1991).Brightfield.

Cross-section of the prominent cortical alveoli of Pelagothrix plancticola (FOISSNER,BERGER&SCHAUMBERG,1999) in vivo (yellow arrowheads).Endosymbiotic zoochlorellae are present in the cytoplasm.Specimen collected from an ephemeral freshwater puddle on the bank of the Boise river in Boise,Idaho.April 2007.DIC.

Prominent cortical alveoli of Pelagothrix plancticola (FOISSNER,BERGER&SCHAUMBERG,1999) in vivo seen en face.Specimen collected from an ephemeral freshwater puddle on the bank of the Boise river in Boise,Idaho.April 2007.DIC.

Pelagothrix plancticola (FOISSNER,BERGER&SCHAUMBERG,1999) in vivo.Specimen collected from an ephemeral freshwater puddle on the bank of the Boise river in Boise,Idaho.April 2007.DIC.

Pelagothrix plancticola (FOISSNER,BERGER&SCHAUMBERG,1999) in vivo.Specimen collected from an ephemeral freshwater puddle on the bank of the Boise river in Boise,Idaho.April 2007.DIC.

Pelagothrix plancticola (FOISSNER,BERGER&SCHAUMBERG,1999) in vivo. Specimen collected from an ephemeral freshwater puddle on the bank of the Boise river in Boise,Idaho.April 2007.DIC.

Pelagothrix plancticola (FOISSNER,BERGER&SCHAUMBERG,1999) in vivo. Specimen collected from an ephemeral freshwater puddle on the bank of the Boise river in Boise,Idaho.April 2007.DIC.

Pelagothrix plancticola (FOISSNER,BERGER&SCHAUMBERG,1999).The blue arrowheads mark densely stained extrusomes.Specimen collected from an ephemeral freshwater puddle on the bank of the Boise river in Boise,Idaho.April 2007. Stained by the silver carbonate technique (Foissner,W. Europ. J. Protistol.27:313-330;1991).Brightfield.