Euglena
(1) flagellum, (2) macula ocellata, (3) granum amyli, (4) chloroplastum, (5) vacuola, (6) nucleus
Euglena est eucaryotum unicellulare, vulgo bestiola ocellata dicta, ad classem Euglenozorum pertinens. Adhuc magis quam mille species Euglenarum descriptae sunt.
Euglenae nonnunquam vel plantae (quia complures chloroplasta habent (per endosymbiosim) vel animalia (quia flagello se movere possunt) esse arbitrantur.
Euglenae possunt cibum sumere velut animalia (partim heterotrophice), et possunt se alere velut plantae (partim autotrophice), et sunt species quae mixotrophe se alent. Euglenae possunt circumcludere cibi particulos ad illos devorandos (per phagocytosim). Multae Euglenae habent chloroplastos (vide et plastida) et chlorophyllum a & b.
Euglenae nomen traxerunt a macula ocellari, per quam se movere possunt ad lucem versus, videre quidem non possunt.
Euglenae praesertim aquam dulcem, at etiam aquam salsam et tellurem inhabitant. Vacuola eis est ad partem salis in cellula gubernandam, quin prae osmosi nimis tumesceat ac displodeat.
Aqua siccante, euglenae putamine crasso circumdant se ipsae, et dormiunt (ut sporae) donec circumiecta commodior erunt.
Euglenae fissione multiplicantur velut amoebae. Nonnunquam usque formant inflorescentiam algarum, id est aquae superficies viridi colore obtegent.
Fontes
[recensere | fontem recensere]- "Phylogeny and taxonomic revision of plastid-containing euglenophytes based on SSU rDNA sequence comparisons and synapomorphic signatures in the SSU rRNA secondary structure."
- Protist 154 (1): 99–145. Quidam situs interretialis.
Nexus interni
Nexus externi
[recensere | fontem recensere]- Biology Corner
- Protist Images: Euglena
- Euglena at Droplet - Microscopy of the Protozoa
- Images and taxonomy
- Effect of Light Intensity on the Lipid Composition of Euglena gracilis
- Mitochondrial trans-2-Enoyl-CoA Reductase of Wax Ester Fermentation from Euglena gracilis Defines a New Family of Enzymes Involved in Lipid Synthesis
- Aliphatic Chains of Esterified Lipids in Isolated eyesptos {?} of Euglena gracilis var. bacillaris1 (pdf)
- Nature, intracellular distribution and formation of terpenoid quinones in Euglena gracilis. (pdf)
- Tryptophan Synthetase in Euglena gracilis Strain G (pdf)[nexus deficit]
- Lipid Metabolism of Manganese-deficient Algae: I. Effect of Manganese Deficiency on the Greening and the Lipid Composition of Euglena Gracilis Z. (pdf)
- A hydroxy fatty acid dehydrogenase in Euglena gracilis (pdf)
- Comparative studies of biosynthesis of galactolipids in Euglena gracilis strain Z (pdf)
- The Euglena Project
- Das Augentierchen Euglena: Ein einzelliger Geißelträger des Süßwassers
- Euglena - Videosequenzen der Bewegungsmöglichkeiten
- Artenliste beim Integrated Taxonomic Information Seystem (ITIS)?