Prymnesium
Prymnesium is a genus of haptophytes, including the species Prymnesium parvum.[1] The genus is a unicellular motile alga. It is ellipsoidal in shape one flagellum is straight and there are two longer ones which enable movement.[2]
| Prymnesium | |
|---|---|
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| Illustration | |
Scientific classification  | |
| Kingdom: | Chromista |
| Phylum: | Haptista |
| Subphylum: | Haptophytina |
| Class: | Prymnesiophyceae |
| Order: | Prymnesiales |
| Family: | Prymnesiaceae |
| Genus: | Prymnesium |
The name Latinizes the Greek prymnēsion ‘cable (for mooring)’,[3][4] from prymna ‘stern’, from prymnos ‘hindmost’.[5]
Morphology
P. parvum f. patelliferum. Electron microscopy.
a) Transversal section showing the f1,f2: flagella, h: haptonema, c: chloroplast, sc: surface of the cell covered with scales.
b) Longitudinal section showing: c: (complex) chloroplasts, cer: chloroplasts endoplasmic reticulum, vf: vestibular fossa/cavity, per: periplastidial endoplasmatic reticulum, n: nucleus, nu: nucleolus, ner: nuclear endoplasmic reticulum, m: mitochondria, p: pyrenoids, g: Golgi body, mb: muciferous body (extrusome, pv: pulsatile/contractile vacuole, sc: scales.
c) r: radial and c: concentrical scales.[6]
a) Transversal section showing the f1,f2: flagella, h: haptonema, c: chloroplast, sc: surface of the cell covered with scales.
b) Longitudinal section showing: c: (complex) chloroplasts, cer: chloroplasts endoplasmic reticulum, vf: vestibular fossa/cavity, per: periplastidial endoplasmatic reticulum, n: nucleus, nu: nucleolus, ner: nuclear endoplasmic reticulum, m: mitochondria, p: pyrenoids, g: Golgi body, mb: muciferous body (extrusome, pv: pulsatile/contractile vacuole, sc: scales.
c) r: radial and c: concentrical scales.[6]
P. parvum f. patelliferum. Electron microscopy.
a) sc: scale forming in the g: Golgi body, er: endoplasmic reticulum.< />b) g: Golgi body just below the fr: flagellar root, m: mitochondrion, n: nucleous, mb: muciferous body, cytoplasm surrounded by a narrow peripheral cisterna of per: endoplasmic reticulum.
c) Transversal section showing peripheral cisterna of per: endoplasmic reticulum, n: nucleus, nu: nucleolus, m: mitochondrion, l: lipidic globules, mb: muciferous body, and sc: scales.
d) Transversal section showing cer: chloroplast endoplasmic reticulum is continuous with the nucleus endoplasmic reticulum. c: chloroplast, g: Golgi body, f: flagella, p: pyrenoids, n: nucleus, pv: pulsatil vacuole, mb: muciferous body, and sc: scales.[6]
a) sc: scale forming in the g: Golgi body, er: endoplasmic reticulum.< />b) g: Golgi body just below the fr: flagellar root, m: mitochondrion, n: nucleous, mb: muciferous body, cytoplasm surrounded by a narrow peripheral cisterna of per: endoplasmic reticulum.
c) Transversal section showing peripheral cisterna of per: endoplasmic reticulum, n: nucleus, nu: nucleolus, m: mitochondrion, l: lipidic globules, mb: muciferous body, and sc: scales.
d) Transversal section showing cer: chloroplast endoplasmic reticulum is continuous with the nucleus endoplasmic reticulum. c: chloroplast, g: Golgi body, f: flagella, p: pyrenoids, n: nucleus, pv: pulsatil vacuole, mb: muciferous body, and sc: scales.[6]
References
- La Claire, JW (2006). "Analysis of expressed sequence tags from the harmful alga, Prymnesium parvum (Prymnesiophyceae, Haptophyta)". Mar. Biotechnol. 8 (5): 534–46. doi:10.1007/s10126-005-5182-2. PMID 16896534. S2CID 27204487.
- Fritsch, F.E. 1965. The Structure and Reproduction of the Algae. Volume 1.Cambridge University Press.
- Cooper, Thomas (1565). Thesaurus Linguae Romanae et Britannicae.
prymnesium: The post wherevnto the cable of a ship is tyed. The cable it selfe. [The post unto which the cable of a ship is tied; the cable itself.]
- Graham, Linda E.; Wilcox, Lee Warren (2000). Algae. Prentice Hall. p. 193. ISBN 978-0-13-660333-7.
Prymnesium (Gr. prymnesion, stern-cable) is a single-celled flagellate.
- Roberts, Edward A. (2014). A Comprehensive Etymological Dictionary of the Spanish Language. Vol. II. Xlibris Corp. p. 409. ISBN 978-1-4931-9111-6.
proís < Cat. prois < VL. *prodesium < L. prymnēsium [...]
- Beltrami, Orietta; Escobar, Marcela; Collantes, Gloria (May 2007). "New record of Prymnesium parvum f. patelliferum (Green, Hibberd & Piennar) Larsen stat. nov. (Prymnesiophyceae) from Valparaíso Bay". Investigaciones Marinas. 35 (1). doi:10.4067/S0717-71782007000100009.
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