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Prymnesium Massart 1920

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Prymnesium

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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]

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]
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]

References

  1. ^ 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.
  2. ^ Fritsch, F.E. 1965. The Structure and Reproduction of the Algae. Volume 1.Cambridge University Press.
  3. ^ 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.]
  4. ^ 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.
  5. ^ 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 [...]
  6. ^ a b 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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Prymnesium: Brief Summary

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Prymnesium is a genus of haptophytes, including the species Prymnesium parvum. 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.

The name Latinizes the Greek prymnēsion ‘cable (for mooring)’, from prymna ‘stern’, from prymnos ‘hindmost’.

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