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Navicula

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Title: Navicula  
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Subject: Plankton, Nanotechnology education, Aquaculture of sea cucumbers, Nanophytoplankton, Thin layers (oceanography)
Collection: Naviculales
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Navicula

Navicula is a genus of boat-shaped algae — primarily aquatic, eukaryotic, photosynthetic organisms, ranging in size from a single cell.

Navicula is a diatom. The Navicula genus of diatoms comprises over 1,200 species.[1] Navicula is Latin for "small ship", and also a term in English for a boat-shaped incense-holder.[2]

Navicula play an important role in global ecology, producing about a quarter of all the oxygen within Earth's biosphere and serving as keystone species in the food chain of many environments where they provide a staple for the diets of many aquatic species.

Contents

  • Mobility 1
  • See also 2
  • Notes 3
  • External links 4

Mobility

Navicula diatoms are known for their ability to creep about on each other and on hard surfaces such as microscope slides.[3] [4] [5] [6] It is thought that around the outside of the navicula's shell is a girdle of protoplasm that can flow and thus act as a tank track.

See also

Notes

  1. ^
  2. ^ Oxford English Dictionary, "Navicula. 3"
  3. ^ [1] Youtube video
  4. ^ [2] Folia Microbiol (Praha). 2007;52(2):127-34. Survival and motility of diatoms Navicula grimmei and Nitzschia palea affected by some physical and chemical factors. Gupta S1, Agrawal SC.
  5. ^ J Microbiol Methods. 2013 Mar;92(3):349-54. doi: 10.1016/j.mimet.2013.01.006. Epub 2013 Jan 18. Semi-circular microgrooves to observe active movements of individual Navicula pavillardii cells. Umemura K1, Haneda T, Tanabe M, Suzuki A, Kumashiro Y, Itoga K, Okano T, Mayama S.
  6. ^ [3] M.A. Harper & J.F. Harper (1967) Measurements of diatom adhesion and their relationship with movement, British Phycological Bulletin, 3:2, 195-207, DOI: 10.1080/00071616700650051

External links

  • Image
  • [4]
  • [5]
  • [6]

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