Prochlorophyta: Difference between revisions
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'''''Prochlorophyta''''' are a group of photosynthetic [[Prokaryotes]], an important component of [[picoplankton]].<ref name=Miller>{{cite book|last=Miller|first=Charles B.|title=Biological Oceanography|year=2004|publisher=Wiley-Blackwell}}</ref> These oligotrophic organisms are abundant in nutrient poor tropical waters and use a unique photosynthetic pigment, divinyl-chlorophyll, to absorb light and acquire energy.<ref name="Miller" /><ref name=Lewin2002>{{cite journal|last=Lewin|first=Ralph A.|title=Prochlorophyta - a matter of class distinctions|journal=Photosynthesis Research|year=2002|volume=73|pages=59–61}}</ref><ref>{{cite journal|last=Partensky|first=Frederic|author2=Nicolas Hoepffner |author3=William K.W.Li |author4=Osvaldo Ulloa |author5=Daniel Vaulot |title=Photoacclimation of Prochlorococcus sp. (Prochlorophyta) Strains Isolated from the North Atlantic and the Mediterranean Sea|journal=Plant Physiol.|year=1993|volume=101|pages=285–296}}</ref> Prochlorophyta lack red and blue [[Phycobilin]] pigments and have stacked thylakoids, making them distinctly different from Cyanophyta ([[Cyanobacteria]]).<ref name="Lewin2002" /> |
'''''Prochlorophyta''''' are a group of photosynthetic [[Prokaryotes]], an important component of [[picoplankton]].<ref name=Miller>{{cite book|last=Miller|first=Charles B.|title=Biological Oceanography|year=2004|publisher=Wiley-Blackwell}}</ref> These oligotrophic organisms are abundant in nutrient poor tropical waters and use a unique photosynthetic pigment, divinyl-chlorophyll, to absorb light and acquire energy.<ref name="Miller" /><ref name=Lewin2002>{{cite journal|last=Lewin|first=Ralph A.|title=Prochlorophyta - a matter of class distinctions|journal=Photosynthesis Research|year=2002|volume=73|pages=59–61|pmid=16245104|doi=10.1023/A:1020400327040}}</ref><ref>{{cite journal|last=Partensky|first=Frederic|author2=Nicolas Hoepffner |author3=William K.W.Li |author4=Osvaldo Ulloa |author5=Daniel Vaulot |title=Photoacclimation of Prochlorococcus sp. (Prochlorophyta) Strains Isolated from the North Atlantic and the Mediterranean Sea|journal=Plant Physiol.|year=1993|volume=101|pages=285–296}}</ref> Prochlorophyta lack red and blue [[Phycobilin]] pigments and have stacked thylakoids, making them distinctly different from Cyanophyta ([[Cyanobacteria]]).<ref name="Lewin2002" /> |
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== Discovery and naming == |
== Discovery and naming == |
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Revision as of 20:17, 26 September 2014
Prochlorophyta are a group of photosynthetic Prokaryotes, an important component of picoplankton.[1] These oligotrophic organisms are abundant in nutrient poor tropical waters and use a unique photosynthetic pigment, divinyl-chlorophyll, to absorb light and acquire energy.[1][2][3] Prochlorophyta lack red and blue Phycobilin pigments and have stacked thylakoids, making them distinctly different from Cyanophyta (Cyanobacteria).[2]
Discovery and naming
This unique group of phytoplankton, with no Phycobilin pigments, were initially found in 1975 near the Great Barrier Reef[4] and off the coast of Mexico (Prochloron);[5] Prochlorophyta was soon assigned as a new algal sub-class in 1976 by Ralph A. Lewin of the Scripps Institution of Oceanography [6] .[7] Other phytoplankton that lacked Phycobilin pigments were later found in freshwater lakes in the Neatherlands by Tineke Burger-Wiersma and colleagues [8] and were termed Prochlorothrix (additional reading on Prochlorothrix can be found in an journal article by A.V. Pinevich [9] ). In 1986 Prochlorococcus was found by Sallie W. (Penny) Chisholm and colleagues;[10] Prochlorococcus may be responsible for a significant portion of the global primary production .
Morphology
Prochlorophytes are very small microbes generally between 0.2 and 2 µm (Photosynthetic picoplankton). They morphologically resemble Cyanobacteria (formally known as Blue Green Algae). Members of Prochlorophyta have been found as coccoid (spherical) (Coccus) shaped, as in Prochlorococcus, and as filaments, as in Prochlorothrix.
See also
References
- ^ a b Miller, Charles B. (2004). Biological Oceanography. Wiley-Blackwell.
- ^ a b Lewin, Ralph A. (2002). "Prochlorophyta - a matter of class distinctions". Photosynthesis Research. 73: 59–61. doi:10.1023/A:1020400327040. PMID 16245104.
- ^ Partensky, Frederic; Nicolas Hoepffner; William K.W.Li; Osvaldo Ulloa; Daniel Vaulot (1993). "Photoacclimation of Prochlorococcus sp. (Prochlorophyta) Strains Isolated from the North Atlantic and the Mediterranean Sea". Plant Physiol. 101: 285–296.
- ^ Newcomb, Eldon H.; Thomas D. Pugh (1975). "Blue-green algae associated with ascidians of the Great Barrier Reef". Nature. 253: 533–534. doi:10.1038/253533a0.
- ^ Lewin, Ralph A. (1975). "A marine Synechocystis (Cyanophyta, Chroococcales) epizoic on ascidians". Phycologia. 3. 14: 153–160. doi:10.2216/i0031-8884-14-3-153.1.
- ^ Lewin, Ralph A. (1976). "Prochlorophyta as a proposed new division of algae". Nature. 261: 697–698. doi:10.1038/261697b0.
{{cite journal}}: soft hyphen character in|title=at position 38 (help) - ^ Lewin, Ralph A. (1977). "Prochloron, type genus of the Prochlorophyta". Phycologia. 2. 16: 217. doi:10.2216/i0031-8884-16-2-217.1.
- ^ Burger-Wiersma, T. (1986). Nature. 320: 262–264.
{{cite journal}}: Missing or empty|title=(help); Unknown parameter|coauthors=ignored (|author=suggested) (help) - ^ Pinevich, AV (1999). "Characterization of a novel chlorophyll b-containing Prochlorothrix species (Prochlorophyta) and its photosynthetic apparatus". Microbios. 100: 159–174.
{{cite journal}}: Unknown parameter|coauthors=ignored (|author=suggested) (help) - ^ Chisholm, S.W. (1988). "A novel free-living prochlorophyte abundant in the oceanic euphotic zone". Nature. 334: 340–343. doi:10.1038/334340a0.
{{cite journal}}: Unknown parameter|coauthors=ignored (|author=suggested) (help)