Pleurocapsales

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Pleurocapsales
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Domain: Bacteria
Kingdom: Bacillati
Clade: "Cyanobacteria/Melainabacteria clade"
Phylum: Cyanobacteria
Class: Cyanophyceae
Order: Pleurocapsales
Geitler
Families [1]

The Pleurocapsales are an order of coccooid cyanobacteria. Pleurocapsales are characterized by having boocytes, specialized cells where multiple fission takes place. [2]

Their ecology is mainly endolytic and calcareous, they are found inside rocks and in low light conditions. [3] Pleurocapsales were thought to be related to Chroococcidiopsis but recent work with phylogenetics of the 16S rDNA gene has shown that Chroococcidiopsis belongs to its own order Chroococcidiopsidales. [4]

Some genera within Pleurocapsales form pseudo-ramifications such as Pleurocapsa sp., Odorella sp, and all the genera within the Hyellaceae family. [5]

Historically, the order Pleurocapsales has been one of the least studied orders of cyanobacteria, due to its endolithic ecology making them difficult to observe. [6]

Most recently, the order Pleurocapsales has been subsumed within the order Chroococcales. [7]

References

  1. ↑ Komárek J, Kaštovský J, Mareš J, Johansen JR (2014). "Taxonomic classification of cyanoprokaryotes (cyanobacterial genera) 2014, using a polyphasic approach" (PDF). Preslia. 86: 295–335.
  2. ↑ Waterbury, J B; Stanier, R Y (1978). "Patterns of growth and development in pleurocapsalean cyanobacteria". Microbiological Reviews. 42 (1): 2–44. doi: 10.1128/mmbr.42.1.2-44.1978 . ISSN   0146-0749. PMC   281417 . PMID   111023.
  3. ↑ Stivaletta, N.; Barbieri, R. (January 2009). "Endolithic microorganisms from spring mound evaporite deposits (southern Tunisia)" . Journal of Arid Environments. 73 (1): 33–39. doi:10.1016/j.jaridenv.2008.09.024. ISSN   0140-1963.
  4. ↑ Fewer, David; Friedl, Thomas; Büdel, Burkhard (April 2002). "Chroococcidiopsis and Heterocyst-Differentiating Cyanobacteria Are Each Other's Closest Living Relatives" . Molecular Phylogenetics and Evolution. 23 (1): 82–90. doi:10.1006/mpev.2001.1075. ISSN   1055-7903. PMID   12182405.
  5. ↑ Shalygin, Sergei; Huang, I‐Shuo; Allen, Elle H.; Burkholder, JoAnn M.; Zimba, Paul V. (2019-02-13). "Odorella benthonicagen. & sp. nov. (Pleurocapsales, Cyanobacteria): an odor and prolific toxin producer isolated from a California aqueduct" . Journal of Phycology. 55 (3): 509–520. doi:10.1111/jpy.12834. ISSN   0022-3646. PMID   30637743. S2CID   58616115.
  6. ↑ Shalygin, Sergei; Kavulic, Katherine J.; Pietrasiak, Nicole; Bohunická, Markéta; Vaccarino, Melissa A.; Chesarino, Nicholas M.; Johansen, Jeffrey R. (2019-02-19). "Neotypification of Pleurocapsa fuliginosa and epitypification of P. minor (Pleurocapsales): resolving a polyphyletic cyanobacterial genus" . Phytotaxa. 392 (4): 245. doi:10.11646/phytotaxa.392.4.1. ISSN   1179-3163. S2CID   92676499.
  7. ↑ https://lpsn.dsmz.de/order/pleurocapsales


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