Cyanophora paradoxa is a freshwater species of Glaucophyte that is used as a model organism.[3][4] C. paradoxa has two cyanelles or chloroplasts where photosynthesis occurs.[3] Cyanelles are unusual organelles in that they retain a rudimentary peptidoglycan wall.[5] The cyanelle genome of C. paradoxa strain LB 555 was sequenced and published in 1995.[4][6] The nuclear genome was also sequenced and published in 2012.[7]
| Cyanophora paradoxa | |
|---|---|
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| C. paradoxa showing cyanelles in binary fission, nucleus and flagella. Scale bar, 10 µm. | |
Scientific classification 
| |
| Clade: | Archaeplastida |
| Division: | Glaucophyta |
| Class: | Glaucophyceae |
| Order: | Glaucocystales |
| Family: | Glaucocystaceae |
| Genus: | Cyanophora |
| Species: | C. paradoxa
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| Binomial name | |
| Cyanophora paradoxa | |
Description
editCyanophora paradoxa is a unicellular organism with two flagella, attached near the tip of the cell. The cell body is about 7-15 μm long by 3-6 μm wide; it is roughly ovoid (egg-shaped) in shape, and is covered in ridges that outline triangular or crescent-shaped "fenestrations". Each cell generally has one or two cyanelles.[8]
References
edit- ^ Guiry, Michael D. (2015). Cyanophora paradoxa Korshikov, 1924. In: Guiry, M.D. & Guiry, G.M. (2015). AlgaeBase. World-wide electronic publication, National University of Ireland, Galway (taxonomic information republished from AlgaeBase with permission of M.D. Guiry).
- ^ World Register of Marine Species at Cyanophora paradoxa on 2016-06-15
- ^ a b Lee, Robert Edward (2008). Phycology (4th ed.). Cambridge University Press. ISBN 9780521682770.
- ^ a b Stirewalt, Veronica L.; Christine B. Michalowski; Wolfgang Löffelhardt; Hans J. Bohnert; Donald A. Bryant (December 1995). "Nucleotide sequence of the cyanelle genome from Cyanophora paradoxa". Plant Molecular Biology Reporter. 13 (4): 327–333. doi:10.1007/BF02669186. S2CID 26978668.
- ^ Beatrix Pfanzagl; Andrea Zenker; Ernst Pittenauer; Guenter Allmaier; Jorege Martinez-Torrecuadrada; Erich R. Schmid; Miguel A. de Pedro; Wolfgang Loeffelhardt (1996). "Structure of Cyanelle Peptidoglycan of Cyanophora paradoxa: Prokaryotic Cell Wall as Part of an Organelle Envelope". Journal of Bacteriology. 1178 (2): 332–339.
- ^ Arthur R. Grossman (2005). "Paths toward Algal Genomics". Plant Physiology. 137 (2): 410–425. doi:10.1104/pp.104.053447. PMC 1065345. PMID 15710682.
- ^ Dana C. Price; Cheong Xin Chan; Hwan Su Yoon; Eun Chan Yang; Huan Qiu; Andreas P. M. Weber; Rainer Schwacke; Jeferson Gross; Nicolas A. Blouin; Chris Lane; Adrián Reyes-Prieto; Dion G. Durnford; Jonathan A. D. Neilson; B. Franz Lang; Gertraud Burger; Jürgen M. Steiner; Wolfgang Löffelhardt; Jonathan E. Meuser; Matthew C. Posewitz; Steven Ball; Maria Cecilia Arias; Bernard Henrissat; Pedro M. Coutinho; Stefan A. Rensing; Aikaterini Symeonidi; Harshavardhan Doddapaneni; Beverley R. Green; Veeran D. Rajah; Jeffrey Boore; Debashish Bhattacharya (2012). "Cyanophora paradoxa Genome Elucidates Origin of Photosynthesis in Algae and Plants". Science. 335 (6070): 843–847. Bibcode:2012Sci...335..843P. doi:10.1126/science.1213561. PMID 22344442. S2CID 17190180.
- ^ Takahashi, Toshiyuki; Sato, Mayuko; Toyooka, Kiminori; Matsuzaki, Ryo; Kawafune, Kaoru; Kawamura, Mai; Okuda, Kazuo; Nozaki, Hisayoshi (2014). "Five Cyanophora (Cyanophorales, Glaucophyta) species delineated based on morphological and molecular data". Journal of Phycology. 50 (6): 1058–1069. doi:10.1111/jpy.12236. PMID 26988787. S2CID 24754492.
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