Picophagea
| Picophagea | |
|---|---|
| Chlamydomyxa montana | |
| Scientific classification | |
| Domain: | Eukaryota |
| Clade: | Diaphoretickes |
| Clade: | SAR |
| Clade: | Stramenopiles |
| Phylum: | Gyrista |
| Subphylum: | Ochrophytina |
| Superclass: | Limnistia |
| Class: | Picophagea Cavalier-Smith 2006 emend. 2017 [1] |
| Orders | |
| Synonyms | |
|
Synchromophyceae S.Horn & C.Wilhelm 2007[2] | |
Picophagea, also known as Synchromophyceae, is a class of photosynthetic stramenopiles.[1][3][4] The chloroplast of the Synchromophyceae are surrounded by two membranes and arranged in a way where they share the outer pair of membranes. The entire chloroplast complex is surrounded by an additional two outer membranes.[2]
Evolution
[edit]Synchromophyceae or Picophagea is a clade within the Ochrophyta that contains a few genera of amoeboid organisms such as the mixotrophic Synchromonas and the heterotrophic Chlamydomyxa, Leukarachnion and Picophagus.[5] It is phylogenetically close to the classes Chrysophyceae and Eustigmatophyceae, within the SII clade.[6]
Taxonomy
[edit]According to AlgaeBase, the class contains only two genera:[7]
- Class Picophagea Cavalier-Smith 2006 emend. 2017 [=Synchromophyceae S.Horn & C.Wilhelm 2007]
- Order Synchromales Horn & Ehlers 2007
- Family Synchromaceae Schnetter & Ehlers 2007
- Genus Synchroma Schnetter 2007
- Family Synchromaceae Schnetter & Ehlers 2007
- Order Chlamydomyxales
- Family Chlamydomyxaceae
- Genus Chlamydomyxa Archer 1875
- Family Chlamydomyxaceae
- Order Synchromales Horn & Ehlers 2007
However, the latest revision recognizes an additional four genera: Chrysopodocystis, Guanochroma, Leukarachnion and Picophagus.[1]
References
[edit]- ^ a b c Cavalier-Smith, Thomas (2017). "Kingdom Chromista and its eight phyla: a new synthesis emphasising periplastid protein targeting, cytoskeletal and periplastid evolution, and ancient divergences". Protoplasma. 255 (1): 297–357. doi:10.1007/s00709-017-1147-3. PMC 5756292. PMID 28875267.
- ^ a b Horn, Susanne; Ehlers, Katrin; Fritzsch, Guido; Gil-Rodríguez, María Candelaria; Wilhelm, Christian; Schnetter, Reinhard (July 2007). "Synchroma grande spec. nov. (Synchromophyceae class. nov., Heterokontophyta): An Amoeboid Marine Alga with Unique Plastid Complexes". Protist. 158 (3): 277–293. doi:10.1016/j.protis.2007.02.004. ISSN 1434-4610. PMID 17567535.
- ^ Ruggiero; et al. (2015), "Higher Level Classification of All Living Organisms", PLOS ONE, 10 (4): e0119248, Bibcode:2015PLoSO..1019248R, doi:10.1371/journal.pone.0119248, PMC 4418965, PMID 25923521
- ^ Silar, Philippe (2016), "Protistes Eucaryotes: Origine, Evolution et Biologie des Microbes Eucaryotes", HAL Archives-ouvertes: 1–462
- ^ Schmidt, Maria; Horn, Susanne; Flieger, Kerstin; Ehlers, Katrin; Wilhelm, Christian; Schnetter, Reinhard (2012). "Synchroma pusillum sp. nov. and other New Algal Isolates with Chloroplast Complexes Confirm the Synchromophyceae (Ochrophyta) as a Widely Distributed Group of Amoeboid Algae". Protist. 163 (4): 544–559. doi:10.1016/j.protis.2011.11.009. PMID 22578425.
- ^ Dovilė Barcytė; Wenche Eikrem; Anette Engesmo; Sergio Seoane; Jens Wohlmann; Aleš Horák; Tatiana Yurchenko; Marek Eliáš (2 March 2021). "Olisthodiscus represents a new class of Ochrophyta". Journal of Phycology. 57 (4): 1094–1118. Bibcode:2021JPcgy..57.1094B. doi:10.1111/jpy.13155. hdl:10852/86515. PMID 33655496.
- ^ Guiry, M.D.; Guiry, G.M. (2016). "Synchromophyceae". AlgaeBase. Retrieved 2019-09-20.
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