Synchromophyceae

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Synchromophyceae
Chlamydomyxa montana
Scientific classification Edit this classification
Domain: Eukaryota
Clade: Sar
Clade: Stramenopiles
Phylum: Ochrophyta
Clade: Chrysista
Class: Synchromophyceae
S.Horn & C.Wilhelm 2007[1]
Orders[2]

Synchromophyceae is a class of photosynthetic stramenopiles. 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.[1]

Evolution

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Synchromophyceae is a class within the Ochrophyta that contains a few genera of amoeboid organisms, such as the mixotrophic Synchromonas and the heterotrophic Chlamydomyxa and Leucomyxa.[3] It is phylogenetically close to the classes Chrysophyceae and Picophagea, within the SII clade.[4][2]

Ochrophyta
SIII

Diatoms and relatives

Taxonomy

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The class Synchromophyceae was described in 2007 to include the genus Synchroma.[1] Since then, other closely-related organisms have been added. As of 2024, three orders are recognized, each containing one genus, and two additional incertae sedis genera.[2]

References

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  1. ^ a b c 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.
  2. ^ a b c d Terpis, Kristina X.; Salomaki, Eric D.; Barcytė, Dovilė; Pánek, Tomáš; Verbruggen, Heroen; et al. (2025). "Multiple plastid losses within photosynthetic stramenopiles revealed by comprehensive phylogenomics". Current Biology. 35 (3): 483–499.e8. doi:10.1016/j.cub.2024.11.065.
  3. ^ 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.
  4. ^ 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.
  5. ^ Barcytė, Dovilė; Jaške, Karin; Pánek, Tomáš; Yurchenko, Tatiana; Ševčíková, Tereza; Eliášová, Anežka; Eliáš, Marek (2024). "A cryptic plastid and a novel mitochondrial plasmid in Leucomyxa plasmidifera gen. and sp. nov. (Ochrophyta) push the frontiers of organellar biology". Open Biology. 14 (10) 240022. doi:10.1098/rsob.240022. ISSN 2046-2441. PMC 11528492. PMID 39474867.
  6. ^ Billard, C. (1978). "Chrysopodocystis socialis gen. et sp. nov. (Chrysophyceae), une nouvelle Rhizochrysidale marine loriquée". Bulletin de la Société Botanique de France (in French). 125 (5–6): 307–312. doi:10.1080/00378941.1978.10839455. ISSN 0037-8941.
  7. ^ Schmidt, Maria; Horn, Susanne; Ehlers, Katrin; Wilhelm, Christian; Schnetter, Reinhard (2 July 2015). "Guanchochroma wildpretii gen. et spec. nov. (Ochrophyta) Provides New Insights into the Diversification and Evolution of the Algal Class Synchromophyceae". PLOS ONE. 10 (7) e0131821. doi:10.1371/journal.pone.0131821. ISSN 1932-6203. PMC 4489749. PMID 26135124.
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