| 词条 | Yellow-green algae | |||||||
| 释义 |
| name = Yellow-green algae | image = Album général des Cryptogames, Pl. 20.jpg | image_caption = Examples of xanthophytes (repair the unequal flagella in the cells) | domain = Eukaryota | unranked_regnum = SAR | superphylum = Heterokonta | phylum = Ochrophyta | classis = Xanthophyceae | classis_authority = Allorge, 1930,[1] emend. Fritsch, 1935[2] | synonyms =
Yellow-green algae or the Xanthophyceae (xanthophytes) are an important group of heterokont algae. Most live in fresh water, but some are found in marine and soil habitats. They vary from single-celled flagellates to simple colonial and filamentous forms. Xanthophyte chloroplasts contain the photosynthetic pigments chlorophyll a, chlorophyll c, β-carotene, and the carotenoid diadinoxanthin.[7] Unlike other heterokonts, their chloroplasts do not contain fucoxanthin, which accounts for their lighter colour. Their storage polysaccharide is chrysolaminarin.[7] Xanthophyte cell walls are produced of cellulose and hemicellulose.[7] They appear to be the closest relatives of the brown algae. ClassificationsThe species now placed in the Xanthophyceae were formerly included in the Chlorophyceae.[8] In 1899, Lüther created the group Heterokontae for green algae with unequal flagella. Pascher (1914) included the Heterokontae in the Chrysophyta. In 1930, Allorge renamed the group as Xanthophyceae. The monadoid (unicellular flagellates) and also sometimes the amoeboid species have been included by some authors in the Protozoa or Protista,[9][10] as order Heterochloridina (e.g., Doflein and Reichenow, 1927-1929[11]), as class Xanthomonadina, with orders Heterochloridea and Rhizochloridea (e.g., Deflandre, 1956[12]), as order Heterochlorida (e.g., Hall, 1953,[13] Honigberg et al., 1964[14]), as order Heteromonadida (e.g., Leedale, 1983[15]), or as subclass Heterochloridia (e.g., Puytorac et al., 1987[16]). These groups are called ambiregnal protists, as names for these have been published under either or both of the ICZN and the ICN. Xanthophyceae have been divided into the following four orders in some classification systems:{{citation needed|date=December 2014}}
Lüther (1899)Classification according to Lüther (1899):[18][19]
Pascher (1912)Classification according to Pascher (1912):[20]
Fritsch (1935)Fritsch (1935) recognizes the following orders in the class Xanthophyceae:[21]
Smith (1938)In the classification of Smith (1938), there are six orders in the class Xanthophyceae, placed in the division Chrysophyta:
Pascher (1939)Pascher (1939) recognizes 6 classes in Heterokontae:[22]
Copeland (1956)Copeland (1956) treated the group as order Vaucheriacea:[23]
Ettl (1978), van den Hoek et al. (1995)In a classification presented by van den Hoek, Mann and Jahns (1995), based on the level of organization of the thallus, there are seven orders:
These are the same orders of the classification of Ettl (1978),[24] an updated version of the classic work by Pascher (1939). Ultrastructural and molecular studies shows that the Mischococcales might be paraphyletic, and the Tribonematales and Botrydiales polyphyletic,[25] and suggests two orders at most be used until the relationships within the division are sorted.[26] Maistro et al. (2009)Informal groups, according to Maistro et al. (2009):[27]
Unicellular flagellates, amoeboid and palmelloid taxa were not included in this study. Adl et al. (2005, 2012)According to Adl et al. (2005, 2012):[26][28]
See also{{Wikispecies|Xanthophyceae}}
References1. ^{{cite journal | last1 = Allorge | first1 = P | year = 1930 | title = Heterocontées ou Xanthophycées? | url = | journal = Rev. Alg. | volume = 5 | issue = | page = 230 }} {{Heterokont}}{{Taxonbar|from=Q745912}}2. ^Fritsch, F.E. (1935) The Structure and Reproduction of the Algae. Volume I. Introduction, Chlorophyceae, Xanthophyceae, Chrysophyceae, Bacillariophyceae, Cryptophyceae, Dinophyceae, Chloromonadineae, Euglenineae, Colourless Flagellata. Cambridge University Press, Cambridge.{{page needed|date=October 2014}} 3. ^{{cite journal |last1=Lüther |first1=A. |year=1899 |title=Über Chlorosaccus eine neue Gattung der Süsswasseralgen |journal=Bihang til Kongliga Svenska Vetenskaps-Akademiens Handlingar |volume=24 |pages=1–22 |oclc=178060545}} 4. ^{{cite journal |first1=D. J. |last1=Hibberd |date=February 1981 |title=Notes on the taxonomy and nomenclature of the algal classes Eustigmatophyceae and Tribophyceae (synonym Xanthophyceae) |journal=Botanical Journal of the Linnean Society |volume=82 |issue=2 |pages=93–119 |doi=10.1111/j.1095-8339.1981.tb00954.x}} 5. ^{{cite book |last=Leedale |first=G.F. |year=1985 |chapter=Order 5, Heteromonadida Leedale, 1983 |pages=70– |editor1-first=John J. |editor1-last=Lee |editor2-first=Seymour Herbert |editor2-last=Hutner |editor3-first=Eugene C. |editor3-last=Bovee |title=An illustrated Guide to Protozoa |publisher=Society of Protozoologists |location=Lawrence, Kansas}}{{page needed|date=October 2014}} 6. ^{{cite book |last=Hiberd |first1=D. J. |year=1990 |chapter=Phylum Xanthophyta |editor1-first=L. |editor1-last=Margulis |editor2-first=J. O. |editor2-last=Corliss |editor3-first=M. |editor3-last=Melkonian |editor4-first=D. J. |editor4-last=Chapman | display-editors = 3|title=Handbook of Protoctista |pages=686–97 |publisher=Jones and Bartlett Publishers |location=Boston, Massachusetts, USA}} 7. ^1 2 {{Cite book | last1 = Stace | first1 = Clive A. | authorlink = Clive A. Stace |title = Plant Taxonomy and Biosystematics | date = | publisher = Cambridge University Press |year=1991 | location = | isbn = 978-0-521-42785-2 | pages = }}{{page needed|date=October 2014}} 8. ^Chapman, V. J. An Introduction to the Study of Algae. University Press, Cambridge; The Macmillan Company, New York, 1941, p. 18, [https://archive.org/stream/introductiontost00chap#page/18/mode/2up]. 9. ^Copeland (1956), p. 63 10. ^{{cite journal | last1 = Fernández-Galiano | first1 = D | year = 1990 | title = Las nuevas clasificaciones de los organismos eucarióticos unicelulares. Protistología versus Protozoología | url = http://repositorio.fciencias.unam.mx:8080/xmlui/bitstream/handle/11154/143377/42VNuevasClasificaciones.pdf?sequence=1 | journal = Rev. R. Soc. Esp. Hist Nat., (Secc. Biol.) | volume = 85 | issue = 1–4| pages = 107–125 }} 11. ^Doflein, F. & Reichenow, E. 1927-1929. Lehrbuch der Protozoenkunde, 5th ed, G. Fischer, Jena. 1262 p. 12. ^Deflandre, G. (1952). In: Grassé, P.-P. (Ed.). Traité de Zoologie. Vol. 1, fasc. 1. Phylogénie. Protozoaries: Generalités, Flagellés. Masson et Cie, Paris. pp. 212, 217, 220. 13. ^Hall, R.P., 1953. Protozoology. Prentice-Hall, New York, [https://archive.org/details/protozoology00hall], 14. ^{{cite journal | last1 = Honigberg | first1 = B.M. | last2 = Balamuth | first2 = W. | last3 = Bovee | first3 = E.C. | last4 = Corliss | first4 = J.O. | last5 = Gojdics | first5 = M. | last6 = Hall | first6 = R.P. | last7 = Kudo | first7 = R.R. | last8 = Levine | first8 = N.D. | last9 = Loeblich | first9 = A.R.Jr. | last10 = Weiser | first10 = J. | last11 = Wenrich | first11 = D.H. | year = 1964 | title = A revised classification of the phylum Protozoa | url = | journal = Journal of Protozoology | volume = 11 | issue = 1| pages = 7–20 | doi=10.1111/j.1550-7408.1964.tb01715.x}} 15. ^{{cite book |last=Leedale |first=G.F. |year=1985 |chapter=Order 5, Heteromonadida Leedale, 1983 |pages=70– |editor1-first=John J. |editor1-last=Lee |editor2-first=Seymour Herbert |editor2-last=Hutner |editor3-first=Eugene C. |editor3-last=Bovee |title=An illustrated Guide to Protozoa |publisher=Society of Protozoologists |location=Lawrence, Kansas}}{{page needed|date=October 2014}} 16. ^Puytorac, P. de, Grain, J., Mignot, J.P. Précis de protistologie. Lubrecht & Cramer Ltd, 1987. 581 p. 17. ^Christensen, T. 1987. Seaweeds of the British Isles. Volume 4 Tribophyceae (Xanthophyceae). British Museum (Natural History), London {{ISBN|0-565-00980-X}}{{page needed|date=October 2014}} 18. ^{{cite journal | last1 = Lüther | first1 = A | year = 1899 | title = Über Chlorosaccus eine neue Gattung der Süsswasseralgen | url = | journal = Bihang til Kongliga Svenska Vetenskaps-Akademiens Handlingar | volume = 24 | issue = | pages = 1–22 }} 19. ^Pascher (1912), p. 9, [https://www.biodiversitylibrary.org/item/13897#page/35/mode/1up]. 20. ^{{cite journal | last1 = Pascher | first1 = A | year = 1912 | title = Zur Gliederung der Heterokonten (Kieine Beiträge zur Kenntnis unserer Mikroflora 3). | url = https://www.biodiversitylibrary.org/item/13897#page/32/mode/1up| journal = Hedwigia | volume = 53 | issue = | pages = 6–22 }} 21. ^Fritsch, F.E. (1935) The Structure and Reproduction of the Algae. Volume I. Introduction, Chlorophyceae. Xanthophyceae, Chrysophyceae, Bacillariophyceae, Cryptophyceae, Dinophyceae, Chloromonadineae, Euglenineae, Colourless Flagellata. Vol. I, Cambridge University Press, Cambridge, [https://books.google.com/books?id=hOa74Hm4zDIC&lpg=PP1&hl=pt-BR&pg=PA26#v=onepage&q&f=false]. 22. ^Pascher, A., 1939. Heterokonten. In: Rabenhorsts Kryptogamen-Flora von Deutschland, Österreich und der Schweiz. Aufl. 2 Bd. XI. Leipzig: Akad. Verlagsges (1937–1939). p. 204, . 23. ^Copeland, H. F. (1956). The Classification of Lower Organisms. Palo Alto: Pacific Books, pp. 63-67, [https://archive.org/stream/classificationof00cope#page/62/mode/2up]. 24. ^Ettl, H., 1978. Xanthophyceae. In: Ettl, H., Gerloff, J., Heynig, H. (Eds.), Süsswasserflora von Mitteleuropa, Bd. 3. 1. Teil. Gustav Fischer Verlag, Stuttgart, pp. 1–530. 25. ^{{cite journal | last1 = Negrisolo | first1 = E. | display-authors = etal | year = 2004 | title = Morphological convergence characterizes the evolution of Xanthophyceae (Heterokontophyta): evidence from nuclear SSU rDNA and plastidial rbcL genes | url = https://www.researchgate.net/publication/8386968_Morphological_convergence_characterizes_the_evolution_of_Xanthophyceae_%28Heterokontophyta%29_evidence_from_nuclear_SSU_rDNA_and_plastidial_rbcL_genes | journal = Molecular Phylogenetics and Evolution | volume = 33 | issue = | pages = 156–170 | doi=10.1016/j.ympev.2004.04.016 | pmid=15324845}} 26. ^1 {{cite journal |vauthors=Adl SM, Simpson AG, Farmer MA, etal |title=The new higher level classification of eukaryotes with emphasis on the taxonomy of protists |journal=The Journal of Eukaryotic Microbiology |volume=52 |issue=5 |pages=399–451 |year=2005 |pmid=16248873 |doi=10.1111/j.1550-7408.2005.00053.x}} 27. ^{{cite journal |vauthors=Maistro S, Broady PA, Andreoli C, Negrisolo E |title=Phylogeny and taxonomy of Xanthophyceae (Stramenopiles, Chromalveolata) |journal=Protist |volume=160 |issue=3 |pages=412–26 | date=August 2009 |pmid=19386545 |doi=10.1016/j.protis.2009.02.002}} 28. ^{{cite journal |vauthors=Adl SM, Simpson AG, Lane CE, etal |title=The revised classification of eukaryotes |journal=The Journal of Eukaryotic Microbiology |volume=59 |issue=5 |pages=429–93 | date=September 2012 |pmid=23020233 |pmc=3483872 |doi=10.1111/j.1550-7408.2012.00644.x}} 2 : Heterokont classes|Ochrophyta |
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