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Amoebozoa

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Amoebozoa is a major taxonomic group containing about 2,400 described species of amoeboid protists, often possessing blunt, fingerlike, lobose pseudopods and tubular mitochondrial cristae. In traditional classification schemes, Amoebozoa is usually ranked as a phylum within either the kingdom Protista or the kingdom Protozoa. In the classification favored by the International Society of Protistologists, it is retained as an unranked "supergroup" within Eukaryota. Molecular genetic analysis supports Amoebozoa as a monophyletic clade. Modern studies of eukaryotic phylogenetic trees identify it a

In the Vinony graph

Within Vinony's link graph, Amoebozoa is referenced by 657 other articles, and connects out to Arcellinida, Discosea and Tubulinea.

Vinony files it under Amoebas, Amoebozoa and Amorphea phyla.

Its subject is documented across 41 Wikipedia language editions.

Species

amoebas

PHYLUM

  1. KingdomProtozoa
  2. PhylumAmoebozoa
Habitatmarine, brackish, freshwater
Observations recorded496,436

亚门与下门 锥足亚门 Conosa 黏菌下门 Mycetozoa (slime-molds) 始变形虫下门 Archamoebae 叶足亚门 Lobosa 原变形虫亚门 Protamoebae 變形虫门是一类似变形虫的(amoeboid)原生生物。变形虫门的多数物种靠细胞内原生质的流动而移动。伪足类似于手指形状、边缘是钝的,所以称作lobopodia,直译为钝的伪足. 大多数是單細胞生物。在土壤中或水域中生存。某些也被发现与其它生物共生,某些甚至是病原体。变形虫门还包括黏菌(slime moulds), 这是多核或多细胞生物,具有变形虫的形态,但又类似于真菌可以产生孢子,通常肉眼可见。 变形虫门生物的尺寸变化很大。许多仅10-20 μm,但也有很大尺寸的原生生物品种,如著名的大变形虫(Amoeba proteus),达到800 μm长,并且由于它的可观的尺寸成为了用于研究的有代表性的细胞。多核变形虫,如卓变形虫属(Genus Chaos)与多核变形虫属(Genus Pelomyxa)可达数毫米长,而某些黏菌面积可达数平方英尺(接近1平方米)。 分类 根据种系发生学,变形虫是动物与真菌的姐妹群,源自共同的祖先单鞭毛生物(Unikonta)[1]: 其它群系 单鞭毛生物 变形虫纲 后鞭毛生物 真菌 动物 变形虫门根据种系发生学可分为三个亚门。 锥足亚门 Conosa[2] 黏菌下门 Mycetozoa (slime-molds) 始变形虫下门 Archamoebae 叶足亚门 Lobosa 原变形虫亚门 Protamoebae 参考文献 ^ Eichinger, L.; Pachebat, J.A.; Glöckner, G.; Rajandream, M.A.; Sucgang, R.; Berriman, M.; Song, J.; Olsen, R.; Szafranski, K.; Xu, Q.; Others,. The genome of the social amoeba Dictyostelium discoideum. Nature. 2005, 435 (7038): 43–57. PMC 1352341. PMID 15875012. doi:10.1038/nature03481. 引文使用过时参数coauthors (帮助) ^ [ http://csb.scichina.com:8080/kxtb/fileup/PDF/04kz1484.pdf[永久失效連結] "内变形虫(Entamoeba)的进化地位", 董玖红等. 《科学通报》第49卷第15期第1486页, 2004年8月。] 外部連結 寄生蟲學-protozoa(原蟲)-Entamoeba(內阿米巴屬) 查 论 编 真核生物 域 古菌 细菌 真核生物 (界 植物 Hacrobi

via GBIF

Museum specimens

Specimen records
8
With media
3
Collections
F, NHMUK
Recorded in
United States, Japan, United Kingdom

Wikidata facts

Image
Amoebozoa.jpg
Show 4 more facts
Commons category
Amoebozoa
taxon name
Amoebozoa
start time
750000000-
taxon common name
アメーバ動物
Sources (2)

via Wikidata · CC0

~19 min read

Encyclopedic overview

14 sections
Contents
  • Morphology
  • Classification
  • Place of Amoebozoa in the eukaryote tree
  • Subphyla within Amoebozoa: Lobosa and Conosa
  • Phylogeny and taxonomy within Amoebozoa
  • Fossil record
  • List of amoebozoan protozoa pathogenic to humans
  • Meiosis
  • Human health
  • Gallery
  • Notes
  • References
  • Further reading
  • External links

Amoebozoa is a major taxonomic group containing about 2,400 described species of amoeboid protists, often possessing blunt, fingerlike, lobose pseudopods and tubular mitochondrial cristae. In traditional classification schemes, Amoebozoa is usually ranked as a phylum within either the kingdom Protista or the kingdom Protozoa. In the classification favored by the International Society of Protistologists, it is retained as an unranked "supergroup" within Eukaryota. Molecular genetic analysis supports Amoebozoa as a monophyletic clade. Modern studies of eukaryotic phylogenetic trees identify it as the sister group to Opisthokonta, another major clade which contains both fungi and animals as well as several other clades comprising some 300 species of unicellular eukaryotes. Amoebozoa and Opisthokonta are sometimes grouped together in a high-level taxon, named Amorphea. Amoebozoa includes many of the best-known amoeboid organisms, such as Chaos, Entamoeba, Pelomyxa and the genus Amoeba itself. Species of Amoebozoa may be either shelled (testate) or naked, and cells may possess flagella. Free-living species are common in both salt and freshwater as well as soil, moss and leaf litter. Some live as parasites or symbionts of other organisms, and some are known to cause disease in humans and other organisms.

While the majority of amoebozoan species are unicellular, the group also includes several clades of slime molds, which have a macroscopic, multicellular stage of life during which individual amoeboid cells remain together after multiple cell division to form a macroscopic plasmodium or, in cellular slime molds, aggregate to form one.

Excerpted from Wikipedia’s “Amoebozoa” article, available under the CC BY-SA 4.0 licence.

Gallery (28)

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