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Topic: Heterolobosea

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	Percolozoa - Wikipedia, the free encyclopedia
		These are superficially similar to the sporangia of the dictyostelids, but the amoebae only aggregate as individuals or in small groups and do not die to form the stalk.
		The Heterolobosea were first defined by Page and Blanton in 1985 as a class of amoebae, and so only included those forms with amoeboid stages.
		He maintained the Heterolobosea as a class for amoeboid forms, but most others have expanded them to include the flagellates as well.
	en.wikipedia.org /wiki/Heterolobosea (421 words)

	acrasida (Site not responding. Last check: 2007-10-22)
		For this reason, the class Heterolobosea was created to properly classify the acrasids and the schizopyrenids (amoeboflagellates).
		Members of Heterolobosea usually take on two forms during their life cycle: the amoeboid and the flagellate form, the latter of which the acrasids do not take.
		"Evidence for the Heterolobosea from phylogenetic analysis of genes encoding glyceraldehyde-3-phosphate dehydrogenase." Eukaryote Microbiology 6 (1996): 475-485.
	biology.kenyon.edu /Microbial_Biorealm/eukaryotes/acrasids/acrasids.htm (364 words)

	Heterolobosea (Site not responding. Last check: 2007-10-22)
		Heteroloboseans (class Heterolobosea = Percolozoa) have been isolated from soil, freshwater, brackish, and seawater environments and have both anaerobic and aerobic representatives.
		However, both the taxonomic diversity and the range of environments (especially, extreme environments) habitable by heteroloboseans is poorly known.
		Cultured amoebae from anaerobic sediments associated with freshwaters are distinct from other Heterolobosea at the morphological, ultrastructural, and molecular levels, and are described as Monopylocystis visvesvarai n.
	www.uga.edu /protozoa/secabs/abstr/int/a5/a525.html (304 words)

	Acrasis
		), and a new class Heterolobosea was erected to unite the Schizopyrinida and Acrasidae (
		Page, F.C. and Blanton, R.L. The Heterolobosea (Sarcodina: Rhizopoda), a new class uniting the Schizopyrenida and the Acrasidae (Acrasida).
		Roger, A.J., Smith, M.W., Doolittle, R.F. and Doolittle, W.F. Evidence for the Heterolobosea from phylogenetic analysis of genes encoding glyceraldehyde-3-phosphate dehydrogenase.
	www.bms.ed.ac.uk /research/others/smaciver/acrasis.htm (195 words)

	HETEROLOBOSEA
		The Heterolobosea are a group of colorless protists including many members that can transform between amoeboid, flagellate, and encysted stages, collectively referred to as schizopyrenids or amoeboflagellates.
		The latter is slightly smaller, with either two or four anterior flagella associated with a ventral feeding groove.
		This suggests a close relationship to certain other groups, collectively known as excavates, among which the Heterolobosea are one of the lines with mitochondria, and typically have a single nucleus with a nucleolus at its center.
	www.websters-online-dictionary.org /definition/HETEROLOBOSEA (271 words)

	RedOrbit NEWS \| Two new amitochondrial heterolobosean amoebae from anoxic environments (Site not responding. Last check: 2007-10-22)
		In the course of investigations on the protistan biota of anaerobic sediments, two anaerobes have been found that are intolerant of aerobic conditions.
		The two amoebae described here are assigned to the Heterolobosea on the basis of the limax form of their locomotive amoebae, their position in phylogenetic trees based on nuclear small-subunit ribosomal RNA gene sequences, and, as seen in Sawyeria marylandensis, the closed, cruciform mitosis.
		Almost all described Heterolobosea have one centrally-located vesicular nucleolus in the interphase nucleus.
	www.rednova.com /modules/news/tools.php?tool=print&id=37460 (3437 words)

	Percolozoa - Wikpedia (Site not responding. Last check: 2007-10-22)
		They also include the acrasids, a small group of cellular slime moulds.
		Most are bacterivores found in soil and freshwater environments, but there are a few marine and parasitic forms, including the species Naegleria fowleri which is pathogenic in humans.
		These are formed entirely from living cells, which aggregate as individuals or in small groups, in contrast to those of the superficially similar but unrelated dictyostelid slime molds.
	www.bostoncoop.net /~tpryor/wiki/index.php?title=Percolozoa (331 words)

	Heterolobosea (Site not responding. Last check: 2007-10-22)
		The Heterolobosea are a group of colorless protists including many that can transform between amoeboid, flagellate, and encysted stages, collectively referred to as schizopyrenids or amoeboflagellates.
		They also include the acrasids, a small group of cellular slime molds.
		Cavalier-Smith created a new phylum Percolozoa for the extended group, also including the enigmatic flagellate Stephanopogon, but most others have simply expanded the Heterolobosea.
	www.sciencedaily.com /encyclopedia/heterolobosea (364 words)

	Parazitologiya 1998/32/4. Sopina (Site not responding. Last check: 2007-10-22)
		Different cited evidences on parasitic amoebae and amoebo-flagellates belonging to the Lobosea and Heterolobosea classes (Pages, 1987) have been reviewed.
		Special attention is paid to various degree of their adaptation to the parasitic mode of life, which ranges from the parasitism on a border with commensalism to the true parasitism (both facultative and obligatory ones).
		Besides the coprophilous and commensal species, the number of true parasites among the Lobosea and Heterolobosea classes is comparatively small.
	www.zin.ru /journals/parazitologiya/a1998-4/abstr1998-4-Sopina.htm (168 words)

	MavicaNET - Acrasida
		The Acrasis genus was placed in the order (Acrasida) because of its slime mould character together with Pocheina.
		However, morphological similarities between Acrasis and members of the were observed by Page (Page,1978), and a new class Heterolobosea was erected to unite the Schizopyrinida and Acrasidae (Page and Blanton, 1985).
		Evidence for this relationship has been obtained by sequence analysis of glyceraldehyde -3- phopshate dehydrogenase genes from Acrasis rosea and Naegleria andersoni (Roger et al, 1996).
	www.mavicanet.com /lite/ukr/7061.html (160 words)

	Excavate protists (Site not responding. Last check: 2007-10-22)
		There is strong support for a clade of Euglenozoa, Heterolobsea and jakobids, but, unexpectedly, jakobids and Heterolobosea are robustly recovered as sister taxa.
		Malawimonas is placed either as sister to Preaxostyla or as sister to the (Euglenozoa, Heterolobosea, jakobid) clade.
		The original data set strongly supports an association between the (diplomonad, Carpediemonas, parabasalid) clade and Opisthokonts.
	www.uga.edu /~protozoa/secabs/abstr/int/a7/a768.html (310 words)

	SSU rRNA-based Phylogenetic Position of the Genera Amoeba and Chaos (Lobosea, Gymnamoebia): The Origin of Gymnamoebae ...
		suggested a dichotomy of the classes Lobosea and Heterolobosea.
		Page F. Blanton, 1985 The Heterolobosea (Sarcodina: Rhizopoda), a new class uniting the Schizopyrenida and the Acrasidae (Acrasida) Protistologica 21:121-132
		Roger A. Smith, R. Doolittle, W. Doolittle, 1996 Evidence for the Heterolobosea from phylogenetic analysis of genes encoding glyceraldehyde-3-phosphate dehydrogenase J. Eukaryot.
	mbe.oxfordjournals.org /cgi/content/full/18/12/2306 (4116 words)

	Eukaryota (eucaryotes) 30/123
		Foraminifera (Foraminifers: have shells from 60 microns to 12 cm, common in deep sea mud)
		Heterolobosea (Heterotrophic amoebae, amoebo-flagellates, flagellates, and cellular slime molds)
		Schizopyrenida (Heterolobosea that do not produce fruiting bodies)
	www.alysion.org /life/Eukaryota.htm (456 words)

	Saccamoeba stagnicola - plate
		Page F.C. (1974) A further study of taxonomic criteria for Limax amoebae, with description of new species and a key to genera.
		Page F.C. (1985) The limax amoebae: comparative fine structure of the Hartmannelidae (Lobosea) and further comparisons with the Vahlkampfiidae (Heterolobosea).
		Page F.C. A new key to freshwater and soil gymnamoebae.
	amoeba.ifmo.ru /species/hartmannellidae/sacstagnicola.htm (519 words)

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