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Topic: Parabasalid

Related Topics

Metamonad

Heterolobosea

Diplomonad

Trichomonas vaginalis

Evolutionary tree

Naegleria

Protist

	NationMaster - Encyclopedia: Parabasalid
		Parabasalids (phylum Parabasalia) are anaerobic flagellated protists which contain at least one parabasal apparatus consisting of a parabasal body (Golgi complex) and a parabasal filament.
		Parabasalids can be distinguished by the presence of the microtubular axostyle-pelta complex, composed of a sheet of cross-linked microtubules that are the longitudinal axis of the cell.
		Parabasalids are the only eukaryotic lineage from which a sizeable number of genes have been examined without the detection of introns.
	www.nationmaster.com /encyclopedia/Parabasalid (474 words)

	Parabasalid - Wikipedia, the free encyclopedia
		The parabasalids are group of flagellate protozoa, most of which are symbiotic in animals.
		Parabasalids are anaerobic, and lack mitochondria, but this is now known to be a result of secondary loss, and they contain small hydrogenosomes which apparently developed from reduced mitochondria.
		The trichomonads have one group of 4-6 flagella, one of which is attached to the side of the cell and often forms an undulating membrane.
	en.wikipedia.org /wiki/Parabasalid (290 words)

	Parabasalid - Biocrawler
		The parabasalids are group of flagellate protozoa, most of which are symbiotic in animals.
		Parabasalids are anaerobic, and lack mitochondria, but this is now known to be a result of secondary loss, and they contain small hydrogenosomes which apparently developed from reduced mitochondria.
		Similar relics have been found in other amitochondriate flagellates, and the parabasalids are probably related to them, forming a group called the metamonads.
	www.biocrawler.com /encyclopedia/Parabasalid (269 words)

	Parabasalia - MicrobeWiki
		Other parabasalid species live in the intestines of some cockroaches and termites, enabling them to break down the cellulose in the dead plant material they eat.
		The relationships of the parabasalids with their hosts and with other symbionts are complex and in most cases not well understood.
		Parabasalids live as parasites or symbionts in animals, though a few are regarded as commensals (such as Trichomonas hominis and T.
	microbewiki.kenyon.edu /mediawiki-1.6.6/index.php/Parabasalia (337 words)

	BioMed Central \| Full text \| Evolution of four gene families with patchy phylogenetic distributions: influx of genes ...
		While the parabasalid gene likely originated via a gene transfer event, possibly from a eubacteria within the Bacteroidetes/Chlorobi group (Figure 5), the source of the diplomonad genes remains uncertain.
		The case for this relationship was recently strengthened by the identification of two aminoacyl-tRNA synthetase genes that appear to have been transferred to a common ancestor of the two lineages [18] and recent phylogenetic analyses of concatenated protein alignments [25-27].
		Lateral gene transfers inferred from Figures 2-6, as well as previously published phylogenetic analyses [10, 18] discussed in the text, are indicated on the topology; gene transfers from prokaryotes are indicated by fl arrows, intra-eukaryote transfers between the groups are indicated by orange arrows, and gene introduced from uncertain origins are indicated by grey arrow.
	www.biomedcentral.com /1471-2148/6/27 (9830 words)

	The glycolytic pathway of Trimastix pyriformis is an evolutionary mosaic
		Similarly, amitochondriate protists such as parabasalids, diplomonads, pelobionts and entamoebids cleave fructose-1,6-bisphosphate with a class II fructose-bisphosphate aldolase (FBA), while most other eukaryotes possess a class I FBA 14161718.
		For instance, diplomonad and parabasalid glucose phosphate isomerases (GPI) are more closely related to the GPIs of cyanobacteria and chloroplasts than to cytosolic GPIs of other eukaryotes 11.
		The root of the tree was chosen at the split of the chloroplast and stramenopile sequences from the remaining homologs for display purposes.
	www.biomedcentral.com /content/xml/1471-2148-6-101.xml (7781 words)

	MEDLINE_1996-2006 - Results of the search <page 1>
		We determined small subunit ribosomal DNA sequences from three parabasalid species, Trichomitus batrachorum strain R105, Tetratrichomonas gallinarum, and Pentatrichomonas hominis belonging to the Trichomonadinae subfamily.
		The addition of these three new parabasalid species did not however resolve ambiguities regarding the relative branching order of the parabasalid clades.
		The phylogenetic positions of Tritrichomonas faetus, Monocercomonas sp., Dientamoeba fragilis, and the unidentified Reticulitermes flavipes gut symbiont 1 remain unclear.
	www.bireme.br /cgi-bin/wxislind.exe/iah/online/?IsisScript=iah/iah.xis&nextAction=lnk&base=MEDLINE_1996-2006&exprSearch=10651299&indexSearch=UI&lang=i (259 words)

	MBL Astrobiology Portal
		Molecular phylogeny of parabasalids inferred from small subunit rRNA sequences, with emphasis on the Descovinidae and Calonymphidae (Trichomonadea).
		Phylogenetic position of parabasalid symbionts from the termite
		Molecular phylogeny of parabasalids based on small subunit rRNA sequences, with emphasis on the Trichomonadinae subfamily.
	astrobiology.mbl.edu /personnel-vedgcomb.html (972 words)

	YourArt.com >> Encyclopedia >> oxymonad (Site not responding. Last check: )
		Along with the similar parabasalid flagellates, they harbor the symbiotic bacteria that are responsible for breaking down cellulose.
		Most Oxymonads are around 50 μm in size and have a single nucleus, associated with four flagella.
		Their basal bodies give rise to a several long sheets of microtubules, which form an organelle called an axostyle, but different in structure from the axostyles of parabasalids.
	www.yourart.com /research/encyclopedia.cgi?subject=/oxymonad (242 words)

	Research - Biology and Psychology - University of Newcastle (Site not responding. Last check: )
		Small subunit rDNA genes were amplified by polymerase chain reaction using specific primers from mixed-population DNA obtained from the whole hindgut of the termite Calotermes flavicollis.
		Comparative sequence analysis of the clones revealed two kinds of sequences that were both from parabasalid symbionts.
		In a molecular tree inferred by distance, parsimony and likelihood methods, and including 27 parabasalid sequences retrieved from the data bases, the sequences of the group II (clones Cf5 and Cf6) were closely related to the Devescovinidae/Calonymphidae species and thus were assigned to the Devescovinidae Foaina.
	www.ncl.ac.uk /biol/research/publication/31756 (177 words)

	Eukaryotic Protists (Site not responding. Last check: )
		Diplomonads and parabasalids do not have electron transport chains, enzymes which are required for the citric acid cycle, and DNA is absent in theur mitochondria.
		Parabasalids have axostyles, a supporting rod composed of microtubules, that extends along the longitudinal axis of their body.
		Parabasala - Trichomonas vaginalis is a harmful parabasalid, which inhabits the human vagina.
	www.kn.sbc.com /wired/fil/pages/listprotistsjv.html (866 words)

	The Diplomonads, Parabasala, Euglenozoa, & Alveolata Hunt (Site not responding. Last check: )
		The diplomonads and the parabasalids lack plastids, and their mitochondria lack DNA, electron transport chains, or enzymes normally required for the citric acid cycle.
		Parabasalids carry out a special type of closed mitosis called cryptopleuromitosis, characterized by the persistence of the nuclear envelope and the presence of an extra-nuclear spindle.
		Most parabasalids are not harmful to its host, however, Trichomonas vaginalis, a common type in humans, can be very harmful.
	www.kn.sbc.com /wired/fil/pages/hunteuglenozba.html (785 words)

	Cysts and Symbionts of Staurojoenina Assimilis Kirby From Neotermes - Science - RedOrbit
		Staurojoenina assimilis Kirby, a hindgut hypermastigote parabasalid symbiont in two kalotermitids (Neotermes mona St. John, US Virgin Islands and N. jouteli Puerto Rico) was studied live and by electron microscopy.
		Although genetic and even ultrastructural data are woefully sparse, the protistological community shares a growing awareness of the genetic, morphological, ecological and evolutionary importance to protists of ecto- and endosymbiotic bacteria (Sapp 2004).
		Tightly adhering Gram-negative rod-shaped bacteria are common on the surface of oxymonads and parabasalids (Table 1).
	www.redorbit.com /news/science/122483/cysts_and_symbionts_of_staurojoenina_assimilis_kirby_from_neotermes/index.html (3330 words)

	Flegr J - Últimos artículos en medline (Site not responding. Last check: )
		The role of dopamine in Toxoplasma-induced behavioural alterations in mice: an ethological and ethopharmacological study.
		New evolutionary lineages, unexpected diversity, and host specificity in the parabasalid genus Tetratrichomonas.
		Influence of latent 'asymptomatic' toxoplasmosis on body weight of pregnant women.
	www.galenicom.com /medline/author/Flegr+J (166 words)

	2004 Molecular Parasitology Meeting: Abstract Book Online (Site not responding. Last check: )
		Hydrogenosomes are anaerobic forms of mitochondria that must have evolved several times independently in different anaerobic, eukaryotic lineages.
		We are currently characterizing the hydrogenosomal proteomes from two independent lineages, the chytrid fungus Neocallimastix frontalis and the parabasalid flagellate Trichomonas vaginalis, in order to determine the degree of similarity between organelles from both organisms and between hydrogenosomes and mitochondria.
		In the process we have identified a large number of ribosomal proteins, elongation facter EF-1a and a protein of the nascent chain associated complex (NAC) in the hydrogenosomal proteome of T.
	www.mbl.edu /mpm/mpm-2004/abstracts/abstract.php?id=280 (208 words)

	Gene Transfers from Nanoarchaeota to an Ancestor of Diplomonads and Parabasalids -- Andersson et al. 22 (1): 85 -- ...
		by a gene transfer to a common ancestor of diplomonads and parabasalids,
		event to a common ancestor of diplomonads and parabasalids.
		because the common ancestor of diplomonads and parabasalids
	mbe.oxfordjournals.org /cgi/content/full/22/1/85 (3529 words)

	Amazon.com: Parabasalid
		Choanoflagellates Euglena Animals Trypanosomes Micsosportdla Parabasalids Leishmania 4040 Diplomonads c~e.
		for their hosts and the parabasalid protists, also found exclusively in...
		slime moulds; (4) Amitochondriate excavates: parabasalids, diplomonads; (5) Radiolaria: radiolarians; (6)...
	www.amazon.com /s?ie=UTF8&keywords=Parabasalid&index=blended&page=1 (380 words)

	Howa - Howa Gun Stocks. Walnut Gun Stocks, Laminated Gun Stocks. Custom
		Howa Type 89 Howa Type 89 Type 89 assault rifle Type: Assault rifle Place of origin: Japan Service history In service: 1989—present Used by: Japanese.
		Pachyjoenia howa, a new symbiotic parabasalid joeniid flagellate
		The Joenia-like lophomonad of Posteiectrotermes howa is identified by light and electron microscopy as a new genus and species Pachyjoenia howa.
	xn--cjr146bb34a.com /xyup/howa.html (432 words)

	NASA Planetary Biology Internship
		Christophe is from France and did graduate studies at the Pasteur Institute.
		In 2002 he had a paper published based on his PBI work: Noel, C., Gerbod, D., Dolan, M. F., Edgcomb, V. P., Kitade, O., Noda, S., Dufernez, F., Ohkuma, M., Kudo, T., Sogin, M. and Viscogliosi, E. Molecular phylogeny of parabasalids inferred from small subunit rRNA sequences, with emphasis on the Devescovinidae and Calonymphidae (Trichomonadea).
		He identified the cortical striations of Staurojoenina assimilis, a parabasalid from the Caribbean dry wood eating termite (Neotermes mona), are a gram negative bacterium related to Citrobacter (called Cuticobacterium kirbyi).
	www.geo.umass.edu /projects/pbi (5586 words)

	ScienceWeek (Site not responding. Last check: )
		In a large EST (expressed sequence tag) project with Hydra magnipapillata (www.hydrabase.org), the authors have identified a cDNA homologous to the flp genes of the parabasalid protist Trichomonas vaginalis.
		The direction of transfer is at present uncertain.
		The authors favor the idea of transfer from a parabasalid protist to a cnidarian, but the authors suggest additional information on the distribution of flp genes in parabasalid protists and cnidarians will be required to resolve this question.
	scienceweek.com /2004/sb040611-4.htm (2403 words)

	revues (Site not responding. Last check: )
		BRUGEROLLE G. A microscopical investigation of the genus Foaina, a parabasalid protist symbiotic in termites and phylogenetic considerations.
		Gerbod D., EDGCOMB V., Noël C., DELGADO-VISCOGLIOSI P., VISCOGLIOSI E. Phylogenetic position of parabasalid symbionts from the termite Calotermes flavicollis based on small subunit rRNA sequences.
		Odberg-Ferragut C, Renault JP, Viscogliosi E, Toursel C, Briche I, Engels A, Lepage G, Morgenstern-Badarau I, Camus D, Tomavo S, Dive D. Molecular cloning, expression analysis and iron metal cofactor characterisation of a superoxide dismutase from Toxoplasma gondii.
	www.protistes.univ-bpclermont.fr /fr/E-Cytosk/pub/rev00.htm (197 words)

	[No title] (Site not responding. Last check: )
		Phylogeny, systematics and molecular polymorphism of parabasalids, retortamonads, diplomonads, enteromonads, archamoebae and heteroloboseans
		Cepicka I, Hampl V, Kulda J, Flegr J. New evolutionary lineages, unexpected diversity and host specificity in the parabasalid genus Tetratrichomonas.
		Èepièka I, Hampl V, Kulda J, Flegr J. New evolutionary lineages, unexpected diversity and host specificity in the parabasalid genus Tetratrichomonas.
	web.natur.cuni.cz /zoologie/invertebrata/Cepicka.htm (326 words)

	From the Cover: Mitochondrial-type assembly of FeS centers in the hydrogenosomes of the amitochondriate eukaryote ...
		DNA from parabasalid hydrogenosomes deprives us of the clues
		The unpublished sequence of TficsS from another parabasalid, Tritrichomonas fetus, is shown also.
		is similar to that seen in mitochondria and parabasalid hydrogenosomes,
	www.pnas.org /cgi/content/full/101/28/10368 (3446 words)

	Spliceosomal introns in the deep-branching eukaryote Trichomonas vaginalis -- Vanácová et al. 102 (12): ...
		genes have been reported in the parabasalid lineage.
		Here we examine the motifs required for the parabasalid T.
		introns, present before the divergence of parabasalids from
	www.pnas.org /cgi/content/full/102/12/4430 (4240 words)

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