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Topic: Euglenids

Related Topics

Euglenozoa

Percolozoa

Pellicle

Flagellate

Axodine

Dinoflagellate

Heterokont

Euglena

Amoeboid

Opaline

Labyrinthulomycetes

Cercozoa

Flagellum

Paraphyletic

Opisthokont

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	Euglenid - Wikipedia, the free encyclopedia
		The euglenids are one of the best-known groups of flagellates, commonly found in freshwater especially when it is rich in organic materials, with a few marine and endosymbiotic members.
		Many euglenids have chloroplasts and produce energy through photosynthesis, but others feed by phagocytosis or strictly by osmosis.
		Euglenids are distinguished mainly by the presence of a pellicle, which is composed of proteinaceous strips underneath the cell membrane, supported by dorsal and ventral microtubules.
	en.wikipedia.org /wiki/Euglenid (583 words)

	Euglenid (Site not responding. Last check: 2007-10-07)
		Many euglenids have chloroplasts, but others are primitively or secondarily colourless.
		Euglenids presumably acquired chloroplasts from some ingested green alga.
		Most coloured euglenids have a stigma, or eyespot, which is a small splotch of red pigment on one side of the flagellar pocket.
	www.theezine.net /e/euglenid.html (500 words)

	Euglenozoa - Wikipedia, the free encyclopedia
		The Euglenozoa are a large group of flagellate protozoa, dominated by the euglenids and kinetoplastids.
		In most forms there is an associated cytostome (mouth) supported by one of three microtubule groups that arise from the flagellar bases.
		These are characteristic of the group; the other two support the dorsal and ventral surfaces of the cell, and in the euglenids support proteinaceous strips that form a pellicle.
	en.wikipedia.org /wiki/Euglenozoa (317 words)

	Introduction to the Basal Eukaryotes
		While many are photosynthetic and have chloroplasts, some euglenids lack chloroplasts and are colorless.
		The euglenid cell is covered by a flexible coat, the pellicle, that allows the cell to change shape; euglenids can swim using their flagella but can also creep using a peculiar type of "inching" locomotion known as metaboly.
		Most known euglenids live in shallow freshwater habitats enriched in organic matter, but some live in marine or brackish waters, and a few are parasitic in animals.
	www.ucmp.berkeley.edu /protista/basalprotists.html (954 words)

	animations Rosemarie Arbur (Site not responding. Last check: 2007-10-07)
		The flagella may also adhere to surfaces to keep the cell in one place, and with a different beat pattern the cells can be driven backwards.
		Those which glide may have one or two emerging flagella, and one or both is usuually pressed against the substrate.
		Euglenid flagella are generally much thicker than the flagella of most other organisms.
	www.sb-roscoff.fr /baypaul/microscope/animations/rarbur/rarbur_01.htm (823 words)

	GfBS -Org. Divers. Evol. 3, Electr. Suppl. 1 (2003) (Site not responding. Last check: 2007-10-07)
		Euglenid flagellates as a common and widespread group of protists display a broad morphological variety.
		Convincing support could be found for primary osmotrophic euglenids and corresponding subgroups, a taxon mainly based on molecular data.
		On the other hand, in agreement with weak corroboration from morphological data, euglenid monophyly and interrelationships of phagotrophs, phototrophs and osmotrophs were not supported.
	www.senckenberg.de /odes/03-01.htm (225 words)

	Tree of Life Glossary
		Pertaining to the air - as opposed to the land (terrestrial) or the water (aquatic).
		Now divided into blue-green algae (eubacteria), cryptomonads, chlorarachniophytes, glaucophytes, dinoflagellates and other alveolates, euglenids (a group of Euglenozoa), various stramenopiles (also referred to as chromophytes, chrysophytes, heterokonts - including the diatoms and brown algae), haptophytes (= prasinophytes), green algae (green plants), and red algae.
		euglenids) causing the flagellum to appear relatively thick.
	tolweb.org /tree/home.pages/glossary.html (5247 words)

	pentamo
		There is no description of any colorless euglenid having laterally projecting spinous processes.
		The organism described here, which was common in the sand at the Narragansett Laboratory and rare but present at Scripps is one of the many euglenids having highly characteristically sculptured pellicles.
		The nucleus lies close to the base of the gullet-reservoir, an unusual position for euglenids.
	bio.rutgers.edu /euglena/eugtaxa/pentamonas.html (399 words)

	Flagellated protozoa
		Apart from using their undulipodium Euglenids are also able to locomote by flexing their bodies and changing their body shape, so called Euglenoid motion.
		Euglenids have the ability to lose their chloroplasts.
		If you would keep Euglenids in the dark they start feeding on organic matter and may loose their pigment.
	www.microscopy-uk.org.uk /mag/wimsmall/flagdr.html (666 words)

	Flagellate -- Facts, Info, and Encyclopedia article (Site not responding. Last check: 2007-10-07)
		The (Chiefly marine protozoa having two flagella; a chief constituent of plankton) dinoflagellates, (Common in fresh and salt water appearing along the shore as algal blooms) cryptomonads, (Click link for more info and facts about haptophyte) haptophytes, and (Marine and freshwater green or colorless flagellate organism) euglenids are almost entirely single-celled flagellates.
		These include the euglenids and a number of important parasites, such as (Click link for more info and facts about trypanosome) trypanosomes and (A suspected cause of diarrhea in humans) Giardia.
		The excavates generally show similarities in the structure of their flagella and typically have a cytostome.
	www.absoluteastronomy.com /encyclopedia/f/fl/flagellate.htm (710 words)

	Flagellates: Heterotrophic Protists With Flagella
		Of the 60 lineages of protists identified among the eukaryotes, 27 satisfy the condition of being a protozoan flagellate.
		Ploeotia (Euglenozoa, Euglenida, a heterotrophic euglenid common in marine sediments, showing anterior (to the left) and posterior flagella.
		Flagella in euglenids are thicker than in many other eukaryotes because of the presence of an additional rod within the flagellum (the crystalline structure within the flagellum to the right below), and because there is a thick coating of fine hairs on the outside.
	tolweb.org /accessory/Flagellates?acc_id=50 (772 words)

	PUBLIKAT
		Busse I and Preisfeld A (2003c): Phylogeny of phagotrophic euglenids (Euglenozoa): A molecular approach based on culture material and environmental samples.
		Busse I and Preisfeld A (2002b): Unusually expanded SSU ribosomal DNA of primary osmotrophic euglenids: Molecular evolution and phylogenetic inference.
		Busse I and Preisfeld A (2002c): Systematics of primary osmotrophic euglenids: A molecular approach to the phylogeny of Distigma and Astasia.
	www.uni-bielefeld.de /biologie/Pflanzenmorphologie/AGPreisPUBLIKAT.html (454 words)

	Jahrbuch-CD der MPG 2003 - Bacterivory by heterotrophic fl
		HF cannot be treated as a fl box since HF generally contain a diverse community of species significantly differing in their feeding behaviour and other ecological properties.
		Today it seems that the dominant taxonomic groups among heterotrophic nano- and microflagellate communities within different marine, brackish and limnetic pelagic communities (heterokont taxa, dinoflagellates, choanoflagellates, kathablepharids) and benthic communities (euglenids, bodonids, thaumatomonads, apusomonads, cercomonads) are relatively similar.
		HF among protista incertae sedis, often neglected in ecological studies, are abundant bacterivores in all investigated habitats.
	www.mpg.de /forschungsergebnisse/wissVeroeffentlichungen/archivListenJahrbuch/2002/22/publZIM4.html (182 words)

	Systematics of primary osmotrophic euglenids: a molecular approach to the phylogeny of Distigma and Astasia ...
		Systematics of primary osmotrophic euglenids: a molecular approach to the phylogeny of Distigma and Astasia (Euglenozoa) -- Busse and Preisfeld 53 (2): 617 -- International Journal of Systematic and Evolutionary Microbiology
		Systematics of primary osmotrophic euglenids: a molecular approach to the phylogeny of Distigma and Astasia (Euglenozoa)
		Euglenids are a diverse group of protists that include phototrophic,
	ijs.sgmjournals.org /cgi/content/full/53/2/617 (3028 words)

	The Euglenoid Project
		Leander, B.S. and Farmer, M.A. The evolution of Phacus (Euglenozoa) as inferred from pellicle morphology and SSU rDNA.
		Leander, B.S., Witek, R.P. and Farmer, M.A. Trends in the evolution of the euglenid pellicle.
		Leander, B.S. and Farmer, M.A. Epibiotic bacteria and a novel pattern of strip reduction on the pellicle of Euglena helicoideus (Bernhard) Lemmerman:.
	www.plantbiology.msu.edu /triemer/Euglena/peet_products.htm (413 words)

	Flagellate (Site not responding. Last check: 2007-10-07)
		Both the green algae and heterokonts include a variety of flagellates in addition to non-motile and multicellular forms.
		The dinoflagellates, cryptomonads, haptophytes, and euglenids are almost entirely single-celled flagellates.
		These include the euglenids and a number of important parasites, such as trypanosomes and Giardia.
	www.yotor.com /wiki/en/fl/Flagellate.htm (444 words)

	Researchers in NSW to Shed Light on Snails and Worms Media Release 19 November 1997 (Site not responding. Last check: 2007-10-07)
		This project is an extensive study of one type of single-celled algae, the euglenids.
		This poorly known group of algae are comon in freshwater habitats and play a significant role in ecosystems.
		A Comprehensive illustrated catalogue on the euglenids will be produced, plus a field guide for non-professionals who require practical information on this algae for freshwater ecologists.
	www.deh.gov.au /minister/env/97/mr19nov597.html (1081 words)

	[No title]
		The euglenids (e.g., Euglena) include many photosynthetic species and so were once thought to be related to other phytoflagellates.
		Studies of the cells with electron microscopy, has shown that they have a unique chloroplast structure that is not similar to that found in any other photosynthetic protist.
		They have unique photosynthetic pigments (chlorophyll a and c) which distinguish them from plants and euglenid photosynthesis.
	www.gwu.edu /~darwin/BiSc151/Protista/protists.html (1927 words)

	Euglena (Site not responding. Last check: 2007-10-07)
		Euglena is a well-known genus of flagellate protozoa, typical of the euglenids, and commonly found in nutrient-rich freshwater, with a few marine species.
		The cells vary in length from around 20 to 300 μm, and are typically cylindrical, oval, or spindle-shaped, with many bright green chloroplasts and a single emergent flagellum.
		Genetic studies suggest that the genus Euglena is paraphyletic to various other uniflagellate euglenids.
	www.worldhistory.com /wiki/E/Euglena.htm (219 words)

	Gertraud Burger \| research and collaborations (Site not responding. Last check: 2007-10-07)
		Euglenozoa is a large group of unicellular eukaryotes that are believed to have emerged very early in eukaryotic history.
		There is increasing evidence that Euglenozoa are monophyletic, and recent data suggest that diplonemids diverged after euglenids, as a sistergroup of kinetoplastids.
		Investigation of other taxa that tentatively emerged prior to kinetoplastids and euglenids is underway.
	megasun.bch.umontreal.ca /People/burger/research.html (690 words)

	The Biology of Flagellates and Amoebas (Site not responding. Last check: 2007-10-07)
		Flagellates can be found living in just about any body of standing water, in moist soil, wet leaf piles, and wet sand, as well as in virtually all animals.
		Euglena spirogyra, a common large euglenid, is a particularly good subject for microscopic study of euglenid structures such as chloroplasts, starch bodies (paramylon bodies), red eye shield, and surface features.
		Related euglenids include Trachelomonas (living in a case), Phacus, the incredibly plastic Distigma, and others.
	www.ecb.org /guides/biology/flagellates.htm (574 words)

	Biology of Protists video/DVD guide.
		In green euglenids, the red eyespot and corresponding photosensitive region near the base of the flagellum create a guidance system that allows Euglena to home in on a light source and swim in that direction until it reaches a light level suitable for photosynthesis.
		Peranema is a predator, capturing and engulfing smaller euglenids.
		Today’s euglenids are modern representative of an ancient line of life, so different from other protists that some biologists have suggested placing them in a kingdom of their own.
	ebiomedia.com /prod/ProtistsVideoDVD.html (2307 words)

	Profile
		In the short-term, research will be centered on comparative studies of complex ultrastructural systems in both euglenids and dinoflagellates.
		Immediate projects will address the ultrastructural diversity, cellular mechanics and evolutionary history of (a) the feeding apparatuses of euglenids, (b)the euglenid cell cortex (pellicle), (c) the feeding apparatuses of heterotrophic dinoflagellates, (d) the cell cortex (amphiesma) of dinoflagellates and (e) the photoreception apparatuses of dinoflagellates.
		Leander, B.S., Witek, R.P. and Farmer, M.A, Trends in the evolution of the euglenid pellicle, Evolution, 55, 2115-2135, 2001
	myprofile.cos.com /bleander (1019 words)

	Untitled Document (Site not responding. Last check: 2007-10-07)
		Chan, M. Triemer, R.., and Fong, D. Effect of the anti-microtubule drug Oryzalin on growth and differentiation of the parasitic protozooan Leishmania mexicana.
		Triemer, R. and Farmer, M. Ultrastructural organization of the heterotrophic euglenids and its evolutionary implications.
		Triemer, R. and Farmer, M. An ultrastructural comparison of the flagellar, feeding and mitotic apparatus in euglenoids and kinetoplastids.
	www.plantbiology.msu.edu /triemerPUB.htm (1375 words)

	Comment on "The Evolution of Modern Eukaryotic Phytoplankton" -- Keeling et al. 306 (5705): 2191b -- Science (Site not responding. Last check: 2007-10-07)
		Green algae were most likely involved in two independent events, giving rise to euglenids (turquoise) and chlorarachniophytes (orange).
		A single endosymbiosis involving a red alga probably gave rise to the chromalveolates (yellow); this group is supported by several molecular characters and gene trees (plotted on the figure).
		In reality, secondary plastids have four membranes, except those of euglenids and peridinin-containing dinoflagellates, which are bound by three membranes.
	www.sciencemag.org /cgi/content/full/306/5705/2191b (1406 words)

	cells :: basics of cells
		This may be linked to the method by which plastids first evolved.
		incorporatePlastids (a generic term for chloroplasts) in euglenids come in a variety of shapes.
		They have a bright green colour because of the presence of chlorophyll B in the photosynethic armoury.
	www.freewebs.com /cellularstudies/euglena.htm (160 words)

	trypanosomabrucei
		The evolution of the antigenic variation is thought to have been selected for because it increases the duration of infection in the vertebrate and this increases the chance for transfer to the vector.
		In addition, kinetoplastids have a characteristic flagellar apparatus, which resembles that of the euglenids.
		They are biflagellate with an anterior locomotory flagella and one posterior recurrent flagellum, which is attached to the body.
	www.earlham.edu /~wheelma/trypanosomabrucei.htm (507 words)

	Wonje.htm
		Lee, W. J., Blackmore, R. Patterson, D. Australian records of two lesser known genera of heterotrophic euglenids - Chasmostoma Massart, 1920 and Jenningsia Schaeffer, 1918.
		Heterotrophic euglenids from freshwater sites in mainland Australia.
		Lee, W. Marine benthic heterotrophic euglenids from south-eastern Australia, in preparation, approximate page volume: 45 pages.
	www.bio.usyd.edu.au /Protsvil/wonje.htm (546 words)

	Fact Sheet for Hypophthalmichthys nobilis (Richardson, 1845)
		Phytoplankton constituted from 2 to 18% of the food consumed and was mainly represented by diatoms, and to a lesser degree by cyanophytes, protococcaceans, and euglenids.
		In larval stanza V and onward, the role of zooplankton in the diet significantly decreased.
		In underyearlings and two-year olds diatoms remained the most common form of phytoplankton taken, with protococcaceans, some cyanophytes, chlorophytes, euglenids, chrysophytes, and pyrrophytes also consumed.
	nis.gsmfc.org /nis_factsheet.php?toc_id=190 (1473 words)

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