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Topic: Labyrinthulid

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	Labyrinthula - MicrobeWiki
		Labyrinthulidae (synonym labyrinthulid) is a family of mainly marine unicellular protists, that live for the most part on sea grasses and marine algae.
		Labyrinthulids have a unique organelle called a bothrosome which produces the organism's characteristic ectoplasmic "net" of filaments.
		Labyrinthulids are currently being studied in regards to their negative impact on several aquatic plants, especially eelgrass in North America and Europe in the mid-20th century.
	microbewiki.kenyon.edu /index.php/Labyrinthula (359 words)

	The Ultimate Labyrinthulomycetes - American History Information Guide and Reference
		Diplophrys The Labyrinthulomycetes are a group of protists that produce a network of filaments or tubes, which serve as tracks for the cells to glide along and absorb nutrients for them.
		They are mostly marine, commonly found as parasites on algae and seagrass or as decomposers on dead plant material.
		Among the labyrinthulids the cells are enclosed within the tubes, and among the thraustochytrids they are attached to their sides.
	www.historymania.com /american_history/Labyrinthulid (205 words)

	Labyrinthulomycetes - Wikipedia, the free encyclopedia
		The Labyrinthulomycetes are a group of protists that produce a network of filaments or tubes, which serve as tracks for the cells to glide along and absorb nutrients for them.
		The cells are uninucleate and typically ovoid, and move back and forth along the amorphous network at speeds varying from 5-150 μm per minute.
		Among the labyrinthulids the cells are enclosed within the tubes, and among the thraustochytrids they are attached to their sides.
	www.wikipedia.org /wiki/Labyrinthulid (215 words)

	Protist - Biocrawler (Site not responding. Last check: 2007-11-05)
		Of these, the green and red algae appear to be close relatives of other plants, and so may be included among the Plantae, but the brown algae developed separately.
		These are the slime moulds, which are spore-forming amoeboids, and the water moulds and labyrinthulids.
		The latter two are related to brown algae, golden algae, diatoms and the like, forming a group called the heterokonts.
	www.biocrawler.com /encyclopedia/Protista (425 words)

	[No title]
		A labyrinthulid strain, L59, was isolated from a leaf floating on seawater collected at the coastal area of Hokkaido Prefecture, Japan.
		It was also clearly classified in the labyrinthulid group by phylogenetic analysis.
		In the optimum culture condition, using soybean oil and peptone as carbon and nitrogen sources, 0.53 g of n-6 DPA/l was produced at 20 degrees C in 7 days.
	www.galenicom.com /medline/article/12750856/au:Yokoyama+R (209 words)

	Untitled Document (Site not responding. Last check: 2007-11-05)
		Labyrinthulids are not related to most other amoebae, but are stramenopiles.
		Gymnophrys, usually considered to be an amoeba, but it does have very short flagella.
		Unlike labyrinthulids, the 'filaments' are pseudopodia which extend from the body, rather than are channels through which the cells migrate.
	microscope.mbl.edu /baypaul/microscope/lucidkeys/amoebae/html/LMEB_spindle.htm (84 words)

	[No title]
		Labyrinthulids are also isolated from Thalassia lesions and grown on agar plates and in liquid media.
		Isolated labyrinthulids are being speciated using growth characteristics at different temperatures, salinities, and light regimes; cell sizes; host specificity; and both scanning and transmission electron microscopy.
		Thalassia shoots grown axenically from seed are currently being used for transmission experiments of labyrinthulid isolates to determine pathogenicity, environmental requirements, and other factors required to induce mortality in seagrass.
	www.aoml.noaa.gov /ocd/Fb96abs.html (20158 words)

	[No title]
		A new labyrinthulid isolate that produces only docosahexaenoic acid.
		We show here that a new labyrinthulid strain, L72, isolated from a fallen leaf in the Seto Inland Sea of Japan, produced only docohexaenoic acid (DHA) among all the long-chain polyunsaturated fatty acids (LCPUFAs).
		On phylogenetic analysis using the 18S rDNA sequence, the strain was located in the labyrinthulids group, forming a monophyletic group with Labyrinthula sp.
	www.galenicom.com /?ac=viewArticleMXPrint&idpm=16380808 (245 words)

	..::treeBASE::.. (Site not responding. Last check: 2007-11-05)
		The labyrinthulids and thraustochytrids, identified by the presence of bothrosomes and the associated ectoplasmic net, are marine saprobes classified as stramenopiles in the kingdom Protista.
		We have sequenced a partial ssurDNA region for 10 isolates in five genera, including Diplophrys marina(a possible labyrinthulid relative which lacks bothrosomes).
		These groups correspond to the three morphological extremes found within the phylum; the labyrinthulids, the thraustochytirds, and the labyrinthuloids.
	www.phylo.org /treebase/view/view_study.php?studyID=S533 (149 words)

	IngentaConnect Colony formation and fatty acid composition of marine labyrinthul...
		Marine labyrinthulid isolates produced algal lytic zones on the double-layer agar with living cells of diatom, whereas they formed thin film-like colonies on agar media containing bacterial cell extracts or dead cell debris.
		The molecular phylogenetic analysis using SSU rDNA sequences indicated that labyrinthulid isolates made a clade with some representatives belonging to the Labyrinthulida.
		Docosahexaenoic acid (DHA) was found to be the fatty acid with the highest content in cellular lipids of a representative strain L95-2 increasing up to 80% of total fatty acids dependent on culture conditions.
	www.ingentaconnect.com /content/bsc/fis/2000/00000066/00000001/art00013 (185 words)

	Research - Celeste Leander
		Using ssrDNA sequence data, I have established the existence of three major lineages within the phylum, the labyrinthulids, thraustochytrids, and aplanochytrids.
		Although motility has been investigated in the labyrinthulid lineage, motility in the aplanochytrids is poorly understood and non-existent within vegetative cells of the thraustochytrids.
		In the near future, I am interested in exploring mechanisms of motility within the group, as well as population ecology of these decomposers in varying habitats.
	www3.botany.ubc.ca /bleander/Celeste_files/research.html (444 words)

	Tanczos, Melinda A., J. Craig Bailey, and Robeert A. Andersen. (Site not responding. Last check: 2007-11-05)*
		The outer wall may form a protuberance, or "foot", at the posterior end of non-motile cells.
		Interestingly, many vegetative cells are infected by a labyrinthulid.
		Flagellate stages have been observed and possess roughly equal length flagella and a haptonema.
	www.botany2002.org /section8/abstracts/44.shtml (293 words)

	AIST:AIST Today 2005-No.18
		One strain contains docosahexaenoic acid (DHA) only among polyunsaturated fatty acid (PUFA), and another contains only n-6 docosapentaenoic acid (n-6DPA).
		The growth optimization for labyrinthulid has revealed that the growth was accelerated in an oil-dispersed solid medium.
		Using growth character of labyrinthulids, we developed a new method of DHA/DPA production from food waste.
	www.aist.go.jp /aist_e/aist_today/2005_18/hot_line/hot_line_12.html (98 words)

	Manual of diagnostic for Aquatic Animals, 2006 - SUMMARY
		Allow an exposure time of at least 30 minutes before flushing with clean seawater.
		This solution is effective against most microbial agents as well as labyrinthulid protozoans.
		Chlorinated seawater must be neutralised prior to release from the holding facility.
	www.oie.int /eng/normes/fmanual/A_00014.htm (6560 words)

	abs1223
		Gonadal neoplasia of soft-shell clams has the potential to affect reproduction and recruitment success in affected stocks.
		A haemic neoplasia condition has been linked to high mortality and losses during processing, and a labyrinthulid parasite of quahaugs, known as "QPX", has been linked to broodstock mortalities of quahaugs under hatchery conditions, as well as mass mortalities of open-water populations in Massachusetts.
		Research findings, which are being applied to the culture of these species, will be presented.
	www.phys.ocean.dal.ca /ccffr/abs2000.htm (18488 words)

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