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Topic: Emiliania huxleyi

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	Emiliana - MicrobeWiki
		Emiliania is a small organism that is famous for turning huge portions of the ocean bright turquoise during its blooms.
		Emiliania huxleyi was the first haptophyte organellar genome sequence to be published.
		Emiliania is a marine coccolithophore that lives in cooler waters at depths of about 10-20 meters.
	microbewiki.kenyon.edu /index.php/Emiliana (719 words)

	Alge Informasjon (Site not responding. Last check: 2007-10-08)
		Emiliania huxleyi - in Norwegian waters Emiliania huxleyi is a coccolithophorid with a wide, global distribution.
		huxleyi is not considered harmful, but dense blooms may lead to loss of appetite and change in behavior among farmed fish.
		In 1992 Emiliania huxleyi was thoroughly studied in Norwegian waters.
	algeinfo.imr.no /eng/index.php3?side=visalge&id=1 (167 words)

	Blooms of Emiliania huxleyi are sinks of atmospheric carbon dioxide: A field and mesocosm study derived simulation
		Blooms of Emiliania huxleyi are sinks of atmospheric carbon dioxide: A field and mesocosm study derived simulation
		During field measurements in a bloom of Emiliania huxleyi in the North Sea in 1993, an apparently inconsistent combination of observations was measured: (1) fCO
		Citation: Buitenhuis, E. van der Wal, and H. de Baar (2001), Blooms of Emiliania huxleyi are sinks of atmospheric carbon dioxide: A field and mesocosm study derived simulation, Global Biogeochem.
	www.agu.org /pubs/crossref/2001/2000GB001292.shtml (375 words)

	Coccolithophore - Emiliania huxleyi (Site not responding. Last check: 2007-10-08)
		Emiliania huxleyi lives near the surface of the world's oceans.
		In the case of Emiliania huxleyi, not only the shell, but the soft part of the organism may be recorded in sediments.
		Emiliania huxleyi produces a group of chemical compounds that are very resistant to decomposition.
	earthguide.ucsd.edu /earthguide/imagelibrary/emilianiahuxleyi.html (139 words)

	Emiliania huxleyi - Wikipedia
		Emiliania huxleyi is een eencellig fytoplankton die behoort tot de kalkflagellaten (Coccolithophoridae), die weer behoren tot de algen.
		Ondanks zijn geringe lengte is de soort soms zo massaal aanwezig dat de algen vanuit de ruimte(!) zijn waar te nemen, het feit dat calciet sterk licht terugkaatst heeft hier overigens ook mee te maken.
		Emiliania huxleyi past zich zoals veel micro-organismen aan aan de omstandigheden door bepaalde stoffen in meer of juist mindere mate aan te maken.
	nl.wikipedia.org /wiki/Emiliania_huxleyi (230 words)

	Emiliania huxleyi - Wikipedia, the free encyclopedia
		Emiliania huxleyi, often abbreviated to simply "EHUX", is a species of coccolithophore, single-celled phytoplankton that are covered with uniquely ornamented calcite disks (also known as liths or scales).
		Alkenones are used by earth scientists as a clue to past sea surface temperatures.
		Emiliania huxleyi virus 86 a giant marine virus that infects Emiliania huxleyi
	en.wikipedia.org /wiki/Emiliania_huxleyi (252 words)

	Coccolithophorid Blooms
		High concentrations or "blooms" of the coccolithophorid Emiliania huxleyi can significantly affect a region by acting as a source of organic sulfur (i.e.
		huxleyi blooms can be distinguished from most other conditions in visible satellite imagery by their milkly white to turquoise appearance.
		huxleyi were mapped in SeaWiFS ocean color data by classifying pixels of weekly (8-day) global composites into bloom and non-bloom classes using a supervised, multispectral classification scheme.
	cics.umd.edu /~chrisb/ehux.html (232 words)

	Characterization of Coccolithogenesis in the Marine alga Emiliania huxleyi
		Characterization of Coccolithogenesis in the Marine alga Emiliania huxleyi
		huxleyi has attracted the attention of scientists interested in the development of novel materials and biomedical devices using these porous shells of calcium carbonate.
		huxleyi genome is not known, and there is little information that describes the content and/or organizational structure of the genome.
	www.csusm.edu /Biology/Faculty/Wahlund/research/marine_algae.html (431 words)

	CSU Newsline - And the Nomination Goes To.... Emiliania huxleyi DOE Selects Cal State San Marcos Proposal for Genome ... (Site not responding. Last check: 2007-10-08)
		The nomination of Emiliania huxleyi for the DOE's Microbial Genome Program (a spin-off of the Human Genome Project) was made by Cal State San Marcos molecular biologists Betsy Read and Tom Wahlund.
		E. huxleyi is the most abundant of the coccolithophorids--phytoplankton distinguished by an intricate armor they construct of calcium carbonate.
		For many years, scientists have studied E. huxleyi on an ecological and physiological level, said Read, because the organism plays such an important role in environmental processes, including heat dissipation in the ocean, paleoclimatology, the cycling of carbon, and sulfur exchange between the ocean and atmosphere.
	www.calstate.edu /Newsline/Archive/02-03/021213-SM.shtml (734 words)

	Emiliania huxleyi Home Page
		With it's beautiful appearance and its planetary importance, Emiliania huxleyi is a source of interest for all those looking to understand how life and its environment interact.
		Phytoplankton: Emiliania huxleyi is one of 5000 or so different species of phytoplankton - freely drifting, photosynthesising microscopic organisms that live in the upper, sunlit layers of the ocean.
		Thomas Henry Huxley ("Darwin's bulldog") was one of the first to examine sea-bottom mud and to detect coccoliths within it, and the first to use the term "coccolith".
	www.soes.soton.ac.uk /staff/tt (952 words)

	Virus Succession Observed during an Emiliania huxleyi Bloom -- Schroeder et al. 69 (5): 2484 -- Applied and ...
		Microbial population dynamics and diversity during a bloom of the marine coccolithophorid Emiliania huxleyi (Haptophyta).
		Isolation and characterization of a virus that infects Emiliania huxleyi (Haptophyta).
		Isolation of viruses responsible for the demise of an Emiliania huxleyi bloom in the English Channel.
	aem.asm.org /cgi/content/full/69/5/2484 (3159 words)

	55_13 (Site not responding. Last check: 2007-10-08)
		Emiliania huxleyi (Lohmann) Hay et Mohler (класс Prymnesiophyceae) является одним из наиболее распространенных (от океанической поверхности до глубины 75 м) видов кокколитофорид [11], достигая во время цветения как в прибрежных, так и в открытых океанических водах [8, 12, 14], включая Черное море [1], концентраций от 5• 10
		huxleyi наблюдается обычно после весеннего цветения диатомовых [14, 21], а в условиях слабого вертикального перемешивания и накопления РОВ они могут почти полностью заменять диатомовых, доминирующих обычно в районе термоклина [6].
		Feeding and reproduction by Calanus finmarhicus, and microzooplankton grazing during mesocosm blooms of diatoms and coccolythophore Emiliania huxleyi // Mar.Ecol.Prog.Ser.
	www.ibss.iuf.net /marecol/55/13.htm (2045 words)

	NOAA OGP Programs (Site not responding. Last check: 2007-10-08)
		The overarching goal of this effort is to test two hypotheses; 1) Emiliani huxleyi blooms play an important role in the ocean carbon cycle through calcification, export fluxes and feedbacks to their environment, and therefore directly impact the global distribution of ocean carbon sources and sinks; and 2) E.
		huxleyi blooms occur in mid- and high latitude regions that are sensitive to climate variability and they can be used as a sensitive indicator species that integrates environmental changes into identifiable surface signals.
		The specific objectives of this study are to: 1) document interannual and longer time-scale variability of the extent of Emiliania huxleyi blooms using satellite observations; 2) analyze the satellite-derived bloom variability with ocean and atmosphere reanalyses and other observations to quantify relationships between the observed climate variability and E.
	www.ogp.noaa.gov /mpe/gcc/2005/brown.html (455 words)

	Dr. Betsy Read's Home Page
		huxleyi) is a unicelllular alga that is distinguished by its exquisitely sculptured calcium carbonate cell coverings known as coccoliths.
		huxleyi is found throughout the world’s oceans and forms extensive blooms sometimes greater than 100,000 square kilometers with cell densities up to 10,000 cells ml
		huxleyi has also been targeted by material scientists who are interested in the biomineralized skeletons for applications relating to biomedical products, lightweight ceramics, catalyst supports, and robust membranes for high temperature separation technologies (x).
	www.csusm.edu /bread (191 words)

	SMHI - Oceanografi - Algövervakning i Skagerrak och Kattegatt
		This is caused by a harmless coccolithophoride called Emiliania huxleyi.
		A cell of Emiliania huxleyi (to the left) and to the right is two shell plates of so called coccolithes.
		The first observations of the bloom in the open Skagerrak was seen around the 20 of May. The bloom spread along the Danish coast, to Skagen, and onward to the Swedish west coast.
	www.smhi.se /weather/baws_ext/info/2004/Skag_katt_algae_2004_en.htm (308 words)

	Portal to Protistology: Coccolithophores
		Nonetheless spectacular blooms of one species, Emiliania huxleyi do often occur and have attracted much interest since they are readily detected by satellite imagery as a result of the high reflectivity of the bloom waters.
		huxleyi is the single most common coccolithophore, in blooms it can reach abundances of several million cells per litre and E.
		huxleyi is virtually ubiquitous in surface waters, it occurs at temperatures from near freezing to over 30°C and so from equatorial to arctic latitudes, in lowered and raised salinity conditions (ca 20-40ppt), and in both eutrophic and oligotrophic conditions and throughout the photic zone (ca 0-100m).
	www.uga.edu /~protozoa/portal/coccolithophores.html (1145 words)

	Ocean Life Institute - Funded Project Summaries (Site not responding. Last check: 2007-10-08)
		huxleyi blooms and the activities of the organisms within the population mediate exchange between atmospheric and oceanic CO 2.
		Thus the distribution and activities of this species may have a significant impact on climate, and on the ocean's ability to buffer changing CO 2 concentrations in the atmosphere.
		huxleyi will identify target gene transcripts that may be indicative of N and P limitation, and will result in a new tool for the study of ocean biology.
	www.whoi.edu /institutes/oli/research/funded_2003.htm (1957 words)

	Ocean Life Institute - Funded Project Summaries - 2003 - Dyhrman Progress Report (Site not responding. Last check: 2007-10-08)
		Emiliania huxleyi, an abundant and widespread marine coccolithophore can form large blooms in both coastal and open ocean regions.
		huxleyi plays a role in regulating the global carbon (C) cycle and ocean-atmospheric CO2 exchange that could have a significant impact on climate.
		Specifically, we are interested in cellular nitrogen (N) and phosphorus (P) scavenging mechanisms as well as the response of cells to increased atmospheric CO2.
	www.whoi.edu /institutes/oli/research/funded2003_dyhrman_progress.htm (294 words)

	Inter Research » MEPS » v246 » p61-71
		Effects of ultraviolet and visible radiation on the cellular concentrations of dimethylsulfoniopropionate (DMSP) in Emiliania huxleyi (strain L)
		ABSTRACT: Emiliania huxleyi is an important component of the global carbon and sulfur cycles and is known to be sensitive to ultraviolet (UV) radiation.
		We investigated the influence of radiation intensity and of short-term exposure to UV radiation on the per-cell amount and intracellular concentration of dimethylsulfoniopropionate (DMSP).
	www.int-res.com /abstracts/meps/v246/p61-71 (366 words)

	e-Prints Soton - Nitrate: phosphate ratios and Emiliania huxleyi blooms
		This hypothesis is based on physiological studies showing that E. huxleyi has an exceptionally high affinity for orthophosphate and is able to use organic phosphate.
		Recent E. huxleyi blooms on the southeastern Bering Sea shelf, however, occurred under low NO3: PO4 conditions, which is indicative of nitrogen rather than phosphorus stress.
		These observations suggest that E. huxleyi is able to exploit situations where either phosphorus or nitrogen is limiting to competing species.
	eprints.soton.ac.uk /17747 (461 words)

	CO2 Science (Site not responding. Last check: 2007-10-08)
		huxleyi, in response to elevated atmospheric CO, could increase carbon storage in the nitrogen-limited regions of the oceans and thus act as a negative feedback on rising atmospheric CO levels." In fact, they calculate that if the results they obtained for E.
		huxleyi are indicative of the effects of CO on primary production in other N-limited phytoplankton, then changes of the magnitude they measured in E.
		huxleyi due to increased CO could increase export production of the oligotrophic ocean by an amount equivalent to the estimated postindustrial increase in the terrestrial carbon sink.
	www.co2science.org /scripts/CO2ScienceB2C/articles/V9/N21/B3.jsp (215 words)

	Virology Journal \| Full text \| Genome comparison of two Coccolithoviruses
		The Coccolithoviridae is a recently discovered family of viruses that infect the marine coccolithophorid Emiliania huxleyi.
		We recently determined the whole genome sequence of the Coccolithoviridae strain EhV-86, a giant dsDNA algal virus from the family Phycodnaviridae that infects the marine coccolithophorid Emiliania huxleyi [1].
		Allen MJ, Schroeder DC, Wilson WH: Preliminary characterisation of repeat families in the genome of EhV-86, a giant algal virus that infects the marine microalga Emiliania huxleyi.
	www.virologyj.com /content/3/1/15 (2573 words)

	Dr M. Debora Iglesias-Rodriguez [SoBS - UoB]
		My aim is to elucidate whether different morphological and physiological types of the marine coccolithophorid Emiliania huxleyi correspond to distinct genetic varieties using microsatellites.
		huxleyi; one is associated with the Northern Hemisphere blooms, while the other is found in the Southern Hemisphere.
		While these conditions favor both Northern and Southern Hemisphere blooms of the most abundant coccolithophorid in the modern oceans, Emiliania huxleyi, the northern and southern hemisphere populations of this organism are genetically distinct.
	www.bio.bris.ac.uk /research/microbe/debora.htm (361 words)

	Characterization of ectoenzyme activity and phosphate-regulated proteins in the coccolithophorid Emiliania huxleyi -- ... (Site not responding. Last check: 2007-10-08)
		Characterization of ectoenzyme activity and phosphate-regulated proteins in the coccolithophorid Emiliania huxleyi -- Dyhrman and Palenik 25 (10): 1215 -- Journal of Plankton Research
		Characterization of ectoenzyme activity and phosphate-regulated proteins in the coccolithophorid Emiliania huxleyi
		huxleyi were detected by the biotinylation of cell-surface proteins.
	plankt.oxfordjournals.org /cgi/content/abstract/25/10/1215 (306 words)

	E. huxleyi GMOD
		The abundant and widespread coccolithophore Emiliania huxleyi plays an important role in mediating CO exchange between the ocean and the atmosphere through its impact on marine photosynthesis and calcification.
		Long-SAGE is an elegant approach for examining quantitative, and comprehensive, gene expression patterns without a priori knowledge of gene sequences via the detection of 21 bp nucleotide sequence tags.
		huxleyi appears to have a robust, transcriptional level response to macronutrient deficiency with 42 tags uniquely present or up-regulated 2 fold or greater in the N starved library and 128 tags uniquely present or up-regulated 2 fold or greater in the P starved library.
	gmod.mbl.edu /emiliania_huxleyi (334 words)

	BG - Abstract BG
		Two haptophyte algae, Emiliania huxleyi and Gephyrocapsa oceanica, were cultured at different temperatures and salinities to investigate the impact of these factors on the hydrogen isotopic composition of long chain alkenones synthesized by these algae.
		huxleyi when grown under similar temperature and salinity conditions.
		huxleyi and from 0.741 to 0.788 for G.
	www.copernicus.org /EGU/bg/bg/3/113 (195 words)

	Long Serial Analysis of Gene Expression for Gene Discovery and Transcriptome Profiling in the Widespread Marine ...
		huxleyi blooms and the ratio of photosynthesis to calcification
		Emiliania huxleyi CCMP 1516 was obtained from the Provasoli-Guillard
		A biogeochemical study of the coccolithophore, Emiliania huxleyi, in the North Atlantic.
	aem.asm.org /cgi/content/full/72/1/252 (4706 words)

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