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Topic: Chloroflexus aurantiacus

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	Chloroflexus - MicrobeWiki
		Chloroflexus aurantiacus is an aerobic facultative bacterium that can photosynthesize in anaerobic situations with processes that are a mix of both purple bacteria and green sulfur bacteria photosynthesis.
		Chloroflexus is a anoxygenic, filamentous, gliding bacterium found in the green non-sulfur branch in the 16s rRNA tree of life (however, not all Chloroflexus are green and unable to use sulfide).
		Chloroflexus aurantiacus, which is a facultative aerobic species of Chloroflexus, can do anoxygenic photosynthesis that has characteristics of both green sulfur bacteria and purple bacteria (both of which are not closely related to Chloroflexus) as well as cellular respiration in aerobic environments.
	microbewiki.kenyon.edu /index.php/Chloroflexus (645 words)

	Chloroflexus aurantiacus -- Facts, Info, and Encyclopedia article (Site not responding. Last check: 2007-10-13)
		One of the main reasons for interest in Chloroflexus aurantiacus is in the study of the evolution of photosynthesis.
		Chloroflexus aurantiacus has been of interest in the search for origins of the so-called (Click link for more info and facts about type II) type II (Click link for more info and facts about photosynthetic reaction center) photosynthetic reaction center.
		Thus, rare organisms like Chloroflexus aurantiacus that can survive using either respiration or photosynthesis are of interest in on-going attempts to trace the ((biology) the sequence of events involved in the evolutionary development of a species or taxonomic group of organisms) evolution of photosynthesis.
	www.absoluteastronomy.com /encyclopedia/c/ch/chloroflexus_aurantiacus.htm (385 words)

	JGI Chloroflexus aurantiacus J-10-fl Home
		Chloroflexus aurantiacus is important in studies addressing these topics.
		Chloroflexus is found at higher temperatures than any other anoxygenic phototroph.
		Chloroflexus grows primarily as a photoheterotroph and appears to consume the organic products of the autotrophic cyanobacteria in its native habitat.
	genome.jgi-psf.org /draft_microbes/chlau/chlau.home.html (598 words)

	Malonyl-Coenzyme A Reductase from Chloroflexus aurantiacus, a Key Enzyme of the 3-Hydroxypropionate Cycle for ...
		Malonyl-Coenzyme A Reductase from Chloroflexus aurantiacus, a Key Enzyme of the 3-Hydroxypropionate Cycle for Autotrophic CO2 Fixation -- Hügler et al.
		C-NMR study of autotrophic CO fixation pathways in the sulfur-reducing archaebacterium Thermoproteus neutrophilus and in the phototrophic eubacterium Chloroflexus aurantiacus.
		Enzymes of a novel autotrophic CO fixation pathway in the phototrophic bacterium Chloroflexus aurantiacus, the 3-hydroxypropionate cycle.
	jb.asm.org /cgi/content/full/184/9/2404 (3828 words)

	Purification and characterization of a thermostable neutral metalloprotease I from Chloroflexus aurantiacus J-10-fl.
		Purification and characterization of a thermostable neutral metalloprotease I from Chloroflexus aurantiacus J-10-fl.
		Chloroflexus aurantiacus J-10-fl was found to contain two types (protease I and protease II) of thermostable proteases which were separated by Butyl-Toyopearl 650 M chromatography.
		Protease I was purified to electrophoretic homogeneity from the culture broth of C. aurantiacus J-10-fl.
	www.medscape.com /medline/abstract/7764368 (304 words)

	MEDLINE Search on Medscape.com
		as the autotrophic CO2 fixation pathway in the phototrophic bacterium Chloroflexus aurantiacus.
		Isolation and characterization of the B798 light-harvesting baseplate from the chlorosomes of Chloroflexus aurantiacus.
		Malonyl-coenzyme A reductase from Chloroflexus aurantiacus, a key enzyme of the 3-hydroxypropionate cycle for autotrophic CO(2) fixation.
	search.medscape.com /medline-search?queryText=Chloroflexus (395 words)

	Exciton dynamics in the chlorosomal antennae of the green bacteria Chloroflexus aurantiacus and Chlorobium tepidum ...
		In chlorosomes from both the green gliding bacterium Chloroflexus aurantiacus and the green sulfur bacterium Chlorobium tepidum, the main pigment (-99%) is BChI c.
		aurantiacus at room temperature, energy transfer lifetimes of 50-100 fs, 1-2 ps, and 7-10 ps were found (Savikhin et al., 1994).
		aurantiacus chlorosomes at 19 K, the rise time of --300 fs in the 731-750 nm absorption difference time profiles was assigned to an energy transfer among different spectral forms of BChI c (Savikhin et al., 1996a).
	www.findarticles.com /p/articles/mi_qa3938/is_200010/ai_n8910031/pg_25 (958 words)

	L-Malyl-Coenzyme A Lyase/{beta}-Methylmalyl-Coenzyme A Lyase from Chloroflexus aurantiacus, a Bifunctional Enzyme ...
		L-Malyl-Coenzyme A Lyase/{beta}-Methylmalyl-Coenzyme A Lyase from Chloroflexus aurantiacus, a Bifunctional Enzyme Involved in Autotrophic CO2 Fixation -- Herter et al.
		The 3-hydroxypropionate cycle is a bicyclic autotrophic CO fixation pathway in the phototrophic Chloroflexus aurantiacus
		Propionyl-coenzyme A synthase from Chloroflexus aurantiacus, a key enzyme of the 3-hydroxypropionate cycle for autotrophic CO fixation.
	jb.asm.org /cgi/content/full/184/21/5999 (4178 words)

	The paper
		aurantiacus appears to fix CO2 by a scheme that does not involve the Calvin cycle or the reverse Krebs cycle (Ivanovsky et al., 1993).
		Feick, R., J.A. Shiozawa and A. Ertlmaier (1995) Biochemical and spectroscopic properties of the reaction center of the green filamentous bacterium Chloroflexus aurantiacus.
		Ivanovsky, R.N., E.N. Krasilnikova and Y.I. Fal (1993) A pathway of the autotrophic CO2 fixation in Chlroflexus aurantiacus.
	www.life.uiuc.edu /govindjee/paper/gov.html (12489 words)

	CABRI: HyperCatalogue: Bacteria: DSMZ_BACT: Chloroflexus aurantiacus
		Bacteria DSMZ_BACT Chloroflexus aurantiacus
		Chloroflexus aurantiacus, Pierson and Castenholz 1974 AL Bacteria
		This work cannot be reproduced in whole or in part without the express written permission of the CABRI consortium.
	www.cabri.org /HyperCat/bact/dsb58577.htm (59 words)

	UBEP 2002 Ninth Annual Undergraduate Research Poster Symposium (Site not responding. Last check: 2007-10-13)
		Chloroflexus aurantiacus is a bacteria naturally found in 70 C hot springs in Yellowstone and Japan.
		Research has shown that Chloroflexus aurantiacus is a thermophilic and photosynthetic bacteria that contains chlorosomes.
		For optimal growth of Chloroflexus aurantiacus in a laboratory setting, the bacteria needs to be kept in a one liter bottle of 'D' media, and a temperature of 50 C should be maintained.
	lifesciences.asu.edu /ubep2002/participants/mcclary (270 words)

	RLMO - Hillside II Springs Web Databasing Project
		While Chloroflexus tends to grow better with some oxygen, Roseiflexus and RLMO derivatives do better in an anaerobic chamber.
		Chloroflexus aurantiacus was first grown by Bev Pierson and Dick Castenholz in the late 1970s.
		Like Roseiflexus and Yellowstone RLMO bacteria, Chloroflexus is a true green GNS organism and grows in moderately thermal alkaline mats.
	www.wou.edu /~boomers/research/methods/OLDNOTDONE/culture/culture.html (526 words)

	Chloroflexus aurantiacus biography .ms (Site not responding. Last check: 2007-10-13)
		PubMed Article: "Temperature dependence of growth and membrane-bound activities of Chloroflexus aurantiacus energy metabolism"
		PubMed Article: "Isolation and development of chlorosomes in the green bacterium Chloroflexus aurantiacus"
		NCBI PubMed Abstract: A cytochrome b origin of photosynthetic reaction centers: an evolutionary link between respiration and photosynthesis
	chloroflexus.biography.ms (363 words)

	Biology :: Beverly Pierson
		Isolation and spectral characterization of photochemical reaction centers from the thermophilic green bacterium Chloroflexus aurantiacus strain J-10-fl.
		Isolation of pigmentation mutants of the green filamentous photosynthetic bacterium Chloroflexus aurantiacus.
		Chloroflexus aurantiacus and ultraviolet radiation: Implications for Archean shallow-water stromatolites.
	www.ups.edu /x15430.xml (2286 words)

	The moderate thermophilic, green gliding bacterium Chloroflexus aurantiacus contains two alleles for chaperonins (Site not responding. Last check: 2007-10-13)
		The moderate thermophilic, green gliding bacterium Chloroflexus aurantiacus contains two alleles for chaperonins
		Their function in the cell is to facilitate the folding of numerous polypeptides and to prevent protein aggregation under stress such as heat shock.
		Chloroflexus aurantiacus has an optimum temperature for growth of 55°C, but is capable of growth at temperatures up to 70°C. When cell free extracts of this organism grown at 45°C, 55°C, 60°C and 65°C were analyzed by SDS-PAGE, three distinct protein bands which increased in intensity with growth temperature were detected.
	www.nfmikro.net /Vintermotet/Reidun_Sirevaag.htm (416 words)

	CSIRO PUBLISHING - Science Access
		The tetra-heme cytochrome subunit of an apparent molecular mass of 35 kDa was bound to the isolated complex, although such a complex has not been isolated in Chloroflexus aurantiacus since its cytochrome subunit (43 kDa) would be easily lost during the RC isolation.
		Three BChl a and three Bphe a were suggested to be bound to a complex as in C. aurantiacus, based on spectral analysis of the complex and the deduced amino acid sequence from the genes for the L and M subunits.
		In the region downstream of the cytochrome gene, bchG was found as in C. aurantiacus.
	www.publish.csiro.au /?paper=SA0403253 (283 words)

	Auracyanin A from the thermophilic green gliding photosynthetic bacterium Chloroflexus aurantiacus represents an ...
		Auracyanin A from the thermophilic green gliding photosynthetic bacterium Chloroflexus aurantiacus represents an unusual class of small blue copper proteins -- Van Driessche et al.
		Auracyanin A from the thermophilic green gliding photosynthetic bacterium Chloroflexus aurantiacus represents an unusual class of small blue copper proteins
		aurantiacus has been determined to be a polypeptide of 139 residues.
	www.proteinscience.org /cgi/content/abstract/8/5/947 (375 words)

	Journal of Microbiological Methods. (Site not responding. Last check: 2007-10-13)
		K.A. Malik, A convenient method for maintaining Chloroflexus for long time periods as slow growing liquid cultures, Journal of Microbiological Methods 27 (2-3) (1996) pp.
		K.A. Malik, A modified medium and method for the cultivation of Chloroflexus, Journal of Microbiological Methods 27 (2-3) (1996) pp.
		Michael Hust, Wolfgang E. Krumbein, Erhard Rhiel, An immunochemical in situ approach to detect adaptation processes in the photosynthetic apparatus of diatoms of the Wadden Sea sediment surface layers, Journal of Microbiological Methods 38 (1-2) (1999) pp.
	www1.elsevier.com /cdweb/journals/01677012/viewer.htt?viewtype=keywords&rangeselected=28 (655 words)

	Structure and Protein Binding Interactions of the Primary Donor of the Chloroflexus aurantiacus Reaction Center
		FT Raman spectroscopy, using 1064 nm excitation, was used to selectively obtain preresonance and resonance vibrational Raman spectra of the primary donor (P) of reaction centers (RCs) from Chloroflexus aurantiacus in the P
		constituent of P, which is hydrogen bonded to tyrosine M187 in the Chloroflexus RC, and propose a pigment-protein structural model for the primary donor of Chloroflexus aurantiacus.
		The consequences of the proposed structure of the Chloroflexus primary donor in terms of its P
	pubs.acs.org /cgi-bin/abstract.cgi/bichaw/1996/35/i19/abs/bi952772r.html (418 words)

	Propionyl-Coenzyme A Synthase from Chloroflexus aurantiacus, a Key Enzyme of the 3-Hydroxypropionate Cycle for ...
		Propionyl-Coenzyme A Synthase from Chloroflexus aurantiacus, a Key Enzyme of the 3-Hydroxypropionate Cycle for Autotrophic CO2 Fixation -- Alber and Fuchs 277 (14): 12137 -- Journal of Biological Chemistry
		aurantiacus was isolated using a standard technique (18).
		aurantiacus after incubation at 37 °C for 30 min in the absence (left lane) or presence of 0.35 µg trypsin (right lane).
	www.jbc.org /cgi/content/full/277/14/12137 (4314 words)

	Exciton Delocalization in the B808-866 Antenna of the Green Bacterium Chloroflexus aurantiacus as Revealed by Ultrafast ...
		Exciton Delocalization in the B808-866 Antenna of the Green Bacterium Chloroflexus aurantiacus as Revealed by Ultrafast Pump-Probe Spectroscopy -- Novoderezhkin and Fetisova 77 (1): 424 -- Biophysical Journal
		from the cytoplasmic membrane of the green bacterium Chloroflexus aurantiacus.
		The complete amino acid sequence of a bacteriochlorophyll a binding polypeptide isolated from the cytoplasmic membrane of the green photosynthetic bacterium Chloroflexus aurantiacus.
	www.biophysj.org /cgi/content/full/77/1/424 (3222 words)

	Nanoengineered biophotonic hybrid device invention (Site not responding. Last check: 2007-10-13)
		The bacteria, Chloroflexus aurantiacus (C. aurantiacus), strain J-10-f1, has the A.T.C.C. designation number 29366, having been deposited in July, 1976.
		On the biological side, thermophilic photosynthetic bacteria such as Chloroflexus aurantiacus (C. aurantiacus) and other species have been studied and reported upon.
		In the case of the chlorosome associated with the C. aurantiacus, an input photonic energy at a wavelength of.about.460-480 nm is typically shifted to.about.800-820 nm with very little energy loss.
	www.freshpatents.com /Nanoengineered-biophotonic-hybrid-device-dt20060112ptan20060008893.php (2062 words)

	Blankenship Lab
		Studies on the Structure and function of Antennas and Reaction center of green gliding photosynthetic bacteria by using the combination of biochemical, biophysical and crystallographic methods.
		Xin YY, Lin S, Monta GA, Blankenship RE (2005) Purification and characterization of the B808-866 light-harvesting complexes from green non-sulfur bacterium Chloroflexus aurantiacus.
		Xin YY, Lin S, Blankenship RE (2005) Femtosecond spectroscopy of excitation energy transfer and initial charge separation in the reaction center of the photosynthetic bacterium Chloroflexus aurantiacus.
	biology4.wustl.edu /faculty/blankenship/xin.html (157 words)

	Arsenite Oxidase, an Ancient Bioenergetic Enzyme -- Lebrun et al. 20 (5): 686 -- Molecular Biology and Evolution
		Arsenite oxidase/Mo-subunit: Sulfolobus tokodaii NP_378391, A. pernix NP_148692, Chloroflexus aurantiacus ORF 1493, Alcaligenes faecalis gi12084495, Cenibacterium arsenoxidans strain ULPAs1 GI:22758844.
		Electron-transport chains of phototrophically and chemotrophically grown Chloroflexus aurantiacus.
		A thermodynamic analysis of the plasma membrane electron transport components in photoheterotrophically grown cells of Chloroflexus aurantiacus: an optical and electron paramagnetic resonance study.
	mbe.oxfordjournals.org /cgi/content/full/20/5/686 (3598 words)

	Chloroflexus
		¤ Chloroflexus aurantiacus Pierson and Castenholz 1974 (Approved Lists 1980).
		[PIERSON (B.K.) and CASTENHOLZ (R.W.): A phototrophic gliding filamentous bacterium of hot springs, Chloroflexus aurantiacus, gen. and sp.
		The information on this page may not be reproduced, republished or mirrored on another webpage or website.
	www.bacterio.cict.fr /c/chloroflexus.html (225 words)

	Notes on Gruber et al. 1998 (by Jonathan A. Eisen) (Site not responding. Last check: 2007-10-13)
		The phylogenetic relationships of Chlorobium tepidum and Chloroflexus aurantiacus based upon their RecA sequences
		Abstract: Using RecA as the phylogenetic marker, the relationships of the green sulfur bacterium Chlorobium tepidum and the green gliding bacterium Chloroflexus aurantiacus to other eubacteria were investigated.
		aurantiacus was placed near Chlamydia trachomatis and the high-GC gram-positives; however, this placement was not strongly supported statistically.
	www.tigr.org /~jeisen/RecA/RecA.Gruber1998.html (122 words)

	Compound-Specific Isotopic Fractionation Patterns Suggest Different Carbon Metabolisms among Chloroflexus-Like Bacteria ...
		Stable carbon isotopic compositions of bicarbonate, CO (calculated from bicarbonate), bulk biomass, Chloroflexus and cyanobacterial biomarkers, nondiagnostic lipids, and glucose in mat samples expressed in per mille relative to the PeeDee Belemnite standard
		Chloroflexus derived all of its carbon from cyanobacterial sugar
		Quantitative and structural characteristics of lipids in Chlorobium and Chloroflexus.
	aem.asm.org /cgi/content/full/69/10/6000 (2763 words)

	ESA Human Spaceflight \| Users » Extreme Habitats
		It was found that 1 mm-thick silica gels containing only 0,1% FeCl3 could attenuate UVC by 37:1 whilst still transmitting 85% of visible light (PAR).
		Using the primitive green photosynthetic bacterium Chloroflexus aurantiacus as a tool, and natural materials as filters, showed that quartz sand, basaltic sand and calcium carbonate all attenuated UVC much more than PAR.
		Chloroflexus aurantiacus forms anoxic stromatolitic mats which grow well under doses of UVC that severely depress growth of unprotected cells of Escherichia coli.
	www.spaceflight.esa.int /users/index.cfm?act=default.page&page=eanaooleh (1188 words)

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