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In Situ Study of the Function of Bacterioruberin in the Dual‐Chromophore Photoreceptor Archaerhodopsin‐4 [PDF]
Angewandte Chemie - International Edition, 2018 AbstractWhile certain archaeal ion pumps have been shown to contain two chromophores, retinal and the carotenoid bacterioruberin, the functions of bacterioruberin have not been well explored. To address this research gap, recombinant archaerhodopsin‐4 (aR4), either with retinal only or with both retinal and bacterioruberin chromophores, was ...
Anthony Watts, Xin Zhao
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Bacterioruberin is widely used in medicine, food, and cosmetics owing to its prominent characteristics of antioxidants and bioactivities. Bioconversion of methane into bacterioruberin is a promising way to address biomanufacturing substrate costs and greenhouse gas emissions but has not been achieved yet.
Shuqi Guo, Chenyue Zhang
exaly +3 more sources
Bacterioruberin is widely used in medicine, food, and cosmetics owing to its prominent characteristics of antioxidants and bioactivities. Bioconversion of methane into bacterioruberin is a promising way to address biomanufacturing substrate costs and greenhouse gas emissions but has not been achieved yet.
Shuqi Guo, Chenyue Zhang
exaly +3 more sources
Bacterioruberins Reinforce Reconstituted Halobacterium Lipid Membranes
1991We have developed methodologies for the determination of the topology of α,ω-dihydroxylated carotenoids incorporated into vesicles and for the evaluation of the reinforcing effects of these carotenoids on lipid bilayers.
Y. Nakatani +4 more
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Structural Role of Bacterioruberin in the Trimeric Structure of Archaerhodopsin-2
Journal of Molecular Biology, 2008Archaerhodopsin-2 (aR2), a retinal protein-carotenoid complex found in the claret membrane of Halorubrum sp. aus-2, functions as a light-driven proton pump. In this study, the membrane fusion method was utilized to prepare trigonal P321 crystals (a=b=98.2 A, c=56.2 A) and hexagonal P6(3) crystals (a=b=108.8 A, c=220.7 A).
Keiko, Yoshimura, Tsutomu, Kouyama
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The Journal of Physical Chemistry B, 2017
Ultrafast photochemistry of pharaonis halorhodopsin (p-HR) in the intact membrane of Natronomonas pharaonis has been studied by photoselective femtosecond pump-hyperspectral probe spectroscopy with high time resolution. Two variants of this sample were studied, one with wild-type retinal prosthetic groups and another after shifting the retinal ...
Itay Gdor +4 more
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Ultrafast photochemistry of pharaonis halorhodopsin (p-HR) in the intact membrane of Natronomonas pharaonis has been studied by photoselective femtosecond pump-hyperspectral probe spectroscopy with high time resolution. Two variants of this sample were studied, one with wild-type retinal prosthetic groups and another after shifting the retinal ...
Itay Gdor +4 more
openaire +2 more sources
Spectrochimica Acta Part A: Molecular and Biomolecular Spectroscopy, 2013
Laboratory cultures of a number of red extremely halophilic Archaea (Halobacterium salinarum strains NRC-1 and R1, Halorubrum sodomense, Haloarcula valismortis) and of Salinibacter ruber, a red extremely halophilic member of the Bacteria, have been investigated by Raman spectroscopy using 514.5nm excitation to characterize their carotenoids.
J, Jehlička, H G M, Edwards, A, Oren
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Laboratory cultures of a number of red extremely halophilic Archaea (Halobacterium salinarum strains NRC-1 and R1, Halorubrum sodomense, Haloarcula valismortis) and of Salinibacter ruber, a red extremely halophilic member of the Bacteria, have been investigated by Raman spectroscopy using 514.5nm excitation to characterize their carotenoids.
J, Jehlička, H G M, Edwards, A, Oren
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Biochemistry, 2012
Halorhodopsin is a retinal protein with a seven-transmembrane helix and acts as an inward light-driven Cl(-) pump. In this study, structural state of the solubilized halorhodopsin (NpHR) from the biomembrane of mutant strain KM-1 of Natronomonas pharaonis in nonionic detergent was investigated.
Takanori, Sasaki +3 more
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Halorhodopsin is a retinal protein with a seven-transmembrane helix and acts as an inward light-driven Cl(-) pump. In this study, structural state of the solubilized halorhodopsin (NpHR) from the biomembrane of mutant strain KM-1 of Natronomonas pharaonis in nonionic detergent was investigated.
Takanori, Sasaki +3 more
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Journal of Food Science
Abstract The present study used haloarchaeal bacterioruberin (BR), a carotenoid pigment, to improve color and reduce fat oxidation. The BR is incorporated as 10 mg/kg (T1), 25 mg/kg (T2), and 50 mg/kg (T3) in the emulsion sausages, and 200 mg/kg butylated hydroxytoluene was used as a ...
Ramakrishna, Reddy +5 more
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Abstract The present study used haloarchaeal bacterioruberin (BR), a carotenoid pigment, to improve color and reduce fat oxidation. The BR is incorporated as 10 mg/kg (T1), 25 mg/kg (T2), and 50 mg/kg (T3) in the emulsion sausages, and 200 mg/kg butylated hydroxytoluene was used as a ...
Ramakrishna, Reddy +5 more
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Applied Optics, 2014
Halophilic archaea are interesting microorganisms that produce low biomass and metabolites, complicating their quantification. Raman spectroscopy (RS) is a powerful technique, which requires small samples, attractive for using in archaeal research.
David Isidoro, Camacho-Córdova +3 more
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Halophilic archaea are interesting microorganisms that produce low biomass and metabolites, complicating their quantification. Raman spectroscopy (RS) is a powerful technique, which requires small samples, attractive for using in archaeal research.
David Isidoro, Camacho-Córdova +3 more
openaire +2 more sources
ChemInform, 1993
AbstractChemInform is a weekly Abstracting Service, delivering concise information at a glance that was extracted from about 100 leading journals. To access a ChemInform Abstract of an article which was published elsewhere, please select a “Full Text” option. The original article is trackable via the “References” option.
M. ROENNEKLEIV, S. LIAAEN‐JENSEN
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AbstractChemInform is a weekly Abstracting Service, delivering concise information at a glance that was extracted from about 100 leading journals. To access a ChemInform Abstract of an article which was published elsewhere, please select a “Full Text” option. The original article is trackable via the “References” option.
M. ROENNEKLEIV, S. LIAAEN‐JENSEN
openaire +1 more source