Bacterial carotenoids 55. C50-carotenoids 25: revised structures of carotenoids associated with membranes in psychrotrophic Micrococcus roseus [PDF]
The carotenoid composition of a psychrotrophic bacterium Micrococcus roseus strain MTCC 678 has been re-examined qualitatively and quantitatively by chromatographic (TLC, HPLC) and spectroscopic (VIS, MS, 1H NMR and CD) methods, partly in direct ...
Shivaji, Sisinthy +2 more
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Effect of hydrogen index and sodium chloride concentration on bacterioruberin biosynthesis
This study investigated the effect of sodium chloride (NaCl) concentration and medium pH on the ability of Arthrobacter agilis wb28 to synthesize bacterioruberin. This compound is a carotenoid in nature and plays a functional role in protecting the cell against environmental stress, including oxidative and osmotic stress; therefore, it has attracted ...
Ekaterina Yu. Ivanova +3 more
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SUMMARY: Halobacterium cutirubrum was cultured in a complex medium designed for extreme halophiles containing 4 M-NaCl in the absence or presence of bacitracin (7, 14 or 28 μM) with shaking at 37°C for 24 h. Bacitracin at 7 or 14 μM inhibited growth (50% and 100%, respectively), phospholipid synthesis (88% and 96%, respectively) and bacterioruberin ...
N. Moldoveanu, M. Kates
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Schematic diagram of the topology of cR3 showing helices as rectangles. [PDF]
Residues contacting bacterioruberin and residues participating in intra-trimer protein–protein interactions are framed with green and blue circles, respectively.
Toshiaki Gotoh (636794) +6 more
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Spectroscopic Characterization of Halorhodopsin Reconstituted into Nanodisks Using Native Lipids [PDF]
We successfully reconstituted single Natronomonas pharaonis halorhodopsin (NpHR) trimers into a nanodisk (ND) using the native archaeal lipid (NL) and an artificial lipid having a zwitterionic headgroup, 1-palmitoyl-2-oleoyl-sn-glycero-3-phosphocholine ...
Kobashigawa, Yoshihiro +9 more
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The article presents the results of studies aimed at developing a cost-effective technology for producing microbial carotenoids using secondary raw materials from the agro-industrial sector.
N. Yu. Sharova +3 more
doaj +1 more source
Bacterioruberin extracts from a genetically modified hyperpigmented Haloferax volcanii strain: antioxidant activity and bioactive properties on sperm cells [PDF]
To examine the antioxidant activity of Bacterioruberin (Bctr)-rich extracts isolated from a hyperpigmented-genetically modified Haloferaxvolcanii strain (HVLON3) and to investigate the effect on cold-sensitive ram sperm cells.Methods and Results: The ...
Zalazar, Lucia +9 more
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Bacterial Carotenoids. XXVI. C50-Carotenoids. 2. Bacterioruberin. [PDF]
M. Kelly +4 more
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Engineering Haloferax mediterranei as an Efficient Platform for High Level Production of Lycopene
Lycopene attracts increasing interests in the pharmaceutical, food, and cosmetic industries due to its anti-oxidative and anti-cancer properties. Compared with other lycopene production methods, such as chemical synthesis or direct extraction from plants,
Zhen-Qiang Zuo +9 more
doaj +1 more source
Microbial diversity and microbial abundance in salt-saturated brines: Why are the waters of hypersaline lakes red? [PDF]
Salt-saturated lakes such as the North Arm of Great Salt Lake and saltern crystallizer ponds contain 10-10 and more red microorganisms ml-1. Even the Dead Sea occasionally turns red due to microbial blooms.
Oren, Aharon
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