Molecular Cloning and Expression of Fatty Acid α-Hydroxylase from Sphingomonas paucimobilis
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Posttraumatic Sphingomonas paucimobilis Endophthalmitis
A rare case of Sphingomonas paucimobilis endophthalmitis secondary to a penetrating globe injury with a retained intraocular foreign body is presented. A 30-year-old man presented with severe pain following a penetrating left eye injury. Visual acuity (VA) was 6/120. Slit-lamp examination revealed perforation of the temporal cornea and iris, hypopyon, and a fibrinous membrane covering the pupil...
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Sphingomonas paucimobilis SYK-6 degrades ferulic acid to vanillin, and it is further metabolized through the protocatechuate 4,5-cleavage pathway. We obtained a Tn5 mutant of SYK-6, FA2, which was able to grow on vanillic acid but not on ferulic acid. A cosmid which complemented the growth deficiency of FA2 on ferulic acid was isolated. The 5.2-kb BamHI-EcoRI fragment in this cosmid conferred t...
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Fatty acid hydroperoxide lyase (HPOL), an enzyme of the octadecanoid pathway that forms carbon-6 aldehydes such as n-hexanal or (Z)-3-hexenal, was cloned from Arabidopsis thaliana as a full-length cDNA. The HPOL activity obtained by expressing the cDNA in Escherichia coli formed n-hexanal from linoleic acid 13-hydroperoxide, whereas linoleic acid 9-hydroperoxide was not a substrate for the enzy...
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Serine palmitoyltransferase (SPT, EC ) is a key enzyme in sphingolipid biosynthesis and catalyzes the decarboxylative condensation of l-serine and palmitoyl-coenzyme A to 3-ketodihydrosphingosine. We found that the Gram-negative obligatory aerobic bacteria Sphingomonas paucimobilis EY2395(T) have significant SPT activity and purified SPT to homogeneity. This enzyme is a water-soluble homodimeri...
متن کاملSphingomonas paucimobilis - an emerging pathogen
Sphingomonas Paucimobilis is an aerobic, oxidase positive, catalase positive, motile gram negative bacterium, opportunistic pathogen. 1 It is widely found in nature, especially in water and soil and has been isolated frequently from hospital water systems, mechanical ventilators etc. The bacteria are known to cause infections in immunocompromised and hospitalized patients. It rarely affects imm...
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ژورنال
عنوان ژورنال: Journal of Biological Chemistry
سال: 1997
ISSN: 0021-9258
DOI: 10.1074/jbc.272.38.23592