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Characterization of a new lipopeptide surfactant produced by thermotolerant and halotolerant subsurface Bacillus licheniformis BAS50
- M. Yakimov, K. Timmis, V. Wray, H. Fredrickson
- BiologyApplied and environmental microbiology
- 1 May 1995
Purified lichenysin A decreases the surface tension of water from 72 mN/m to 28 mN /liter and achieves the critical micelle concentration with as little as 12 mg/liter, characterizing the product as a powerful surface-active agent that compares favorably to others surfactants.
Microbial production, structure elucidation and bioconversion of sophorose lipids
A 17-hydroxyocta-decanoic acid at the C-1’ -position and acetate groups at the B-6’ and C-6' -positions of sophorose were found as substituents in the lactone and acidic forms of these lipids.
Cytotoxic metabolites from the fungal endophyte Alternaria sp. and their subsequent detection in its host plant Polygonum senegalense.
From the Egyptian medicinal plant Polygonum senegalense the fungal endophyte Alternaria sp. was isolated. Extracts of the fungus grown either in liquid culture or on solid rice media exhibited…
Adaptation of Pseudomonas aeruginosa to various conditions includes tRNA‐dependent formation of alanyl‐phosphatidylglycerol
The opportunistic bacterium Pseudomonas aeruginosa synthesizes significant amounts of an additional phospholipid, identified as 2′ alanyl‐phosphatidylglycerol (A‐PG), when exposed to acidic growth conditions, and the protein encoded by PA0920 was named A‐PG synthase.
Formation and analysis of mannosylerythritol lipids secreted by Pseudozyma aphidis
Pseudozyma aphidis DSM 70725 was found to be a novel producer of mannosylerythritol lipids (MELs) and all fatty acids contained in MEL and derived from soybean oil or related methyl ester were degraded by C2-units to differing extents.
Biosynthetic Pathway of Pseudomonas aeruginosa 4-Hydroxy-2-Alkylquinolines
- Florian Bredenbruch, M. Nimtz, V. Wray, M. Morr, R. Müller, S. Häussler
- Chemistry, BiologyJournal of bacteriology
- 1 June 2005
The results show that the biosynthesis of various HAQ metabolites is directed via a common metabolic pathway involving a "head-to-head" condensation of anthranilic acid and beta-keto fatty acids.
Initial Reactions in the Biodegradation of 1-Chloro-4-Nitrobenzene by a Newly Isolated Bacterium, Strain LW1
- E. Katsivela, V. Wray, D. Pieper, R. Wittich
- Chemistry, BiologyApplied and Environmental Microbiology
- 1 April 1999
Bacterial strain LW1 utilizes 1-chloro-4-nitrobenzene (1C4NB) as a sole source of carbon, nitrogen, and energy and transformation indicated that there was partial reduction of the nitro group to the hydroxylamino substituent, followed by Bamberger rearrangement.
Xanalteric acids I and II and related phenolic compounds from an endophytic Alternaria sp. isolated from the mangrove plant Sonneratia alba.
Two new 10-oxo-10H-phenaleno[1,2,3-de]chromene-2-carboxylic acids, xanalteric acids I (1) and II (2), and 11 known secondary metabolites were obtained from extracts of the endophytic fungus…
From anti-fouling to biofilm inhibition: new cytotoxic secondary metabolites from two Indonesian Agelas sponges.