alexa New aminophenoxazinones from a marine Halomonas sp.: fermentation, structure elucidation, and biological activity.
Agri and Aquaculture

Agri and Aquaculture

Journal of Aquaculture Research & Development

Author(s): Bitzer J, Grosse T, Wang L, Lang S, Beil W,

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Abstract The addition of anthranilic acid to the culture medium of the marine derived Halomonas sp. strain GWS-BW-H8hM completely altered the secondary metabolite pattern relative to the standard conditions. The red-orange color of the culture filtrate extract was the result of the production of 2-aminophenoxazin-3-one (1), chandrananimycin C (5) and three new derivatives of 1 with a previously unknown substitution pattern: 2-amino-, 2-amino-8-benzoyl-, and 2-amino-8-(4-hydroxybenzoyl)-6-hydroxyphenoxazin-3-one (2-4). The compounds were determined to have antibacterial and cytotoxic activities; a mode of action other than DNA intercalation is discussed. This article was published in J Antibiot (Tokyo) and referenced in Journal of Aquaculture Research & Development

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