Nature and distribution of terpene quinones
نویسندگان
چکیده
منابع مشابه
Cytotoxic Terpene Quinones from Marine Sponges
The 1,4-benzoquinone moiety is a common structural feature in a large number of compounds that have received considerable attention owing to their broad spectrum of biological activities. The cytotoxic and antiproliferative properties of many natural sesquiterpene quinones and hydroquinones from sponges of the order Dictyoceratida, such as avarol, avarone, illimaquinone, nakijiquinone and bolin...
متن کاملSynthetic Strategies to Terpene Quinones/Hydroquinones
The cytotoxic and antiproliferative properties of many natural sesquiterpene-quinones and -hydroquinones from sponges offer promising opportunities for the development of new drugs. A review dealing with different strategies for obtaining bioactive terpenyl quinones/hydroquinones is presented. The different synthetic approches for the preparation of the most relevant quinones/hydroquinones are ...
متن کاملThe nature, intergeneric distribution and biosynthesis of isoprenoid quinones and phenols in gram-negative bacteria.
1. Twenty-two aerobically grown Gram-negative bacteria were analysed for demethylmenaquinones, menaquinones, 2-polyprenylphenols, 6-methoxy-2-polyprenylphenols and ubiquinones. 2. All the eight enterobacteria and both the two facultative organisms (Aeromonas punctata and Aeromonas hydrophila) examined contain all the compounds listed above. The principal homologues are octaprenyl; in addition l...
متن کاملNature, intracellular distribution and formation of terpenoid quinones in Euglena gracilis.
1. Light-grown cells of Euglena gracilis strain Z, var. bacillaris and 1224/5g contain phylloquinone, plastoquinone, alpha-tocopherol, alpha-tocopherolquinone and ubiquinone-9 (i.e. ubiquinone with 9 isoprene units/mol.). 2. The concentration (per g. dry wt.) of plastoquinone (and chlorophyll) in light-grown cells of strain Z was governed by the composition of the culture medium and age of the ...
متن کاملcoordination of protective schemes in distribution and subtransmission systems including distributed generation
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ژورنال
عنوان ژورنال: Biochemical Journal
سال: 1969
ISSN: 0264-6021,1470-8728
DOI: 10.1042/bj1130021pa