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Antimicrobial activ...
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Christakopoulos, Paul
(författare)
Antimicrobial activity of acidic xylo-oligosaccharides produced by family 10 and 11 endoxylanases
- Artikel/kapitelEngelska2003
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Nummerbeteckningar
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LIBRIS-ID:oai:DiVA.org:ltu-9643
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https://urn.kb.se/resolve?urn=urn:nbn:se:ltu:diva-9643URI
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https://doi.org/10.1016/S0141-8130(02)00079-XDOI
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Språk:engelska
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Sammanfattning på:engelska
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Ämneskategori:ref swepub-contenttype
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Ämneskategori:art swepub-publicationtype
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Upprättat; 2003; 20130218 (ysko)
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Acidic oligosaccharides were obtained from birchwood xylan by treatment with a Thermoascus aurantiacus family 10 and a Sporotrichum thermophile family 11 endoxylanases. The main difference between the products liberated by xylanases of family 10 and 11 concerned the length of the products containing 4-O-methyl-d-glucuronic acid. The xylanase from T. aurantiacus liberate from glucuronoxylan an aldotetrauronic acid as the shortest acidic fragment in contrast with the enzyme from S. thermophile, which liberated an aldopentauronic acid. Acidic xylooligosaccharides were separated from the hydrolysate by anion-exchange and size-exclusion chromatography (SEC) and the primary structure was determined by 13C NMR spectroscopy. The acidic xylo-oligosaccharides were tested against three Gram-positive and three Gram-negative aerobically grown bacteria, as well as against Helicobacterpylori. Aldopentauronic acid was proved more active against the Gram-positive bacteria and against H. pylori.
Biuppslag (personer, institutioner, konferenser, titlar ...)
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Katapodis, P.National Technical University of Athens
(författare)
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Kalogeris, E.National Technical University of Athens
(författare)
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Kekos, D.National Technical University of Athens
(författare)
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Macris, B.J.National Technical University of Athens
(författare)
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Stamatis, H.University of Ioannina
(författare)
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Skaltsa, H.School of Pharmacy, Panepistimiopolis, Zografou
(författare)
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National Technical University of AthensUniversity of Ioannina
(creator_code:org_t)
Sammanhörande titlar
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Ingår i:International Journal of Biological Macromolecules31:4-5, s. 171-1750141-81301879-0003
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