Low molecular weight oligo-β-hydroxybutyric acids and 3-hydroxy-N-phenethyl-butyramide: New products from microorganisms

SummaryA new group of low-molecular weight channel-forming oligo(hydroxybutyric acids) (cPHBs, 1 with n = 8–30; main component MW ≈ 1300 dalton) was isolated from microorganisms of different origin. Inclusion bodies were electron-microscopically visible in cells in the state of autolysis, not in cel...

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Published inPolymer bulletin (Berlin, Germany) Vol. 49; no. 2-3; pp. 87 - 93
Main Authors MASKEY, Rajendra P, KOCK, Ines, SHAABAN, Mohamed, GRÜN-WOLLNY, Iris, HELMKE, Elisabeth, MAYER, Frank, WAGNER-DÖBLER, Irene, LAATSCH, Hartmut
Format Journal Article
LanguageEnglish
Published Heidelberg Springer 01.11.2002
Berlin Springer Nature B.V
New York, NY
Subjects
Applied sciences
Exact sciences and technology
Industrial polymers. Preparations
Low molecular weights
Microorganisms
Natural polymers
Natural products
Phenylethylamine
Polymer industry, paints, wood
Technology of polymers
Molecular structure
Bacteria
Organic amide
Butyric derivative polymer
Inclusion body
Microorganism
Experimental study
Fermentation
Oligomer
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Summary:SummaryA new group of low-molecular weight channel-forming oligo(hydroxybutyric acids) (cPHBs, 1 with n = 8–30; main component MW ≈ 1300 dalton) was isolated from microorganisms of different origin. Inclusion bodies were electron-microscopically visible in cells in the state of autolysis, not in cells in the exponential phase of growth. cPHB and high-molecular poly(l3-hydroxybutyric acid) (sPHB) is cleaved by phenylethylamine and forms the corresponding monomeric hydroxybutyramide and – under drastic conditions, the crotylamide. One of these compounds, the 3-hydroxy-N-phenethyl-butyramide (5), was isolated as a new natural product now.
ISSN:0170-0839
1436-2449
DOI:10.1007/s00289-002-0084-1