The effect of cell wall components on glycine-enhanced sterol side chain degradation to androstene derivatives by mycobacteria

beta-Sitosterol side chain degradation by Mycobacterium sp. NRRL MB 3683 results in the formation of androstene derivatives and is increased in the presence of glycine. As the sterol transformation is carried out inside the cell, higher product accumulation could indicate faster diffusion of highly...

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Veröffentlicht in:Applied microbiology and biotechnology 1999-10, Vol.52 (4), p.563-571
Hauptverfasser: SEDLACZEK, L, LISOWSKA, K, KORYCKA, M, RUMIJOWSKA, A, ZIOŁKOWSKI, A, DŁUGONSKI, J
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container_issue 4
container_start_page 563
container_title Applied microbiology and biotechnology
container_volume 52
creator SEDLACZEK, L
LISOWSKA, K
KORYCKA, M
RUMIJOWSKA, A
ZIOŁKOWSKI, A
DŁUGONSKI, J
description beta-Sitosterol side chain degradation by Mycobacterium sp. NRRL MB 3683 results in the formation of androstene derivatives and is increased in the presence of glycine. As the sterol transformation is carried out inside the cell, higher product accumulation could indicate faster diffusion of highly hydrophobic substrate through the cell wall permeability barrier. Cell wall preparations were obtained to analyse the effect of glycine on peptidoglycan components. Peptidoglycan is known to be the target for glycine action. In glycine-treated preparations, the molar ratio of diaminopimelic acid:muramic acid, the marker compounds of tetrapeptides and glycan strands respectively, was about 60% lower than in the control. This indicates a possible reduction in cross-linking between peptide units and the destruction of peptidoglycan. Unexpectedly, glycine also caused changes in the relative proportion of mycolic acids to other lipids occurring in the strain used for this study. The enhancement of beta-sitosterol side chain degradation is likely to result from disturbing the integrity of the cell wall components responsible for the permeability barrier in mycobacteria.
doi_str_mv 10.1007/s002530051561
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NRRL MB 3683 results in the formation of androstene derivatives and is increased in the presence of glycine. As the sterol transformation is carried out inside the cell, higher product accumulation could indicate faster diffusion of highly hydrophobic substrate through the cell wall permeability barrier. Cell wall preparations were obtained to analyse the effect of glycine on peptidoglycan components. Peptidoglycan is known to be the target for glycine action. In glycine-treated preparations, the molar ratio of diaminopimelic acid:muramic acid, the marker compounds of tetrapeptides and glycan strands respectively, was about 60% lower than in the control. This indicates a possible reduction in cross-linking between peptide units and the destruction of peptidoglycan. Unexpectedly, glycine also caused changes in the relative proportion of mycolic acids to other lipids occurring in the strain used for this study. The enhancement of beta-sitosterol side chain degradation is likely to result from disturbing the integrity of the cell wall components responsible for the permeability barrier in mycobacteria.</description><identifier>ISSN: 0175-7598</identifier><identifier>EISSN: 1432-0614</identifier><identifier>DOI: 10.1007/s002530051561</identifier><identifier>PMID: 10570804</identifier><identifier>CODEN: AMBIDG</identifier><language>eng</language><publisher>Berlin: Springer</publisher><subject>androstene ; androstene derivatives ; Androstenes - metabolism ; b-Sitosterol ; Biochemistry ; Biological and medical sciences ; Biology of microorganisms of confirmed or potential industrial interest ; Biomass ; Biotechnology ; Biotransformation - drug effects ; Cell Wall - chemistry ; Cell Wall - metabolism ; Densitometry ; diaminopimelic acid ; Fundamental and applied biological sciences. Psychology ; glycine ; Glycine - pharmacology ; Lipids ; Mass Spectrometry ; Membrane Lipids - metabolism ; Mission oriented research ; muramic acid ; Mycobacterium ; Mycobacterium - drug effects ; Mycobacterium - growth &amp; development ; Mycobacterium - metabolism ; mycolic acids ; Mycolic Acids - metabolism ; Peptidoglycan - drug effects ; Peptidoglycan - metabolism ; peptidoglycans ; Permeability ; Physiology and metabolism ; sitosterol ; Sitosterols - metabolism ; Sterols</subject><ispartof>Applied microbiology and biotechnology, 1999-10, Vol.52 (4), p.563-571</ispartof><rights>1999 INIST-CNRS</rights><rights>Springer-Verlag Berlin Heidelberg 1999</rights><lds50>peer_reviewed</lds50><woscitedreferencessubscribed>false</woscitedreferencessubscribed><citedby>FETCH-LOGICAL-c438t-6492de04db96a5858b58f2ecad3eed5361f7800addab90159fa626d8f6d37f023</citedby></display><links><openurl>$$Topenurl_article</openurl><openurlfulltext>$$Topenurlfull_article</openurlfulltext><thumbnail>$$Tsyndetics_thumb_exl</thumbnail><link.rule.ids>314,780,784,27922,27923</link.rule.ids><backlink>$$Uhttp://pascal-francis.inist.fr/vibad/index.php?action=getRecordDetail&amp;idt=1980782$$DView record in Pascal Francis$$Hfree_for_read</backlink><backlink>$$Uhttps://www.ncbi.nlm.nih.gov/pubmed/10570804$$D View this record in MEDLINE/PubMed$$Hfree_for_read</backlink></links><search><creatorcontrib>SEDLACZEK, L</creatorcontrib><creatorcontrib>LISOWSKA, K</creatorcontrib><creatorcontrib>KORYCKA, M</creatorcontrib><creatorcontrib>RUMIJOWSKA, A</creatorcontrib><creatorcontrib>ZIOŁKOWSKI, A</creatorcontrib><creatorcontrib>DŁUGONSKI, J</creatorcontrib><title>The effect of cell wall components on glycine-enhanced sterol side chain degradation to androstene derivatives by mycobacteria</title><title>Applied microbiology and biotechnology</title><addtitle>Appl Microbiol Biotechnol</addtitle><description>beta-Sitosterol side chain degradation by Mycobacterium sp. NRRL MB 3683 results in the formation of androstene derivatives and is increased in the presence of glycine. As the sterol transformation is carried out inside the cell, higher product accumulation could indicate faster diffusion of highly hydrophobic substrate through the cell wall permeability barrier. Cell wall preparations were obtained to analyse the effect of glycine on peptidoglycan components. Peptidoglycan is known to be the target for glycine action. In glycine-treated preparations, the molar ratio of diaminopimelic acid:muramic acid, the marker compounds of tetrapeptides and glycan strands respectively, was about 60% lower than in the control. This indicates a possible reduction in cross-linking between peptide units and the destruction of peptidoglycan. Unexpectedly, glycine also caused changes in the relative proportion of mycolic acids to other lipids occurring in the strain used for this study. The enhancement of beta-sitosterol side chain degradation is likely to result from disturbing the integrity of the cell wall components responsible for the permeability barrier in mycobacteria.</description><subject>androstene</subject><subject>androstene derivatives</subject><subject>Androstenes - metabolism</subject><subject>b-Sitosterol</subject><subject>Biochemistry</subject><subject>Biological and medical sciences</subject><subject>Biology of microorganisms of confirmed or potential industrial interest</subject><subject>Biomass</subject><subject>Biotechnology</subject><subject>Biotransformation - drug effects</subject><subject>Cell Wall - chemistry</subject><subject>Cell Wall - metabolism</subject><subject>Densitometry</subject><subject>diaminopimelic acid</subject><subject>Fundamental and applied biological sciences. 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NRRL MB 3683 results in the formation of androstene derivatives and is increased in the presence of glycine. As the sterol transformation is carried out inside the cell, higher product accumulation could indicate faster diffusion of highly hydrophobic substrate through the cell wall permeability barrier. Cell wall preparations were obtained to analyse the effect of glycine on peptidoglycan components. Peptidoglycan is known to be the target for glycine action. In glycine-treated preparations, the molar ratio of diaminopimelic acid:muramic acid, the marker compounds of tetrapeptides and glycan strands respectively, was about 60% lower than in the control. This indicates a possible reduction in cross-linking between peptide units and the destruction of peptidoglycan. Unexpectedly, glycine also caused changes in the relative proportion of mycolic acids to other lipids occurring in the strain used for this study. The enhancement of beta-sitosterol side chain degradation is likely to result from disturbing the integrity of the cell wall components responsible for the permeability barrier in mycobacteria.</abstract><cop>Berlin</cop><pub>Springer</pub><pmid>10570804</pmid><doi>10.1007/s002530051561</doi><tpages>9</tpages></addata></record>
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subjects androstene
androstene derivatives
Androstenes - metabolism
b-Sitosterol
Biochemistry
Biological and medical sciences
Biology of microorganisms of confirmed or potential industrial interest
Biomass
Biotechnology
Biotransformation - drug effects
Cell Wall - chemistry
Cell Wall - metabolism
Densitometry
diaminopimelic acid
Fundamental and applied biological sciences. Psychology
glycine
Glycine - pharmacology
Lipids
Mass Spectrometry
Membrane Lipids - metabolism
Mission oriented research
muramic acid
Mycobacterium
Mycobacterium - drug effects
Mycobacterium - growth & development
Mycobacterium - metabolism
mycolic acids
Mycolic Acids - metabolism
Peptidoglycan - drug effects
Peptidoglycan - metabolism
peptidoglycans
Permeability
Physiology and metabolism
sitosterol
Sitosterols - metabolism
Sterols
title The effect of cell wall components on glycine-enhanced sterol side chain degradation to androstene derivatives by mycobacteria
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