Putrescine Detected in Strains of <i>Staphylococcus aureus</i>

Most forms of life, including the archaea, bacteria, and eukaryotes synthesize the polyamine putrescine. Although putrescine is widely distributed, several Gram-positive bacteria, including <i>Staphylococcus aureus</i> (<i>S. aureus</i>), appear to be the exceptions. We repor...

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Main Authors: Javier Seravalli, Frank Portugal
Format: Article
Language:English
Published: MDPI AG 2023-06-01
Series:Pathogens
Subjects:
Online Access:https://www.mdpi.com/2076-0817/12/7/881
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author Javier Seravalli
Frank Portugal
author_facet Javier Seravalli
Frank Portugal
author_sort Javier Seravalli
collection DOAJ
description Most forms of life, including the archaea, bacteria, and eukaryotes synthesize the polyamine putrescine. Although putrescine is widely distributed, several Gram-positive bacteria, including <i>Staphylococcus aureus</i> (<i>S. aureus</i>), appear to be the exceptions. We report here that strains of <i>S. aureus</i> can produce the polyamine putrescine, as well as the derivative <i>N</i>-acetyl-putrescine. Three strains of <i>S. aureus</i> from the American Type Culture Collection (ATCC), one strain listed in the National Center for Biotechnology Information (NCBI) database, whose genomic sequence is well defined, and well as eight strains from <i>S. aureus</i>-induced brain abscesses of individual patients from multiple geographic locations were evaluated. Each strain was grown in complete chemically defined medium (CDM) under stringent conditions, after which the partially purified conditioned medium (CM) was analyzed by mass spectroscopy (MS), and the data were reported as the <i>ratio</i> of experimental results to controls. We confirmed the synthesis of putrescine by <i>S. aureus</i> by using <sup>13</sup>C/<sup>15</sup>N-labeled arginine as a tracer. We found that agmatine, <i>N</i>-acetyl-putrescine, ornithine, citrulline, proline, and NH<sub>3</sub> were all labeled with heavy isotope derived from <sup>13</sup>C/<sup>15</sup>N-labeled arginine. None of the strains examined produced spermine or spermidine, but strains from either ATCC or human brain abscesses produced putrescine and/or its derivative <i>N</i>-acetyl-putrescine.
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spelling doaj.art-64397ab2622c4236aa5f28cffb09ac252023-11-18T20:50:19ZengMDPI AGPathogens2076-08172023-06-0112788110.3390/pathogens12070881Putrescine Detected in Strains of <i>Staphylococcus aureus</i>Javier Seravalli0Frank Portugal1Redox Biology Center and Department of Biochemistry, University of Nebraska-Lincoln, Lincoln, NE 68588, USADepartment of Biology, The Catholic University of America, Washington, DC 20064, USAMost forms of life, including the archaea, bacteria, and eukaryotes synthesize the polyamine putrescine. Although putrescine is widely distributed, several Gram-positive bacteria, including <i>Staphylococcus aureus</i> (<i>S. aureus</i>), appear to be the exceptions. We report here that strains of <i>S. aureus</i> can produce the polyamine putrescine, as well as the derivative <i>N</i>-acetyl-putrescine. Three strains of <i>S. aureus</i> from the American Type Culture Collection (ATCC), one strain listed in the National Center for Biotechnology Information (NCBI) database, whose genomic sequence is well defined, and well as eight strains from <i>S. aureus</i>-induced brain abscesses of individual patients from multiple geographic locations were evaluated. Each strain was grown in complete chemically defined medium (CDM) under stringent conditions, after which the partially purified conditioned medium (CM) was analyzed by mass spectroscopy (MS), and the data were reported as the <i>ratio</i> of experimental results to controls. We confirmed the synthesis of putrescine by <i>S. aureus</i> by using <sup>13</sup>C/<sup>15</sup>N-labeled arginine as a tracer. We found that agmatine, <i>N</i>-acetyl-putrescine, ornithine, citrulline, proline, and NH<sub>3</sub> were all labeled with heavy isotope derived from <sup>13</sup>C/<sup>15</sup>N-labeled arginine. None of the strains examined produced spermine or spermidine, but strains from either ATCC or human brain abscesses produced putrescine and/or its derivative <i>N</i>-acetyl-putrescine.https://www.mdpi.com/2076-0817/12/7/881putrescine<i>Staphylococcus aureus</i><i>N</i>-acetyl-putrescinebacterial pathogenmass spectrometrymultiple reaction monitoring (MRM)
spellingShingle Javier Seravalli
Frank Portugal
Putrescine Detected in Strains of <i>Staphylococcus aureus</i>
Pathogens
putrescine
<i>Staphylococcus aureus</i>
<i>N</i>-acetyl-putrescine
bacterial pathogen
mass spectrometry
multiple reaction monitoring (MRM)
title Putrescine Detected in Strains of <i>Staphylococcus aureus</i>
title_full Putrescine Detected in Strains of <i>Staphylococcus aureus</i>
title_fullStr Putrescine Detected in Strains of <i>Staphylococcus aureus</i>
title_full_unstemmed Putrescine Detected in Strains of <i>Staphylococcus aureus</i>
title_short Putrescine Detected in Strains of <i>Staphylococcus aureus</i>
title_sort putrescine detected in strains of i staphylococcus aureus i
topic putrescine
<i>Staphylococcus aureus</i>
<i>N</i>-acetyl-putrescine
bacterial pathogen
mass spectrometry
multiple reaction monitoring (MRM)
url https://www.mdpi.com/2076-0817/12/7/881
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