Bacterial detection using unlabeled phage amplification and mass spectrometry through structural and nonstructural phage markers.
Identifieur interne : 000B81 ( Main/Exploration ); précédent : 000B80; suivant : 000B82Bacterial detection using unlabeled phage amplification and mass spectrometry through structural and nonstructural phage markers.
Auteurs : Armelle Martelet [France] ; Guillaume L'Hostis ; Paulo Tavares ; Sandrine Brasilès ; François Fenaille ; Christine Rozand ; Alain Theretz ; Gaspard Gervasi ; Jean-Claude Tabet ; Eric Ezan ; Christophe Junot ; Bruno H. Muller ; François BecherSource :
- Journal of proteome research [ 1535-3907 ] ; 2014.
English descriptors
- KwdEn :
- Amino Acid Sequence, Animals, Bacillus subtilis (isolation & purification), Bacillus subtilis (virology), Beverages (analysis), Beverages (microbiology), Citrus sinensis, Coliphages (genetics), Escherichia coli (isolation & purification), Escherichia coli (virology), Food Analysis, Humans, Lysogeny, Meat Products (analysis), Meat Products (microbiology), Molecular Sequence Data, Peptide Library, Spectrometry, Mass, Electrospray Ionization, Swine, Viral Proteins (genetics).
- MESH :
- chemical , genetics : Viral Proteins.
- chemical : Peptide Library.
- analysis : Beverages, Meat Products.
- genetics : Coliphages.
- isolation & purification : Bacillus subtilis, Escherichia coli.
- microbiology : Beverages, Meat Products.
- virology : Bacillus subtilis, Escherichia coli.
- Amino Acid Sequence, Animals, Citrus sinensis, Food Analysis, Humans, Lysogeny, Molecular Sequence Data, Spectrometry, Mass, Electrospray Ionization, Swine.
Abstract
According to the World Health Organization, food safety is an essential public health priority. In this context, we report a relevant proof of feasibility for the indirect specific detection of bacteria in food samples using unlabeled phage amplification coupled to ESI mass spectrometry analysis and illustrated with the model phage systems T4 and SPP1. High-resolving power mass spectrometry analysis (including bottom-up and top-down protein analysis) was used for the discovery of specific markers of phage infection. Structural components of the viral particle and nonstructural proteins encoded by the phage genome were identified. Then, targeted detection of these markers was performed on a triple quadrupole mass spectrometer operating in the selected reaction monitoring mode. E. coli at 1 × 10(5), 5 × 10(5), and 1 × 10(6) CFU/mL concentrations was successfully detected after only a 2 h infection time by monitoring phage T4 structural markers in Luria-Bertani broth, orange juice, and French bean stew ("cassoulet") matrices. Reproducible detection of nonstructural markers was also demonstrated, particularly when a high titer of input phages was required to achieve successful amplification. This strategy provides a highly time-effective and sensitive assay for bacterial detection.
DOI: 10.1021/pr400991t
PubMed: 24517284
Affiliations:
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Le document en format XML
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Muller</name></author><author><name sortKey="Becher, Francois" sort="Becher, Francois" uniqKey="Becher F" first="François" last="Becher">François Becher</name></author></analytic><series><title level="j">Journal of proteome research</title><idno type="eISSN">1535-3907</idno><imprint><date when="2014" type="published">2014</date></imprint></series></biblStruct></sourceDesc></fileDesc><profileDesc><textClass><keywords scheme="KwdEn" xml:lang="en"><term>Amino Acid Sequence</term><term>Animals</term><term>Bacillus subtilis (isolation & purification)</term><term>Bacillus subtilis (virology)</term><term>Beverages (analysis)</term><term>Beverages (microbiology)</term><term>Citrus sinensis</term><term>Coliphages (genetics)</term><term>Escherichia coli (isolation & purification)</term><term>Escherichia coli (virology)</term><term>Food Analysis</term><term>Humans</term><term>Lysogeny</term><term>Meat Products (analysis)</term><term>Meat Products (microbiology)</term><term>Molecular Sequence Data</term><term>Peptide Library</term><term>Spectrometry, Mass, Electrospray Ionization</term><term>Swine</term><term>Viral Proteins (genetics)</term></keywords><keywords scheme="MESH" type="chemical" qualifier="genetics" xml:lang="en"><term>Viral Proteins</term></keywords><keywords scheme="MESH" type="chemical" xml:lang="en"><term>Peptide Library</term></keywords><keywords scheme="MESH" qualifier="analysis" xml:lang="en"><term>Beverages</term><term>Meat Products</term></keywords><keywords scheme="MESH" qualifier="genetics" xml:lang="en"><term>Coliphages</term></keywords><keywords scheme="MESH" qualifier="isolation & purification" xml:lang="en"><term>Bacillus subtilis</term><term>Escherichia coli</term></keywords><keywords scheme="MESH" qualifier="microbiology" xml:lang="en"><term>Beverages</term><term>Meat Products</term></keywords><keywords scheme="MESH" qualifier="virology" xml:lang="en"><term>Bacillus subtilis</term><term>Escherichia coli</term></keywords><keywords scheme="MESH" xml:lang="en"><term>Amino Acid Sequence</term><term>Animals</term><term>Citrus sinensis</term><term>Food Analysis</term><term>Humans</term><term>Lysogeny</term><term>Molecular Sequence Data</term><term>Spectrometry, Mass, Electrospray Ionization</term><term>Swine</term></keywords></textClass></profileDesc></teiHeader><front><div type="abstract" xml:lang="en">According to the World Health Organization, food safety is an essential public health priority. In this context, we report a relevant proof of feasibility for the indirect specific detection of bacteria in food samples using unlabeled phage amplification coupled to ESI mass spectrometry analysis and illustrated with the model phage systems T4 and SPP1. High-resolving power mass spectrometry analysis (including bottom-up and top-down protein analysis) was used for the discovery of specific markers of phage infection. Structural components of the viral particle and nonstructural proteins encoded by the phage genome were identified. Then, targeted detection of these markers was performed on a triple quadrupole mass spectrometer operating in the selected reaction monitoring mode. E. coli at 1 × 10(5), 5 × 10(5), and 1 × 10(6) CFU/mL concentrations was successfully detected after only a 2 h infection time by monitoring phage T4 structural markers in Luria-Bertani broth, orange juice, and French bean stew ("cassoulet") matrices. Reproducible detection of nonstructural markers was also demonstrated, particularly when a high titer of input phages was required to achieve successful amplification. This strategy provides a highly time-effective and sensitive assay for bacterial detection.</div></front></TEI><affiliations><list><country><li>France</li></country><region><li>Auvergne-Rhône-Alpes</li><li>Rhône-Alpes</li></region><settlement><li>Marcy-l'Etoile</li></settlement></list><tree><noCountry><name sortKey="Becher, Francois" sort="Becher, Francois" uniqKey="Becher F" first="François" last="Becher">François Becher</name><name sortKey="Brasiles, Sandrine" sort="Brasiles, Sandrine" uniqKey="Brasiles S" first="Sandrine" last="Brasilès">Sandrine Brasilès</name><name sortKey="Ezan, Eric" sort="Ezan, Eric" uniqKey="Ezan E" first="Eric" last="Ezan">Eric Ezan</name><name sortKey="Fenaille, Francois" sort="Fenaille, Francois" uniqKey="Fenaille F" first="François" last="Fenaille">François Fenaille</name><name sortKey="Gervasi, Gaspard" sort="Gervasi, Gaspard" uniqKey="Gervasi G" first="Gaspard" last="Gervasi">Gaspard Gervasi</name><name sortKey="Junot, Christophe" sort="Junot, Christophe" uniqKey="Junot C" first="Christophe" last="Junot">Christophe Junot</name><name sortKey="L Hostis, Guillaume" sort="L Hostis, Guillaume" uniqKey="L Hostis G" first="Guillaume" last="L'Hostis">Guillaume L'Hostis</name><name sortKey="Muller, Bruno H" sort="Muller, Bruno H" uniqKey="Muller B" first="Bruno H" last="Muller">Bruno H. Muller</name><name sortKey="Rozand, Christine" sort="Rozand, Christine" uniqKey="Rozand C" first="Christine" last="Rozand">Christine Rozand</name><name sortKey="Tabet, Jean Claude" sort="Tabet, Jean Claude" uniqKey="Tabet J" first="Jean-Claude" last="Tabet">Jean-Claude Tabet</name><name sortKey="Tavares, Paulo" sort="Tavares, Paulo" uniqKey="Tavares P" first="Paulo" last="Tavares">Paulo Tavares</name><name sortKey="Theretz, Alain" sort="Theretz, Alain" uniqKey="Theretz A" first="Alain" last="Theretz">Alain Theretz</name></noCountry><country name="France"><region name="Auvergne-Rhône-Alpes"><name sortKey="Martelet, Armelle" sort="Martelet, Armelle" uniqKey="Martelet A" first="Armelle" last="Martelet">Armelle Martelet</name></region></country></tree></affiliations></record>Pour manipuler ce document sous Unix (Dilib)
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