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Glycolytic dependency of high-level nitric oxide resistance and virulence in Staphylococcus aureus
Staphylococcus aureus is a prolific human pathogen capable of causing severe invasive disease with a myriad of presentations. The ability of S. aureus to cause infection is strongly linked with its capacity to overcome the effects of innate immunity, whether by directly killing immune cells or expre...
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Published in: | mBio 2015-04, Vol.6 (2) |
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description | Staphylococcus aureus is a prolific human pathogen capable of causing severe invasive disease with a myriad of presentations. The ability of S. aureus to cause infection is strongly linked with its capacity to overcome the effects of innate immunity, whether by directly killing immune cells or expressing factors that diminish the impact of immune effectors. One such scenario is the induction of lactic acid fermentation by S. aureus in response to host nitric oxide (NO·). This fermentative activity allows S. aureus to balance redox during NO·-induced respiration inhibition. However, little is known about the metabolic substrates and pathways that support this activity. Here, we identify glycolytic hexose catabolism as being essential for S. aureus growth in the presence of high levels of NO·. We determine that glycolysis supports S. aureus NO· resistance by allowing for ATP and precursor metabolite production in a redox-balanced and respiration-independent manner. We further demonstrate that glycolysis is required for NO· resistance during phagocytosis and that increased levels of extracellular glucose limit the effectiveness of phagocytic killing by enhancing NO· resistance. Finally, we demonstrate that S. aureus glycolysis is essential for virulence in both sepsis and skin/soft tissue models of infection in a time frame consistent with the induction of innate immunity and host NO· production.
Staphylococcus aureus is a leading human bacterial pathogen capable of causing a wide variety of diseases that, as a result of antibiotic resistance, are very difficult to treat. The frequency of S. aureus tissue invasion suggests that this bacterium has evolved to resist innate immunity and grow using the nutrients present in otherwise sterile host tissue. We have identified glycolysis as an essential component of S. aureus virulence and attribute its importance to promoting nitric oxide resistance and growth under low oxygen conditions. Our data suggest that diabetics, a patient population characterized by excess serum glucose, may be more susceptible to S. aureus as a result of increased glucose availability. Furthermore, the essential nature of S. aureus glycolysis indicates that a newly developed glycolysis inhibitor may be a highly effective treatment for S. aureus infections. |
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Staphylococcus aureus is a leading human bacterial pathogen capable of causing a wide variety of diseases that, as a result of antibiotic resistance, are very difficult to treat. The frequency of S. aureus tissue invasion suggests that this bacterium has evolved to resist innate immunity and grow using the nutrients present in otherwise sterile host tissue. We have identified glycolysis as an essential component of S. aureus virulence and attribute its importance to promoting nitric oxide resistance and growth under low oxygen conditions. Our data suggest that diabetics, a patient population characterized by excess serum glucose, may be more susceptible to S. aureus as a result of increased glucose availability. Furthermore, the essential nature of S. aureus glycolysis indicates that a newly developed glycolysis inhibitor may be a highly effective treatment for S. aureus infections.</description><identifier>ISSN: 2161-2129</identifier><identifier>EISSN: 2150-7511</identifier><identifier>DOI: 10.1128/mBio.00045-15</identifier><identifier>PMID: 25852157</identifier><language>eng</language><publisher>United States: American Society of Microbiology</publisher><subject>Animals ; Disease Models, Animal ; Drug Tolerance ; Female ; Fermentation ; Glycolysis ; Lactic Acid - metabolism ; Mice, Inbred C57BL ; Microbial Viability ; Nitric Oxide - toxicity ; Phagocytes - immunology ; Phagocytes - microbiology ; Staphylococcal Infections - immunology ; Staphylococcal Infections - microbiology ; Staphylococcus aureus - drug effects ; Staphylococcus aureus - growth & development ; Staphylococcus aureus - metabolism ; Staphylococcus aureus - physiology ; Virulence</subject><ispartof>mBio, 2015-04, Vol.6 (2)</ispartof><rights>Copyright © 2015 Vitko et al.</rights><rights>Copyright © 2015 Vitko et al. 2015 Vitko et al.</rights><lds50>peer_reviewed</lds50><oa>free_for_read</oa><woscitedreferencessubscribed>false</woscitedreferencessubscribed><citedby>FETCH-LOGICAL-c453t-90d7c3dddd27b291d8a32ddb611d0a659355793f74263000e783942421dc4e923</citedby><cites>FETCH-LOGICAL-c453t-90d7c3dddd27b291d8a32ddb611d0a659355793f74263000e783942421dc4e923</cites></display><links><openurl>$$Topenurl_article</openurl><openurlfulltext>$$Topenurlfull_article</openurlfulltext><thumbnail>$$Tsyndetics_thumb_exl</thumbnail><linktopdf>$$Uhttps://www.ncbi.nlm.nih.gov/pmc/articles/PMC4453550/pdf/$$EPDF$$P50$$Gpubmedcentral$$Hfree_for_read</linktopdf><linktohtml>$$Uhttps://www.ncbi.nlm.nih.gov/pmc/articles/PMC4453550/$$EHTML$$P50$$Gpubmedcentral$$Hfree_for_read</linktohtml><link.rule.ids>230,314,727,780,784,885,3188,27924,27925,53791,53793</link.rule.ids><backlink>$$Uhttps://www.ncbi.nlm.nih.gov/pubmed/25852157$$D View this record in MEDLINE/PubMed$$Hfree_for_read</backlink></links><search><contributor>Gilmore, Michael S.</contributor><contributor>Torres, Victor</contributor><creatorcontrib>Vitko, Nicholas P</creatorcontrib><creatorcontrib>Spahich, Nicole A</creatorcontrib><creatorcontrib>Richardson, Anthony R</creatorcontrib><title>Glycolytic dependency of high-level nitric oxide resistance and virulence in Staphylococcus aureus</title><title>mBio</title><addtitle>mBio</addtitle><description>Staphylococcus aureus is a prolific human pathogen capable of causing severe invasive disease with a myriad of presentations. The ability of S. aureus to cause infection is strongly linked with its capacity to overcome the effects of innate immunity, whether by directly killing immune cells or expressing factors that diminish the impact of immune effectors. One such scenario is the induction of lactic acid fermentation by S. aureus in response to host nitric oxide (NO·). This fermentative activity allows S. aureus to balance redox during NO·-induced respiration inhibition. However, little is known about the metabolic substrates and pathways that support this activity. Here, we identify glycolytic hexose catabolism as being essential for S. aureus growth in the presence of high levels of NO·. We determine that glycolysis supports S. aureus NO· resistance by allowing for ATP and precursor metabolite production in a redox-balanced and respiration-independent manner. We further demonstrate that glycolysis is required for NO· resistance during phagocytosis and that increased levels of extracellular glucose limit the effectiveness of phagocytic killing by enhancing NO· resistance. Finally, we demonstrate that S. aureus glycolysis is essential for virulence in both sepsis and skin/soft tissue models of infection in a time frame consistent with the induction of innate immunity and host NO· production.
Staphylococcus aureus is a leading human bacterial pathogen capable of causing a wide variety of diseases that, as a result of antibiotic resistance, are very difficult to treat. The frequency of S. aureus tissue invasion suggests that this bacterium has evolved to resist innate immunity and grow using the nutrients present in otherwise sterile host tissue. We have identified glycolysis as an essential component of S. aureus virulence and attribute its importance to promoting nitric oxide resistance and growth under low oxygen conditions. Our data suggest that diabetics, a patient population characterized by excess serum glucose, may be more susceptible to S. aureus as a result of increased glucose availability. Furthermore, the essential nature of S. aureus glycolysis indicates that a newly developed glycolysis inhibitor may be a highly effective treatment for S. aureus infections.</description><subject>Animals</subject><subject>Disease Models, Animal</subject><subject>Drug Tolerance</subject><subject>Female</subject><subject>Fermentation</subject><subject>Glycolysis</subject><subject>Lactic Acid - metabolism</subject><subject>Mice, Inbred C57BL</subject><subject>Microbial Viability</subject><subject>Nitric Oxide - toxicity</subject><subject>Phagocytes - immunology</subject><subject>Phagocytes - microbiology</subject><subject>Staphylococcal Infections - immunology</subject><subject>Staphylococcal Infections - microbiology</subject><subject>Staphylococcus aureus - drug effects</subject><subject>Staphylococcus aureus - growth & development</subject><subject>Staphylococcus aureus - metabolism</subject><subject>Staphylococcus aureus - physiology</subject><subject>Virulence</subject><issn>2161-2129</issn><issn>2150-7511</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>2015</creationdate><recordtype>article</recordtype><sourceid>DOA</sourceid><recordid>eNpVkU1P3DAQhiPUqiDKsVeUYy-hHn8k8aVSiwpFQuqh7dly7Mmukdfe2smq-fd4dwGBL_6YR8949FbVJyBXALT_svnu4hUhhIsGxEl1RkGQphMA7_bnFhoKVJ5WFzk_FIowBj0jH6pTKnpR2O6sGm79YqJfJmdqi1sMFoNZ6jjWa7daNx536OvgplTq8b-zWCfMLk86GKx1sPXOpdnj_uZC_XvS2_Xio4nGzLnWc8I5f6zej9pnvHjaz6u_Nz_-XP9s7n_d3l1_u28MF2xqJLGdYbYs2g1Ugu01o9YOLYAluhWSCdFJNnactqwMg13PJKecgjUcJWXn1d3Ra6N-UNvkNjotKmqnDg8xrZROZU6PqkPNpO6h5Ra4JYMeESUbrKByRNC6uL4eXdt52KA1GKak_Rvp20pwa7WKO8XLLEKQIvj8JEjx34x5UhuXDXqvA8Y5K2g7SiQlIAraHFGTYs4Jx5c2QNQ-ZrWPWR1iVgf-8vXfXujnUNkjiQylKA</recordid><startdate>20150407</startdate><enddate>20150407</enddate><creator>Vitko, Nicholas P</creator><creator>Spahich, Nicole A</creator><creator>Richardson, Anthony R</creator><general>American Society of Microbiology</general><general>American Society for Microbiology</general><scope>CGR</scope><scope>CUY</scope><scope>CVF</scope><scope>ECM</scope><scope>EIF</scope><scope>NPM</scope><scope>AAYXX</scope><scope>CITATION</scope><scope>7X8</scope><scope>5PM</scope><scope>DOA</scope></search><sort><creationdate>20150407</creationdate><title>Glycolytic dependency of high-level nitric oxide resistance and virulence in Staphylococcus aureus</title><author>Vitko, Nicholas P ; Spahich, Nicole A ; Richardson, Anthony R</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-LOGICAL-c453t-90d7c3dddd27b291d8a32ddb611d0a659355793f74263000e783942421dc4e923</frbrgroupid><rsrctype>articles</rsrctype><prefilter>articles</prefilter><language>eng</language><creationdate>2015</creationdate><topic>Animals</topic><topic>Disease Models, Animal</topic><topic>Drug Tolerance</topic><topic>Female</topic><topic>Fermentation</topic><topic>Glycolysis</topic><topic>Lactic Acid - metabolism</topic><topic>Mice, Inbred C57BL</topic><topic>Microbial Viability</topic><topic>Nitric Oxide - toxicity</topic><topic>Phagocytes - immunology</topic><topic>Phagocytes - microbiology</topic><topic>Staphylococcal Infections - immunology</topic><topic>Staphylococcal Infections - microbiology</topic><topic>Staphylococcus aureus - drug effects</topic><topic>Staphylococcus aureus - growth & development</topic><topic>Staphylococcus aureus - metabolism</topic><topic>Staphylococcus aureus - physiology</topic><topic>Virulence</topic><toplevel>peer_reviewed</toplevel><toplevel>online_resources</toplevel><creatorcontrib>Vitko, Nicholas P</creatorcontrib><creatorcontrib>Spahich, Nicole A</creatorcontrib><creatorcontrib>Richardson, Anthony R</creatorcontrib><collection>Medline</collection><collection>MEDLINE</collection><collection>MEDLINE (Ovid)</collection><collection>MEDLINE</collection><collection>MEDLINE</collection><collection>PubMed</collection><collection>CrossRef</collection><collection>MEDLINE - Academic</collection><collection>PubMed Central (Full Participant titles)</collection><collection>Directory of Open Access Journals</collection><jtitle>mBio</jtitle></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext</fulltext></delivery><addata><au>Vitko, Nicholas P</au><au>Spahich, Nicole A</au><au>Richardson, Anthony R</au><au>Gilmore, Michael S.</au><au>Torres, Victor</au><format>journal</format><genre>article</genre><ristype>JOUR</ristype><atitle>Glycolytic dependency of high-level nitric oxide resistance and virulence in Staphylococcus aureus</atitle><jtitle>mBio</jtitle><addtitle>mBio</addtitle><date>2015-04-07</date><risdate>2015</risdate><volume>6</volume><issue>2</issue><issn>2161-2129</issn><eissn>2150-7511</eissn><abstract>Staphylococcus aureus is a prolific human pathogen capable of causing severe invasive disease with a myriad of presentations. The ability of S. aureus to cause infection is strongly linked with its capacity to overcome the effects of innate immunity, whether by directly killing immune cells or expressing factors that diminish the impact of immune effectors. One such scenario is the induction of lactic acid fermentation by S. aureus in response to host nitric oxide (NO·). This fermentative activity allows S. aureus to balance redox during NO·-induced respiration inhibition. However, little is known about the metabolic substrates and pathways that support this activity. Here, we identify glycolytic hexose catabolism as being essential for S. aureus growth in the presence of high levels of NO·. We determine that glycolysis supports S. aureus NO· resistance by allowing for ATP and precursor metabolite production in a redox-balanced and respiration-independent manner. We further demonstrate that glycolysis is required for NO· resistance during phagocytosis and that increased levels of extracellular glucose limit the effectiveness of phagocytic killing by enhancing NO· resistance. Finally, we demonstrate that S. aureus glycolysis is essential for virulence in both sepsis and skin/soft tissue models of infection in a time frame consistent with the induction of innate immunity and host NO· production.
Staphylococcus aureus is a leading human bacterial pathogen capable of causing a wide variety of diseases that, as a result of antibiotic resistance, are very difficult to treat. The frequency of S. aureus tissue invasion suggests that this bacterium has evolved to resist innate immunity and grow using the nutrients present in otherwise sterile host tissue. We have identified glycolysis as an essential component of S. aureus virulence and attribute its importance to promoting nitric oxide resistance and growth under low oxygen conditions. Our data suggest that diabetics, a patient population characterized by excess serum glucose, may be more susceptible to S. aureus as a result of increased glucose availability. Furthermore, the essential nature of S. aureus glycolysis indicates that a newly developed glycolysis inhibitor may be a highly effective treatment for S. aureus infections.</abstract><cop>United States</cop><pub>American Society of Microbiology</pub><pmid>25852157</pmid><doi>10.1128/mBio.00045-15</doi><oa>free_for_read</oa></addata></record> |
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subjects | Animals Disease Models, Animal Drug Tolerance Female Fermentation Glycolysis Lactic Acid - metabolism Mice, Inbred C57BL Microbial Viability Nitric Oxide - toxicity Phagocytes - immunology Phagocytes - microbiology Staphylococcal Infections - immunology Staphylococcal Infections - microbiology Staphylococcus aureus - drug effects Staphylococcus aureus - growth & development Staphylococcus aureus - metabolism Staphylococcus aureus - physiology Virulence |
title | Glycolytic dependency of high-level nitric oxide resistance and virulence in Staphylococcus aureus |
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