Superoxide dismutase is a virulence factor produced by the coral bleaching pathogen Vibrio shiloi
Coral bleaching is a disease that threatens coral reefs throughout the world. The disease is correlated with higher-than-normal seawater temperatures. Data have been reported showing that bleaching of the coral Oculina patagonica during the summer in the Mediterranean Sea is the result of an infecti...
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| Veröffentlicht in: | Current microbiology 2003-06, Vol.46 (6), p.418-422 |
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| creator | BANIN, Ehud VASSILAKOS, Dimitri ORR, Elisha MARTINEZ, Raphael J ROSENBERG, Eugene |
| description | Coral bleaching is a disease that threatens coral reefs throughout the world. The disease is correlated with higher-than-normal seawater temperatures. Data have been reported showing that bleaching of the coral Oculina patagonica during the summer in the Mediterranean Sea is the result of an infection with Vibrio shiloi. The summer temperatures induce the expression of virulence factors in the pathogen. We report here that V. shiloi produces an extracellular superoxide dismutase (SOD) at 30 degrees C, but not at 16 degrees C. An SOD(-) mutant was avirulent. The mutant adhered to corals, penetrated into coral cells, multiplied intracellularly for a short time, and then died. These data support the hypothesis that SOD protects the intracellular V. shiloi from oxidative stress caused by the high concentration of oxygen produced by intracellular zooxanthellae photosynthesis. |
| doi_str_mv | 10.1007/s00284-002-3912-5 |
| format | Article |
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The disease is correlated with higher-than-normal seawater temperatures. Data have been reported showing that bleaching of the coral Oculina patagonica during the summer in the Mediterranean Sea is the result of an infection with Vibrio shiloi. The summer temperatures induce the expression of virulence factors in the pathogen. We report here that V. shiloi produces an extracellular superoxide dismutase (SOD) at 30 degrees C, but not at 16 degrees C. An SOD(-) mutant was avirulent. The mutant adhered to corals, penetrated into coral cells, multiplied intracellularly for a short time, and then died. These data support the hypothesis that SOD protects the intracellular V. shiloi from oxidative stress caused by the high concentration of oxygen produced by intracellular zooxanthellae photosynthesis.</description><identifier>ISSN: 0343-8651</identifier><identifier>EISSN: 1432-0991</identifier><identifier>DOI: 10.1007/s00284-002-3912-5</identifier><identifier>PMID: 12732948</identifier><identifier>CODEN: CUMIDD</identifier><language>eng</language><publisher>New York, NY: Springer</publisher><subject>Anthozoa - microbiology ; Bacteriology ; Biological and medical sciences ; Coral bleaching ; Coral reefs ; Enzymes ; Eukaryota - metabolism ; Fundamental and applied biological sciences. Psychology ; Gene Library ; Marine ; Mediterranean Sea ; Microbiology ; Miscellaneous ; Mutagenesis, Insertional ; Oculina patagonica ; Oxidative stress ; Pathogens ; Pathology ; Photosynthesis ; Seasons ; Seawater ; Superoxide Dismutase - biosynthesis ; Superoxide Dismutase - genetics ; Superoxide Dismutase - isolation & purification ; Symbiosis ; Temperature ; Vibrio - enzymology ; Vibrio - pathogenicity ; Vibrio shiloi ; Virulence Factors - biosynthesis ; Water temperature</subject><ispartof>Current microbiology, 2003-06, Vol.46 (6), p.418-422</ispartof><rights>2004 INIST-CNRS</rights><rights>Springer-Verlag New York Inc. 2003</rights><lds50>peer_reviewed</lds50><woscitedreferencessubscribed>false</woscitedreferencessubscribed><citedby>FETCH-LOGICAL-c385t-913321950a90f437558a5bc9a62a074d3ed4493d89944670822ed54655fda3903</citedby></display><links><openurl>$$Topenurl_article</openurl><openurlfulltext>$$Topenurlfull_article</openurlfulltext><thumbnail>$$Tsyndetics_thumb_exl</thumbnail><link.rule.ids>314,776,780,27901,27902</link.rule.ids><backlink>$$Uhttp://pascal-francis.inist.fr/vibad/index.php?action=getRecordDetail&idt=14852265$$DView record in Pascal Francis$$Hfree_for_read</backlink><backlink>$$Uhttps://www.ncbi.nlm.nih.gov/pubmed/12732948$$D View this record in MEDLINE/PubMed$$Hfree_for_read</backlink></links><search><creatorcontrib>BANIN, Ehud</creatorcontrib><creatorcontrib>VASSILAKOS, Dimitri</creatorcontrib><creatorcontrib>ORR, Elisha</creatorcontrib><creatorcontrib>MARTINEZ, Raphael J</creatorcontrib><creatorcontrib>ROSENBERG, Eugene</creatorcontrib><title>Superoxide dismutase is a virulence factor produced by the coral bleaching pathogen Vibrio shiloi</title><title>Current microbiology</title><addtitle>Curr Microbiol</addtitle><description>Coral bleaching is a disease that threatens coral reefs throughout the world. The disease is correlated with higher-than-normal seawater temperatures. Data have been reported showing that bleaching of the coral Oculina patagonica during the summer in the Mediterranean Sea is the result of an infection with Vibrio shiloi. The summer temperatures induce the expression of virulence factors in the pathogen. We report here that V. shiloi produces an extracellular superoxide dismutase (SOD) at 30 degrees C, but not at 16 degrees C. An SOD(-) mutant was avirulent. The mutant adhered to corals, penetrated into coral cells, multiplied intracellularly for a short time, and then died. 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The disease is correlated with higher-than-normal seawater temperatures. Data have been reported showing that bleaching of the coral Oculina patagonica during the summer in the Mediterranean Sea is the result of an infection with Vibrio shiloi. The summer temperatures induce the expression of virulence factors in the pathogen. We report here that V. shiloi produces an extracellular superoxide dismutase (SOD) at 30 degrees C, but not at 16 degrees C. An SOD(-) mutant was avirulent. The mutant adhered to corals, penetrated into coral cells, multiplied intracellularly for a short time, and then died. These data support the hypothesis that SOD protects the intracellular V. shiloi from oxidative stress caused by the high concentration of oxygen produced by intracellular zooxanthellae photosynthesis.</abstract><cop>New York, NY</cop><pub>Springer</pub><pmid>12732948</pmid><doi>10.1007/s00284-002-3912-5</doi><tpages>5</tpages></addata></record> |
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| ispartof | Current microbiology, 2003-06, Vol.46 (6), p.418-422 |
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| subjects | Anthozoa - microbiology Bacteriology Biological and medical sciences Coral bleaching Coral reefs Enzymes Eukaryota - metabolism Fundamental and applied biological sciences. Psychology Gene Library Marine Mediterranean Sea Microbiology Miscellaneous Mutagenesis, Insertional Oculina patagonica Oxidative stress Pathogens Pathology Photosynthesis Seasons Seawater Superoxide Dismutase - biosynthesis Superoxide Dismutase - genetics Superoxide Dismutase - isolation & purification Symbiosis Temperature Vibrio - enzymology Vibrio - pathogenicity Vibrio shiloi Virulence Factors - biosynthesis Water temperature |
| title | Superoxide dismutase is a virulence factor produced by the coral bleaching pathogen Vibrio shiloi |
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