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Magnified 1000X, this photomicrograph depicted numbers of Gram-negative Bacteroides fragilis subsp. fragilis bacteria, which had been cultured on Schaedler agar medium, and processed using the Gram-stain method.Created: 1974

This 1972 photograph depicts two Bacteroides fragilis subsp. fragilis bacterial cultures grown on blood agar medium for 48 hours.Created: 1972

This 1972 photograph revealed the morphology displayed by two colonies of Bacteroides fragilis subsp. ovatus that had been grown on blood agar medium for 48 hours.Created: 1972

This 1972 photograph depicts two Bacteroides fragilis subsp. fragilis bacterial colonies grown on blood agar medium for 48 hours.Created: 1972

This micrograph depicts Bacteroides fragilis subsp. thetaiota bacteria that had been cultured in blood agar medium for 48 hours.Created: 1972

Description: Euskara: porphyromonas gingivalis. Date: 10 April 2019. Source: Template:This is not the author's own work, it is a copyrighted image by Kateryna Kon AKA Dr. Microbe. Author: Enara Ramirez Monge.

Description: Bacteroides biacutis—one of many en:commensal anaerobic en:Bacteroides spp. in the en:gastrointestinal tract—cultured in blood agar medium for 48 hours. Obtained from the CDC Public Health Image Library. Image credit: CDC/Dr. V.R. Dowell, Jr. (PHIL #3087), 1972. Source: US gov. Author: US gov.

Summary.mw-parser-output table.commons-file-information-table,.mw-parser-output.fileinfotpl-type-information{border:1px solid #a2a9b1;background-color:#f8f9fa;padding:5px;font-size:95%;border-spacing:2px;box-sizing:border-box;margin:0;width:100%}.mw-parser-output table.commons-file-information-table>tbody>tr,.mw-parser-output.fileinfotpl-type-information>tbody>tr{vertical-align:top}.mw-parser-output table.commons-file-information-table>tbody>tr>td,.mw-parser-output table.commons-file-information-table>tbody>tr>th,.mw-parser-output.fileinfotpl-type-information>tbody>tr>td,.mw-parser-output.fileinfotpl-type-information>tbody>tr>th{padding:4px}.mw-parser-output.fileinfo-paramfield{background:#ccf;text-align:right;padding-right:0.4em;width:15%;font-weight:bold}.mw-parser-output.commons-file-information-table+table.commons-file-information-table,.mw-parser-output.commons-file-information-table+div.commons-file-information-table>table{border-top:0;padding-top:0;margin-top:-8px}@media only screen and (max-width:719px){.mw-parser-output table.commons-file-information-table,.mw-parser-output.commons-file-information-table.fileinfotpl-type-information{border-spacing:0;padding:0;word-break:break-word;width:100%!important}.mw-parser-output.commons-file-information-table>tbody,.mw-parser-output.fileinfotpl-type-information>tbody{display:block}.mw-parser-output.commons-file-information-table>tbody>tr>td,.mw-parser-output.commons-file-information-table>tbody>tr>th,.mw-parser-output.fileinfotpl-type-information>tbody>tr>td,.mw-parser-output.fileinfotpl-type-information>tbody>tr>th{padding:0.2em 0.4em;text-align:left;text-align:start}.mw-parser-output.commons-file-information-table>tbody>tr,.mw-parser-output.fileinfotpl-type-information>tbody>tr{display:flex;flex-direction:column}.mw-parser-output.commons-file-information-table+table.commons-file-information-table,.mw-parser-output.commons-file-information-table+div.commons-file-information-table>table{margin-top:-1px}.mw-parser-output.fileinfo-paramfield{box-sizing:border-box;flex:1 0 100%;width:100%}} Description: Bacteroides fragilis isolated from a blood culture obtained from a patient with an abdominal abscess. Isolate was sensitive to Metronidazole. Date: 2 March 2012, 06:06. Source: Bacteroides fragilis on Fastidious Anaerobe Agar. Author: Nathan Reading from Halesowen, UK. Other versions: Detail Detail.

Description: ID#: 3084 English: This micrograph depicts Bacteroides fragilis ss. vulgatus bacteria cultured in blood agar medium for 48 hours. – Gram-negative B. fragilis, though a commensal bacteria that normally lives in the human gastrointestinal tract this organism can become pathogenic under circumstances involving disruption of the normal intestinal mucosa such as trauma, or surgery. (original description of the image provider). Date: 1972. Source: CDC http://phil.cdc.gov/phil_images/20030203/6/PHIL_3084_lores.jpg other version: : This media comes from the Centers for Disease Control and Prevention's Public Health Image Library (PHIL), with identification number #3084. Note: Not all PHIL images are public domain; be sure to check copyright status and credit authors and content providers. العربية | Deutsch | English | македонски | slovenščina | +/−. Author: Content Providers(s): CDC/Dr. V.R. Dowell, Jr. Permission(Reusing this file): PD-USGov-HHS-CDC English: Copyright Restrictions: None - This image is in the public domain and thus free of any copyright restrictions. As a matter of courtesy we request that the content provider be credited and notified in any public or private usage of this image.

Summary.mw-parser-output table.commons-file-information-table,.mw-parser-output.fileinfotpl-type-information{border:1px solid #a2a9b1;background-color:#f8f9fa;padding:5px;font-size:95%;border-spacing:2px;box-sizing:border-box;margin:0;width:100%}.mw-parser-output table.commons-file-information-table>tbody>tr,.mw-parser-output.fileinfotpl-type-information>tbody>tr{vertical-align:top}.mw-parser-output table.commons-file-information-table>tbody>tr>td,.mw-parser-output table.commons-file-information-table>tbody>tr>th,.mw-parser-output.fileinfotpl-type-information>tbody>tr>td,.mw-parser-output.fileinfotpl-type-information>tbody>tr>th{padding:4px}.mw-parser-output.fileinfo-paramfield{background:#ccf;text-align:right;padding-right:0.4em;width:15%;font-weight:bold}.mw-parser-output.commons-file-information-table+table.commons-file-information-table,.mw-parser-output.commons-file-information-table+div.commons-file-information-table>table{border-top:0;padding-top:0;margin-top:-8px}@media only screen and (max-width:719px){.mw-parser-output table.commons-file-information-table,.mw-parser-output.commons-file-information-table.fileinfotpl-type-information{border-spacing:0;padding:0;word-break:break-word;width:100%!important}.mw-parser-output.commons-file-information-table>tbody,.mw-parser-output.fileinfotpl-type-information>tbody{display:block}.mw-parser-output.commons-file-information-table>tbody>tr>td,.mw-parser-output.commons-file-information-table>tbody>tr>th,.mw-parser-output.fileinfotpl-type-information>tbody>tr>td,.mw-parser-output.fileinfotpl-type-information>tbody>tr>th{padding:0.2em 0.4em;text-align:left;text-align:start}.mw-parser-output.commons-file-information-table>tbody>tr,.mw-parser-output.fileinfotpl-type-information>tbody>tr{display:flex;flex-direction:column}.mw-parser-output.commons-file-information-table+table.commons-file-information-table,.mw-parser-output.commons-file-information-table+div.commons-file-information-table>table{margin-top:-1px}.mw-parser-output.fileinfo-paramfield{box-sizing:border-box;flex:1 0 100%;width:100%}} Description: Bacteroides fragilis isolated from a blood culture obtained from a patient with an abdominal abscess. Isolate was sensitive to Metronidazole. Date: 2 March 2012, 06:07. Source: Bacteroides fragilis on Fastidious Anaerobe Agar - detail. Author: Nathan Reading from Halesowen, UK. Other versions: Detail.

Summary.mw-parser-output table.commons-file-information-table,.mw-parser-output.fileinfotpl-type-information{border:1px solid #a2a9b1;background-color:#f8f9fa;padding:5px;font-size:95%;border-spacing:2px;box-sizing:border-box;margin:0;width:100%}.mw-parser-output table.commons-file-information-table>tbody>tr,.mw-parser-output.fileinfotpl-type-information>tbody>tr{vertical-align:top}.mw-parser-output table.commons-file-information-table>tbody>tr>td,.mw-parser-output table.commons-file-information-table>tbody>tr>th,.mw-parser-output.fileinfotpl-type-information>tbody>tr>td,.mw-parser-output.fileinfotpl-type-information>tbody>tr>th{padding:4px}.mw-parser-output.fileinfo-paramfield{background:#ccf;text-align:right;padding-right:0.4em;width:15%;font-weight:bold}.mw-parser-output.commons-file-information-table+table.commons-file-information-table,.mw-parser-output.commons-file-information-table+div.commons-file-information-table>table{border-top:0;padding-top:0;margin-top:-8px}@media only screen and (max-width:719px){.mw-parser-output table.commons-file-information-table,.mw-parser-output.commons-file-information-table.fileinfotpl-type-information{border-spacing:0;padding:0;word-break:break-word;width:100%!important}.mw-parser-output.commons-file-information-table>tbody,.mw-parser-output.fileinfotpl-type-information>tbody{display:block}.mw-parser-output.commons-file-information-table>tbody>tr>td,.mw-parser-output.commons-file-information-table>tbody>tr>th,.mw-parser-output.fileinfotpl-type-information>tbody>tr>td,.mw-parser-output.fileinfotpl-type-information>tbody>tr>th{padding:0.2em 0.4em;text-align:left;text-align:start}.mw-parser-output.commons-file-information-table>tbody>tr,.mw-parser-output.fileinfotpl-type-information>tbody>tr{display:flex;flex-direction:column}.mw-parser-output.commons-file-information-table+table.commons-file-information-table,.mw-parser-output.commons-file-information-table+div.commons-file-information-table>table{margin-top:-1px}.mw-parser-output.fileinfo-paramfield{box-sizing:border-box;flex:1 0 100%;width:100%}} Description: Bacteroides fragilis isolated from a blood culture obtained from a patient with an abdominal abscess. Isolate was sensitive to Metronidazole. Date: 2 March 2012, 06:09. Source: Bacteroides fragilis on Fastidious Anaerobe Agar - detail 2. Author: Nathan Reading from Halesowen, UK. Other versions: Detail.

Description: English: Bergeyella zoohelcum forms characteristic sticky colonies on the blood agar plate. Date: 26 February 2015, 19:13:40. Source: Own work. Author: Stefan Walkowski. Other versions: https://commons.wikimedia.org/wiki/File:Bergeyella_zoohelcum_2.jpg.

Description: English: Juvenile chinook salmon Oncorhynchus tshawytscha with bacterial coldwater disease (BCWD) Flavobacterium psychrophilum. Date: 2 December 2013, 10:04:20. Source: http://www.fws.gov/FieldNotes/regmap.cfm?arskey=34248&callingKey=state&callingValue=CA. Author: USFWS CA-NV Fish Health Center.

Summary.mw-parser-output table.commons-file-information-table,.mw-parser-output.fileinfotpl-type-information{border:1px solid #a2a9b1;background-color:#f8f9fa;padding:5px;font-size:95%;border-spacing:2px;box-sizing:border-box;margin:0;width:100%}.mw-parser-output table.commons-file-information-table>tbody>tr,.mw-parser-output.fileinfotpl-type-information>tbody>tr{vertical-align:top}.mw-parser-output table.commons-file-information-table>tbody>tr>td,.mw-parser-output table.commons-file-information-table>tbody>tr>th,.mw-parser-output.fileinfotpl-type-information>tbody>tr>td,.mw-parser-output.fileinfotpl-type-information>tbody>tr>th{padding:4px}.mw-parser-output.fileinfo-paramfield{background:#ccf;text-align:right;padding-right:0.4em;width:15%;font-weight:bold}.mw-parser-output.commons-file-information-table+table.commons-file-information-table,.mw-parser-output.commons-file-information-table+div.commons-file-information-table>table{border-top:0;padding-top:0;margin-top:-8px}@media only screen and (max-width:719px){.mw-parser-output table.commons-file-information-table,.mw-parser-output.commons-file-information-table.fileinfotpl-type-information{border-spacing:0;padding:0;word-break:break-word;width:100%!important}.mw-parser-output.commons-file-information-table>tbody,.mw-parser-output.fileinfotpl-type-information>tbody{display:block}.mw-parser-output.commons-file-information-table>tbody>tr>td,.mw-parser-output.commons-file-information-table>tbody>tr>th,.mw-parser-output.fileinfotpl-type-information>tbody>tr>td,.mw-parser-output.fileinfotpl-type-information>tbody>tr>th{padding:0.2em 0.4em;text-align:left;text-align:start}.mw-parser-output.commons-file-information-table>tbody>tr,.mw-parser-output.fileinfotpl-type-information>tbody>tr{display:flex;flex-direction:column}.mw-parser-output.commons-file-information-table+table.commons-file-information-table,.mw-parser-output.commons-file-information-table+div.commons-file-information-table>table{margin-top:-1px}.mw-parser-output.fileinfo-paramfield{box-sizing:border-box;flex:1 0 100%;width:100%}} Description: English: Chryseobacterium greenlandensis NRRL B-59357 (Type Strain) Accession numbers in other collections: CIP 110007=UMB34 Source: J. Loveland-Curtze Isolated from (substrate): ice core sample (GIPS2), 3043 m deep Substrate location: Summit of Ice Sheet (72o 36' N, 38o 30' W; 3200 masl), Greenland Growth media: R2A (number 16) Optimum growth temperature: 28C Strain images: NRRL_B-59357_16.JPG Biosafety Level: 1 Agricultural Research Service (NRRL)Culture Collection - March 5, 2023. Date: 10 August 2017, 08:05:51. Source: https://nrrl.ncaur.usda.gov/cgi-bin/usda/prokaryote/report.html?nrrlcodes=B-59357. Author: Agricultural Research Service (NRRL)Culture Collection.

Description: English: Bergeyella zoohelcum colonies on the blood agar plate. Date: 26 February 2015, 19:11:32. Source: Own work. Author: Stefan Walkowski. Other versions: https://commons.wikimedia.org/wiki/File:Bergeyella_zoohelcum.jpg.

Flexibacter (fleck-see-back-ter) - a bacterium isolated from a marine sediment. Benthic ecosystems in marine and many other sediments is one which has a spectacular range of chemical conditions - from an oxic habitat at the surface to an anoxic, sulphide and acidic habitat in deeper regions. The oxygen rich layer penetrates deeper into sediments during the day or when sediments are exposed to the air (photosynthesis and access to the atmosphere provide a supply of oxygen), and at night or when the tide comes up the oxygen rich layer recedes. Most organisms seem to occur only in a narrow band within the habitats, and so must be able to move with the changing chemistry of the habitat changes. Many bacteria - such as the ones illustrated here - are filamentous and flexible and can migrate through the sediments. Phase contrast.