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: Deutsch: Enterobacter cloacae auf
MacConkey-Agar, mit unklarem Ergebnis: eine Rosa- bis Rotfärbung der Kolonien wird als positiv gewertet, laut Literatur ist Enterobacter cloacae lactose-positiv (der Mikroorganismus kann Lactose verwerten, dies führt zum Farbumschlag des pH-Indikators Neutralrot). Dies lässt sich auf MacConkey-Agar jedoch nur schlecht erkennen, denn die Kolonien sind schwach rosa, man vergleiche mit den lactose-negativen Bakterien Proteus oder Cosenzaea. Besser geeignet sind Nährmedien mit künstlichen Substraten, die durch das Enzym β-D-Galactosidase gespalten werden, wie Salmon-GAL oder
ONPG. English: Enterobacter cloacae on
MacConkey agar, showing an unclear result: lactose-positive colonies are colored pink to red, according to literature, Enterobacter cloacae is lactose-positive (the microorganism has the ability to degrade lactose, which is detected by the pH indicator neutral red). This is hard to notice on MacConkey agar, the colonies are colored light pink, compared to lactose-negative bacteria as Proteus or Cosenzaea. More suitable are growth media with artificial substrates, which can be degrated by the Enzyme β-D-Galactosidase, as Salmon-GAL oder
ONPG. Date: 5 December 2014. Source: Own work. Author:
A doubt. The petri dish is open, showing the surface of the medium with the colonies. Licensing[
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