ROLE OF EXOPOLYMER AND ACID-TOLERANCE IN THE GROWTH OF BACTERIA IN SOLUTIONS WITH HIGH COPPER ION CONCENTRATION
When copper-resistant Escherichia coli HB101 cells were transferred from regular to copper-amended, 1/3 strength Tryptic Soy Broth (TSB), there was an increase in the amount of exopolymer produced. The copper binding abilities of exopolymer for Pseudomonas aeruginosa 7, P. pseudomallei 13-1 (both co...
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| Veröffentlicht in: | Journal of general and applied microbiology 1991, Vol.37(4), pp.363-370 |
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| container_end_page | 370 |
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| container_title | Journal of general and applied microbiology |
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| creator | CHAO, W.-L. CHEN, CHERYL L. F. |
| description | When copper-resistant Escherichia coli HB101 cells were transferred from regular to copper-amended, 1/3 strength Tryptic Soy Broth (TSB), there was an increase in the amount of exopolymer produced. The copper binding abilities of exopolymer for Pseudomonas aeruginosa 7, P. pseudomallei 13-1 (both copper-resistant) and from P. putida 3 (copper-sensitive), were also determined. If treated with phenol, about 50 to 75% of the copper binding ability of these exopolymers was removed. Although the amount of copper ion bound by the exopolymer isolated from P. putida 3 was about the same as from the resistant organisms, it did not grow in medium containing 0.5ppm copper ion. When free copper ion concentration in 1/3 strength TSB increased to 0.5ppm, the pH value of the broth dropped from 6.8 to 4.9. We believe this was what prevented the growth of the P. putida 3 in the solution containing the high concentration of copper ion. |
| doi_str_mv | 10.2323/jgam.37.363 |
| format | Article |
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F.</creator><creatorcontrib>CHAO, W.-L. ; CHEN, CHERYL L. F.</creatorcontrib><description>When copper-resistant Escherichia coli HB101 cells were transferred from regular to copper-amended, 1/3 strength Tryptic Soy Broth (TSB), there was an increase in the amount of exopolymer produced. The copper binding abilities of exopolymer for Pseudomonas aeruginosa 7, P. pseudomallei 13-1 (both copper-resistant) and from P. putida 3 (copper-sensitive), were also determined. If treated with phenol, about 50 to 75% of the copper binding ability of these exopolymers was removed. Although the amount of copper ion bound by the exopolymer isolated from P. putida 3 was about the same as from the resistant organisms, it did not grow in medium containing 0.5ppm copper ion. When free copper ion concentration in 1/3 strength TSB increased to 0.5ppm, the pH value of the broth dropped from 6.8 to 4.9. We believe this was what prevented the growth of the P. putida 3 in the solution containing the high concentration of copper ion.</description><identifier>ISSN: 0022-1260</identifier><identifier>EISSN: 1349-8037</identifier><identifier>DOI: 10.2323/jgam.37.363</identifier><identifier>CODEN: JGAMA9</identifier><language>eng</language><publisher>Tokyo: Applied Microbiology, Molecular and Cellular Biosciences Research Foundation</publisher><subject>Action of physical and chemical agents on bacteria ; Bacteriology ; Biological and medical sciences ; Fundamental and applied biological sciences. 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F.</creatorcontrib><title>ROLE OF EXOPOLYMER AND ACID-TOLERANCE IN THE GROWTH OF BACTERIA IN SOLUTIONS WITH HIGH COPPER ION CONCENTRATION</title><title>Journal of general and applied microbiology</title><addtitle>J. Gen. Appl. Microbiol.</addtitle><description>When copper-resistant Escherichia coli HB101 cells were transferred from regular to copper-amended, 1/3 strength Tryptic Soy Broth (TSB), there was an increase in the amount of exopolymer produced. The copper binding abilities of exopolymer for Pseudomonas aeruginosa 7, P. pseudomallei 13-1 (both copper-resistant) and from P. putida 3 (copper-sensitive), were also determined. If treated with phenol, about 50 to 75% of the copper binding ability of these exopolymers was removed. Although the amount of copper ion bound by the exopolymer isolated from P. putida 3 was about the same as from the resistant organisms, it did not grow in medium containing 0.5ppm copper ion. When free copper ion concentration in 1/3 strength TSB increased to 0.5ppm, the pH value of the broth dropped from 6.8 to 4.9. We believe this was what prevented the growth of the P. putida 3 in the solution containing the high concentration of copper ion.</description><subject>Action of physical and chemical agents on bacteria</subject><subject>Bacteriology</subject><subject>Biological and medical sciences</subject><subject>Fundamental and applied biological sciences. Psychology</subject><subject>Microbiology</subject><subject>Pseudomonas aeruginosa</subject><subject>Pseudomonas pseudomallei</subject><subject>Pseudomonas putida</subject><issn>0022-1260</issn><issn>1349-8037</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>1991</creationdate><recordtype>article</recordtype><recordid>eNo9kMFO4zAURS3ESJQyK37AC8QGpWP7xU67DGloIoW4CkHAynJdB1qlLcRlwd_jTKtu_Kx3zzuLi9A1JSMGDP6t3_VmBNEIBJyhAYVwEowJROdoQAhjAWWCXKBL59aEgGDjcIB2lSxSLB9w-irnsnh7TCscl1McJ_k0qH1WxWWS4rzEdZbiWSVf6qzH7-OkTqs87pMnWTzXuSyf8Evu0yyfZTiR87lX-a3_ekNZV3HPXKE_jW6d_XucQ_T8kNZJFhRylidxEZiQ830AC2GW1CwWSyKoEMJysJSEobZc86WmhPOILphhkWZNCI1YTojhDQNCScQpwBDdHryf3e7r27q92qycsW2rt3b37RQVlEXM9zREdwfQdDvnOtuoz2610d2PokT1paq-VAWR8rCnb45a7Yxum05vzcqdTjgjY0pDj00P2Nrt9bs95brbr0xr_yvphPNeGx4fAafYfOhO2S38ApwWhQk</recordid><startdate>1991</startdate><enddate>1991</enddate><creator>CHAO, W.-L.</creator><creator>CHEN, CHERYL L. F.</creator><general>Applied Microbiology, Molecular and Cellular Biosciences Research Foundation</general><general>Microbiology Research Foundation</general><scope>IQODW</scope><scope>AAYXX</scope><scope>CITATION</scope><scope>7QL</scope><scope>C1K</scope></search><sort><creationdate>1991</creationdate><title>ROLE OF EXOPOLYMER AND ACID-TOLERANCE IN THE GROWTH OF BACTERIA IN SOLUTIONS WITH HIGH COPPER ION CONCENTRATION</title><author>CHAO, W.-L. ; CHEN, CHERYL L. F.</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-LOGICAL-c455t-3b6cd1cbbd061666e53e1044ae5a5da105571b2c27a2f43f6d90c5f2301075133</frbrgroupid><rsrctype>articles</rsrctype><prefilter>articles</prefilter><language>eng</language><creationdate>1991</creationdate><topic>Action of physical and chemical agents on bacteria</topic><topic>Bacteriology</topic><topic>Biological and medical sciences</topic><topic>Fundamental and applied biological sciences. Psychology</topic><topic>Microbiology</topic><topic>Pseudomonas aeruginosa</topic><topic>Pseudomonas pseudomallei</topic><topic>Pseudomonas putida</topic><toplevel>peer_reviewed</toplevel><toplevel>online_resources</toplevel><creatorcontrib>CHAO, W.-L.</creatorcontrib><creatorcontrib>CHEN, CHERYL L. F.</creatorcontrib><collection>Pascal-Francis</collection><collection>CrossRef</collection><collection>Bacteriology Abstracts (Microbiology B)</collection><collection>Environmental Sciences and Pollution Management</collection><jtitle>Journal of general and applied microbiology</jtitle></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext</fulltext></delivery><addata><au>CHAO, W.-L.</au><au>CHEN, CHERYL L. F.</au><format>journal</format><genre>article</genre><ristype>JOUR</ristype><atitle>ROLE OF EXOPOLYMER AND ACID-TOLERANCE IN THE GROWTH OF BACTERIA IN SOLUTIONS WITH HIGH COPPER ION CONCENTRATION</atitle><jtitle>Journal of general and applied microbiology</jtitle><addtitle>J. Gen. Appl. Microbiol.</addtitle><date>1991</date><risdate>1991</risdate><volume>37</volume><issue>4</issue><spage>363</spage><epage>370</epage><pages>363-370</pages><issn>0022-1260</issn><eissn>1349-8037</eissn><coden>JGAMA9</coden><abstract>When copper-resistant Escherichia coli HB101 cells were transferred from regular to copper-amended, 1/3 strength Tryptic Soy Broth (TSB), there was an increase in the amount of exopolymer produced. The copper binding abilities of exopolymer for Pseudomonas aeruginosa 7, P. pseudomallei 13-1 (both copper-resistant) and from P. putida 3 (copper-sensitive), were also determined. If treated with phenol, about 50 to 75% of the copper binding ability of these exopolymers was removed. Although the amount of copper ion bound by the exopolymer isolated from P. putida 3 was about the same as from the resistant organisms, it did not grow in medium containing 0.5ppm copper ion. When free copper ion concentration in 1/3 strength TSB increased to 0.5ppm, the pH value of the broth dropped from 6.8 to 4.9. We believe this was what prevented the growth of the P. putida 3 in the solution containing the high concentration of copper ion.</abstract><cop>Tokyo</cop><pub>Applied Microbiology, Molecular and Cellular Biosciences Research Foundation</pub><doi>10.2323/jgam.37.363</doi><tpages>8</tpages><oa>free_for_read</oa></addata></record> |
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| ispartof | The Journal of General and Applied Microbiology, 1991, Vol.37(4), pp.363-370 |
| issn | 0022-1260 1349-8037 |
| language | eng |
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| source | J-STAGE Free; Elektronische Zeitschriftenbibliothek - Frei zugängliche E-Journals |
| subjects | Action of physical and chemical agents on bacteria Bacteriology Biological and medical sciences Fundamental and applied biological sciences. Psychology Microbiology Pseudomonas aeruginosa Pseudomonas pseudomallei Pseudomonas putida |
| title | ROLE OF EXOPOLYMER AND ACID-TOLERANCE IN THE GROWTH OF BACTERIA IN SOLUTIONS WITH HIGH COPPER ION CONCENTRATION |
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