D.E. Taylor , W. Yan , L.-K. Ng , E.K. Manavathu , P. Courvalin
{"title":"Genetic characterization of kanamycin resistance in Campylobacter coli","authors":"D.E. Taylor , W. Yan , L.-K. Ng , E.K. Manavathu , P. Courvalin","doi":"10.1016/0769-2609(88)90071-3","DOIUrl":"10.1016/0769-2609(88)90071-3","url":null,"abstract":"<div><p>The restriction map of plasmid pIP1433 from <em>Campylobacter coli</em> BM2509, isolated in France, was constructed and the location of the kanamycin (Km) and tetracycline (Tc) resistance markers determined using probes for <em>aphA-3</em> and <em>tetO</em> genes, respectively. These DNA probes were used to study a second Km- and Tc-resistant strain <em>C. coli</em> UA696, isolated in Canada. In this strain, the Km resistance determinant was located in the chromosome. Like pIP1433, the Km resistance determinant in <em>C. coli</em>UA696 specified a 3'-aminoglycoside phosphotransferase of type III whereas the <em>tetO</em> gene was located on a non-transmissible plasmid.</p></div>","PeriodicalId":77666,"journal":{"name":"Annales de l'Institut Pasteur. Microbiology","volume":"139 6","pages":"Pages 665-676"},"PeriodicalIF":0.0,"publicationDate":"1988-11-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://sci-hub-pdf.com/10.1016/0769-2609(88)90071-3","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"13993493","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
{"title":"Gene heterogeneity for resistance to macrolides, lincosamides and streptogramins in Enterobacteriaceae","authors":"C Mabilat, P Courvalin","doi":"10.1016/0769-2609(88)90072-5","DOIUrl":"10.1016/0769-2609(88)90072-5","url":null,"abstract":"<div><p>La distribution des gènes <em>ermA</em>, <em>B</em>, <em>C</em>, <em>D</em> et <em>F</em> de résistance aux macrolides, lincosamides et streptogramines de type B (MLS<sub>B</sub>), chez 105 souches d'enteronactéries hautement résistantes aux MLS<sub>B</sub>, a été étidiée par hybridation sur colonies. Le gène <em>ermC</em> a été détecté chez une souche de <em>Escherichia coli</em> (BM2576), et il apparaît qu'un minimum de 3 classes de gènes confèrent la résistance aux MLS<sub>B</sub> chez les entérobactéries. Ces résultats confirment l'existence de transfert d'information génétique dans les conditions naturelles des cocci à Gram-positif vers les bactéries à Gram-négatif. Dans le cas de <em>ermC</em>, il pourrait s'agir d'un transfert ancien avec adaptation subséquente au nouvel hôte.</p></div>","PeriodicalId":77666,"journal":{"name":"Annales de l'Institut Pasteur. Microbiology","volume":"139 6","pages":"Pages 677-681"},"PeriodicalIF":0.0,"publicationDate":"1988-11-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://sci-hub-pdf.com/10.1016/0769-2609(88)90072-5","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"14281053","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
{"title":"Mutagenèses et protéines","authors":"","doi":"10.1016/0769-2609(88)90082-8","DOIUrl":"https://doi.org/10.1016/0769-2609(88)90082-8","url":null,"abstract":"","PeriodicalId":77666,"journal":{"name":"Annales de l'Institut Pasteur. Microbiology","volume":"139 6","pages":"Page 733"},"PeriodicalIF":0.0,"publicationDate":"1988-11-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://sci-hub-pdf.com/10.1016/0769-2609(88)90082-8","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"136402714","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
{"title":"Effect of growth on surface charge and hydrophobicity of Staphylococcus aureus","authors":"G Beck , E Puchelle , C Plotkowski , R Peslin","doi":"10.1016/0769-2609(88)90070-1","DOIUrl":"10.1016/0769-2609(88)90070-1","url":null,"abstract":"<div><p>Modifications in the surface charge and hydrophobicity of <em>Staphylococcus aureus</em> Oxford during growth were studied by analysing electrophoretic mobility and adherence to hydrocarbons (hexadecane), respectively. Bacterial concentration had no effect upon the measurements. Both surface charge and hydrophobicity varied during the exponential phase of growth (1 to 4 h): surface charge decreased significantly (p < 0.001), while hydrophobicity increased (p < 0.001). In the stationary phase (4 to 9 h), the surface charge increased significantly (p < 0.001), whereas hydrophobicity showed no change. Cationized ferritin decreased the surface charge and had no effect on hydrophobicity. These results suggest that in <em>S. aureus</em>, different structures could be responsible for their surface charge and hydrophobic properties.</p></div>","PeriodicalId":77666,"journal":{"name":"Annales de l'Institut Pasteur. Microbiology","volume":"139 6","pages":"Pages 655-664"},"PeriodicalIF":0.0,"publicationDate":"1988-11-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://sci-hub-pdf.com/10.1016/0769-2609(88)90070-1","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"14379614","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}