Abstract
The carbazole-degradative plasmid pCAR2 was isolated from Pseudomonas putida and had a genetic structure similar to that of pCAR1, the IncP-7 archetype plasmid. Mating analyses of pCAR2 with various recipient strains showed that it could transfer from HS01 to Pseudomonas recipients: P. chlororaphis, P. fluorescens, P. putida, P. resinovorans and P. stutzeri. The range of recipients changed when different hosts were used as a donor of pCAR2. The range of the plasmid from strain HS01 was broader than that using P. resinovorans CA10dm4 or P. putida KT2440. When pCAR1 or pCAR2 was transferred from the same cell background, the range and frequency of conjugation were now similar. Quantitative RT-PCR analyses indicated that tra/trh genes on both plasmids were similarly transcribed in each donor strain suggesting that the conjugative machinery of both plasmids may function similarly, and that other host factors are affecting the recipient range and frequency of conjugation.
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Shintani, M., Habe, H., Tsuda, M. et al. Recipient Range of IncP-7 Conjugative Plasmid pCAR2 from Pseudomonas putida HS01 is Broader than from Other Pseudomonas Strains. Biotechnol Lett 27, 1847–1853 (2005). https://doi.org/10.1007/s10529-005-3892-1
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DOI: https://doi.org/10.1007/s10529-005-3892-1