Proline Transport and Growth Changes in Proline Transport Mutants of Staphylococcus aureus
Abstract
:1. Introduction
2. Materials and Methods
2.1. Bacterial Strains, Media, and Growth Conditions
2.2. Transduction
2.3. Radioactive Proline Uptake Assay
2.4. Statistics
3. Results
3.1. Testing Proline Uptake in Single, Double and Triple Mutant Strains
3.2. Growth Differences Occur When Two or More Proline Transported Systems Are Mutated
4. Discussion
5. Conclusions
Funding
Data Availability Statement
Acknowledgments
Conflicts of Interest
References
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Strain/Plasmid | Description | Reference |
---|---|---|
S. aureus | ||
3856 | Newman proP::mariner (EmR) | [22] |
6464 | Newman opuD::mariner (EmR) | [22] |
16F-157 | RN6390 putP::Tn917 | [10] |
RN4220 | Transformation-efficient S. aureus strain | [23] |
RN4220 putP | RN4420 putP::Tn917 | This study |
SaBS4-2 | RN4220 proP::mariner | This study |
SaBS6-1 | RN4220 proP::mariner, putP::Tn917 | This study |
SaBS7-1 | RN4220 opuD::Km (KmR) | [19] |
SaBS8-1 | RN4220 opuD::Km, proP::mariner | This study |
SaBS10-12 | RN4220 opuD::Km, proP::mariner, putP::Tn917 | This study |
SaBS12-1 | RN4220 opuD::Km, putP::Tn917 | This study |
Proline Uptake (nmol/mg Protein) a | |||
---|---|---|---|
Strains | Genotype | 2.5 μM | 400 μM |
RN4220 | Wild type | 48.6 + 8.7 b | 796 ± 109 |
RN4220 putP | putP::Em Cm | 18.4 + 1.0 | 572 ± 104 |
SaBS4-2 | proP::Em | 34.55 + 8.3 | 510 ± 149 |
SaBS6-1 | proP::Em, putP::EmCm | 13.7 + 1.7 | 163 ± 13 |
SaBS7-1 | opuD::Km | 37.1 + 6.1 | 505 ± 104 |
SaBS8-1 | opuD::Km, proP::Tc | 32.9 + 8.3 | 352 ± 88 |
SaBS10-12 | opuD::Km, proP::Em, putP::Em | 4.4 + 0.4 | 102 ± 26 |
SaBS14-1 | opuD::Km, putP::EmCm | 12.8 + 2.4 | 155 ± 18 |
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Schwan, W.R. Proline Transport and Growth Changes in Proline Transport Mutants of Staphylococcus aureus. Microorganisms 2022, 10, 1888. https://doi.org/10.3390/microorganisms10101888
Schwan WR. Proline Transport and Growth Changes in Proline Transport Mutants of Staphylococcus aureus. Microorganisms. 2022; 10(10):1888. https://doi.org/10.3390/microorganisms10101888
Chicago/Turabian StyleSchwan, William R. 2022. "Proline Transport and Growth Changes in Proline Transport Mutants of Staphylococcus aureus" Microorganisms 10, no. 10: 1888. https://doi.org/10.3390/microorganisms10101888