Primers for qPCR (Supplied in Additional file 1: Table S1) |
Primers for gene knockout (Extended sequences for overlap are marked with underline) |
EmrB-up-F |
TTAACTAGACAGATCTATTTCTATTTTGGCTTGTCGTT |
This study |
EmrB-up-R |
AAAATCCCTTAACGTGAGTTCCTTTTGTTGGCGTTTGC |
This study |
EmrB-down-F |
CCGAAAAGTGCCACCTGAAATATGGTGGTCAAGAAGGCG |
This study |
EmrB-down-R |
GGGCGATATCGGATCCCTGGATACAGCATGTGGAAAC |
This study |
EmrA-up-F |
TCGATGCATGCCATGGAAATGTCAGCAACTTCTTCAGG |
This study |
EmrA-up-R |
AAAATCCCTTAACGTGAGTTAATAAAAGCCAGCAATCCCAAT |
This study |
EmrA-down-F |
CCGAAAAGTGCCACCTGAAATCCTGGAATGAACGCTGAAG |
This study |
EmrA-down-R |
GGGCGATATCGGATCCAAATAGATACGCCGTAATTGGTA |
This study |
npt II-F |
AACTCACGTTAAGGGATTTTGG |
This study |
npt II-R |
TTTCAGGTGGCACTTTTCG |
This study |
Strains used in this study |
S. aureus LZ-01 |
S. aureus LZ-01 is the isolated objective strain |
Zhang et al. (2013) |
S. aureus ATCC 25923 |
S. aureus ATCC 25923 is a purchased standard strain |
Purchased from CCTCC |
S. aureus RN4220 |
Initial recipient for modification of reconstructed plasmids |
Augustin and Götz (1990) |
E.coli. Top 10 |
E.coli. Top10 is used as a host for vector replication |
University of Chicago |
ΔemrB
|
ΔEmrB is S. aureus LZ-01 mutant strain with deletion of emrB
|
This study |
ΔemrA
|
ΔEmrA is S. aureus LZ-01 mutant strain with deletion of emrA
|
This study |
CB |
S. aureus CB is the complemented strain for ΔemrB
|
This study |
CA |
S. aureus CA is the complemented strain for ΔemrA
|
This study |
Plasmids |
pMAD |
pMAD is a shuttle vector used for gene knockout of S. aureus
|
Arnaud et al. (2004) |
pET-30a |
pET-30a used for clone of npt II gene |
Purchased |