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Table 2 Primers used in this study

From: The CpxR regulates type VI secretion system 2 expression and facilitates the interbacterial competition activity and virulence of avian pathogenic Escherichia coli

Primers

Sequence (5′ to 3′)a

Target genes

For gene expression, deletion and complementation

 cpxREx-F

ACGGGATCCATGAATAAAATCCTGTTAGTTGATGA

cpxR

 cpxREx-R

ACCAAGCTTTGAAGCAGAAACCATCAGATAG

cpxR

 cpxRMu-F

GGATTAGCGACGTCTGATGACGTAATTTCTGCCTCGGAGGTATTTAAACAGTGTAGGCTGGAGCTGCTTC

Upstream region of cpxR

 cpxRMu-R

AAGATGCGCGCGGTTAAGCTGCCTATCATGAAGCAGAAACCATCAGATAGCATATGAATATCCTCCTTAG

Downstream region of cpxR

 cpxR-F

TTGATCTTCTGGACGACAGCA

cpxR

 cpxR-R

CTCAGTACCGGTTAACTCCAGT

cpxR

 cpxRCo-F

TCCGGATCCATATCAATAATTTCTTGCCGTTC

Upstream region of cpxR

 cpxRCo-R

CCCAAGCTTGGCCTGACCAATAAAGTTACG

Downstream region of cpxR

 nlpE-F

GAGCTCGAGGGTGAAAAAAGCGATAGTGA

nlpE

 nlpE-R

TTCGAATTCTGCCCCAAACTACTGCAATC

nlpE

For RT-qPCR

 dnaE RT-F

ATGTCGGAGGCGTAAGGCT

dnaE

 dnaE RT-R

TCCAGGGCGTCAGTAAACAA

dnaE

 hcp2B RT-F

GTGAAATGCTGCCGAAAGTG

hcp2B

 hcp2B RT-R

ACAATCGTCGCGTCAGTAAG

hcp2B

 vgrG RT-F

CGAAGACGCAGATGACGATAC

vgrG

 vgrG RT-R

GCGTGGATATAGACCTGTTCAC

vgrG

 xmtU RT-F

GGTGTCATATCCGGTACATCTC

xmtU

 xmtU RT-R

CTGAACCATGATAAGCAACAGG

xmtU

 vipA RT-F

TAACACGCCGTTGGATGAG

vipA

 vipA RT-R

GTTCAGCCGGAACAACAAAC

vipA

 clpV RT-F

GAGACGCTCGCTACCATTATT

clpV

 clpV RT-R

TGATTTCGTCCGTCACTTCC

clpV

 hcp2A RT-F

ACGAAACCGGTGGACAAA

hcp2A

 hcp2A RT-R

GGTTGGTGCGGTAGAATACA

hcp2A

For lacZ fusion and EMSA

 Phcp2B-F

TCTAAGCTTAGCTTATGTAATCGTGTTCTGAA

Upstream region of hcp2B

 Phcp2B-R

GACGGATCCTTGAAATGTAACATGGGGTTGG

hcp2B

 Phcp2BEMSA-F

AGCTTATGTAATCGTGTTCTG

Upstream region of hcp2B

 Phcp2B EMSA-R

CATGGGGTTGGCATTTATGAA

hcp2B

 Phcp2BdeletionEMSA-F

TTGACTAAAAATATATTTAAAC

Upstream region of hcp2B

  1. aRestriction sites are underlined.