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Table 1 Primers used in this study

From: Regulation of CcpA on the growth and organic acid production characteristics of ruminal Streptococcus bovis at different pH

Primer names

Primer sequences (5′-3′)

Purpose of use

Product length (bp)

Reference or source

ccpA up-F

TGTAAAACGACGGCCAGTGAATTCGTTCCAAGGTCAAACAAAAGTAGAG

Construction of ccpA-knockout mutant

1053

This study

ccpA up-R

AAGCTGTCAAACATGAGAATTAGAGCTCTATTGGACTTCCTTTCTATTTG

  

ccpA down-F

AGCTTTTGCTAAAGAAGAATTGGATCCTTTCCAAAAAGGATACTATGAC

Construction of ccpA-knockout mutant

1101

This study

ccpA down-R

CAAGCTTGCATGCCTGCAGGTCGACGCAACTTTATCAATGCTACGAC

  

erm-F

CAAATAGAAAGGAAGTCCAATAGAGCTCTAATTCTCATGTTTGACAGCTT

Construction of ccpA-knockout mutant

1207

This study

erm-R

GTCATAGTATCCTTTTTGGAAAGGATCCAATTCTTCTTTAGCAAAAGCT

  

ccpA 1-F

TGGTGAATCATTACTTGTAAGA

Verification of ccpA-knockout mutant

426

This study

ccpA 1-R

GAGTTCTCTCGCTCACGCACAC

  

ccpA 2-F

AAACCTTCTTTCTAATTACCCC

Verification of ccpA-knockout mutant

1827

This study

ccpA 2-R

GGCATAAATCGGCTTGTCAACG

  

16S-F

GAACACCGGTGGCGA

RT-qPCR

 

Asanuma et al. [23]

16S-R

CTCATCGTTTACGGCG

  

pfl-F

GGTTACATCTACGACTACGA

RT-qPCR

119

Chen et al. [10]

pfl-R

TGGCTACGAAGACGAGTA

  

ldh-F

GGTTCTTCTTACGCATTCG

RT-qPCR

190

Chen et al. [10]

ldh-R

TAACTACAAGGTCAGCATCT

  

α-amy-F

TCAAGCACTGGAA TCAACTA

RT-qPCR

109

Chen et al. [10]

α-amy-R

GCCGTAA TAA TCTCCGTAGA

  

ack-F

TGGCCAGAAACAGTCGGAAA

RT-qPCR

134

This study

ack-R

CTACCACACGGTGACCAACA