TABLE 1. Primers used for detection and sequencing during this study Primer/Probe name,Specificity,Sequence 5′–3′ FlaF,Flagellin forward,CTAGTGGGCATAGAATTAATCGTGC FlaR,Flagellin reverse,GCTTGGGATAACCCTCTAATTTGA FlaP,Flagellin probe,Fam-TGGTATGGGTGTTGCTGGGAAAATTACG-bhq1 RF-RecA-F,recA forward,TCGTCTTGAAGTTAGAAAGGTTGAGCA RF-RecA-R,recA reverse,GTTCATTTGCAAGGGCTTTTTCATT CompF,recA forward,CCTCACTCTTCGAAATATCAACTG CompR,recA reverse,GGAATTGCGGCTTTTATTGA RecA nest,recA forward,TACGAAAAGGAGGTGCCACT RecA nest,recA reverse,AAGAAAAAGCCATTGAACTTG RF-RecA-F aug1,recA forward,CTTTGATGCCACAAGCAGAA RF-RecA-R aug1,recA reverse,CCTCACTCTTCGAAATATCAACTG RF-RecA-F aug2,recA forward,AGAAATTGATGGCGAGATGG RF-RecA-R aug2,recA reverse,TTTTCCTCACTCTTCGAAATATCA RF-RecA-F aug3,recA forward,CTTTGATGCCACAAGCAGAA