Table 1. Oligonucleotides used in this study.

Name	Sequence (5′ 3′)	Purpose
PANR8	TCTGCGTGGAAGTATGAGC	To determine the presence/absence of pHly152
NBM18	CCATGCTGATGTGGCGCTTA
PANR1	GATGATGCCACAAAATGGAT	To determine which recombination took place
PANR6	TTCCTGACACAGAACCGTAA
NBM1	ACTCAGGAAACCGTAGTACCT	To sequence pANN202-312R
NBM3	GTAAAAGCCGCGAGGACAACG
NBM4	GAAGCCAAGTCAAACAACAG
NBM5	GCTGCTTCCTTCAACTGCCA
NBM6	GGATTGCGCACCGGAAACCC
NBM8	GATGCTTCCCCGTTTTGCCG
NBM12	TATGACGCCACCCTACCAGT
NBM14	CATTGCCATTGAAGCGGAGC
RECAH1	CAGAACATATTGACTATCCGGTATTACCCGGCATGACAGGAGTAAAAATGGTGTAGGCTGGAGCTGCTTC	To construct recA mutants
RECAH2	ATGCGACCCTTGTGTTACAAACAAGACGATTAAAAATTTCGTTAGTTTCCATATGAATATCCTCCTTAGT
RECAUP	CTTGTGGCAACAATTTCTACA	To check for recA mutation
RECADOWN	TCATGGCATATCCTTACAACT
RPOSUP	TGCCGCAGCGATAAATCG	To check for rpoS mutation
RPOSDOWN	CGGACCTTTTATTGTGCACAG