TABLE 2.

Primers used in this study

Primer	Sequence	Target gene	Reference
16S-1F	AGCGGCGGACGGGTGAGTAATG		11
16S-485F	CAGCAGCCGCGGTAA		11
16S-1100R	GGGTTGCGCTCGTTG	16S rDNA	11
16S-1509R	AAGGAGGGGATCCAGCCGCA		11
16S-PB36	AGRGTTTGATCMTGGCTCAG		4
atpD-273F	SCTGGGSCGYATCMTGAACGT		7
atpD-771R	GCCGACACTTCCGAACCNGCCTG	ATP synthase beta-subunit	7
atpD-294F	ATCGGCGAGCCGGTCGACGA		7
GSII-1	AACGCAGATCAAGGAATTCG		34
GSII-2	ATGCCCGAGCCGTTCCAGTC		34
GSII-3	AGRTYTTCGGCAAGGGYTC	Glutamine synthetase II	34
GSII-4	GCGAACGATCTGGTAGGGGT		34
recA-6F	CGKCTSGTAGAGGAYAAATCGGTGGA		7
recA-555R	CGRATCTGGTTGATGAAGATCACCAT		7
recA-63F	ATCGAGCGGTCGTTCGGCAAGGG	DNA recombinase A	7
recA-504R	TTGCGCAGCGCCTGGCTCAT		7
recA-BF	CGTACTGTCGAAGGTTCTTCCATGGA		This study