Table 2.

Oligonucleotide primers used in this study

Primer name	Oligonucleotide (5′‐3′)
g‐folA‐f	ATGATCAGTCTGATTGCGGCGTTAG
g‐folA‐r	TTACCGCCGCTCCAGAATCTCAAAG
g‐folC‐f	ATGATTATCAAACGCACTCCTCAAG
g‐folC‐r	TTACTTGCCACCGCTTCTCCTCGCG
g‐metE‐f	TGACAATATTGAATCACACCCTC
g‐metE‐r	ATTGTTCACCTTTCACTTTCCCC
g‐metH‐f	GTGAGCAGCAAAGTGGAACAACT
g‐metH‐r	TTTGGTGGACTCTCGATAAGCCG
rt‐16s‐f	TTTGAGTTCCCGGCC
rt‐16s‐r	CGGCCGCAAGGTTAA
rt‐lsrR‐f	CGGATCGCGTGGTTTT
rt‐lsrR‐r	TCAACATATGCGCCGC
rt‐folA‐f	GTAACGTGGGTGAAGTCGGT
rt‐folA‐r	TCAGCATCGTGGAATTCGCT
rt‐folC‐f	TGAAACCAGCGCCATTTGTG
rt‐folC‐r	CTGCTTGAACAGCCACAACG
rt‐luxS‐f	TCACAGTCGATCATACCCGG
rt‐luxS‐r	CTTCTTTGTTCGGCACGCAG
rt‐metE‐f	CCTGCGTCGCGAGCTGAAAA
rt‐metE‐r	GTTGATCCCAGTGACGAGCA
rt‐metH‐f	TGGAACAACTGCGTGCGCAG
rt‐metH‐r	AGTCGGCAAAGCGTTCACCA
p‐folA‐f	TAAAGAGTGACGTAAATC
p‐folA‐r	TGAGATTTCCCGATAAAA
p‐folC‐f	AATCTGCCAGCGCCGAAT
p‐folC‐r	GGTATCCGCTGATTCGTT