Table 1

Primer	Primer pair	Sequence 5’ – 3’
XB1	762bp forward	CAGACTCCTACGGGGAGGCAGCAGT
PSR	762bp reverse	ACTTAACCCAACATCTCACGACAC
PSL	598bp forward	AGGATTAGATACCCTGGTAGTCCA
XB4	598bp reverse	GTGTGTACAAGGCCCGGGAAC

Table 1: Forward and reverse primer pairs for the short-fragment 16S rRNA PCR.