Primer or Probe	Sequence	Reference
GF3	aamycggaggaaggtggggatg	This study
GR1	ggccattgtagcacgtgtgt	This study
Gram+P	6-FAM-acgtcaaatcatcatgccccttatgtc-TAMRA	Modified from Greisen et al. (1994)
f8–27	agagtttgatcctggctcag	Eder et al. (1999)
r1510	ggttaccttgttacgactt	Eder et al. (1999)
nu-SSU-0817-5′	ttagcatggaataatrraatagga	Borneman and Hartin (2000)
nu-SSU-1536-3′	attgcaatgcyctatcccca	Borneman and Hartin (2000)
NadF	tcctacgggaggcagcagt	Nadkarni et al. (2002)
NadR	ggactaccagggtatctaatcctgtt	Nadkarni et al. (2002)
UnivP	6-FAM-cgtattaccgcggctgctggcac-TAMRA	Nadkarni et al. (2002)