Table 1.

Comparison of Dehalococcoides mccartyi growth yields in axenic and in co-cultures amended with DMB.

culture	CN-Cbl (µg l−1)	DMBa	D. mccartyi 16S rRNA gene copies per ml			growth yield (cells per µmole Cl− released)
			inoculum	final	fold increasee
axenic cultures
BAV1	1	−	6.3 ± 2.0 × 106	1.3 ± 0.4 × 107b	2.1	1.4 ± 0.8 × 107
	25	−	6.3 ± 2.0 × 106	1.3 ± 0.2 × 108c	20.3	1.3 ± 0.1 × 108
GT	1	−	4.0 ± 0.5 × 106	2.1 ± 0.3 × 107b	5.4	5.3 ± 1.3 × 107
	25	−	4.0 ± 0.5 × 106	1.5 ± 0.1 × 108c	36.5	1.5 ± 0.3 × 108
FL2	1	−	2.4 ± 0.3 × 106	2.3 ± 0.7 × 106b	1.0	—f
	25	−	2.4 ± 0.3 × 106	3.7 ± 1.1 × 107c	15.3	4.4 ± 1.5 × 107
co-cultures
BAV1/KB-1	−	+	6.3 ± 2.0 × 106	1.9 ± 0.1 × 108d	29.8	2.1 ± 0.2 × 108
BAV1/Fusaro	−	+	6.3 ± 2.0 × 106	2.0 ± 0.1 × 108c	30.9	2.1 ± 0.2 × 108
GT/KB-1	−	+	4.0 ± 0.5 × 106	2.1 ± 0.3 × 108d	51.5	2.1 ± 0.3 × 108
GT/Fusaro	−	+	4.0 ± 0.5 × 106	1.6 ± 0 × 108c	41.0	1.8 ± 0.1 × 108
FL2/KB-1	−	+	2.4 ± 0.3 × 106	9.5 ± 1.6 × 107d	39.6	9.0 ± 1.4 × 107
FL2/Fusaro	−	+	2.4 ± 0.3 × 106	9.0 ± 2.7 × 107c	37.3	9.8 ± 2.1 × 107

^aDMB supplied at 10 µM.

^bBiomass collected at day 27.

^cBiomass collected at day 21.

^dBiomass collected at day 17.

^eData averaged from triplicates.

^fNo growth occurred.