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. 2001 Jun;67(6):2469–2475. doi: 10.1128/AEM.67.6.2469-2475.2001

TABLE 1.

Percent total heterotrophs isolated from the root interior or the rhizosphere that were positive for selected catabolic gene probes in three different treatments of a petroleum hydrocarbon phytoremediation study

Plant species % Total heterotrophs (SD)a
alkB
ndoB
xylE
Root interior Rhizosphere Root interior Rhizosphere Root interior Rhizosphere
Tall Fescue 2.69 (0.1674) 1.38 (0.1349) 0.285 (0.05515) 7.93 (0.3125) 0.233 (0.04988) 0.140 (0.04324)
Rose clover 3.54 (0.1912) 2.52 (0.1813) 0.101 (0.03286) 1.69 (0.1491) 0.242 (0.05083) 0.440 (0.07655)
Composite of mixture 2 3.64 (0.1937) 2.21 (0.1700) 0.038 (0.02016) 2.17 (0.1685) 0.086 (0.0303) 0.000
a

The standard deviation of the binomial distribution is presented in parentheses. The numbers of colonies assessed for gene presence in the root interior and rhizosphere were 9,345 and 7,476, respectively.