Diversity in phosphorus mobilisation and uptake in ectomycorrhizal fungi

Table 3 Kinetic parameters of the high-affinity Pi uptake system in intact mycorrhizal and non-mycorrhizal P. sylvestris root systems

Plant age (weeks)	Inoculation treatment	Apparent K _m (μM Pi)	Apparent V _max (nmol g⁻¹ s⁻¹)
7	Paxillus involutus	3.5 (2.4–4.5)^a	0.57 (0.50–0.66)
	Suillus bovinus	7.5 (5.1–10.1)	0.49 (0.45–0.55)
	Thelephora terrestris	8.7 (6.5–10.1)	0.13 (0.09–0.17)
9	Paxillus involutus	5.9 (4.1–7.2)	0.62 (0.48–0.70)
	Suillus bovinus	10.2 (7.2–12.3)	0.52 (0.48–0.54)
	Thelephora terrestris	7.3 (4.6–9.9)	0.15 (0.10–0.19)
	None (non-mycorrhizal)	12.1 (7.8–16.4)	0.08 (0.07–0.10)

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