Table 3.

Correlation between the presence of T. matsutake in Shiro⁺ soil and of actinobacterial OTUs in both Shiro⁺ and Shiro^+abv soils^a

Site	Soil layer	OTU code	Actinobacterial OTU	Family	Accession no.	Closest GenBank match	% Match	Significance by Fisher's exact test (2 sided)	Phi value
SF	Shiro+abv	A50	Thermomonosporaceae bacterium 2	Thermomonosporaceae	HQ204366	FJ037190	98 (612/626)	0.035	0.425
	Shiro+	A9	Leucobacter sp.	Microbacteriaceae	HQ204336	EF138947	98 (635/645)	0.024	−0.433
		A21	Mycobacterium sp. 4	Mycobacteriaceae	HQ204341	GU358074	99 (649/653)	0	−0.626
		A24	Uncultured actinobacterium 1		HQ204343	EF220614	98 (607/622)	0.025	−0.409
		A26	Actinomycetales bacterium 1		HQ204345	X92703	100 (621/623)	0.001	−0.57
		A28	Cellulomondaceae bacterium	Cellulomonadaceae	HQ204347	FJ626810	97 (514/528)	0.043	−0.372
		A30	Uncultured actinobacterium 3		HQ204349	FJ570524	99.5 (623/626)	0.079	−0.349
		A31	Uncultured actinobacterium 4		HQ204350	FJ570359	99 (607/612)	0.006	−0.507
		A32	Uncultured actinobacterium 5		HQ204351	EF220691	99.8 (614/615)	0.004	−0.497
		A37	Goodfellowiella sp.	Pseudonocardiaceae	HQ204356	DQ093349	97 (593/611)	0.007	−0.486
		A39	Actinospica sp. 2	Actinospicaceae	HQ204358	AJ865862	99 (633/642)	0.089	−0.349
WF	Shiro+abv	A31	Uncultured actinobacterium 4		HQ204350	FJ570359	99 (607/612)	0.061	0.69
		A35	Nocardia sp.	Nocardiaceae	HQ204354	EF538741	97 (546/565)	0.08	0.633
	Shiro+	A25	Streptomyces sp.	Streptomycetaceae	HQ204344	EU080938	97 (546/565)	0.088	0.607
		A29	Thermomonosporaceae bacterium 1	Thermomonosporaceae	HQ204348	EF663839	98 (619/632)	0.024	0.81
		A30	Uncultured actinobacterium 3		HQ204349	FJ570524	99.5 (623/626)	0.039	−0.624

^aBold indicates a positive correlation.