Table 1. Affiliation of Actinobacteria strains isolated from marine samples.

Cluster (OTU)	Closest neighbors	Sim %	Strain number	Strain/ GenBank accession numbers	Source
1	Streptomyces griseochromogenes	99.86	3	KX641378	Niphates digitalis (Porifera)
			6	KX641383	Niphates digitalis (Porifera)
	Streptomyces violascens	99.86	13	KX641381	Sediment
			87	KX641385	Niphates digitalis (Porifera)
	Streptomyces resistomycificus	99.86	89.3	KX641386	Niphates digitalis (Porifera)
			89.4	KX641387	Niphates digitalis (Porifera)
	Streptomyces hydrogenans	99.86	161a	KX641396	Bryopsis sp. (Chlorophyta)
			161b	KX641397	Bryopsis sp. (Chlorophyta)
	Streptomyces albidoflavus	99.86	184	KX641399	Eunicea fusca (Gorgonacea)
			194	KX641400	Sediment
			208	KX641401	Eunicea fusca (Gorgonacea)
2	Streptomyces sp. MBRL172	99.03	182	KX641398	Amphiroa sp. (Rhodophyta)
3	Streptomyces sanyensis	99.72	5	KX641379	Niphates digitalis (Porifera)
			143	KX641389	Niphates digitalis (Porifera)
			144	KX641390	Niphates digitalis (Porifera)
			144a	KX641391	Niphates digitalis (Porifera)
			145	KX641392	Niphates digitalis (Porifera)
			148	KX641393	Niphates digitalis (Porifera)
			149	KX641394	Niphates digitalis (Porifera)
			149a	KX641395	Niphates digitalis (Porifera)
4	Streptomyces microflavus	99.86	46b	KX641384	Codium sp. (Chlorophyta)
	Streptomyces fulvorobeus	99.86
5	Streptomyces pratensis	100	9	KX641380	Dictyota sp. (Phaeophtyta)
6	Micromonospora chalcea	99.79	102N	KX641388	Dictyota sp. (Phaeophtyta)
	Micromonospora maritima	99.38
	Micromonospora sediminicola	99.15
	Micromonospora marina	99.44
7	Gordonia bronchialis	98.41	25	KX641382	Xestospongia sp.(Porifera)