TABLE 1.

Phytoplankton cultures analyzed to determine the phylogenetic identities of their bacterial associates

Species	Source	Taxonomic class	Medium	Strain or CCMP no.^a	Toxicity	Year isolated	Location of isolation
Species	Source	Taxonomic class	Medium	Strain or CCMP no.^a	Toxicity	Year isolated	Latitude	Longitude
Alexandrium fundyense	Gulf of Maine	Dinophyceae	f/2	38.3	Yes	1993	43°30′N	70°6′W
Alexandrium fundyense	Gulf of Maine	Dinophyceae	f/2	48.1	Yes	1993	43°2′N	70°39′W
Alexandrium fundyense	Gulf of Maine	Dinophyceae	f/2	48.2	Yes	1993	43°2′N	70°39′W
Alexandrium fundyense	Gulf of Maine	Dinophyćeae	f/2	5.6	Yes	1993	43°44′N	69°22′W
Alexandrium fundyense	Gulf of Maine	Dinophyceae	f/2	CB301	Yes	1998	43°30′N	69°53′W
Alexandrium tamarense	France	Dinophyceae	f/2	ATTL01	Yes	1998	43°23′N	3°36′E
Alexandrium tamarense	Bering Sea	Dinophyceae	f/2	ATRU 10/1	Yes	2000	61°7′N	172°16′E
Alexandrium tamarense	Bering Sea	Dinophyceae	f/2	ATRU 4/1	Yes	2000	61°21′N	170°38′E
Alexandrium minutum	Portugal	Dinophyceae	f/2	GTPORT	Yes	NA^b	39°24′N	9°13′W
Alexandrium tamarense	Japan	Dinophyceae	f/2	OK905-7	Yes	1990	39°5′N	141°51′E
Chaetoceros cf. tortissimus	Gulf of Maine	Coscinodiscophyceae	f/2	1601	No	1993	43°51′N	69°38′W
Chlorarchnion cf. sp.	Gulf of Maine	Chlorarchniophyceae	K	1258	No	1980	43°N	69°W
Emiliana huxleyi	Gulf of Maine	Prymnesiophyceae	L1	377	No	1988	43°N	68°W
Micromonas pusilla	Gulf of Maine	Prasinophyceae	L1	485	No	1989	43°51′N	69°38′W
Nanochloropsis granulata	Gulf of Maine	Eustigmatophyceae	f/2-Si	534	No	1986	43°51′N	69°38′W
Phaeocystis cf. globosa	Gulf of Maine	Prymnesiophyceae	L1	1805	No	1997	42°30′N	68°W
Prorocentrum minimum	Gulf of Maine	Dinophyceae	f/2-Si	699	Yes	1988	43°51′N	69°38′W
Pseudopedinella elastica	Gulf of Maine	Dictyochophyceae	Prov	716	No	1988	43°N	68°W
Rhodomonas sp.	Gulf of Maine	Cryptophyceae	K	763	No	1986	44°27′N	67°52′W
Scrippsiella sp.	Gulf of Maine	Dinophyceae	f/2-Si	772	No	1959	33°11′N	65°15′W
Skeletonema costatum	Woods Hole	Coscinodiscophyceae	f/2	780	No	1974	41°32′N	70°40′W
Tetraselmis sp.	Gulf of Maine	Prasinophyceae	K	1267	No	1982	43°49′N	69°40′W
Thalassiosira cf. gravida	Gulf of Maine	Coscinodiscophyceae	f/2	1543	No	1992	43°51′N	69°38′W

↵a CCMP, Provasoli-Guillard National Center for Culture of Marine Phytoplankton.
↵b NA, not available.