. 2010 Aug 19;3(5):564–575. doi: 10.1111/j.1751-7915.2010.00188.x

Table 1.

Bacterial groups isolated by plating seawater from the English Channel on selective media.

	SW^a	R2A^b	1% agar^c	Agarose^d	Noble agar^e	Actinomycete^f	Vibrio^g	Marine agar^h	+NH₄⁺ⁱ	+NO₂^‐^j	Casein^k	Bacterial extract^l	Specific substrate^m
Alphaproteobacteria (93 isolates)	5	5	15	24	6	5		2	24	3	4
Betaproteobacteria (1 isolate)	1
Gammaproteobacteria (391 isolates)	41	18	19	55	14	96	8	20	24	20	12	13	51
Actinobacteria (70 isolates)	2	1	8	16	11	29		1			1
Bacteroidetes (57 isolates)	6	6	11			16		3	5	6	3
Firmicutes (23 isolates)		4	1	2		12	1	3
Environmental sequences (16 isolates)	1	1		1		3	1		6	3

^a.

Filtered seawater + 2.5% agar.

^b.

R2A media.

^c.

Filtered seawater + 1% agar (sloppy agar).

^d.

Filtered seawater + agarose.

^e.

Filtered seawater + Noble agar.

^f.

Actinomycete selection agar (Difco).

^g.

Vibrio selection agar (Difco).

^h.

Marine agar (Difco).

^i.

Filtered seawater + 1.5% agar + ammonium chloride (10 mmol l⁻¹).

^j.

Filtered seawater + 1.5% agar + sodium nitrite (10 mmol l⁻¹).

^k.

Filtered seawater + 1.5% agar + casein (10 mg ml⁻¹).

^l.

Filtered seawater + 1.5% agar + extract from an uncharacterized bacterial culture.

^m.

Specific substrates used were colonic acid, succinoglycan, laminarin and xanthan (10 mg ml⁻¹).