Excised Band Substrate Division (or subdivision) Nearest Taxon Accession no. Similarity (%)
1 LH Gammaproteobacteria Alcanivorax sp AB681379 100
2 LH Alphaproteobacteria Roseobacter sp DQ659413 99
3 LH Firmicutes Bacillus cereus JQ435695 98
4 LH Alphaproteobacteria Brevundimonas sp JQ396620 100
5 LH Firmicutes Bacillus sp AB715354 100
6 LH Gammaproteobacteria Pseudomonas anguilliseptica JX177683 100
7 LH Actinobacteria Rothia mucilaginosa NR044873 100
8 LH Firmicutes Lysinibacillus sp JN224968 100
9 LH Actinobacteria Rhodococcus aetherivorans JQ040007 100
10 LH Alphaproteobacteria Methylobacterium sp GQ342553 100
11 LH Bacteroidetes Chryseobacterium sp DQ673675 98
12 UH Gammaproteobacteria Alcanivorax sp EU052761 99
13 UH Gammaproteobacteria Roseobacter sp DQ659414 99
14 UH Gammaproteobacteria Marinobacter sp JN106685 97
15 UH - Uncultured bacterium JX255122 100
16 UH Alphaproteobacteria Marivita sp HQ871858 97
17 LH Gammaproteobacteria Enterobacteriaceae AB715425 99
18 LH Betaproteobacteria Neisseria sp CQ900862 98
19 LH Firmicutes Streptococcus sp JX861486 99
-* NS Alphaproteobacteria Ruegeria FN821687 92
-* NS Epsilonproteobacteria Uncultured Arcobacteria AY697901 99
-* NS Epsilonproteobacteria Arcobacteria   FR870464 97
LH= Labeled hexadecane, UH= unlabeled hexadecane, NS= no substrate, - means no data, * means excised from seawater only.
Table 2B: Summary of bacterial 16S rRNA partial sequences obtained from excised DGGE profiles (Figure 1B) of unlabeled and labeled hexadecane microcosms.