Table 2.

Contribution of the most abundant prokaryotic taxa (out of 2,999 total) to Amazon Plume metagenomes and metatranscriptomes

Genome binGenes per LPA genes, %% of total genesGenes in reference genomeGenome equivalents per L% of cell count*Protein % identityTranscripts per LPA transcripts, %% of total transcripts
Synechococcus sp. CB02051.60 × 101239.0915.962,7195.87 × 10810.1389.51.90 × 101016.77.36
Candidatus Pelagibacter sp. HTCC72113.62 × 101130.993.631,4472.50 × 1084.3175.92.07 × 10952.80.80
Gammaproteobacterium HTCC20802.51 × 101127.722.533,1857.89 × 1071.3671.28.25 × 10930.93.20
Synechococcus sp. CB01011.50 × 101140.691.503,0104.98 × 1070.8687.82.83 × 10919.51.10
Gammaproteobacterium NOR51-B1.48 × 101127.901.492,9305.05 × 1070.8770.77.18 × 10934.72.78
Synechococcus sp. RS99161.24 × 101146.201.242,9614.20 × 1070.7283.92.91 × 10926.61.13
Muricauda ruestringensis DSM132589.81 × 101029.320.993,4322.86 × 1070.4969.33.46 × 10948.51.34
Gammaproteobacterium HTCC21489.05 × 101029.290.913,8272.37 × 1070.4166.22.63 × 10935.61.02
Fluviicola taffensis DSM 168237.55 × 101050.560.754,0331.87 × 1070.3264.47.23 × 10941.92.80
Haliscomenobacter hydrossis DSM11007.55 × 101049.870.756,8581.10 × 1070.1961.71.90 × 10948.20.74
Kordia algicida OT-17.46 × 101034.220.754,5141.65 × 1070.2967.51.91 × 10948.00.74
Gammaproteobacterium IMCC30886.52 × 101027.830.652,8552.28 × 1070.3967.61.98 × 10935.30.77
Gammaproteobacterium HTCC22076.34 × 101027.140.642,3882.66 × 1070.4662.42.26 × 10923.70.88
Zobellia galactanivorans6.29 × 101030.770.634,732s1.33 × 1070.2368.61.80 × 10944.60.70
Erythrobacter litoralis HTCC25946.27 × 101062.520.623,0112.08 × 1070.3676.93.36 × 10945.31.30
Total33.044.87 × 108*21.3926.66
  • Data are based on replicates ACM3, ACM4, ACM11, and ACM12, and size fractions are summed.

  • * Genome equivalents for the 250 most abundant taxa (75% of prokaryotic genes) = 2.7 × 109. The direct cell count at station 10 was 5.80 × 109 cells⋅L−1.