Table 2. Differential-enrichment of diatom transporters in metatranscriptomes of western Antarctic Peninsula communities.
| Family | Substrate | Hit accession | Description | BFS | WKI | WDS |
|---|---|---|---|---|---|---|
| ATP-binding cassette (ABC) | Fe | K02016 | iron complex transport system substrate-binding protein (ABC.FEV.S) | 35.40 | 11.17 | 0 |
| ATP-binding cassette (ABC) | unknown | K05643 | subfamily A (ABC1), member 3 | 0 | 53.05 | 2.60 |
| ATP-binding cassette (ABC) | unknown | K05655 | subfamily B (MDR/TAP), member | 0 | 20.94 | 0 |
| ATP-binding cassette (ABC) | unknown | K05658 | subfamily B (MDR/TAP), member | 23.89 | 76.79 | 6.93 |
| ATP-binding cassette (ABC) | unknown | K05665 | subfamily C (CFTR/MRP), member 1 | 0 | 47.47 | 0.87 |
| ATP-binding cassette (ABC) | unknown | K05673 | subfamily C (CFTR/MRP), member 4 | 1.77 | 33.51 | 3.47 |
| Solute carrier (SLC) | Glutamate | K05614 | SCF 1 (glial high affinity glutamate transporter),member 3 | 0 | 32.11 | 0 |
| Solute carrier (SLC) | Cation | K13749 | SCF 24 (sodium/potassium/calcium exchanger),member 1 | 31.86 | 0.00 | 3.47 |
| Solute carrier (SLC) | ATP/ADP | K05863 | SCF 25 (mitochondrial carrier; adenine nucleotide translocator) | 38.05 | 68.41 | 157.75 |
| Solute carrier (SLC) | Amino acid | K13576 | Sodium-coupled neutral amino acid transporter 3 | 32.74 | 0 | 6.07 |
| Major Facilitator; SP family | Sugar | K08137 | MFS transporter, SP family, galactose:H+ symporter | 0 | 79.58 | 0 |
| Major Facilitator; NNP family | Nitrate/Nitrite | K02575 | MFS transporter, NNP family, nitrate/nitrite transporter | 6.19 | 79.58 | 7.80 |
| Amt | NH4+ | K03320 | Ammonium transporter | 131.85 | 8.38 | 7.80 |
| SSS | Urea | K03307 | Solute:Na+ symporter, (urea transporter) | 260.16 | 54.45 | 9.53 |
| SIT | Si | PF03842 | Silicon transporter | 252.20 | 62.83 | 5.20 |
| PNaS | PO43− | K03324 | Phosphate:Na+ symporter | 34.51 | 16.75 | 0 |
| ZIP | Fe | IPR003689 | Zinc/iron permease | 45.00 | 19.00 | 71.00 |
| P-ATPase | Cation | K01552 | Arsenite-transporting ATPase | 134.51 | 18.15 | 24.27 |
Normalized read counts per hit accession are shown for BFS, WDS and WKI. Enrichment is indicated in bold (R statistic of Stekel, 2000).
Abbreviations: BFS, Bransfield Strait; WDS, Weddell Sea; WKI, Wilkins Ice Shelf.