Table 6. Amino acid transporter genes in Chlorella sp. A99 (A99), Chlorella variabilis NC64A (NC64A), Coccomyxa subellipsoidea C-169 (C169), Volvox carteri (Vc), Micromonas pusilla (Mp) and Ostreococcus tauri (Ot) and Chlamydomonas reinhardtii (Cr).
| A. The number of Pfam domains related to amino acids transport | |||||||
| Pfam domain name | A99 | NC64A | c169 | Cr | Vc | Mp | Ot |
| Aa_trans | 30 | 38 | 21 | 9 | 7 | 9 | 8 |
| AA_permease | 4 | 6 | 15 | 5 | 6 | 1 | 1 |
| B. Ortholog groups including Aa_trans domain containing genes overrepresented in symbiotic Chlorella | |||||||
| Ortholog group ID: Gene annotation | A99 | NC64A | c169 | Cr | Vc | Mp | Ot |
| OG0000040: amino acid permease 2 | 12 | 12 | 6 | 3 | 1 | 0 | 0 |
| OG0000324: transmembrane amino acid transporter family protein (solute carrier family 38, sodium-coupled neutral amino acid transporter) |
6 | 7 | 1 | 2 | 1 | 0 | 0 |