Table 2.
Transcriptomic (microarray) results for genes known to be involved in pigment biosynthesis and degradation
| Pigment biosynthesis | Accession number | Gene | Protein function | Fold change 3200 Gy | Fold change 5000 Gy |
|---|---|---|---|---|---|
| C-phycocyanin | ARTHROv5_11553 | cpcB | C-phycocyanin beta subunit | NS | NS |
| ARTHROv5_11554 | cpcA | C-phycocyanin alpha subunit | NS | NS | |
| ARTHROv5_11555 | cpcC1 | Phycobilisome linker polypeptide, phycocyanin-associated, rod 1 | NS | NS | |
| ARTHROv5_11556 | cpcC2 | Phycobilisome linker polypeptide, phycocyanin-associated, rod 2 | NS | 0.62 | |
| ARTHROv5_11557 | cpcD | Phycobilisome linker polypeptide, phycocyanin-associated, rod-capping | NS | 0.64 | |
| ARTHROv5_11558 | cpcE | Phycocyanin alpha subunit phycocyanobilin lyase | NS | NS | |
| ARTHROv5_11559 | cpcF | Phycocyanin alpha-subunit phycocyanobilin lyase | NS | NS | |
| ARTHROv5_40726 | cpcG | Phycobilisome rod-core linker protein | 0.56 | 0.32 | |
| ARTHROv5_60720 | cpcT | Chromophore lyase | NS | 0.34 | |
| ARTHROv5_11397 | nblB2 | Phycocyanin alpha phycocyanobilin lyase related protein | NS | NS | |
| ARTHROv5_50028 | nblB1 | Phycocyanin alpha phycocyanobilin lyase related protein | 1.86 | 1.80 | |
| ARTHROv5_61056 | nblA1 | Phycobilisome degradation protein | NS | NS | |
| ARTHROv5_61095 | nblA2 | Phycobilisome degradation protein | NS | 2.17 | |
| Allo-phycocyanin | ARTHROv5_10637 | apcA | Allophycocyanin alpha subunit | 0.59 | 0.19 |
| ARTHROv5_10636 | apcB | Allophycocyanin beta subunit | 0.27 | 0.13 | |
| ARTHROv5_10635 | apcC | Phycobilisome rod-core linker protein | 0.29 | 0.16 | |
| ARTHROv5_60056 | apcD | Allophycocyanin alpha subunit | NS | 0.53 | |
| ARTHROv5_61214 | apcE | Phycobiliprotein | NS | 0.51 | |
| ARTHROv5_12132 | apcF | Allophycocyanin beta subunit | 0.38 | 0.16 | |
| Chlorophyll | ARTHROv5_30766 | chlG | Chlorophyll a synthase | NS | 0.28 |
| ARTHROv5_30670 | por | chlorophyll synthase/NADPH-protochlorophyllide oxidoreductase | NS | 0.31 | |
| ARTHROv5_41143 | chlL | Light-independent protochlorophyllide reductase | 0.35 | 0.22 | |
| ARTHROv5_40946 | acsF | Aerobic Mg-protoporphyrin IX monomethyl ester | NS | 0.32 | |
| ARTHROv5_11499 | chlH | Mg chelatase H subunit | NS | 0.22 | |
| ARTHROv5_40768 | bchD | Mg-protoporphyrin IX chelatase, subunit D | NS | 0.14 | |
| ARTHROv5_61176 | bchI | (Mg-protoporphyrin IX chelatase (38 kDa subunit) | NS | NS | |
| ARTHROv5_60718 | GUN4 domain protein | NS | 0.36 | ||
| ARTHROv5_11688 | putative GUN4-like regulator | 0.28 | 0.39 | ||
| Carotenoid | ARTHROv5_10189 | putative Acyl-CoA dehydrogenase | 0.40 | 0.30 | |
| ARTHROv5_10200 | conserved hypothetical protein | 0.41 | 0.26 | ||
| ARTHROv5_10201 | conserved hypothetical protein | NS | 0.31 | ||
| ARTHROv5_10202 | putative Beta-carotene ketolase | 0.36 | 0.18 | ||
| Isoprenoid | ARTHROv5_40094 | ispD1 | 4-diphosphocytidyl-2-C-methyl-d-erythritol synthase | NS | 0.46 |
| ARTHROv5_11117 | ispE | 4-diphosphocytidyl-2-C-methyl- d-erythritol kinase | NS | 0.48 | |
| ARTHROv5_20267 | ispF | 2-C-methyl- d-erythritol 2,4-cyclodiphosphate synthase | NS | 0.46 | |
| ARTHROv5_30478 | ispD | 2-C-methyl- d-erythritol 4-phosphate cytidylyl transferase | NS | 0.22 | |
| ARTHROv5_30479 | hypothetical protein | 0.11 | 0.13 | ||
| ARTHROv5_60585 | ispG | 1-hydroxy-2-methyl-2-(E)-butenyl 4-diphosphate synthase | 0.22 | 0.17 | |
| Heme | ARTHROv5_50123 | hemC | Porphobilinogen deaminase | 0.41 | 0.38 |
| ARTHROv5_60626 | hemE | Uroporphyrinogen decarboxylase | 0.26 | 0.29 | |
| ARTHROv5_11660 | hemF | Coproporphyrinogen III oxidase | 0.45 | 0.35 | |
| ARTHROv5_10139 | hemG | Protoporphyrinogen oxidase | NS | 0.27 | |
| ARTHROv5_50161 | hemH | Ferrochelatase | 1.65 | 1.5 | |
| ARTHROv5_30029 | hemL | Glutamate-1-semialdehyde aminotransferase (aminomutase) | 0.29 | 0.12 |
The fold change (FC) values listed are only values for which P < 0.05, and are only considered biologically significant if FC > 2 or < 0.5. “NS” stands for statistically not significant differentially expressed (P ≥ 0.05).