Table 7.
General features of thermophilic and alkaliphilic actinobacteria genome.
| Actinobacteria | Genome size (Mbp) | GC content (%) | Protein-coding genes | Genes involved in secondary metabolites metabolism | Genes involved in carbohydrate transport and metabolism | Unique characteristic | References |
|---|---|---|---|---|---|---|---|
| Thermobifida fusca YX | ~3.64 | 67.5 | 3117 | – | – | It produces ~45 glycoside hydrolases | Lykidis et al., 2007 |
| Acidothermus cellulolyticus 11B | ~2.44 | 66.9 | 2157 | – | – | It harbors a large array of industrial important enzymes | Barabote et al., 2009 |
| Thermobispora bispora R51T | ~4.2 | 72.43 | 3596 | 85 | 221 | It contains two distinct transcriptionally active 16S rRNA genes | Liolios et al., 2010 |
| Thermomonospora curvata B9T | ~5.64 | 71.64 | 4985 | 181 | 161 | It produces many bioactive compounds and thermostable enzymes | Chertkov et al., 2011 |
| Corynebacterium efficiens | ~3.15 | 63.4 | 2950 | – | – | It produces industrially important amino acids | Nishio et al., 2003 |
| Rubrobacter radiotolerans RSPS-4 | ~3.2 (circular genome and three plasmids) | 66.91 | 3214 | 37 | 162 | Extreme radiotolerant and moderately thermophilic actinobacterium | Egas et al., 2014 |
| Acidimicrobium ferrooxidans ICPT | ~2.16 | 68.29 | 2038 | 34 | 87 | Iron reducing acidothermotolerant | Clum et al., 2009 |
| Saccharomonospora viridis P101T | ~4.31 | 67.32 | 3906 | 139 | 214 | Causative agent of Farmer lung disease | Pati et al., 2009 |
| Saccharopolyspora rectivirgula | ~3.98 | 68.9 | 3840 | – | – | Causative agent of Farmer lung disease | Pettersson et al., 2014 |
| Arthrobacter sp. Strain IHBB 11108 | 3.6 (circular genome and plasmid) | 58.97 | 3454 | – | – | It produces alkalistable proteases | Kiran et al., 2015 |