|  | whole-genome GC content | GC content at 4FDS | GC content at ZRS | ||||||
---|---|---|---|---|---|---|---|---|---|---|
 | No. of species | λ | Slope | P | λ | Slope | P | λ | Slope | P |
Aerobes + obligate aerobes (3) vs. anaerobes + obligate anaerobes (2) | 884 | 1.0 | 0.44 | 0.552 | 1.0 | −0.25 | 0.882 | 1.0 | 0.42 | 0.153 |
Aerobe (3) vs. anaerobe (2) | 799 | 1.0 | 0.34 | 0.661 | 1.0 | −0.29 | 0.865 | 1.0 | 0.36 | 0.239 |
Obligate aerobes (3) vs. obligate anaerobes (2) | 85 | 1.0 | 8.82 | 0.004 | 1.0 | 15.0 | 0.023 | 1.0 | 4.36 | 6 × 10−4 |
Obligate aerobes (3) vs. anaerobes (2) | 333 | 1.0 | 5.21 | 0.001 | 1.0 | 7.87 | 0.037 | 1.0 | 4.50 | 0.005 |
Obligate aerobes (3) vs. aerobes (2) | 546 | 1.0 | 1.47 | 0.014 | 1.0 | 3.19 | 0.014 | 1.0 | 2.13 | 0.324 |
Aerobes (3) vs. obligate anaerobes (2) | 551 | 1.0 | 3.26 | 0.077 | 1.0 | 6.75 | 0.096 | 1.0 | −0.68 | 0.294 |
Anaerobes (3) vs. obligate anaerobes (2) | 338 | 1.0 | 0.86 | 0.407 | 1.0 | 3.50 | 0.143 | 1.0 | −2.26 | 0.225 |