Stats for class Amphibia

Stats for total mtDNA (group size: 29 species)
GC (%) AT (%) G (bases) C (bases) A (bases) T (bases) Maximum lifespan (yrs)
Range (min-max) 31.6 - 43.1% 56.9 - 68.4% 3089 - 4995 1848 - 2966 4331 - 5959 4849 - 6748 5.0 - 102.0
Median 36.5% 63.5% 4038 2378 5203 5569 15.8
Average ± stdev 37.2 ± 3.6% 62.8 ± 3.6% 3958 ± 594 2398 ± 241 5124 ± 402 5558 ± 398 20.7 ± 18.2
Coefficient of variation 0.10 0.06 0.15 0.10 0.08 0.07 0.88
Pearson correlation
coefficient with log10MLS
0.12 -0.13 0.07 0.06 -0.20 -0.02 -
Pearson p-value
(two tailed)
5.50E-01 5.12E-01 7.10E-01 7.63E-01 3.03E-01 9.29E-01 -
Stats for total protein-coding genes (group size: 29 species)
GC (%) AT (%) G (bases) C (bases) A (bases) T (bases) Maximum lifespan (yrs)
Range (min-max) 31.0 - 44.5% 55.5 - 69.0% 2158 - 3438 1225 - 1748 2921 - 4011 2886 - 4070 5.0 - 102.0
Median 36.2% 63.8% 2691 1478 3546 3626 15.8
Average ± stdev 37.4 ± 4.1% 62.6 ± 4.1% 2745 ± 362 1488 ± 123 3541 ± 284 3557 ± 260 20.7 ± 18.2
Coefficient of variation 0.11 0.07 0.13 0.08 0.08 0.07 0.88
Pearson correlation
coefficient with log10MLS
0.15 -0.15 0.14 0.18 -0.19 -0.04 -
Pearson p-value
(two tailed)
4.35E-01 4.36E-01 4.72E-01 3.47E-01 3.25E-01 8.44E-01 -
Stats for D-loop (group size: 28 species)
GC (%) AT (%) G (bases) C (bases) A (bases) T (bases) Maximum lifespan (yrs)
Range (min-max) 27.3 - 38.4% 61.6 - 72.7% 121 - 986 64 - 586 235 - 1359 208 - 1317 5.0 - 102.0
Median 35.2% 64.9% 159 120 279 248 15.8
Average ± stdev 35.0 ± 2.8% 65.0 ± 2.8% 282 ± 219 183 ± 126 444 ± 313 422 ± 314 19.4 ± 17.3
Coefficient of variation 0.08 0.04 0.78 0.69 0.70 0.74 0.89
Pearson correlation
coefficient with log10MLS
-0.06 0.06 -0.00 0.01 0.02 0.11 -
Pearson p-value
(two tailed)
7.71E-01 7.63E-01 9.92E-01 9.59E-01 9.39E-01 5.91E-01 -
Stats for total tRNA-coding genes (group size: 29 species)
GC (%) AT (%) G (bases) C (bases) A (bases) T (bases) Maximum lifespan (yrs)
Range (min-max) 31.4 - 44.6% 55.4 - 68.6% 286 - 387 186 - 296 381 - 486 457 - 591 5.0 - 102.0
Median 37.1% 62.9% 331 242 432 524 15.8
Average ± stdev 37.6 ± 3.8% 62.2 ± 4.0% 331 ± 31 245 ± 27 432 ± 28 521 ± 37 20.7 ± 18.2
Coefficient of variation 0.10 0.06 0.10 0.11 0.07 0.07 0.88
Pearson correlation
coefficient with log10MLS
-0.03 -0.09 -0.05 -0.02 -0.11 -0.08 -
Pearson p-value
(two tailed)
8.69E-01 6.34E-01 8.00E-01 9.22E-01 5.82E-01 6.98E-01 -
Stats for total rRNA-coding genes (group size: 29 species)
GC (%) AT (%) G (bases) C (bases) A (bases) T (bases) Maximum lifespan (yrs)
Range (min-max) 33.1 - 44.2% 55.8 - 66.9% 434 - 633 359 - 489 539 - 698 800 - 1013 5.0 - 102.0
Median 38.0% 61.9% 512 423 606 944 15.8
Average ± stdev 37.8 ± 3.4% 62.2 ± 3.4% 511 ± 58 429 ± 30 612 ± 48 937 ± 53 20.7 ± 18.2
Coefficient of variation 0.09 0.05 0.11 0.07 0.08 0.06 0.88
Pearson correlation
coefficient with log10MLS
0.08 -0.08 -0.01 0.06 -0.22 -0.09 -
Pearson p-value
(two tailed)
6.81E-01 6.79E-01 9.59E-01 7.69E-01 2.58E-01 6.24E-01 -
Stats for ATP6 (group size: 29 species)
GC (%) AT (%) G (bases) C (bases) A (bases) T (bases) Maximum lifespan (yrs)
Range (min-max) 29.1 - 44.1% 55.9 - 70.9% 131 - 223 59 - 90 182 - 260 170 - 243 5.0 - 102.0
Median 35.4% 64.6% 173 76 234 212 15.8
Average ± stdev 36.2 ± 4.7% 63.8 ± 4.7% 171 ± 25 76 ± 7 227 ± 20 208 ± 17 20.7 ± 18.2
Coefficient of variation 0.13 0.07 0.15 0.10 0.09 0.08 0.88
Pearson correlation
coefficient with log10MLS
0.22 -0.22 0.17 0.32 -0.27 -0.06 -
Pearson p-value
(two tailed)
2.58E-01 2.58E-01 3.86E-01 8.66E-02 1.57E-01 7.64E-01 -
Stats for ATP8 (group size: 29 species)
GC (%) AT (%) G (bases) C (bases) A (bases) T (bases) Maximum lifespan (yrs)
Range (min-max) 24.4 - 41.1% 58.9 - 75.6% 26 - 52 6 - 18 37 - 61 52 - 81 5.0 - 102.0
Median 30.4% 69.6% 39 14 49 67 15.8
Average ± stdev 31.1 ± 5.0% 68.9 ± 5.0% 38 ± 7 13 ± 2 49 ± 7 66 ± 5 20.7 ± 18.2
Coefficient of variation 0.16 0.07 0.19 0.21 0.14 0.09 0.88
Pearson correlation
coefficient with log10MLS
0.10 -0.10 0.20 -0.17 -0.17 0.12 -
Pearson p-value
(two tailed)
6.24E-01 6.24E-01 3.01E-01 3.73E-01 3.92E-01 5.29E-01 -
Stats for COX1 (group size: 29 species)
GC (%) AT (%) G (bases) C (bases) A (bases) T (bases) Maximum lifespan (yrs)
Range (min-max) 33.7 - 46.0% 54.0 - 66.3% 283 - 430 231 - 302 442 - 562 377 - 483 5.0 - 102.0
Median 39.4% 60.6% 348 263 503 424 15.8
Average ± stdev 40.0 ± 3.7% 60.0 ± 3.7% 354 ± 43 265 ± 17 502 ± 34 427 ± 27 20.7 ± 18.2
Coefficient of variation 0.09 0.06 0.12 0.07 0.07 0.06 0.88
Pearson correlation
coefficient with log10MLS
0.19 -0.19 0.16 0.21 -0.18 -0.15 -
Pearson p-value
(two tailed)
3.36E-01 3.36E-01 4.01E-01 2.76E-01 3.56E-01 4.53E-01 -
Stats for COX2 (group size: 29 species)
GC (%) AT (%) G (bases) C (bases) A (bases) T (bases) Maximum lifespan (yrs)
Range (min-max) 31.9 - 42.4% 57.6 - 68.1% 131 - 207 85 - 116 173 - 233 197 - 280 5.0 - 102.0
Median 37.8% 62.2% 161 100 205 230 15.8
Average ± stdev 37.6 ± 3.4% 62.4 ± 3.4% 160 ± 19 100 ± 7 203 ± 17 227 ± 15 20.7 ± 18.2
Coefficient of variation 0.09 0.05 0.12 0.08 0.09 0.07 0.88
Pearson correlation
coefficient with log10MLS
0.24 -0.24 0.25 0.21 -0.23 0.02 -
Pearson p-value
(two tailed)
2.13E-01 2.13E-01 1.88E-01 2.69E-01 2.28E-01 9.35E-01 -
Stats for COX3 (group size: 29 species)
GC (%) AT (%) G (bases) C (bases) A (bases) T (bases) Maximum lifespan (yrs)
Range (min-max) 34.9 - 48.0% 52.0 - 65.1% 147 - 245 115 - 141 196 - 280 183 - 242 5.0 - 102.0
Median 39.4% 60.6% 189 128 250 224 15.8
Average ± stdev 40.6 ± 4.0% 59.4 ± 4.0% 190 ± 27 128 ± 6 247 ± 21 218 ± 14 20.7 ± 18.2
Coefficient of variation 0.10 0.07 0.14 0.05 0.09 0.07 0.88
Pearson correlation
coefficient with log10MLS
0.10 -0.10 0.12 -0.07 -0.14 -0.01 -
Pearson p-value
(two tailed)
6.18E-01 6.18E-01 5.33E-01 7.30E-01 4.78E-01 9.49E-01 -
Stats for CYTB (group size: 29 species)
GC (%) AT (%) G (bases) C (bases) A (bases) T (bases) Maximum lifespan (yrs)
Range (min-max) 32.0 - 47.9% 52.1 - 68.0% 224 - 381 124 - 176 302 - 410 268 - 387 5.0 - 102.0
Median 38.3% 61.7% 285 154 365 336 15.8
Average ± stdev 38.9 ± 4.4% 61.1 ± 4.4% 290 ± 38 153 ± 13 361 ± 27 336 ± 27 20.7 ± 18.2
Coefficient of variation 0.11 0.07 0.13 0.09 0.08 0.08 0.88
Pearson correlation
coefficient with log10MLS
0.04 -0.04 0.01 0.07 -0.06 -0.02 -
Pearson p-value
(two tailed)
8.56E-01 8.56E-01 9.52E-01 7.28E-01 7.45E-01 9.17E-01 -
Stats for ND1 (group size: 29 species)
GC (%) AT (%) G (bases) C (bases) A (bases) T (bases) Maximum lifespan (yrs)
Range (min-max) 30.7 - 45.5% 54.5 - 69.3% 185 - 316 101 - 151 267 - 358 220 - 353 5.0 - 102.0
Median 36.5% 63.5% 229 121 314 300 15.8
Average ± stdev 36.5 ± 4.1% 63.5 ± 4.1% 229 ± 30 123 ± 11 316 ± 24 297 ± 27 20.7 ± 18.2
Coefficient of variation 0.11 0.06 0.13 0.10 0.08 0.09 0.88
Pearson correlation
coefficient with log10MLS
0.17 -0.17 0.22 0.01 -0.28 0.02 -
Pearson p-value
(two tailed)
3.68E-01 3.69E-01 2.46E-01 9.41E-01 1.41E-01 9.21E-01 -
Stats for ND2 (group size: 29 species)
GC (%) AT (%) G (bases) C (bases) A (bases) T (bases) Maximum lifespan (yrs)
Range (min-max) 27.9 - 44.0% 56.0 - 72.1% 193 - 335 85 - 145 250 - 379 280 - 407 5.0 - 102.0
Median 34.6% 65.4% 262 103 321 357 15.8
Average ± stdev 35.1 ± 5.2% 64.9 ± 5.2% 258 ± 42 106 ± 13 319 ± 37 355 ± 31 20.7 ± 18.2
Coefficient of variation 0.15 0.08 0.16 0.13 0.12 0.09 0.88
Pearson correlation
coefficient with log10MLS
0.17 -0.17 0.15 0.20 -0.20 -0.05 -
Pearson p-value
(two tailed)
3.76E-01 3.80E-01 4.30E-01 3.03E-01 3.04E-01 8.10E-01 -
Stats for ND3 (group size: 29 species)
GC (%) AT (%) G (bases) C (bases) A (bases) T (bases) Maximum lifespan (yrs)
Range (min-max) 28.5 - 47.1% 52.9 - 71.5% 59 - 112 37 - 57 101 - 136 72 - 120 5.0 - 102.0
Median 37.0% 62.9% 83 48 118 100 15.8
Average ± stdev 37.9 ± 4.8% 62.1 ± 4.8% 83 ± 12 47 ± 4 118 ± 9 97 ± 11 20.7 ± 18.2
Coefficient of variation 0.13 0.08 0.15 0.10 0.08 0.11 0.88
Pearson correlation
coefficient with log10MLS
0.15 -0.15 0.17 0.12 -0.17 -0.05 -
Pearson p-value
(two tailed)
4.41E-01 4.37E-01 3.87E-01 5.34E-01 3.89E-01 8.10E-01 -
Stats for ND4 (group size: 29 species)
GC (%) AT (%) G (bases) C (bases) A (bases) T (bases) Maximum lifespan (yrs)
Range (min-max) 29.8 - 43.6% 56.4 - 70.2% 265 - 412 120 - 203 345 - 496 352 - 496 5.0 - 102.0
Median 35.5% 64.5% 332 164 443 449 15.8
Average ± stdev 36.7 ± 4.5% 63.3 ± 4.5% 338 ± 45 165 ± 18 436 ± 36 432 ± 36 20.7 ± 18.2
Coefficient of variation 0.12 0.07 0.14 0.11 0.08 0.08 0.88
Pearson correlation
coefficient with log10MLS
0.17 -0.17 0.13 0.25 -0.19 -0.08 -
Pearson p-value
(two tailed)
3.80E-01 3.81E-01 4.97E-01 1.93E-01 3.33E-01 6.92E-01 -
Stats for ND4L (group size: 29 species)
GC (%) AT (%) G (bases) C (bases) A (bases) T (bases) Maximum lifespan (yrs)
Range (min-max) 31.3 - 50.2% 49.8 - 68.7% 56 - 97 30 - 52 76 - 113 64 - 100 5.0 - 102.0
Median 36.7% 63.3% 71 38 101 89 15.8
Average ± stdev 37.6 ± 5.2% 62.4 ± 5.2% 72 ± 11 39 ± 5 97 ± 11 86 ± 8 20.7 ± 18.2
Coefficient of variation 0.14 0.08 0.16 0.15 0.11 0.10 0.88
Pearson correlation
coefficient with log10MLS
0.27 -0.26 0.25 0.28 -0.23 -0.10 -
Pearson p-value
(two tailed)
1.63E-01 1.66E-01 1.83E-01 1.47E-01 2.28E-01 6.21E-01 -
Stats for ND5 (group size: 29 species)
GC (%) AT (%) G (bases) C (bases) A (bases) T (bases) Maximum lifespan (yrs)
Range (min-max) 28.5 - 43.0% 57.0 - 71.5% 325 - 523 173 - 258 487 - 654 467 - 684 5.0 - 102.0
Median 34.4% 65.6% 421 219 579 607 15.8
Average ± stdev 35.3 ± 4.1% 64.7 ± 4.1% 420 ± 58 218 ± 22 578 ± 46 591 ± 44 20.7 ± 18.2
Coefficient of variation 0.12 0.06 0.14 0.10 0.08 0.08 0.88
Pearson correlation
coefficient with log10MLS
0.13 -0.13 0.13 0.13 -0.15 -0.00 -
Pearson p-value
(two tailed)
5.16E-01 5.17E-01 5.00E-01 4.86E-01 4.53E-01 9.85E-01 -
Stats for ND6 (group size: 29 species)
GC (%) AT (%) G (bases) C (bases) A (bases) T (bases) Maximum lifespan (yrs)
Range (min-max) 30.8 - 47.9% 52.1 - 69.2% 113 - 172 46 - 71 59 - 115 173 - 255 5.0 - 102.0
Median 36.4% 63.6% 138 53 100 229 15.8
Average ± stdev 38.3 ± 5.0% 61.7 ± 5.0% 141 ± 19 55 ± 7 93 ± 14 224 ± 18 20.7 ± 18.2
Coefficient of variation 0.13 0.08 0.14 0.13 0.16 0.08 0.88
Pearson correlation
coefficient with log10MLS
-0.00 0.00 -0.08 0.29 -0.04 0.08 -
Pearson p-value
(two tailed)
1.00E+00 1.00E+00 6.73E-01 1.34E-01 8.24E-01 6.98E-01 -
Stats for 12S rRNA gene (group size: 29 species)
GC (%) AT (%) G (bases) C (bases) A (bases) T (bases) Maximum lifespan (yrs)
Range (min-max) 35.5 - 47.5% 52.5 - 64.5% 183 - 252 136 - 194 179 - 252 266 - 356 5.0 - 102.0
Median 40.1% 59.9% 202 163 212 336 15.8
Average ± stdev 40.9 ± 3.8% 59.1 ± 3.8% 209 ± 22 167 ± 14 214 ± 21 329 ± 24 20.7 ± 18.2
Coefficient of variation 0.09 0.06 0.11 0.08 0.10 0.08 0.88
Pearson correlation
coefficient with log10MLS
0.07 -0.07 -0.04 -0.05 -0.26 -0.08 -
Pearson p-value
(two tailed)
7.19E-01 7.19E-01 8.47E-01 7.85E-01 1.66E-01 6.83E-01 -
Stats for 16S rRNA gene (group size: 29 species)
GC (%) AT (%) G (bases) C (bases) A (bases) T (bases) Maximum lifespan (yrs)
Range (min-max) 31.0 - 42.3% 57.7 - 69.0% 251 - 384 223 - 301 349 - 458 522 - 657 5.0 - 102.0
Median 36.3% 63.7% 301 260 398 609 15.8
Average ± stdev 35.9 ± 3.3% 64.1 ± 3.3% 302 ± 38 261 ± 17 398 ± 29 607 ± 31 20.7 ± 18.2
Coefficient of variation 0.09 0.05 0.13 0.07 0.08 0.05 0.88
Pearson correlation
coefficient with log10MLS
0.09 -0.09 0.01 0.14 -0.17 -0.10 -
Pearson p-value
(two tailed)
6.50E-01 6.47E-01 9.73E-01 4.59E-01 3.88E-01 6.13E-01 -

Contact: Vadim E. Fraifeld, MD, PhD

Head: Lab for the Biology of Aging, The Shraga Segal Department of Microbiology, Immunology and Genetics, Faculty of Health Sciences, Ben-Gurion University of the Negev
P.O. Box 653, Beer-Sheva 8410501, Israel

Email:
How to cite us:

If you would like to cite this database please use:
Toren D, Barzilay T, Tacutu R, Lehmann G, Muradian KK, Fraifeld VE. MitoAge: a database for comparative analysis of mitochondrial DNA, with a special focus on animal longevity. Nucleic Acids Res. 2016; 44(D1):D1262-5.