order · mtDNA statistics

Anura

19 species in 8 families. Every region of their mitochondrial genomes, side by side.

Group

species

41.0%

mean GC, whole genome

SD 2.0, range 37.0–44.0%

17,804

median genome length, bp

Range 16,061–24,317 bp

families

Regions

GC content of each region across Anura, % of A + C + G + T

Parameter

Chart

GC % of every region
Region
Whole genome	19	40.95%	2.02	0.049	36.99%Xenopus laevis	40.95%	44.01%Pipa pipa	−0.06	0.81
Protein-coding	19	41.75%	2.43	0.058	37.24%Xenopus laevis	41.46%	45.97%Pipa pipa	−0.03	0.9
All rRNA	19	42.02%	1.92	0.046	39.16%Dryophytes versicolor	41.78%	45.72%Pipa pipa	0.04	0.87
All tRNA	19	42.78%	1.43	0.033	40.04%Dryophytes versicolor	42.94%	44.55%Bombina variegata	0.12	0.63
12S rRNA	19	45.39%	1.46	0.032	43.01%Dryophytes versicolor	45.21%	48.03%Pipa pipa	0.09	0.71
16S rRNA	19	40.07%	2.29	0.057	36.45%Anaxyrus americanus	39.76%	44.40%Pipa pipa	0.03	0.89
D-loop	17	34.38%	2.91	0.085	27.32%Xenopus laevis	34.33%	38.38%Microhyla ornata	−0.53	0.03
ND1	19	41.33%	2.95	0.071	36.95%Microhyla ornata	41.54%	46.58%Pipa pipa	0.01	0.97
ND2	19	40.62%	2.45	0.060	37.09%Xenopus laevis	40.66%	44.02%Bombina orientalis	0.10	0.68
COX1	19	43.04%	2.34	0.054	38.91%Xenopus laevis	42.73%	47.39%Pipa pipa	−0.09	0.73
COX2	19	41.24%	2.03	0.049	37.94%Microhyla ornata	40.99%	45.26%Pipa pipa	−0.18	0.47
ATP8	19	36.56%	3.64	0.099	30.30%Anaxyrus americanus	36.31%	44.64%Pipa pipa	−0.06	0.82
ATP6	19	40.54%	2.57	0.063	35.83%Xenopus laevis	40.64%	46.93%Pipa pipa	−0.13	0.59
COX3	19	44.34%	2.57	0.058	39.41%Anaxyrus americanus	44.52%	47.96%Pelophylax nigromaculatus	−0.10	0.68
ND3	19	42.10%	3.11	0.074	36.47%Anaxyrus americanus	42.06%	47.23%Pipa pipa	−0.14	0.57
ND4L	19	42.75%	4.70	0.110	36.40%Rhinella marina	43.16%	50.17%Bombina variegata	0.14	0.56
ND4	19	40.94%	2.70	0.066	35.69%Xenopus laevis	40.88%	45.50%Pipa pipa	−0.02	0.93
ND5	19	40.01%	2.83	0.071	34.71%Xenopus laevis	40.26%	45.25%Pipa pipa	−0.10	0.68
ND6	19	43.52%	2.30	0.053	37.43%Xenopus laevis	43.25%	47.90%Pelophylax nigromaculatus	−0.02	0.95
CYTB	19	43.52%	2.55	0.059	37.98%Xenopus laevis	44.35%	47.86%Pelophylax nigromaculatus	0.01	0.96

Families of Anura

GC content of the whole genome, % of A + C + G + T

Region

Parameter

Chart

Families of Anura

Ranidae	5	41.87%	1.58	0.038	40.17%Aquarana catesbeiana	41.46%	43.91%Rana temporaria	0.63	0.25
Bombinatoridae	3	42.21%	0.14	0.003	42.06%Bombina variegata	42.20%	42.35%Bombina bombina	–	–
Hylidae	2	39.16%	1.06	0.027	38.40%Dryophytes versicolor	39.16%	39.91%Dryophytes japonicus	–	–
Microhylidae	2	40.43%	0.73	0.018	39.92%Microhyla ornata	40.43%	40.95%Kaloula pulchra	–	–
Pipidae	2	40.50%	4.97	0.123	36.99%Xenopus laevis	40.50%	44.01%Pipa pipa	–	–
Bufonidae	2	38.18%	0.83	0.022	37.59%Anaxyrus americanus	38.18%	38.76%Rhinella marina	–	–
Pelobatidae	2	41.63%	1.38	0.033	40.65%Pelobates fuscus	41.63%	42.60%Scaphiopus holbrookii	–	–
Pyxicephalidae	1	42.31%	–	–	42.31%Pyxicephalus adspersus	42.31%	42.31%Pyxicephalus adspersus	–	–

Codon usage

Share of each codon in all 13 protein-coding genes, across Anura

Gene

Loading codon usage…

Every species, region by region

Each region's page lists the value of every species, with the same statistics by class, order or family and a CSV download.

Whole genome Protein-coding All rRNA All tRNA 12S rRNA 16S rRNA D-loop ND1 ND2 COX1 COX2 ATP8 ATP6 COX3 ND3 ND4L ND4 ND5 ND6 CYTB

Anura taxon page All data downloads

The charts

Each chart draws the rows of the table under it, in the table's order: sort a column to reorder the chart.Chart sets its axis.
Distribution: the range (line), mean ± SD (bar), median (tick) and mean (dot). Lengths of the regions are on a log scale.
Variation: the coefficient of variation, or the SD for the skews, which vary around zero.
Lifespan r: r with its 95% confidence interval (Fisher z). Lifespan map: r of every parameter in every region at once, bold where the Benjamini–Hochberg q-value over the map is below 0.05.

What the numbers are

Species: species with the region annotated. SD is the sample standard deviation, CV = SD / mean.
Base percentages are over A + C + G + T, so GC % + AT % = 100. Skews are on the L strand as deposited in RefSeq: GC skew = (G − C) / (G + C), AT skew = (A − T) / (A + T).
Min and Max name the species with the extreme value.

Lifespan columns

r is the Pearson correlation of the parameter with log₁₀ maximum lifespan within the group (5 or more species), and p its two-tailed p-value, as on the original MitoAge. They are not corrected for multiple testing or for shared ancestry: the plot shows Benjamini–Hochberg q-values and phylogenetic contrasts.

The original site labelled the base columns with their complements, so its skews have the opposite sign. Seemethods.