Gene set · mtDNA statistics

All rRNA

All rRNA genes. Length, base composition and strand skews in 2,334 species, by taxon and species by species.

All rRNA in all species

Every parameter summarised over 2,334 species

All rRNA in all species
Parameter	Species	Mean	SD	CV	Min	Median	Max	r	p
GC %(G + C) / (A + C + G + T)	2,334	43.15%	4.75	0.110	14.88%Bombus terrestris	44.91%	52.11%Agapornis pullarius	0.07	9.5 × 10⁻⁴
AT %(A + T) / (A + C + G + T)	2,334	56.85%	4.75	0.084	47.89%Agapornis pullarius	55.09%	85.12%Bombus terrestris	−0.07	9.5 × 10⁻⁴
A %A / (A + C + G + T)	2,334	34.25%	2.49	0.073	19.29%Pseudoscaphirhynchus hermanni	33.64%	44.89%Amphioctopus fangsiao	0.14	1.6 × 10⁻¹¹
T %T / (A + C + G + T)	2,334	22.60%	3.33	0.147	16.07%Megalops cyprinoides	21.68%	45.56%Strongyloides ratti	−0.20	9.6 × 10⁻²³
G %G / (A + C + G + T)	2,334	19.20%	2.46	0.128	4.65%Bombus terrestris	19.26%	27.87%Placopecten magellanicus	−0.05	0.02
C %C / (A + C + G + T)	2,334	23.95%	3.05	0.127	7.16%Macrostomum lignano	24.58%	32.71%Agapornis pullarius	0.15	1.3 × 10⁻¹²
GC skew(G − C) / (G + C) on the L strand	2,334	−0.110	0.074	–	−0.447Architeuthis dux	−0.106	+0.355Hippospongia lachne	−0.13	8.7 × 10⁻¹¹
AT skew(A − T) / (A + T) on the L strand	2,334	+0.208	0.062	–	−0.267Pseudoscaphirhynchus hermanni	+0.214	+0.382Megalops cyprinoides	0.27	1.1 × 10⁻³⁹
Length (bp)Length in base pairs	2,334	2,574	339.8	0.132	1,132Hemignathus munroi	2,576	17,202Crocidura russula	−0.00	0.82

All rRNA by class

GC content of all rRNA genes, % of A + C + G + T

Parameter

Chart

All rRNA by class

ActinopterygiiRay-finned fishes	894	46.51%	1.68	0.036	38.09%Nothobranchius kuhntae	46.69%	52.08%Trachinocephalus myops	0.08	0.02
MammaliaMammals	627	39.49%	1.91	0.048	33.82%Hemiechinus auritus	39.55%	47.85%Desmodus rotundus	0.49	1.9 × 10⁻³⁹
AvesBirds	423	46.36%	1.54	0.033	42.81%Tringa glareola	46.19%	52.11%Agapornis pullarius	0.27	2.5 × 10⁻⁸
ReptiliaReptiles	136	41.70%	2.57	0.062	36.57%Kinosternon leucostomum	40.92%	50.47%Gonatodes albogularis	−0.04	0.64
ChondrichthyesSharks and rays	87	39.07%	1.19	0.030	36.06%Torpedo marmorata	39.22%	41.42%Aetobatus flagellum	−0.03	0.8
AmphibiaAmphibians	47	38.69%	3.44	0.089	33.15%Onychodactylus fischeri	39.10%	45.72%Pipa pipa	0.03	0.85
BivalviaBivalves	35	36.25%	4.73	0.131	27.82%Geukensia demissa	35.09%	44.97%Mimachlamys varia	−0.43	0.01
MalacostracaCrustaceans	30	27.81%	2.38	0.085	22.76%Euphausia pacifica	27.95%	33.39%Panulirus argus	−0.05	0.78
CephalopodaCephalopoda	11	25.21%	3.11	0.123	20.77%Amphioctopus fangsiao	24.56%	30.80%Ommastrephes bartramii	−0.00	0.99
CephalaspidomorphiLampreys	10	40.52%	0.69	0.017	39.27%Ichthyomyzon fossor	40.73%	41.33%Lethenteron appendix	−0.12	0.74
GastropodaGastropoda	9	33.79%	2.24	0.066	30.78%Littorina saxatilis	33.20%	37.73%Haliotis rufescens	0.56	0.12
InsectaInsects	4	17.32%	2.09	0.121	14.88%Bombus terrestris	17.30%	19.78%Ceratitis capitata	–	–
SarcopterygiiLobe-finned fishes	4	41.80%	2.19	0.052	38.60%Lepidosiren paradoxa	42.56%	43.50%Latimeria chalumnae	–	–
EchinoideaSea urchins	4	39.64%	0.45	0.011	39.21%Mesocentrotus franciscanus	39.64%	40.07%Strongylocentrotus droebachiensis	–	–
PolychaetaPolychaeta	4	34.54%	1.58	0.046	32.34%Terebellides stroemii	34.86%	36.09%Nereis pelagica	–	–

Every species

Base counts on the L strand as deposited in RefSeq. Download all 2,334 rows as CSV

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More about this region

All rRNA in the taxa table Plot its GC content against lifespan