MitoAge

Plethodon cinereus

Eastern red-backed salamander

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Retired record. RefSeq NC_006343.1 is not in NCBI RefSeq release 237 (mitochondrion.1.genomic.gbff.gz, file date 2026-09-03) (suppressed) and the release has no other complete mitogenome of NCBI species 141976 (Plethodon cinereus); no longer qualifies under the RefSeq-only rule Its build 1 values are kept and it is left out of the correlations.

Maximum lifespan
25 yr
AnAge record
mtDNA size
20,001 bp
RefSeq NC_006343.1
GC content
36.47%
Whole genome
Non-coding
4,655 bp
D-loop 3,695 bp

Where Eastern red-backed salamander sits among 2,335 species

Whole-genome GC content against maximum lifespan. Eastern red-backed salamander has the 627th longest lifespan of them.

10203040501 yr10 yr100 yrMaximum lifespan, log scaleGC %Eastern red-backed salamander
  • This species
  • Other amphibians
  • Other classes
Plot other mtDNA features with this species highlighted

Base composition

Whole genome20,001 bp
GC skew (G − C) / (G + C)
−0.305
AT skew (A − T) / (A + T)
+0.062

Life history

Maximum lifespan
25 years
Adult weight
500 mg
Basal metabolic rate
0 W
Body temperature
5.4 °C
Female sexual maturity
2 years
Male sexual maturity
2 years
Litter or clutch size
8

Lifespan from AnAge · AnAge record · other traits from AnAge Build 15 (HAGRID 00171)

About this record

Lifespan source
AnAge build 15
Based on
an animal in the wild
Data quality
acceptable, medium sample
Licence
Free to use, subject to the Human Ageing Genomic Resources conditions of use
Status
Retired
In the database since
build 1 (2015-07-01)
Last changed
build 2 (2026-11-13)

Every change against the 2015 build is in the changelog download.

Composition by region

Reference (L) strand as deposited in RefSeq
Whole genome20,001 bp
Protein-coding11,429 bp
12S rRNA883 bp
16S rRNA1,515 bp
All tRNA1,530 bp
D-loop3,695 bp

Genes and regions

Select a column to sort; select a gene to compare it across species
Composition
ND1NADH dehydrogenase subunit 1969 bp30.7%30.3%12.8%26.2%39.01%−0.344+0.005
ND2NADH dehydrogenase subunit 21,041 bp34.3%31.1%9.4%25.2%34.58%−0.456+0.048
COX1Cytochrome c oxidase subunit I1,548 bp26.9%31.7%17.2%24.2%41.47%−0.168−0.082
COX2Cytochrome c oxidase subunit II807 bp34.7%26.0%13.6%25.7%39.28%−0.306+0.143
ATP8ATP synthase F0 subunit 8165 bp37.0%33.9%8.5%20.6%29.09%−0.417+0.043
ATP6ATP synthase F0 subunit 6684 bp30.8%33.8%11.1%24.3%35.38%−0.372−0.045
COX3Cytochrome c oxidase subunit III784 bp28.6%30.9%15.8%24.7%40.56%−0.220−0.039
ND3NADH dehydrogenase subunit 3348 bp29.0%33.9%11.8%25.0%36.89%−0.359−0.078
ND4LNADH dehydrogenase subunit 4L297 bp27.9%35.4%11.4%25.3%36.70%−0.376−0.117
ND4NADH dehydrogenase subunit 41,350 bp31.6%30.7%11.2%26.4%37.63%−0.406+0.014
ND5NADH dehydrogenase subunit 51,821 bp33.4%31.5%10.7%24.4%35.09%−0.390+0.029
ND6NADH dehydrogenase subunit 6513 bp44.8%18.9%9.9%26.3%36.26%−0.452+0.407
CYTBCytochrome b1,138 bp30.5%34.9%11.6%23.0%34.62%−0.330−0.067
12S rRNA12S ribosomal RNA883 bp36.8%24.0%16.9%22.3%39.19%−0.139+0.210
16S rRNA16S ribosomal RNA1,515 bp37.4%25.1%16.6%20.9%37.43%−0.115+0.196
D-loopControl region (D-loop)3,695 bp35.6%30.2%11.3%22.8%34.15%−0.336+0.083

Codon usage

Counts per codon, darker is more frequent

3,820 codons in all protein-coding genes. Grouped with the Vertebrate mitochondrial code (NCBI table 2).

Phe F6.2%
UUU172
UUC65
Leu L16.9%
UUA224
UUG21
CUU120
CUC81
CUA170
CUG30
Ile I8.4%
AUU231
AUC88
Met M6.5%
AUA218
AUG32
Val V4.2%
GUU53
GUC23
GUA68
GUG18
Ser S7.3%
UCU58
UCC54
UCA102
UCG6
AGU22
AGC36
Pro P5.5%
CCU47
CCC43
CCA109
CCG11
Thr T8.6%
ACU80
ACC112
ACA130
ACG7
Ala A6.5%
GCU55
GCC95
GCA92
GCG8
Tyr Y2.8%
UAU74
UAC32
His H2.7%
CAU39
CAC66
Gln Q2.5%
CAA84
CAG11
Asn N4.0%
AAU92
AAC60
Lys K2.4%
AAA80
AAG11
Asp D1.6%
GAU33
GAC30
Glu E2.4%
GAA73
GAG20
Cys C0.8%
UGU12
UGC18
Trp W2.8%
UGA91
UGG15
Arg R1.8%
CGU9
CGC13
CGA42
CGG3
Gly G5.8%
GGU22
GGC63
GGA103
GGG32
Stop 0.3%
UAA5
UAG2
AGA3
AGG1

Genome map

38 annotated features in NC_006343.1

Hover, tap or tab to a feature to see its position, length, strand and GC content. Genes and rRNAs open their own pages.

  • Protein-coding13
  • rRNA2
  • tRNA22
  • D-loop1
  • Outer ring: + strand, arrows run clockwise. Inner ring: − strand.
  • Middle ring: GC% of each gene against the whole genome (36.5%, dashed): out is GC-richer, in is AT-richer (full height = 6 points).
All 38 features as a table
FeatureTypeStartEndLengthStrandGC
tRNA-PheTransfer RNA17070 bp+–
12S rRNARibosomal RNA71953883 bp+39.2%
tRNA-ValTransfer RNA9541,02370 bp+–
16S rRNARibosomal RNA1,0242,5381,515 bp+37.4%
tRNA-Leu (UUR)Transfer RNA2,5392,61274 bp+–
ND1Protein-coding gene2,6133,580968 bp+39.0%
tRNA-IleTransfer RNA3,5813,65070 bp+–
tRNA-GlnTransfer RNA3,6533,72371 bp−–
tRNA-MetTransfer RNA3,7233,79169 bp+–
ND2Protein-coding gene3,7924,8301,039 bp+34.6%
tRNA-TrpTransfer RNA4,8314,89868 bp+–
tRNA-AlaTransfer RNA4,9014,96969 bp−–
tRNA-AsnTransfer RNA4,9715,04272 bp−–
tRNA-CysTransfer RNA5,0745,14370 bp−–
tRNA-TyrTransfer RNA5,1445,21067 bp−–
COX1Protein-coding gene5,2126,7591,548 bp+41.5%
tRNA-Ser (UCN)Transfer RNA6,7556,82571 bp−–
tRNA-AspTransfer RNA6,8256,89369 bp+–
COX2Protein-coding gene6,8947,700807 bp+39.3%
tRNA-LysTransfer RNA7,8177,88771 bp+–
ATP8Protein-coding gene7,8898,053165 bp+29.1%
ATP6Protein-coding gene8,0448,727684 bp+35.4%
COX3Protein-coding gene8,7279,510784 bp+40.6%
tRNA-GlyTransfer RNA9,5119,57666 bp+–
ND3Protein-coding gene9,5779,922346 bp+36.9%
tRNA-ArgTransfer RNA9,9239,99068 bp+–
ND4LProtein-coding gene9,99110,287297 bp+36.7%
ND4Protein-coding gene10,28111,6301,350 bp+37.6%
tRNA-HisTransfer RNA11,63511,70369 bp+–
tRNA-Ser (AGY)Transfer RNA11,70411,76966 bp+–
tRNA-Leu (CUN)Transfer RNA11,77111,84373 bp+–
ND5Protein-coding gene11,84313,6631,821 bp+35.1%
ND6Protein-coding gene13,64614,158513 bp−36.3%
tRNA-GluTransfer RNA14,15914,22668 bp−–
CYTBProtein-coding gene14,22915,3661,138 bp+34.6%
tRNA-ThrTransfer RNA15,36715,43569 bp+–
tRNA-ProTransfer RNA16,23516,30672 bp−–
D-loopControl region16,30720,0013,695 bp–34.2%

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