Kimura two-parameter model
E612268
Markov model of sequence evolution
mathematical model in molecular evolution
nucleotide substitution model
substitution model
The Kimura two-parameter model is a foundational mathematical model in molecular evolution that describes DNA sequence change by distinguishing between transition and transversion substitution rates.
Statements (47)
| Predicate | Object |
|---|---|
| instanceOf |
Markov model of sequence evolution
ⓘ
mathematical model in molecular evolution ⓘ nucleotide substitution model ⓘ substitution model ⓘ |
| alsoKnownAs |
K2P model
ⓘ
K80 model NERFINISHED ⓘ |
| appliesTo | DNA sequences ⓘ |
| assumes |
constant substitution rates across sites
ⓘ
equal base frequencies ⓘ homogeneous substitution process over time ⓘ independent evolution at different sites ⓘ time-reversible substitution process ⓘ |
| basedOn | continuous-time Markov chain ⓘ |
| belongsTo |
field of molecular evolution
ⓘ
field of population genetics ⓘ |
| comparedWith |
HKY85 model
NERFINISHED
ⓘ
Jukes–Cantor model NERFINISHED ⓘ Tamura–Nei model NERFINISHED ⓘ |
| defines | expected proportion of nucleotide differences ⓘ |
| distinguishes |
transition substitution rate
ⓘ
transversion substitution rate ⓘ |
| domain | nucleotide positions in DNA ⓘ |
| generalizes | Jukes–Cantor model NERFINISHED ⓘ |
| hasAssumption |
no insertion–deletion events
ⓘ
stationary nucleotide composition ⓘ |
| hasParameter |
overall evolutionary distance
ⓘ
transition rate parameter ⓘ transversion rate parameter ⓘ |
| implementedIn |
BEAST
NERFINISHED
ⓘ
MEGA software NERFINISHED ⓘ MrBayes NERFINISHED ⓘ PAUP* NERFINISHED ⓘ PHYLIP NERFINISHED ⓘ RAxML NERFINISHED ⓘ |
| influenced | development of more complex nucleotide substitution models ⓘ |
| isSpecialCaseOf | general time reversible model ⓘ |
| mathematicallyCharacterizedBy | two distinct substitution rate parameters ⓘ |
| namedAfter | Motoo Kimura NERFINISHED ⓘ |
| proposedBy | Motoo Kimura NERFINISHED ⓘ |
| publicationYear | 1980 ⓘ |
| usedFor |
correcting multiple substitutions at the same site
ⓘ
estimating evolutionary divergence between sequences ⓘ |
| usedIn |
DNA sequence alignment analysis
ⓘ
distance-based phylogenetic methods ⓘ maximum likelihood phylogenetic inference ⓘ molecular evolutionary distance estimation ⓘ phylogenetic tree reconstruction ⓘ |
Referenced by (1)
Full triples — surface form annotated when it differs from this entity's canonical label.