套件：iqtree（2.0.7+dfsg-1 以及其他的）

efficient phylogenetic software by maximum likelihood

IQ-TREE is a very efficient maximum likelihood phylogenetic software with following key features among others:

 * A novel fast and effective stochastic algorithm to estimate maximum
   likelihood trees. IQ-TREE outperforms both RAxML and PhyML in terms
   of likelihood while requiring similar amount of computing time (see
   Nguyen et al., 2015)
 * An ultrafast bootstrap approximation to assess branch supports (see
   Minh et al., 2013).
 * A wide range of substitution models for binary, DNA, protein, codon,
   and morphological alignments.
 * Ultrafast model selection for all data types, 10 to 100 times faster
   than jModelTest and ProtTest.
 * Finding best partition scheme like PartitionFinder.
 * Partitioned models with mixed data types for phylogenomic (multi-
   gene) alignments, allowing for separate, proportional, or joint
   branch lengths among genes.
 * Supporting the phylogenetic likelihod library (PLL) (see Flouri et
   al., 2014)

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