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Deprecated: Implicit conversion from float 215.6 to int loses precision in C:\Inetpub\vhosts\kidney.de\httpdocs\pget.php on line 534 Genome+Biol 2017 ; 18 (ä): ä Nephropedia Template TP
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SiFit: inferring tumor trees from single-cell sequencing data under finite-sites models #MMPMID28927434
Zafar H; Tzen A; Navin N; Chen K; Nakhleh L
Genome Biol 2017[]; 18 (ä): ä PMID28927434show ga
Single-cell sequencing enables the inference of tumor phylogenies that provide insights on intra-tumor heterogeneity and evolutionary trajectories. Recently introduced methods perform this task under the infinite-sites assumption, violations of which, due to chromosomal deletions and loss of heterozygosity, necessitate the development of inference methods that utilize finite-sites models. We propose a statistical inference method for tumor phylogenies from noisy single-cell sequencing data under a finite-sites model. The performance of our method on synthetic and experimental data sets from two colorectal cancer patients to trace evolutionary lineages in primary and metastatic tumors suggests that employing a finite-sites model leads to improved inference of tumor phylogenies.Electronic supplementary material: The online version of this article (doi:10.1186/s13059-017-1311-2) contains supplementary material, which is available to authorized users.