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Clonify: unseeded antibody lineage assignment from next-generation sequencing data.

Author Information (click to view)

Briney B, Le K, Zhu J, Burton DR,


Briney B, Le K, Zhu J, Burton DR, (click to view)

Briney B, Le K, Zhu J, Burton DR,

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Scientific reports 2016 04 226() 23901 doi 10.1038/srep23901

Abstract

Defining the dynamics and maturation processes of antibody clonal lineages is crucial to understanding the humoral response to infection and immunization. Although individual antibody lineages have been previously analyzed in isolation, these studies provide only a narrow view of the total antibody response. Comprehensive study of antibody lineages has been limited by the lack of an accurate clonal lineage assignment algorithm capable of operating on next-generation sequencing datasets. To address this shortcoming, we developed Clonify, which is able to perform unseeded lineage assignment on very large sets of antibody sequences. Application of Clonify to IgG+ memory repertoires from healthy individuals revealed a surprising lack of influence of large extended lineages on the overall repertoire composition, indicating that this composition is driven less by the order and frequency of pathogen encounters than previously thought. Clonify is freely available at www.github.com/briney/clonify-python.

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