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. 2022:2453:279-296.
doi: 10.1007/978-1-0716-2115-8_16.

Adaptive Immune Receptor Repertoire (AIRR) Community Guide to TR and IG Gene Annotation

Lmar Babrak  1 , Susanna Marquez  2 , Christian E Busse  3 , William D Lees  4 , Enkelejda Miho  1   5   6 , Mats Ohlin  7 , Aaron M Rosenfeld  8 , Ulrik Stervbo  9   10 , Corey T Watson  11 , Chaim A Schramm  12 ; AIRR Community
Affiliations

Adaptive Immune Receptor Repertoire (AIRR) Community Guide to TR and IG Gene Annotation

Lmar Babrak et al. Methods Mol Biol. 2022.

Abstract

High-throughput sequencing of adaptive immune receptor repertoires (AIRR, i.e., IG and TR) has revolutionized the ability to carry out large-scale experiments to study the adaptive immune response. Since the method was first introduced in 2009, AIRR sequencing (AIRR-Seq) has been applied to survey the immune state of individuals, identify antigen-specific or immune-state-associated signatures of immune responses, study the development of the antibody immune response, and guide the development of vaccines and antibody therapies. Recent advancements in the technology include sequencing at the single-cell level and in parallel with gene expression, which allows the introduction of multi-omics approaches to understand in detail the adaptive immune response. Analyzing AIRR-seq data can prove challenging even with high-quality sequencing, in part due to the many steps involved and the need to parameterize each step. In this chapter, we outline key factors to consider when preprocessing raw AIRR-Seq data and annotating the genetic origins of the rearranged receptors. We also highlight a number of common difficulties with common AIRR-seq data processing and provide strategies to address them.

Keywords: AIRR-Seq; B-cell receptor; Gene annotation; Germline database; Preprocessing; Single-cell sequencing; T-cell receptor.

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