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Characterization of immunoglobulin light chain utilization and variable family diversity in rainbow trout

Overview of attention for article published in Developmental & Comparative Immunology, December 2019
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Title
Characterization of immunoglobulin light chain utilization and variable family diversity in rainbow trout
Published in
Developmental & Comparative Immunology, December 2019
DOI 10.1016/j.dci.2019.103566
Pubmed ID
Authors

Katherine Rego, Eva Bengtén, Melanie Wilson, John D. Hansen, Erin S. Bromage

Abstract

This study characterizes immunoglobulin light chain (IgL) expression and variable family usage in rainbow trout. IgL transcripts were generated by 5' RACE from both immune and TNP-KLH immunized fish. Phylogenetic analysis revealed that the IgL variable regions clustered into seven different families: three kappa families (two newly described in this study), three sigma families, and a single lambda family. IgL1 and IgL3 transcripts expressing identical variable regions were identified and genomic analysis revealed that the two isotypes are co-localized on chromosomes 7, 15, 18, and 21 allowing for potential rearrangement between clusters. Fish were immunized with TNP-KLH (n = 5) and percent expression of IgL1, IgL2, IgL3, and IgL4 measured by qRT-PCR from immune tissues and magnetically sorted TNP-specific lymphocyte populations. In all samples IgL1 constituted 80-95% of the transcripts. The percentage of anti-TNP specific IgL1 transcripts was measured in naïve, unsorted, and TNP-specific cell populations of TNP-KLH fish (n = 3) and found to be significantly higher in the TNP positive cell population (21%) compared to the naïve population (1%; p = 0.02) suggesting that there is a selection of TNP specific IgL sequences.

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Geographical breakdown

Country Count As %
Unknown 5 100%

Demographic breakdown

Readers by professional status Count As %
Professor 2 40%
Student > Postgraduate 2 40%
Researcher 1 20%
Readers by discipline Count As %
Biochemistry, Genetics and Molecular Biology 1 20%
Agricultural and Biological Sciences 1 20%
Immunology and Microbiology 1 20%
Medicine and Dentistry 1 20%
Materials Science 1 20%
Other 0 0%
Attention Score in Context

Attention Score in Context

This research output has an Altmetric Attention Score of 1. This is our high-level measure of the quality and quantity of online attention that it has received. This Attention Score, as well as the ranking and number of research outputs shown below, was calculated when the research output was last mentioned on 15 December 2019.
All research outputs
#22,771,990
of 25,387,668 outputs
Outputs from Developmental & Comparative Immunology
#1,405
of 1,842 outputs
Outputs of similar age
#405,056
of 475,448 outputs
Outputs of similar age from Developmental & Comparative Immunology
#28
of 36 outputs
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