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Abstract

Biology

A Bioinformatics Pipeline for Investigating Molecular Evolution and Gene Expression using RNA-seq

Published: May 28th, 2021

DOI:

10.3791/61633

1Department of Developmental and Cell Biology, University of California, Irvine

Abstract

Distilling and reporting large datasets, such as whole genome or transcriptome data, is often a daunting task. One way to break down results is to focus on one or more gene families that are significant to the organism and study. In this protocol, we outline bioinformatic steps to generate a phylogeny and to quantify the expression of genes of interest. Phylogenetic trees can give insight into how genes are evolving within and between species as well as reveal orthology. These results can be enhanced using RNA-seq data to compare the expression of these genes in different individuals or tissues. Studies of molecular evolution and expression can reveal modes of evolution and conservation of gene function between species. The characterization of a gene family can serve as a springboard for future studies and can highlight an important gene family in a new genome or transcriptome paper.

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Keywords Bioinformatics Pipeline

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