Affiliation:
1. Institute for Anatomy and Cell Biology Saarland University Homburg Germany
2. Department of Natural Sciences, Institute for Functional Gene Analytics Bonn‐Rhein‐Sieg University of Applied Sciences Rheinbach Germany
Abstract
AbstractSynthesis of DNA fragments based on gene sequences that are available in public resources has become an efficient and affordable method that has gradually replaced traditional cloning efforts such as PCR cloning from cDNA. However, database entries based on genome sequencing results are prone to errors which can lead to false sequence information and, ultimately, errors in functional characterisation of proteins such as ion channels and transporters in heterologous expression systems. We have identified five common problems that repeatedly appear in public resources: (1) Not every gene has yet been annotated; (2) not all gene annotations are necessarily correct; (3) transcripts may contain automated corrections; (4) there are mismatches between gene, mRNA and protein sequences; and (5) splicing patterns often lack experimental validation. This technical review highlights and provides a strategy to bypass these issues in order to avoid critical mistakes that could impact future studies of any gene/protein of interest in heterologous expression systems.
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Funder
Deutsche Forschungsgemeinschaft
Cited by
2 articles.
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