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2018•Applied and Environmental MicrobiologyOpen access

Involvement of β-Carbonic Anhydrase Genes in Bacterial Genomic Islands and Their Horizontal Transfer to Protists

Reza Zolfaghari Emameh, Harlan Barker, Vesa P. Hytönen, Seppo Parkkila

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Abstract

The evolutionary process is mediated by mobile genetic elements (MGEs), such as genomic islands (GIs). A gene or set of genes in the GIs is exchanged between and within various species through horizontal gene transfer (HGT). Based on the crucial role that GIs can play in bacterial survival and proliferation, they were introduced as environment- and pathogen-associated factors. Carbonic anhydrases (CAs) are involved in many critical biochemical pathways, such as the regulation of pH homeostasis and electrolyte transfer. Among the six evolutionary families of CAs, β-CA gene sequences are present in many bacterial species, which can be horizontally transferred to protists during evolution. This study shows the involvement of bacterial β-CA gene sequences in the GIs and suggests their horizontal transfer to protists during evolution.

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What this paper is about

The evolutionary process is mediated by mobile genetic elements (MGEs), such as genomic islands (GIs). A gene or set of genes in the GIs is exchanged between and within various species through horizontal gene transfer (HGT). Based on the crucial role that GIs can play in bacterial survival and proliferation, they were introduced as environment- and pathogen-associated factors. Carbonic anhydrases (CAs) are involved in many critical biochemical pathways, such as the regulation of pH homeostasis and electrolyte transfer. Among the six evolutionary families of CAs, β-CA gene sequences are present in many bacterial species, which can be horizontally transferred to protists during evolution. This study shows the involvement of bacterial β-CA gene sequences in the GIs and suggests their horizontal transfer to protists during evolution.

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Available abstract

The evolutionary process is mediated by mobile genetic elements (MGEs), such as genomic islands (GIs). A gene or set of genes in the GIs is exchanged between and within various species through horizontal gene transfer (HGT). Based on the crucial role that GIs can play in bacterial survival and proliferation, they were introduced as environment- and pathogen-associated factors. Carbonic anhydrases (CAs) are involved in many critical biochemical pathways, such as the regulation of pH homeostasis and electrolyte transfer. Among the six evolutionary families of CAs, β-CA gene sequences are present in many bacterial species, which can be horizontally transferred to protists during evolution. This study shows the involvement of bacterial β-CA gene sequences in the GIs and suggests their horizontal transfer to protists during evolution.

Key concepts: Horizontal gene transfer, Biology, Carbonic anhydrase, Gene, Genetics, Microbiology, Genome, Enzyme

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