Duplication of the dystroglycan gene in teleost fish
Author Information
Author(s): Pavoni Ernesto, Cacchiarelli Davide, Tittarelli Roberta, Orsini Massimiliano, Galtieri Antonio, Giardina Bruno, Brancaccio Andrea
Primary Institution: CNR, Istituto di Chimica del Riconoscimento Molecolare
Hypothesis
The study investigates the presence of multiple copies of the dystroglycan gene in teleost fish due to whole-genome duplication events.
Conclusion
The study reveals that the whole-genome duplication event in ray-finned fish involved the dystroglycan gene, providing new insights into its molecular genetics.
Supporting Evidence
- The study identified two functional paralogous dystroglycan sequences in pufferfish.
- RT-PCR analysis confirmed the transcription of both dystroglycan sequences in T. nigroviridis.
- Western blot analysis showed the presence of dystroglycan protein products in various fish species.
Takeaway
Fish have more than one copy of a gene called dystroglycan, which helps their muscles stay strong. This is because their ancestors had a big genetic change a long time ago.
Methodology
The study involved data mining of nucleotide sequences, RT-PCR analysis, and Western blot analysis to confirm the presence of dystroglycan proteins.
Digital Object Identifier (DOI)
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