Degenerative primer design and gene sequencing validation for select turkey genes

Area of Science:

• Molecular Biology
• Animal Science
• Genomics

Background:

• Accurate gene transcription analysis is crucial for understanding biological processes in livestock.
• Developing specific primers is essential for reliable gene expression studies.
• Mucin production in turkeys is an important factor in gut health and can be influenced by dietary interventions like probiotics.

Purpose of the Study:

• To design and validate degenerative primers for key turkey genes (MUC2, RPS13, TBP, TFF2) using chicken sequences.
• To enable quantitative gene transcription analysis for mucin production in turkeys.
• To facilitate research on the effects of probiotic supplementation on mucin gene expression in turkeys.

Main Methods:

• Degenerative primer design based on Gallus gallus (chicken) gene sequences.
• Polymerase Chain Reaction (PCR) to amplify target turkey genes.
• Cloning of PCR amplicons into TOPO(®) vector and transformation into TOP 10(®) competent cells.
• Sequencing of cloned DNA and analysis using NCBI BLAST for homology assessment.

Main Results:

• Successfully designed and validated degenerative primer sets for turkey MUC2, RPS13, TBP, and TFF2 genes.
• All primer sets produced single PCR amplicons of expected sizes.
• Sequenced genes exhibited >90% homology with chicken and predicted turkey sequences.
• Developed new, 100% homologous primer sets based on sequencing results.

Conclusions:

• Validated degenerative primers are effective tools for turkey gene transcription analysis.
• The developed primers provide a reliable method for quantifying mucin gene expression in turkeys.
• This research supports further investigation into probiotic effects on turkey gut health via mucin production.