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Complete mitochondrial genome sequence from an endangered Indian snake, Python molurus molurus (Serpentes,

Bhawna Dubey¹, P R Meganathan, Ikramul Haque

¹National DNA Analysis Centre, Central Forensic Science Laboratory, 30-Gorachand Road, Kolkata, 700 014 West Bengal, India.

Molecular Biology Reports

|February 15, 2012

Summary

The complete mitochondrial genome of the Indian Rock Python (Python molurus molurus) was sequenced, revealing similarities to other snake genomes. This provides insights into the genetic makeup and evolutionary relationships of this endangered species.

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Area of Science:

Genomics
Molecular Biology
Herpetology

Background:

The Indian Rock Python (Python molurus molurus) is an endangered snake species.
Mitochondrial genomes are crucial for understanding evolutionary history and population genetics.

Purpose of the Study:

To sequence and characterize the complete mitochondrial genome of Python molurus molurus.
To compare its genomic features with other snake species.

Main Methods:

Whole genome sequencing of the mitochondrial DNA.
Bioinformatic analysis of gene arrangement, nucleotide composition, and codon usage.
Phylogenetic analysis using protein-coding genes.

Main Results:

A 17,258 bp mitochondrial genome was sequenced, containing 37 genes.
The genome exhibits typical snake mitochondrial genome characteristics, with notable AT/GC skews and high divergence in ATP8 and NADH3 genes.
Phylogenetic analysis confirmed established snake evolutionary relationships.

Conclusions:

The study provides a comprehensive genomic resource for Python molurus molurus.
Mitochondrial genome data aids in conservation efforts and understanding snake evolution.
The findings highlight conserved and divergent evolutionary patterns in snake mitochondrial genomes.