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ISSN 2687-7945
Genome Sequencing
April 23, 2026 EDT

The complete genome sequences of 5 species of reptiles invasive in Puerto Rico

Timothy J. Colston, Edgardo L. Rosado-Ramos, Stacy Pirro, R. Alexander Pyron, Alberto R. Puente-Rolón,
https://doi.org/10.56179/001c.161013
biogenomes
Colston, Timothy J., Edgardo L. Rosado-Ramos, Stacy Pirro, R. Alexander Pyron, and Alberto R. Puente-Rolón. 2026. “The Complete Genome Sequences of 5 Species of Reptiles Invasive in Puerto Rico.” Biodiversity Genomes, April 23. https://doi.org/10.56179/001c.161013.

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Abstract

We present complete genome sequences of 5 species of reptiles invasive in Puerto Rico. Individuals were collected in the wild and represent species known to be established and reproducing (Caiman crocodilus, Gymnophthalmus underwoodi, Malayopython reticulatus) or first verified reports of species that could become established (Chlamydosaurus kingii, Python bivittatus).

Methods

Tissues from single, wild-collected individuals were used for this study. DNA extraction was performed using the Qiagen DNEasy genomic extraction kit using the standard process. Paired-end sequencing libraries were constructed using the Illumina TruSeq kit according to the manufacturer’s instructions. The libraries were sequenced on an Illumina Hi-Seq platform in paired-end, 2 × 150bp format. The resulting fastq files were trimmed of adapter/primer sequences and low-quality regions with Trimmomatic v0.33 (Bolger et al. 2014). The trimmed sequence was assembled by SPAdes v3.15.4 (Bankevich et al. 2012) followed by a finishing step using Zanfona (Kieras et al. 2021).

Results and Data Availability

taxid species specimen_voucher bioproject
8499 Caiman crocodilus UPRMGENRESCOL_4184_TJC1737 JBTXPI000000000
103699 Chlamydosaurus kingii UPRMGENRESCOL_4185_TJC1738 JBTVYJ000000000
88867 Gymnophthalmus underwoodi UPRMGENRESCOL_3211_TJC1727 JBTVYH000000000
1496311 Malayopython reticulatus UPRMGENRESCOL_4148_TJC1732 JBTXPH000000000
176946 Python bivittatus UPRMGENRESCOL_4186_TJC1733 JBTVYI000000000

Funding

Funding was provided by Iridian Genomes, grant# IRGEN_RG_2021-1345 Genomic Studies of Eukaryotic Taxa. TJC was supported by NSF grants DBI#2334779, DEB#2406685.

Acknowledgements

We thank the Puerto Rican DRNA and Proyectos Retic with assistance in donating specimens.

Submitted: April 21, 2026 EDT

Accepted: April 23, 2026 EDT

References

Bankevich, Anton, Sergey Nurk, Dmitry Antipov, et al. 2012. “SPAdes: A New Genome Assembly Algorithm and Its Applications to Single-Cell Sequencing.” Journal of Computational Biology 19 (5): 455–77. https:/​/​doi.org/​10.1089/​cmb.2012.0021.
Google Scholar
Bolger, Anthony M., Marc Lohse, and Bjoern Usadel. 2014. “Trimmomatic: A Flexible Trimmer for Illumina Sequence Data.” Bioinformatics 30 (15): 2114–20. https:/​/​doi.org/​10.1093/​bioinformatics/​btu170.
Google Scholar
Kieras, M., K. O’Neill, and S. Pirro. 2021. “Zanfona, a Genome Assembly Finishing Tool for Paired-End Illumina Reads.” https:/​/​github.com/​zanfona734/​zanfona.

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