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Hybrid De Novo Genome Assembly for the Generation of Complete Genomes of Urinary Bacteria using Short- and Long-read Sequencing Technologies
Published on: August 20, 2021
A reference genome assembly of Pteropus pselaphon.
Kei Nabeshima1, Yasuhito Shimada2,3, Manabu Onuma4
1Biodiversity Division, Biodiversity Resource Conservation Office, National Institute for Environmental Studies, 16-2 Onogawa, Tsukuba, Ibaraki, 305-8506, Japan. nabeshima.kei@nies.go.jp.
Researchers assembled the genome of the critically endangered Bonin flying fox (Pteropus pselaphon). This crucial genomic resource aids conservation efforts and evolutionary studies for this unique Japanese species.
Area of Science:
- Genomics
- Conservation Biology
- Zoology
Background:
- The Bonin flying fox (Pteropus pselaphon) is endemic to the Ogasawara Islands, Japan.
- This species is currently classified as Critically Endangered, highlighting an urgent need for conservation strategies.
Purpose of the Study:
- To generate a high-quality genome assembly for the Bonin flying fox (Pteropus pselaphon).
- To provide a foundational resource for understanding the species' evolutionary genomics and informing conservation management.
Main Methods:
- Genome sequencing utilizing Nanopore long reads.
- Scaffolding of the genome assembly using Omni-C technology.
- Gene prediction and quality assessment using Benchmarking Universal Single-Copy Orthologs (BUSCO) and Helixer software.
Main Results:
- A comprehensive genome assembly of 2.16 Gb across 929 scaffolds was achieved.
- High BUSCO completeness scores indicate the assembly's quality (C:98.2% for genome, C:92.2% for gene prediction).
- 20,647 protein-coding sequences were identified through gene prediction.
Conclusions:
- The Pteropus pselaphon genome assembly is a significant advancement for its conservation.
- This genomic resource will facilitate research in evolutionary genomics and host-pathogen interactions within flying foxes.
- The study underscores the importance of genomic data for safeguarding endangered species.
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