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First chromosome-level genome assembly of the colonial tunicate Botryllus schlosseri

bioRxiv, ISSN: 2692-8205
2024
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First chromosome-level genome assembly of the colonial tunicate Botryllus schlosseri

2024 JUN 17 (NewsRx) -- By a News Reporter-Staff News Editor at NewsRx Life Science Daily -- According to news reporting based on a preprint

Article Description

Botryllus schlosseri (Tunicata) is a colonial chordate that has long been studied for its multiple developmental pathways and regenerative abilities and its genetically determined allorecognition system based on a polymorphic locus that controls chimerism and cell parasitism. We present the first chromosome-level genome assembly from an isogenic colony of B. schlosseri clade A1 using a mix of long and short reads scaffolded using Hi-C. This haploid assembly spans 533 Mb, of which 96% are found in 16 chromosome-scale scaffolds. With a BUSCO completeness of 91.2%, this complete and contiguous B. schlosseri genome assembly provides a valuable genomic resource for the scientific community and lays the foundation for future investigations into the molecular mechanisms underlying coloniality, regeneration, histocompatibility, and the immune system in tunicates.

Bibliographic Details

Olivier De Thier; Mohammed M. Tawfeeq; Roland Faure; Jean François Flot; Simon Blanchoud; Marie Lebel; Philippe Dru; Alexandre Alié; Stefano Tiozzo; Federico D. Brown

Cold Spring Harbor Laboratory

Biochemistry, Genetics and Molecular Biology; Agricultural and Biological Sciences; Immunology and Microbiology; Neuroscience; Pharmacology, Toxicology and Pharmaceutics

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