About Ilyophis brunneus

Ilyophis brunneus commonly known as the muddy arrowtooth eel, is a species of cutthroat eel in the family Synaphobranchidae. It is found in deep-sea environments worldwide at depths exceeding 1,000 meters. This species is characterized by its elongated body and can grow up to 160 cm in length. As a benthic predator, it plays a significant role in deep-sea ecosystems by feeding on smaller fish and invertebrates, contributing to the trophic dynamics of its habitat.

Classification

Animalia (Kingdom); Chordata (Phylum); Vertebrata (Subphylum); Gnathostomata (Infraphylum); Osteichthyes (Parvphylum); Actinopterygii (Gigaclass); Actinopteri (Superclass); Teleostei (Class); Anguilliformes (Order); Synaphobranchidae (Family); Ilyophinae (Subfamily); Ilyophis (Genus); Ilyophis brunneus (Species)

Original Name

Ilyophis brunneus Gilbert, 1891

Key Reference Paper

1. Gilbert C H. Descriptions of apodal fishes from the tropical Pacific[M]. US Government Printing Office, 1891. (Gilbert et al., 1891)

Distribution

Gulf of Mexico, New Zealand, North Atlantic Ocean, South Africa. Found in the seamounts and knolls of Canadian Atlantic waters. Found at depths of 450- 3120 m


Basic Information
SpeciesPhylumCommon NameEcosystemDepthHabitatNCBI Taxonomy ID
Ilyophis brunneusChordataIlyophis sp. 2 JC-2022, Muddy arrowtooth eel (MAE)Deep sea3,500Mariana Trench (11.65369°N,138.62139°E)2920202

Genome Assembly Information
Genome AssemblyGenome SizeAssembly levelReleased yearWGS accessionSubmitterBioProjectBUSCO completeness (%)Scaffold/Contig N50 (kb)GC content (%)Repeat Rate (%)Gene Number
ASM2270252v11.5GbChromosome2022JAKUDJ01Chinese Academy of Sciences, ChinaPRJNA79246594.30 115,310/2,76042.0948.4121,632

References
TitleJournalPubmed ID
Pseudo-chromosome-length genome assembly for a deep-sea eel Ilyophis brunneus sheds light on the deep-sea adaptationScience China Life Sciences36648612

Results of comparison between Ilyophis brunneus and its nearshore relatives from the paper (Chen et al., 2023)

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Annotation IDDescriptionTypeSubtypeGeneRatioEvolution TypeP-valueQ-value
GO:0000166nucleotide bindingGOMolecular Function36expanded0.001280.00656
GO:1901265nucleoside phosphate bindingGOMolecular Function36expanded0.001290.00658
GO:0032561guanyl ribonucleotide bindingGOMolecular Function14expanded0.001290.00658
GO:0006337nucleosome disassemblyGOBiological Process3expanded0.001360.00687
GO:1901836regulation of transcription of nuclear large rRNA transcript from RNA polymerase I promoterGOBiological Process3expanded0.001360.00687
GO:0003823antigen bindingGOMolecular Function3expanded0.001360.00687
GO:0003333amino acid transmembrane transportGOBiological Process5expanded0.001410.00707
GO:0046483heterocycle metabolic processGOBiological Process33expanded0.001410.00707
GO:0031323regulation of cellular metabolic processGOBiological Process32expanded0.001420.00709
GO:0040008regulation of growthGOBiological Process1expanded0.001430.00712
GO:0080134regulation of response to stressGOBiological Process3expanded0.001440.00714
GO:0051674localization of cellGOBiological Process5expanded0.001470.0073
GO:0006508proteolysisGOBiological Process6expanded0.001510.00745
GO:0002456T cell mediated immunityGOBiological Process4expanded0.001520.00748
GO:0051130positive regulation of cellular component organizationGOBiological Process4expanded0.001520.00749
GO:0031498chromatin disassemblyGOBiological Process3expanded0.001570.00763
GO:0035588G-protein coupled purinergic receptor signaling pathwayGOBiological Process3expanded0.001570.00763
GO:0042790transcription of nuclear large rRNA transcript from RNA polymerase I promoterGOBiological Process3expanded0.001570.00763
GO:0050434positive regulation of viral transcriptionGOBiological Process3expanded0.001570.00763
GO:0048870cell motilityGOBiological Process5expanded0.001580.00766
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