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:0032555purine ribonucleotide bindingGOMolecular Function36expanded0.0001890.00165
GO:0006464cellular protein modification processGOBiological Process19expanded0.0001920.00166
GO:0036211protein modification processGOBiological Process19expanded0.0001920.00166
GO:0010468regulation of gene expressionGOBiological Process20expanded0.0001950.00166
GO:0042623ATPase activity, coupledGOMolecular Function12expanded0.0001940.00166
GO:0043067regulation of programmed cell deathGOBiological Process4expanded0.0001980.00168
GO:0009887animal organ morphogenesisGOBiological Process3expanded0.0002050.00173
GO:0035188hatchingGOBiological Process3expanded0.0002180.00179
GO:0043320natural killer cell degranulationGOBiological Process3expanded0.0002180.00179
GO:2000617positive regulation of histone H3-K9 acetylationGOBiological Process3expanded0.0002180.00179
GO:0031313extrinsic component of endosome membraneGOCellular Component3expanded0.0002180.00179
GO:0001609G-protein coupled adenosine receptor activityGOMolecular Function3expanded0.0002180.00179
GO:0032553ribonucleotide bindingGOMolecular Function36expanded0.0002140.00179
GO:0016780phosphotransferase activity, for other substituted phosphate groupsGOMolecular Function4expanded0.0002190.00179
GO:0071495cellular response to endogenous stimulusGOBiological Process3expanded0.0002250.00183
GO:0016021integral component of membraneGOCellular Component51expanded0.0002280.00184
GO:0017076purine nucleotide bindingGOMolecular Function36expanded0.0002290.00184
GO:0042981regulation of apoptotic processGOBiological Process4expanded0.0002430.00194
GO:0044782cilium organizationGOBiological Process13expanded0.0002430.00194
GO:0002228natural killer cell mediated immunityGOBiological Process4expanded0.0002530.00199
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