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:0009653anatomical structure morphogenesisGOBiological Process14expanded0.0002520.00199
GO:0042267natural killer cell mediated cytotoxicityGOBiological Process4expanded0.0002530.00199
GO:0006812cation transportGOBiological Process2expanded0.0002550.00199
GO:1901575organic substance catabolic processGOBiological Process6expanded0.0002570.002
GO:0000079regulation of cyclin-dependent protein serine/threonine kinase activityGOBiological Process6expanded0.0002610.00202
GO:0009966regulation of signal transductionGOBiological Process13expanded0.0002710.00209
GO:0002323natural killer cell activation involved in immune responseGOBiological Process3expanded0.0002880.00217
GO:0019219regulation of nucleobase-containing compound metabolic processGOBiological Process18expanded0.0002870.00217
GO:1900112regulation of histone H3-K9 trimethylationGOBiological Process3expanded0.0002880.00217
GO:0035060brahma complexGOCellular Component3expanded0.0002880.00217
GO:0001163RNA polymerase I regulatory region sequence-specific DNA bindingGOMolecular Function3expanded0.0002880.00217
GO:0001164RNA polymerase I CORE element sequence-specific DNA bindingGOMolecular Function3expanded0.0002880.00217
GO:0010604positive regulation of macromolecule metabolic processGOBiological Process14expanded0.0003150.00235
GO:0005783endoplasmic reticulumGOCellular Component4expanded0.0003140.00235
GO:0031224intrinsic component of membraneGOCellular Component51expanded0.0003310.00246
GO:0051128regulation of cellular component organizationGOBiological Process11expanded0.0003470.00257
GO:0001188RNA polymerase I transcriptional preinitiation complex assemblyGOBiological Process3expanded0.000370.00268
GO:0007277pole cell developmentGOBiological Process3expanded0.000370.00268
GO:0034635glutathione transportGOBiological Process2expanded0.0003820.00268
GO:0042939tripeptide transportGOBiological Process2expanded0.0003820.00268
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