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:0044248cellular catabolic processGOBiological Process7expanded0.0003760.00268
GO:2000112regulation of cellular macromolecule biosynthetic processGOBiological Process18expanded0.000380.00268
GO:0005859muscle myosin complexGOCellular Component3expanded0.000370.00268
GO:0001013RNA polymerase I regulatory region DNA bindingGOMolecular Function3expanded0.000370.00268
GO:0004012phospholipid-translocating ATPase activityGOMolecular Function2expanded0.0003820.00268
GO:0015235cobalamin transporter activityGOMolecular Function2expanded0.0003820.00268
GO:0015420cobalamin-transporting ATPase activityGOMolecular Function2expanded0.0003820.00268
GO:0015562efflux transmembrane transporter activityGOMolecular Function2expanded0.0003820.00268
GO:0019808polyamine bindingGOMolecular Function2expanded0.0003820.00268
GO:1904029regulation of cyclin-dependent protein kinase activityGOBiological Process6expanded0.0004040.00282
GO:0070286axonemal dynein complex assemblyGOBiological Process4expanded0.0004250.00295
GO:0008586imaginal disc-derived wing vein morphogenesisGOBiological Process3expanded0.0004650.00316
GO:0008587imaginal disc-derived wing margin morphogenesisGOBiological Process3expanded0.0004650.00316
GO:0048739cardiac muscle fiber developmentGOBiological Process3expanded0.0004650.00316
GO:0051573negative regulation of histone H3-K9 methylationGOBiological Process3expanded0.0004650.00316
GO:0071688striated muscle myosin thick filament assemblyGOBiological Process3expanded0.0004650.00316
GO:1901838positive regulation of transcription of nuclear large rRNA transcript from RNA polymerase I promoterGOBiological Process3expanded0.0004650.00316
GO:0043531ADP bindingGOMolecular Function4expanded0.0004780.00323
GO:0048666neuron developmentGOBiological Process4expanded0.0004870.00329
GO:0010970transport along microtubuleGOBiological Process8expanded0.0005480.00365
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