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:0019001guanyl nucleotide bindingGOMolecular Function14expanded0.001620.00781
GO:0001909leukocyte mediated cytotoxicityGOBiological Process4expanded0.001640.0079
GO:0097542ciliary tipGOCellular Component4expanded0.001640.0079
GO:0007167enzyme linked receptor protein signaling pathwayGOBiological Process3expanded0.001660.00797
GO:0031401positive regulation of protein modification processGOBiological Process3expanded0.001670.00801
GO:0009719response to endogenous stimulusGOBiological Process6expanded0.001690.00806
GO:0031984organelle subcompartmentGOCellular Component4expanded0.001710.00812
GO:0060284regulation of cell developmentGOBiological Process3expanded0.001760.00834
GO:0007406negative regulation of neuroblast proliferationGOBiological Process3expanded0.00180.00834
GO:0032986protein-DNA complex disassemblyGOBiological Process3expanded0.00180.00834
GO:0043921modulation by host of viral transcriptionGOBiological Process3expanded0.00180.00834
GO:0043984histone H4-K16 acetylationGOBiological Process3expanded0.00180.00834
GO:0052312modulation of transcription in other organism involved in symbiotic interactionGOBiological Process3expanded0.00180.00834
GO:0052472modulation by host of symbiont transcriptionGOBiological Process3expanded0.00180.00834
GO:0001741XY bodyGOCellular Component3expanded0.00180.00834
GO:0071565nBAF complexGOCellular Component3expanded0.00180.00834
GO:0043085positive regulation of catalytic activityGOBiological Process4expanded0.001830.00846
GO:0008215spermine metabolic processGOBiological Process2expanded0.001840.00847
GO:0015889cobalamin transportGOBiological Process2expanded0.001840.00847
GO:0035672oligopeptide transmembrane transportGOBiological Process2expanded0.001840.00847
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