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:0071684organism emergence from protective structureGOBiological Process3expanded0.00070.00425
GO:0090239regulation of histone H4 acetylationGOBiological Process3expanded0.00070.00425
GO:2000615regulation of histone H3-K9 acetylationGOBiological Process3expanded0.00070.00425
GO:0071564npBAF complexGOCellular Component3expanded0.00070.00425
GO:0003676nucleic acid bindingGOMolecular Function19expanded0.0007010.00425
GO:0008270zinc ion bindingGOMolecular Function2expanded0.0006730.00425
GO:0016820hydrolase activity, acting on acid anhydrides, catalyzing transmembrane movement of substancesGOMolecular Function7expanded0.0006890.00425
GO:0042626ATPase activity, coupled to transmembrane movement of substancesGOMolecular Function7expanded0.0006890.00425
GO:0010941regulation of cell deathGOBiological Process6expanded0.0007150.00432
GO:0060632regulation of microtubule-based movementGOBiological Process4expanded0.0007370.00443
GO:1901360organic cyclic compound metabolic processGOBiological Process33expanded0.0007390.00444
GO:0006598polyamine catabolic processGOBiological Process2expanded0.0007550.00445
GO:0046208spermine catabolic processGOBiological Process2expanded0.0007550.00445
GO:0008559xenobiotic-transporting ATPase activityGOMolecular Function2expanded0.0007550.00445
GO:0015399primary active transmembrane transporter activityGOMolecular Function7expanded0.0007490.00445
GO:0015405P-P-bond-hydrolysis-driven transmembrane transporter activityGOMolecular Function7expanded0.0007490.00445
GO:0043234protein complexGOCellular Component43expanded0.0007920.00466
GO:0032781positive regulation of ATPase activityGOBiological Process4expanded0.0008140.00477
GO:0001973adenosine receptor signaling pathwayGOBiological Process3expanded0.000840.00482
GO:0007423sensory organ developmentGOBiological Process1expanded0.0008430.00482
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