About Hirondellea gigas

Hirondellea gigas is a species of amphipod crustacean found in the hadal zone of the Pacific Ocean, particularly in the Mariana Trench. It is adapted to extreme deep-sea environments, living at depths exceeding 10,000 meters where pressures are immense and temperatures are near freezing. This species feeds on organic matter that sinks to the ocean floor, playing a crucial role in the deep-sea ecosystem as a scavenger. Its unique adaptations, such as a lightweight exoskeleton and specialized enzymes, allow it to survive and thrive in one of the most extreme habitats on Earth.


Basic Information
SpeciesPhylumCommon NameEcosystemDepthHabitatNCBI Taxonomy ID
Hirondellea gigasArthropoda-Deep sea6,800-11,000Mariana Trench in the northwestern Pacific Ocean1518452

Genome Assembly Information
Genome AssemblyGenome SizeAssembly levelReleased yearWGS accessionSubmitterBioProjectBUSCO completenessGene Number
-13.92GbChromosome2025CNA0142381-CNP000537489.34%27,881

References
TitleJournalPubmed ID
The amphipod genome reveals population dynamics and adaptations to hadal environmentCell40054448

Gene Information

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Gene IDDescription
Hgig_21597
Hgig_21598
Hgig_21599
Hgig_21600DNA MISMATCH REPAIR PROTEIN MUTS FAMILY MEMBER
Hgig_21601
Hgig_21602
Hgig_21603
Hgig_21604
Hgig_21605ADRENERGIC RECEPTOR-RELATED G-PROTEIN COUPLED RECEPTOR
Hgig_21606DYNEIN HEAVY CHAIN 1, AXONEMAL-LIKE PROTEIN
Hgig_21607ADRENERGIC RECEPTOR-RELATED G-PROTEIN COUPLED RECEPTOR
Hgig_21608POLYPHOSPHOINOSITIDE PHOSPHATASE
Hgig_21609ENDO/EXONUCLEASE/PHOSPHATASE DOMAIN-CONTAINING PROTEIN
Hgig_21610
Hgig_21611
Hgig_21612HEPARAN SULFATE SULFOTRANSFERASE
Hgig_21613
Hgig_21614TRANSMEMBRANE PROTEIN 208
Hgig_21615
Hgig_21616
Hgig_21617NARDILYSIN
Hgig_21618
Hgig_21619
Hgig_21620
Hgig_21621
Hgig_21622TRANSCRIPTION FACTOR AP-2
Hgig_21623
Hgig_21624
Hgig_21625
Hgig_21626
Hgig_21627CYTOCHROME P450
Hgig_21628PALMITOYLTRANSFERASE ZDHHC16
Hgig_21629
Hgig_21630RAN BINDING PROTEIN 9-RELATED
Hgig_21631
Hgig_21632CYTOCHROME P450
Hgig_21633
Hgig_21634LIPOMA HMGIC FUSION PARTNER-LIKE PROTEIN
Hgig_21635
Hgig_21636
Hgig_21637
Hgig_21638SLIT RELATED LEUCINE-RICH REPEAT NEURONAL PROTEIN
Hgig_21639PHOSPHATIDYLINOSITOL-GLYCAN BIOSYNTHESIS CLASS F PROTEIN-RELATED
Hgig_21640
Hgig_21641BETA-1,4-GLUCURONYLTRANSFERASE 1
Hgig_21642
Hgig_21643
Hgig_21644BETA-1,4-GLUCURONYLTRANSFERASE 1
Hgig_21645HYPOXIA-INDUCBILE GENE 1 HIG1 -RELATED
Hgig_21646
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