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_20947HEXAMETHYLENE BISACETAMIDE INDUCIBLE 1
Hgig_20948EUKARYOTIC TRANSLATION INITIATION FACTOR 2C
Hgig_20949UNCHARACTERIZED
Hgig_20950
Hgig_20951CLEAVAGE STIMULATION FACTOR SUBUNIT 1
Hgig_20952
Hgig_20953UNCHARACTERIZED
Hgig_20954CDC68 RELATED
Hgig_20955
Hgig_20956HOMEO BOX HB9 LIKE A-RELATED
Hgig_20957HISTONE H2A
Hgig_20958UNCHARACTERIZED
Hgig_20959METHYLMALONYL-COA EPIMERASE
Hgig_20960ENDO/EXONUCLEASE/PHOSPHATASE DOMAIN-CONTAINING PROTEIN
Hgig_20961ENDONUCLEASE-RELATED
Hgig_20962
Hgig_20963
Hgig_20964RAB GDP-DISSOCIATION INHIBITOR
Hgig_20965
Hgig_20966ADENOSINE KINASE
Hgig_20967ADENOSINE KINASE
Hgig_20968SLIT HOMOLOG
Hgig_20969SLIT RELATED LEUCINE-RICH REPEAT NEURONAL PROTEIN
Hgig_20970
Hgig_20971WD-REPEAT PROTEIN BING4
Hgig_20972FI23527P1
Hgig_20973
Hgig_20974MEDIATOR OF RNA POLYMERASE II TRANSCRIPTION SUBUNIT 17
Hgig_20975
Hgig_20976
Hgig_20977PROTEIN CBG27172
Hgig_20978DNA REPAIR PROTEIN COMPLEMENTING XP-G CELLS-RELATED
Hgig_20979
Hgig_20980CYSTEINE-RICH SECRETORY PROTEIN-RELATED
Hgig_20981CALCIUM-INDEPENDENT PHOSPHOLIPASE A2-GAMMA
Hgig_20982HISTONE-LYSINE N-METHYLTRANSFERASE SUV39H
Hgig_20983
Hgig_20984INTEGRIN ALPHA
Hgig_20985
Hgig_20986TRANSLATION INITIATION FACTOR EIF-2B SUBUNIT BETA
Hgig_20987
Hgig_20988
Hgig_20989STRUCTURAL CONTITUENT OF CUTICLE
Hgig_20990APPLE DOMAIN-CONTAINING PROTEIN
Hgig_20991MIP08469P
Hgig_20992
Hgig_20993
Hgig_20994
Hgig_20995UNCHARACTERIZED
Hgig_20996
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