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_23747PERIOSTIN-RELATED
Hgig_23748RAN GTPASE
Hgig_23749VACUOLAR SORTING PROTEIN 53
Hgig_23750ADIPOR/PROGESTIN RECEPTOR-RELATED
Hgig_23751
Hgig_23752
Hgig_23753SIGNAL RECOGNITION PARTICLE 54K PROTEIN SRP54
Hgig_23754VACUOLAR SORTING PROTEIN 53
Hgig_23755
Hgig_23756
Hgig_23757
Hgig_23758DRAB11-RELATED
Hgig_23759MICROSOMAL PROSTAGLANDIN E SYNTHASE-2
Hgig_23760SHORT-CHAIN DEHYDROGENASE/REDUCTASE
Hgig_23761
Hgig_23762
Hgig_23763
Hgig_23764
Hgig_23765
Hgig_23766CELL DIVISION PROTEIN KINASE
Hgig_23767PROTEIN CBG27172
Hgig_23768GLUTATHIONE S TRANSFERASE D10, ISOFORM A-RELATED
Hgig_23769
Hgig_23770
Hgig_23771PROTEIN CBG26694
Hgig_23772RNA-BINDING (RRM/RBD/RNP MOTIFS) FAMILY PROTEIN
Hgig_23773
Hgig_23774FERM DOMAIN CONTAINING PROTEIN
Hgig_23775
Hgig_23776PKSB
Hgig_23777FERM DOMAIN CONTAINING PROTEIN
Hgig_23778TRANSPOSABLE ELEMENT TC3 TRANSPOSASE-LIKE PROTEIN
Hgig_23779
Hgig_23780
Hgig_23781PROTEIN CBG27172
Hgig_23782TUBULIN
Hgig_23783
Hgig_23784TUBULIN
Hgig_23785TUBULIN
Hgig_23786TUBULIN
Hgig_23787TUBULIN
Hgig_23788KRAB AND ZINC FINGER DOMAIN-CONTAINING
Hgig_23789NUCLEAR FACTOR INTERLEUKIN-3-REGULATED PROTEIN
Hgig_23790NUCLEAR FACTOR INTERLEUKIN-3-REGULATED PROTEIN
Hgig_23791TRANSMEMBRANE PROTEIN 15-RELATED
Hgig_23792LIPASE
Hgig_23793
Hgig_23794RNA-BINDING (RRM/RBD/RNP MOTIFS) FAMILY PROTEIN
Hgig_23795RNA-BINDING MOTIF PROTEIN 14B
Hgig_23796NADH-UBIQUINONE OXIDOREDUCTASE
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