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_00496
Hgig_00497
Hgig_00498
Hgig_00499CONSERVED OLIGOMERIC GOLGI COMPLEX SUBUNIT 1
Hgig_00500PROTEIN-L-ISOASPARTATE O-METHYLTRANSFERASE
Hgig_00501DNA POLYMERASE TYPE-X FAMILY MEMBER
Hgig_00502
Hgig_00503TRANSPOSABLE ELEMENT-RELATED
Hgig_00504
Hgig_00505RW1 PROTEIN HOMOLOG
Hgig_00506HEPATOMA-DERIVED GROWTH FACTOR-RELATED
Hgig_00507RW1 PROTEIN HOMOLOG
Hgig_00508
Hgig_00509
Hgig_0051026S PROTEASOME NON-ATPASE REGULATORY SUBUNIT 3/COP9 SIGNALOSOME COMPLEX SUBUNIT 3
Hgig_00511
Hgig_0051226S PROTEASOME NON-ATPASE REGULATORY SUBUNIT 3/COP9 SIGNALOSOME COMPLEX SUBUNIT 3
Hgig_00513BETA-HEXOSAMINIDASE
Hgig_00514
Hgig_00515SMAD
Hgig_00516DIPHTHAMIDE BIOSYNTHESIS PROTEIN
Hgig_00517ABC TRANSPORTER B FAMILY
Hgig_00518
Hgig_00519
Hgig_00520ABC TRANSPORTER B FAMILY
Hgig_00521METAL TRANSPORTER CNNM
Hgig_00522
Hgig_00523
Hgig_00524PLECKSTRIN HOMOLOGY DOMAIN-CONTAINING FAMILY G MEMBER 7
Hgig_00525PLECKSTRIN HOMOLOGY DOMAIN-CONTAINING FAMILY G MEMBER 7
Hgig_00526TRANSPOSABLE ELEMENT TC3 TRANSPOSASE-LIKE PROTEIN
Hgig_00527
Hgig_00528PROPROTEIN CONVERTASE SUBTILISIN/KEXIN-RELATED
Hgig_00529PROPROTEIN CONVERTASE SUBTILISIN/KEXIN-RELATED
Hgig_00530TRYPTASE-RELATED
Hgig_00531
Hgig_00532
Hgig_00533
Hgig_00534
Hgig_00535
Hgig_00536PROTEIN CBG27172
Hgig_00537
Hgig_00538P53 REGULATED PA26 NUCLEAR PROTEIN SESTRIN
Hgig_00539
Hgig_00540CADHERIN-23
Hgig_00541SERINE/THREONINE PROTEIN PHOSPHATASE 2A PP2A REGULATORY SUBUNIT B
Hgig_00542NISCHARIN RELATED
Hgig_0054339S RIBOSOMAL PROTEIN L35, MITOCHONDRIAL
Hgig_0054439S RIBOSOMAL PROTEIN L35, MITOCHONDRIAL
Hgig_00545LITHOSTATHINE
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