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_09297
Hgig_09298VACUOLAR PROTEIN SORTING 28, ISOFORM 2 VPS28
Hgig_09299PHYTANOYL-COA DIOXYGENASE DOMAIN CONTAINING 1
Hgig_09300TRANSLATION INITIATION FACTOR EIF-2B SUBUNIT GAMMA
Hgig_09301
Hgig_09302
Hgig_09303
Hgig_09304CTX-RELATED TYPE I TRANSMEMBRANE PROTEIN
Hgig_09305RAD25/XP-B DNA REPAIR HELICASE
Hgig_09306
Hgig_09307RIBOSOMAL PROTEIN L2
Hgig_09308CHITINASE
Hgig_09309CHITINASE
Hgig_09310CYSTEINE PROTEASE FAMILY C1-RELATED
Hgig_09311ZINC FINGER PROTEIN 294
Hgig_09312
Hgig_09313SLIT RELATED LEUCINE-RICH REPEAT NEURONAL PROTEIN
Hgig_09314
Hgig_09315PROTEIN CBG13728
Hgig_09316
Hgig_09317EPM2A-INTERACTING PROTEIN 1
Hgig_09318PDF RECEPTOR-LIKE PROTEIN-RELATED
Hgig_09319
Hgig_09320
Hgig_09321UNCHARACTERIZED
Hgig_09322UNCHARACTERIZED
Hgig_09323TRANSPOSABLE ELEMENT TC3 TRANSPOSASE-LIKE PROTEIN
Hgig_09324ADAMTS A DISINTEGRIN AND METALLOPROTEASE WITH THROMBOSPONDIN MOTIFS PROTEASE
Hgig_09325UNCHARACTERIZED
Hgig_09326ADAMTS A DISINTEGRIN AND METALLOPROTEASE WITH THROMBOSPONDIN MOTIFS PROTEASE
Hgig_09327
Hgig_09328
Hgig_09329
Hgig_09330
Hgig_09331HEPATOCELLULAR CARCINOMA-ASSOCIATED ANTIGEN
Hgig_09332PYRIDOXINE-5-PHOSPHATE OXIDASE
Hgig_09333PROTEIN MMS22-LIKE
Hgig_09334UNCHARACTERIZED
Hgig_09335PROTEIN MMS22-LIKE
Hgig_09336UNCHARACTERIZED
Hgig_09337RE45066P-RELATED
Hgig_09338RE43931P-RELATED
Hgig_09339VACUOLAR ATP SYNTHASE SUBUNIT AC39
Hgig_09340
Hgig_09341NEUROTRANSMITTER GATED ION CHANNEL
Hgig_09342UNCHARACTERIZED
Hgig_09343UNCHARACTERIZED
Hgig_09344NEUROTRANSMITTER GATED ION CHANNEL
Hgig_09345GUANYLYL CYCLASE
Hgig_09346
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