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_02746TPR REPEAT CONTAINING PROTEIN
Hgig_02747CDK5 REGULATORY SUBUNIT-ASSOCIATED PROTEIN 2
Hgig_02748-
Hgig_02749REVERSE TRANSCRIPTASE DOMAIN-CONTAINING PROTEIN
Hgig_02750BLOC-1-RELATED COMPLEX SUBUNIT 5
Hgig_02751MYOSIN REGULATORY LIGHT CHAIN 2
Hgig_02752
Hgig_02753MEDIATOR OF RNA POLYMERASE II TRANSCRIPTION SUBUNIT 22
Hgig_0275450S RIBOSOMAL PROTEIN L21
Hgig_0275540S RIBOSOMAL PROTEIN S15A
Hgig_02756
Hgig_02757
Hgig_02758
Hgig_02759INTIMAL THICKNESS RECEPTOR-RELATED
Hgig_02760MYELIN PROTEOLIPID
Hgig_02761SMALL SEVEN TRANSMEMBRANE DOMAIN-CONTAINING PROTEIN
Hgig_02762
Hgig_02763
Hgig_02764TORSIN
Hgig_02765
Hgig_02766OLIGOSACCHARYLTRANSFERASE COMPLEX SUBUNIT OSTC
Hgig_02767
Hgig_02768TRANSMEMBRANE CHANNEL-RELATED
Hgig_02769ECTO-NOX DISULFIDE-THIOL EXCHANGER
Hgig_02770INTEGRAL TRANSMEMBRANE PROTEIN 2
Hgig_02771ECTO-NOX DISULFIDE-THIOL EXCHANGER
Hgig_02772REVERSE TRANSCRIPTASE
Hgig_02773STRUCTURAL CONTITUENT OF CUTICLE
Hgig_02774STRUCTURAL CONTITUENT OF CUTICLE
Hgig_02775STRUCTURAL CONTITUENT OF CUTICLE
Hgig_02776STRUCTURAL CONTITUENT OF CUTICLE
Hgig_02777STRUCTURAL CONTITUENT OF CUTICLE
Hgig_02778
Hgig_02779STRUCTURAL CONTITUENT OF CUTICLE
Hgig_02780STRUCTURAL CONTITUENT OF CUTICLE
Hgig_02781STRUCTURAL CONTITUENT OF CUTICLE
Hgig_02782SUGAR KINASE
Hgig_02783
Hgig_02784SUGAR KINASE
Hgig_02785INTRAFLAGELLAR TRANSPORT PROTEIN 88 HOMOLOG
Hgig_02786
Hgig_02787TRANSPOSABLE ELEMENT TC3 TRANSPOSASE-LIKE PROTEIN
Hgig_02788
Hgig_02789
Hgig_02790EIF4G DOMAIN PROTEIN
Hgig_02791UNCHARACTERIZED
Hgig_02792
Hgig_02793UNCHARACTERIZED
Hgig_02794
Hgig_02795
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