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_04446DNA REPAIR/TRANSCRIPTION PROTEIN MET18/MMS19
Hgig_04447CHLORIDE CHANNEL PROTEIN 2
Hgig_04448
Hgig_04449
Hgig_04450
Hgig_04451PLECKSTRIN HOMOLOGY PH DOMAIN-CONTAINING PROTEIN
Hgig_04452SH3 DOMAIN-CONTAINING
Hgig_04453
Hgig_04454C5ORF35
Hgig_04455
Hgig_04456RUN AND SH3 DOMAIN CONTAINING
Hgig_04457
Hgig_04458
Hgig_04459RIBULOSE-5-PHOSPHATE-3-EPIMERASE
Hgig_04460UBIQUITIN DOMAIN CONTAINING 1 PROTEIN-RELATED
Hgig_04461PROTEIN CBG27172
Hgig_04462
Hgig_04463
Hgig_04464HOMEOBOX PROTEIN NKX
Hgig_04465ANGIOTENSIN-CONVERTING ENZYME
Hgig_04466ANGIOTENSIN-CONVERTING ENZYME
Hgig_04467
Hgig_04468
Hgig_04469CADHERIN-87A
Hgig_04470BTB DOMAIN TRANSCRIPTION FACTOR
Hgig_04471ACTIN
Hgig_04472
Hgig_04473
Hgig_04474
Hgig_04475LIM DOMAIN-CONTAINING PROTEIN
Hgig_04476DENN DOMAIN-CONTAINING
Hgig_04477
Hgig_04478
Hgig_04479UNCHARACTERIZED
Hgig_04480UNCHARACTERIZED
Hgig_04481ZINC FINGER PROTEIN 142
Hgig_04482
Hgig_04483NUCLEAR INHIBITOR OF PROTEIN PHOSPHATASE-1
Hgig_04484THADA/DEATH RECEPTOR INTERACTING PROTEIN
Hgig_04485NETRIN/LAMININ-RELATED
Hgig_04486DNA REPAIR DEAD HELICASE RAD3/XP-D SUBFAMILY MEMBER
Hgig_04487
Hgig_04488NEUROTRANSMITTER GATED ION CHANNEL
Hgig_04489
Hgig_04490
Hgig_04491CORTISTATIN
Hgig_04492REVERSE TRANSCRIPTASE DOMAIN-CONTAINING PROTEIN
Hgig_04493REVERSE TRANSCRIPTASES
Hgig_04494
Hgig_04495
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