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_24447
Hgig_24448
Hgig_24449MIDASIN-RELATED
Hgig_24450
Hgig_24451
Hgig_24452ENDONUCLEASE
Hgig_24453
Hgig_24454
Hgig_24455
Hgig_24456ADENYLATE CYCLASE TYPE 1
Hgig_24457
Hgig_24458
Hgig_24459ADENYLATE CYCLASE TYPE 1
Hgig_24460RIBONUCLEASE P SUBUNIT P21
Hgig_24461RIBONUCLEASE P SUBUNIT P21
Hgig_24462SPONDIN
Hgig_24463SPONDIN
Hgig_24464SPONDIN
Hgig_24465WW DOMAIN-BINDING PROTEIN 11
Hgig_24466SPONDIN
Hgig_24467SPONDIN
Hgig_24468
Hgig_24469
Hgig_24470
Hgig_24471
Hgig_24472
Hgig_24473
Hgig_24474
Hgig_24475
Hgig_24476
Hgig_24477
Hgig_24478TRANSPOSON TY3-I GAG-POL POLYPROTEIN
Hgig_24479UNCHARACTERIZED
Hgig_24480UNCHARACTERIZED
Hgig_24481FERREDOXIN/ADRENODOXIN
Hgig_24482
Hgig_24483
Hgig_24484BRAKELESS PROTEIN
Hgig_24485SERINE/ARGININE REPETITIVE MATRIX PROTEIN 5-RELATED
Hgig_24486
Hgig_24487TRANSKETOLASE
Hgig_24488OS01G0750732 PROTEIN
Hgig_24489ATM INTERACTOR
Hgig_244903-HYDROXY-3-METHYLGLUTARYL-COENZYME A REDUCTASE
Hgig_24491
Hgig_24492
Hgig_24493
Hgig_24494
Hgig_24495EUKARYOTIC TRANSLATION INITIATION FACTOR 2C
Hgig_24496OS02G0815200 PROTEIN
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