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_25549
Hgig_25550
Hgig_25551
Hgig_25552
Hgig_25553STRUCTURAL CONTITUENT OF CUTICLE
Hgig_25554
Hgig_25555STRUCTURAL CONTITUENT OF CUTICLE
Hgig_25556STRUCTURAL CONTITUENT OF CUTICLE
Hgig_25557STRUCTURAL CONTITUENT OF CUTICLE
Hgig_25558STRUCTURAL CONTITUENT OF CUTICLE
Hgig_25559STRUCTURAL CONTITUENT OF CUTICLE
Hgig_25560STRUCTURAL CONTITUENT OF CUTICLE
Hgig_25561FASCIN
Hgig_25562MEDIATOR OF RNA POLYMERASE II TRANSCRIPTION SUBUNIT 10
Hgig_25563
Hgig_25564MITOCHONDRIAL DICARBOXYLATE CARRIER-RELATED
Hgig_25565
Hgig_25566
Hgig_25567
Hgig_25568
Hgig_25569
Hgig_25570
Hgig_25571
Hgig_25572
Hgig_25573PROTEASE M3 THIMET OLIGOPEPTIDASE-RELATED
Hgig_25574PROTEASE M3 THIMET OLIGOPEPTIDASE-RELATED
Hgig_25575
Hgig_25576INHIBITOR OF GROWTH PROTEIN
Hgig_25577CYSTEINE PROTEASE FAMILY C1-RELATED
Hgig_25578CYSTEINE PROTEASE FAMILY C1-RELATED
Hgig_25579
Hgig_25580
Hgig_25581
Hgig_25582EG:EG0003.4 PROTEIN-RELATED
Hgig_25583EG:EG0003.4 PROTEIN-RELATED
Hgig_25584WD REPEAT DOMAIN-RELATED
Hgig_25585PHAGE_INTEGRASE DOMAIN-CONTAINING PROTEIN
Hgig_25586DUDULIN-RELATED
Hgig_25587AROMATIC AMINO ACID HYDROXYLASE
Hgig_25588RNA-BINDING (RRM/RBD/RNP MOTIFS) FAMILY PROTEIN
Hgig_25589UBIQUITIN
Hgig_25590GDP-FUCOSE PROTEIN O-FUCOSYLTRANSFERASE 2
Hgig_25591
Hgig_25592CHAPERONIN
Hgig_25593UBIQUITIN
Hgig_25594
Hgig_25595PHOSPHATIDYLSERINE DECARBOXYLASE
Hgig_25596
Hgig_25597
Hgig_25598
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