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_26549NADH-UBIQUINONE OXIDOREDUCTASE
Hgig_26550
Hgig_26551NADP-SPECIFIC ISOCITRATE DEHYDROGENASE
Hgig_26552
Hgig_26553
Hgig_26554
Hgig_26555
Hgig_26556
Hgig_26557
Hgig_26558
Hgig_26559
Hgig_26560E3 UBIQUITIN-PROTEIN LIGASE TRIM
Hgig_26561GLYCYL-TRNA SYNTHETASE/DNA POLYMERASE SUBUNIT GAMMA-2
Hgig_26562GLYCYL-TRNA SYNTHETASE/DNA POLYMERASE SUBUNIT GAMMA-2
Hgig_26563
Hgig_26564
Hgig_26565
Hgig_26566
Hgig_26567PEFLIN
Hgig_26568PEFLIN
Hgig_26569GLYCYL-TRNA SYNTHETASE/DNA POLYMERASE SUBUNIT GAMMA-2
Hgig_26570ENDO/EXONUCLEASE/PHOSPHATASE DOMAIN-CONTAINING PROTEIN
Hgig_26571GLYCYL-TRNA SYNTHETASE/DNA POLYMERASE SUBUNIT GAMMA-2
Hgig_26572
Hgig_26573
Hgig_26574
Hgig_26575CTX-RELATED TYPE I TRANSMEMBRANE PROTEIN
Hgig_26576SOLUTE CARRIER FAMILY 12, CATION COTRANSPORTERS
Hgig_26577SOLUTE CARRIER FAMILY 12, CATION COTRANSPORTERS
Hgig_26578
Hgig_26579TRANSPOSABLE ELEMENT TC3 TRANSPOSASE-LIKE PROTEIN
Hgig_26580
Hgig_26581C-TYPE LECTIN SUPERFAMILY MEMBER
Hgig_26582
Hgig_26583C-TYPE LECTIN SUPERFAMILY MEMBER
Hgig_26584KELCH PROTEIN
Hgig_26585
Hgig_26586
Hgig_26587ZINC FINGER PROTEIN
Hgig_26588OB FOLD NUCLEIC ACID BINDING PROTEIN-RELATED
Hgig_26589UBIQUITIN CARBOXYL-TERMINAL HYDROLASE
Hgig_26590
Hgig_26591
Hgig_26592
Hgig_26593
Hgig_26594
Hgig_26595
Hgig_26596
Hgig_26597ATP-DEPENDENT PROTEASE
Hgig_26598
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