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_05096
Hgig_05097GH08155P
Hgig_05098GREMLIN 1
Hgig_05099NAD-DEPENDENT PROTEIN DEACYLASE SIRTUIN-5, MITOCHONDRIAL-RELATED
Hgig_05100
Hgig_05101GLUTATHIONE PEROXIDASE
Hgig_05102
Hgig_05103NAD-DEPENDENT PROTEIN DEACYLASE SIRTUIN-5, MITOCHONDRIAL-RELATED
Hgig_05104SERINE PROTEASE-RELATED
Hgig_05105SERINE PROTEASE-RELATED
Hgig_05106
Hgig_05107UNCHARACTERIZED
Hgig_05108
Hgig_05109
Hgig_05110
Hgig_05111PROTEIN CBG27172
Hgig_05112
Hgig_05113LD11652P
Hgig_05114
Hgig_05115
Hgig_05116
Hgig_05117
Hgig_05118LD22376P
Hgig_05119
Hgig_05120TRYPTOPHANYL-TRNA SYNTHETASE
Hgig_05121
Hgig_05122
Hgig_05123
Hgig_05124
Hgig_05125FIP1-LIKE 1 PROTEIN
Hgig_05126UNCHARACTERIZED
Hgig_05127
Hgig_05128HYALURONAN MEDIATED MOTILITY RECEPTOR
Hgig_05129VINCULIN
Hgig_05130BASIC HELIX-LOOP-HELIX TRANSCRIPTION FACTOR, HES-RELATED
Hgig_05131IFT140/172-RELATED
Hgig_05132
Hgig_05133
Hgig_05134PHOSPHATIDYLINOSITOL GLYCAN-RELATED
Hgig_05135TUBULIN POLYGLUTAMYLASE
Hgig_05136INTEGRIN ALPHA
Hgig_05137RIBONUCLEASE H2 SUBUNIT B
Hgig_05138CCAAT/ENHANCER BINDING PROTEIN
Hgig_05139
Hgig_05140ADIPOR/PROGESTIN RECEPTOR-RELATED
Hgig_05141MAJOR FACILITATOR SUPERFAMILY PROTEIN-RELATED
Hgig_05142MAJOR FACILITATOR SUPERFAMILY PROTEIN-RELATED
Hgig_05143ALPHA-(1,3)-FUCOSYLTRANSFERASE C-RELATED
Hgig_05144AMINO ACID TRANSPORTER
Hgig_05145
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