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_22197DEFECTIVE PROBOSCIS EXTENSION RESPONSE DPR -RELATED
Hgig_22198FIBRINOGEN/TENASCIN/ANGIOPOEITIN
Hgig_22199FIBRINOGEN/TENASCIN/ANGIOPOEITIN
Hgig_22200FIBRINOGEN/TENASCIN/ANGIOPOEITIN
Hgig_22201FIBRINOGEN/TENASCIN/ANGIOPOEITIN
Hgig_22202FIBRINOGEN/TENASCIN/ANGIOPOEITIN
Hgig_22203CDC45-RELATED PROTEIN
Hgig_22204BTB DOMAIN TRANSCRIPTION FACTOR
Hgig_22205
Hgig_22206
Hgig_22207TOL-PAL SYSTEM PROTEIN TOLA
Hgig_22208COMPLEMENT COMPONENT-RELATED SUSHI DOMAIN-CONTAINING
Hgig_22209EG:EG0003.4 PROTEIN-RELATED
Hgig_22210GLUCOSE-1-PHOSPHATE THYMIDYLTRANSFERASE
Hgig_22211-
Hgig_22212-
Hgig_22213
Hgig_22214TRANSPOSABLE ELEMENT TC3 TRANSPOSASE-LIKE PROTEIN
Hgig_22215F-BOX DOMAIN CONTAINING PROTEIN, EXPRESSED
Hgig_22216MONOCARBOXYLATE TRANSPORTER
Hgig_22217MONOCARBOXYLATE TRANSPORTER
Hgig_22218PROSTAGLANDIN REDUCTASE
Hgig_22219DISCOIDIN, CUB, EGF, LAMININ , AND ZINC METALLOPROTEASE DOMAIN CONTAINING
Hgig_22220DISCOIDIN, CUB, EGF, LAMININ , AND ZINC METALLOPROTEASE DOMAIN CONTAINING
Hgig_22221DISCOIDIN, CUB, EGF, LAMININ , AND ZINC METALLOPROTEASE DOMAIN CONTAINING
Hgig_22222
Hgig_22223DISCOIDIN, CUB, EGF, LAMININ , AND ZINC METALLOPROTEASE DOMAIN CONTAINING
Hgig_22224
Hgig_22225XK-RELATED PROTEIN
Hgig_22226
Hgig_22227
Hgig_22228LIPASE
Hgig_22229LIPASE
Hgig_22230LIPASE
Hgig_22231METHYLTRANSF_11 DOMAIN-CONTAINING PROTEIN
Hgig_22232METHYLTRANSF_11 DOMAIN-CONTAINING PROTEIN
Hgig_22233OXIDOREDUCTASE NAD-BINDING DOMAIN-CONTAINING PROTEIN 1
Hgig_22234
Hgig_22235
Hgig_22236
Hgig_22237REVERSE TRANSCRIPTASES
Hgig_22238F-BOX DOMAIN CONTAINING PROTEIN, EXPRESSED
Hgig_22239
Hgig_22240HEPARAN SULFATE 6-O-SULFOTRANSFERASE 3
Hgig_22241
Hgig_22242
Hgig_22243
Hgig_22244CYCLIN-DEPENDENT KINASE INHIBITOR 1
Hgig_22245DNA-DIRECTED RNA POLYMERASES I, II, AND III SUBUNIT RPABC1
Hgig_22246
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