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_01846NUCLEAR PORE COMPLEX PROTEIN NUP205
Hgig_01847GLYCINE N-METHYLTRANSFERASE
Hgig_01848UNCHARACTERIZED
Hgig_01849ETS
Hgig_01850
Hgig_01851TRANSPOSABLE ELEMENT TC3 TRANSPOSASE-LIKE PROTEIN
Hgig_01852
Hgig_01853PHOSPHOLIPASE D
Hgig_01854
Hgig_01855ZINC METALLOPROTEINASE-RELATED
Hgig_01856NEUROPEPTIDE Y RECEPTOR
Hgig_01857NEUROPEPTIDE Y RECEPTOR
Hgig_01858
Hgig_01859NEUROPEPTIDE Y RECEPTOR
Hgig_01860NEUROPEPTIDE Y RECEPTOR
Hgig_01861
Hgig_01862
Hgig_01863REVERSE TRANSCRIPTASE
Hgig_01864KREV INTERACTION TRAPPED 1-RELATED
Hgig_01865
Hgig_01866
Hgig_01867TRANSPOSABLE ELEMENT TC3 TRANSPOSASE-LIKE PROTEIN
Hgig_01868SIDESTEP PROTEIN
Hgig_01869REVERSE TRANSCRIPTASE
Hgig_01870POLY A POLYMERASE CID PAP -RELATED
Hgig_01871
Hgig_01872
Hgig_01873
Hgig_01874
Hgig_01875PROTEIN CBG27172
Hgig_01876DEFECTIVE PROBOSCIS EXTENSION RESPONSE DPR -RELATED
Hgig_01877
Hgig_01878PROTEIN CBG27172
Hgig_01879BREAST CANCER TYPE 1 SUSCEPTIBILITY PROTEIN BRCA1
Hgig_01880
Hgig_01881
Hgig_01882RING FINGER DOMAIN-CONTAINING
Hgig_01883BREAST CANCER TYPE 1 SUSCEPTIBILITY PROTEIN BRCA1
Hgig_01884
Hgig_01885
Hgig_01886
Hgig_01887G-PROTEIN COUPLED RECEPTOR B0563.6-LIKE PROTEIN-RELATED
Hgig_01888DUAL SPECIFICITY PROTEIN KINASE
Hgig_0188960S RIBOSOMAL PROTEIN L3-RELATED
Hgig_01890LISH DOMAIN-CONTAINING PROTEIN ARMC9
Hgig_01891
Hgig_01892KRAB AND ZINC FINGER DOMAIN-CONTAINING
Hgig_01893ZINC FINGER PROTEIN
Hgig_01894GLUTAMINE SYNTHETASE
Hgig_01895GLUTAMINE SYNTHETASE
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