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_27749ZINC FINGER PROTEIN
Hgig_27750
Hgig_27751
Hgig_27752
Hgig_27753NUCLEAR RECEPTOR SUBFAMILY 5 GROUP A
Hgig_27754
Hgig_27755
Hgig_27756
Hgig_27757PROTEIN CBG26694
Hgig_27758PROTEIN-GLUTAMINE GAMMA-GLUTAMYLTRANSFERASE
Hgig_27759
Hgig_27760TRANSPOSABLE ELEMENT-RELATED
Hgig_27761REVERSE TRANSCRIPTASES
Hgig_27762REVERSE TRANSCRIPTASE DOMAIN-CONTAINING PROTEIN
Hgig_27763POL PROTEIN
Hgig_27764ENDONUCLEASE-RELATED
Hgig_27765REVERSE TRANSCRIPTASE DOMAIN-CONTAINING PROTEIN
Hgig_27766
Hgig_27767
Hgig_27768
Hgig_27769TRANSPOSABLE ELEMENT TC3 TRANSPOSASE-LIKE PROTEIN
Hgig_27770UNCHARACTERIZED
Hgig_27771CXC DOMAIN-CONTAINING PROTEIN-RELATED
Hgig_27772ZINC FINGER PROTEIN
Hgig_27773PROTEIN CBG27172
Hgig_27774TRANSPOSABLE ELEMENT TC3 TRANSPOSASE-LIKE PROTEIN
Hgig_27775REVERSE TRANSCRIPTASES
Hgig_27776REVERSE TRANSCRIPTASE DOMAIN-CONTAINING PROTEIN
Hgig_27777PROTEIN CBG27172
Hgig_27778ZINC FINGER PROTEIN
Hgig_27779MEMBRANE ASSOCIATED GUANYLATE KINASE-RELATED
Hgig_27780ZINC FINGER PROTEIN 142
Hgig_27781
Hgig_27782RNA BINDING PROTEIN
Hgig_27783PROTEIN CBG27172
Hgig_27784
Hgig_27785COATOMER
Hgig_27786REVERSE TRANSCRIPTASE
Hgig_27787LD33804P
Hgig_27788
Hgig_27789
Hgig_27790TRANSPOSABLE ELEMENT TC3 TRANSPOSASE-LIKE PROTEIN
Hgig_27791
Hgig_27792
Hgig_27793
Hgig_27794HSC70CB, ISOFORM G-RELATED
Hgig_27795
Hgig_27796PROTEIN O-LINKED-MANNOSE BETA-1,2-N-ACETYLGLUCOSAMINYLTRANSFERASE 1
Hgig_27797SERINE/THREONINE-PROTEIN PHOSPHATASE PP2A 65 KDA REGULATORY SUBUNIT
Hgig_27798ZINC FINGER BED DOMAIN-CONTAINING PROTEIN 4
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