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_26799
Hgig_26800
Hgig_26801
Hgig_26802
Hgig_26803REVERSE TRANSCRIPTASE
Hgig_26804
Hgig_26805RAB-GAP/TBC-RELATED
Hgig_26806
Hgig_26807
Hgig_26808
Hgig_26809AUXILIN/CYCLIN G-ASSOCIATED KINASE-RELATED
Hgig_26810
Hgig_26811PROTEIN STAR
Hgig_26812PROTEIN STAR
Hgig_26813
Hgig_26814SPHINGOSINE-1-PHOSPHATE PHOSPHOHYDROLASE
Hgig_26815
Hgig_26816
Hgig_26817ZINC FINGER AND BTB DOMAIN-CONTAINING
Hgig_26818
Hgig_26819METHYLTHIOADENOSINE/PURINE NUCLEOSIDE PHOSPHORYLASE
Hgig_26820METHYLTHIOADENOSINE/PURINE NUCLEOSIDE PHOSPHORYLASE
Hgig_26821METHYLTHIOADENOSINE/PURINE NUCLEOSIDE PHOSPHORYLASE
Hgig_26822METHYLTHIOADENOSINE/PURINE NUCLEOSIDE PHOSPHORYLASE
Hgig_26823
Hgig_26824
Hgig_26825REVERSE TRANSCRIPTASE DOMAIN-CONTAINING PROTEIN
Hgig_26826
Hgig_26827KELCH PROTEIN
Hgig_26828ATP-DEPENDENT RNA HELICASE DBP3
Hgig_26829
Hgig_26830
Hgig_26831RIBOSOMAL PROTEIN S6 KINASE
Hgig_26832
Hgig_26833P140CAP/SNIP-RELATED
Hgig_26834P140CAP/SNIP-RELATED
Hgig_26835MIP08469P
Hgig_26836
Hgig_26837
Hgig_26838REVERSE TRANSCRIPTASE DOMAIN-CONTAINING PROTEIN
Hgig_26839
Hgig_26840
Hgig_26841
Hgig_26842
Hgig_26843
Hgig_26844
Hgig_26845FAS-ASSOCIATED PROTEIN
Hgig_26846
Hgig_26847PROTEASOME REGULATOR PA28
Hgig_26848
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