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_21947MISSHAPEN LIKE KINASE 1
Hgig_21948BARDET-BIEDL SYNDROME 1 PROTEIN
Hgig_21949UNCHARACTERIZED
Hgig_21950UBIQUITIN CARBOXYL-TERMINAL HYDROLASE
Hgig_21951TRNA-DIHYDROURIDINE(20) SYNTHASE [NAD(P)+]-LIKE
Hgig_21952ARYLSULFATASE
Hgig_21953
Hgig_21954GC-RICH SEQUENCE DNA-BINDING FACTOR
Hgig_21955
Hgig_21956
Hgig_21957
Hgig_21958ALPHA-GLUCOSIDASE
Hgig_21959DNA-DIRECTED RNA POLYMERASE I SUBUNIT RPA49
Hgig_21960
Hgig_21961
Hgig_21962BEAT PROTEIN
Hgig_21963N-ALPHA-ACETYLTRANSFERASE
Hgig_21964U1 SMALL NUCLEAR RIBONUCLEOPROTEIN 70 KD
Hgig_21965
Hgig_21966THROMBOSPONDIN TYPE I DOMAIN-CONTAINING 1
Hgig_21967TUMOR SUSCEPTIBILITY GENE 101 PROTEIN-RELATED
Hgig_21968NEDD4 FAMILY INTERACTING PROTEIN 1/2
Hgig_21969
Hgig_21970REVERSE TRANSCRIPTASE
Hgig_21971GLUCOSE-METHANOL-CHOLINE GMC OXIDOREDUCTASE
Hgig_21972
Hgig_21973BTB DOMAIN TRANSCRIPTION FACTOR
Hgig_21974ZINC TRANSPORTER SLC39A7 HISTIDINE-RICH MEMBRANE PROTEIN KE4
Hgig_21975
Hgig_21976
Hgig_21977
Hgig_21978
Hgig_21979
Hgig_21980
Hgig_21981
Hgig_21982PROTEIN CBG11604
Hgig_21983LYSOSOMAL ACID LIPASE-RELATED
Hgig_21984
Hgig_21985UNCHARACTERIZED
Hgig_21986
Hgig_21987FUCOSE MUTAROTASE
Hgig_21988EXONUCLEASE, PHAGE-TYPE/RECB, C-TERMINAL DOMAIN-CONTAINING PROTEIN
Hgig_21989
Hgig_21990
Hgig_21991
Hgig_21992
Hgig_21993
Hgig_21994PROTEIN KINASE C, MU
Hgig_21995
Hgig_21996
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