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_04596
Hgig_04597GLUTAMINYL-PEPTIDE CYCLOTRANSFERASE
Hgig_04598
Hgig_04599
Hgig_04600LD15586P
Hgig_04601GAMMA-BUTYROBETAINE HYDROXYLASE-RELATED
Hgig_04602SELENOPROTEIN T
Hgig_04603PYRUVOYL TETRAHYDROBIOPTERIN SYNTHASE
Hgig_04604MICROTUBULE ASSOCIATED PROTEIN XMAP215
Hgig_04605MICROTUBULE ASSOCIATED PROTEIN XMAP215
Hgig_04606MICROTUBULE ASSOCIATED PROTEIN XMAP215
Hgig_04607MICROTUBULE ASSOCIATED PROTEIN XMAP215
Hgig_04608P-TYPE CATION-TRANSPORTING ATPASE
Hgig_04609MICROTUBULE ASSOCIATED PROTEIN XMAP215
Hgig_04610MICROTUBULE ASSOCIATED PROTEIN XMAP215
Hgig_04611ADENOSYLHOMOCYSTEINASE
Hgig_04612REVERSE TRANSCRIPTASE DOMAIN-CONTAINING PROTEIN
Hgig_04613
Hgig_04614TATA ELEMENT MODULATORY FACTOR TMF1
Hgig_04615
Hgig_04616TATA ELEMENT MODULATORY FACTOR TMF1
Hgig_04617DEDICATOR OF CYTOKINESIS
Hgig_04618DEDICATOR OF CYTOKINESIS
Hgig_04619DEDICATOR OF CYTOKINESIS
Hgig_04620KRUEPPEL-LIKE TRANSCRIPTION FACTOR
Hgig_04621FORKHEAD BOX PROTEIN O
Hgig_04622FORKHEAD BOX PROTEIN O
Hgig_04623
Hgig_04624
Hgig_04625UNCHARACTERIZED
Hgig_04626
Hgig_04627
Hgig_04628
Hgig_04629
Hgig_04630TRANSMEMBRANE GTPASE FZO1
Hgig_04631
Hgig_04632GLYCOSYLPHOSPHATIDYLINOSITOL ANCHOR ATTACHMENT 1 PROTEIN
Hgig_04633
Hgig_04634
Hgig_04635
Hgig_04636
Hgig_04637HOMEOBOX PROTEIN GBX
Hgig_04638HOMEOBOX PROTEIN GBX
Hgig_04639CTX-RELATED TYPE I TRANSMEMBRANE PROTEIN
Hgig_04640
Hgig_04641DEFECTIVE PROBOSCIS EXTENSION RESPONSE DPR -RELATED
Hgig_04642
Hgig_04643
Hgig_04644REVERSE TRANSCRIPTASE
Hgig_04645
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