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_02896
Hgig_02897CYCLINS
Hgig_02898SER/THR-RICH PROTEIN T10 IN DGCR REGION
Hgig_02899ORIGIN RECOGNITION COMPLEX SUBUNIT 4
Hgig_02900
Hgig_02901
Hgig_02902BEAT PROTEIN
Hgig_02903
Hgig_02904
Hgig_02905SNF5
Hgig_02906
Hgig_02907REVERSE TRANSCRIPTASES
Hgig_02908
Hgig_02909ADP RIBOSYLATION FACTOR-RELATED
Hgig_02910UBIQUITIN-ACTIVATING ENZYME E1
Hgig_02911MITOCHONDRIAL 28S RIBOSOMAL PROTEIN S10
Hgig_02912HEME-BINDING PROTEIN-RELATED
Hgig_02913TRANSCRIPTION ELONGATION FACTOR B POLYPEPTIDE 2
Hgig_02914
Hgig_02915REVERSE TRANSCRIPTASE
Hgig_02916N 2 ,N 2 -DIMETHYLGUANOSINE TRNA METHYLTRANSFERASE
Hgig_02917HYDROLASE-RELATED
Hgig_02918
Hgig_02919
Hgig_02920
Hgig_02921
Hgig_02922DEP DOMAIN CONTAINING PROTEIN 5
Hgig_02923
Hgig_02924
Hgig_02925REVERSE TRANSCRIPTASE
Hgig_02926
Hgig_02927MATRIX METALLOPROTEINASE
Hgig_02928
Hgig_02929
Hgig_02930
Hgig_02931STRUCTURAL CONTITUENT OF CUTICLE
Hgig_02932MANNOSE, PHOSPHOLIPASE, LECTIN RECEPTOR RELATED
Hgig_02933MANNOSE, PHOSPHOLIPASE, LECTIN RECEPTOR RELATED
Hgig_02934MANNOSE, PHOSPHOLIPASE, LECTIN RECEPTOR RELATED
Hgig_02935MANNOSE, PHOSPHOLIPASE, LECTIN RECEPTOR RELATED
Hgig_02936MANNOSE, PHOSPHOLIPASE, LECTIN RECEPTOR RELATED
Hgig_02937C-TYPE LECTIN DOMAIN-CONTAINING PROTEIN 180
Hgig_02938QUINONE OXIDOREDUCTASE
Hgig_02939
Hgig_02940
Hgig_02941
Hgig_02942
Hgig_02943INTEGRIN BETA SUBUNIT
Hgig_02944INTEGRIN BETA SUBUNIT
Hgig_02945
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