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_27649
Hgig_27650
Hgig_27651ENDO/EXONUCLEASE/PHOSPHATASE DOMAIN-CONTAINING PROTEIN
Hgig_27652ENDO/EXONUCLEASE/PHOSPHATASE DOMAIN-CONTAINING PROTEIN
Hgig_27653REVERSE TRANSCRIPTASE DOMAIN-CONTAINING PROTEIN
Hgig_27654
Hgig_27655RIBONUCLEASE H1
Hgig_27656
Hgig_27657ZN-FINGER, C-X8-C-X5-C-X3-H TYPE-CONTAINING
Hgig_27658
Hgig_27659PROTEIN CBG27172
Hgig_27660
Hgig_27661
Hgig_27662ZINC FINGER PROTEIN
Hgig_27663TRANSPOSABLE ELEMENT TC3 TRANSPOSASE-LIKE PROTEIN
Hgig_27664
Hgig_27665
Hgig_27666
Hgig_27667ZINC FINGER AND BTB DOMAIN-CONTAINING
Hgig_27668TRANSPOSABLE ELEMENT TC3 TRANSPOSASE-LIKE PROTEIN
Hgig_27669TRANSPOSABLE ELEMENT TC3 TRANSPOSASE-LIKE PROTEIN
Hgig_27670TRANSPOSABLE ELEMENT TC3 TRANSPOSASE-LIKE PROTEIN
Hgig_27671ZINC FINGER PROTEIN
Hgig_27672TRANSPOSABLE ELEMENT-RELATED
Hgig_27673
Hgig_27674
Hgig_27675TRANSPOSABLE ELEMENT-RELATED
Hgig_27676CXC DOMAIN-CONTAINING PROTEIN-RELATED
Hgig_27677
Hgig_27678TRANSPOSASE-RELATED
Hgig_27679
Hgig_27680REVERSE TRANSCRIPTASES
Hgig_27681ENDO/EXONUCLEASE/PHOSPHATASE DOMAIN-CONTAINING PROTEIN
Hgig_27682ENDO/EXONUCLEASE/PHOSPHATASE DOMAIN-CONTAINING PROTEIN
Hgig_27683REVERSE TRANSCRIPTASE
Hgig_27684
Hgig_27685
Hgig_27686
Hgig_27687
Hgig_27688KRUEPPEL-LIKE TRANSCRIPTION FACTOR
Hgig_27689ENDO/EXONUCLEASE/PHOSPHATASE DOMAIN-CONTAINING PROTEIN
Hgig_27690ZINC FINGER PROTEIN
Hgig_27691
Hgig_27692PROTEIN-GLUTAMINE GAMMA-GLUTAMYLTRANSFERASE
Hgig_27693LD33804P
Hgig_27694
Hgig_27695REVERSE TRANSCRIPTASE
Hgig_27696TRANSPOSABLE ELEMENT-RELATED
Hgig_27697
Hgig_27698REVERSE TRANSCRIPTASE DOMAIN-CONTAINING PROTEIN
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