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_09747
Hgig_09748
Hgig_09749DIHYDROLIPOAMIDE ACETYL/SUCCINYL-TRANSFERASE-RELATED
Hgig_09750ZINC FINGER PROTEIN 330
Hgig_09751ZINC FINGER PROTEIN 330
Hgig_09752
Hgig_09753OLIGOPHRENIN 1
Hgig_09754OLIGOPHRENIN 1
Hgig_09755ENDONUCLEASE
Hgig_09756
Hgig_09757CHITINASE
Hgig_09758
Hgig_09759
Hgig_09760
Hgig_09761
Hgig_09762
Hgig_09763
Hgig_09764ARL14 EFFECTOR PROTEIN
Hgig_09765
Hgig_09766
Hgig_09767ATP-BINDING CASSETTE SUB-FAMILY B
Hgig_09768ABC TRANSPORTER B FAMILY
Hgig_09769ATP-BINDING CASSETTE SUB-FAMILY B
Hgig_09770APPLE DOMAIN-CONTAINING PROTEIN
Hgig_09771
Hgig_09772
Hgig_09773
Hgig_09774
Hgig_09775
Hgig_09776TRANSPOSABLE ELEMENT-RELATED
Hgig_09777ZINC FINGER CCHC DOMAIN-CONTAINING PROTEIN 7
Hgig_09778E3 UBIQUITIN-PROTEIN LIGASE NHLRC1-RELATED
Hgig_09779BONUS, ISOFORM C-RELATED
Hgig_09780
Hgig_09781PROTEIN ARGININE N-METHYLTRANSFERASE
Hgig_09782
Hgig_09783
Hgig_09784
Hgig_09785NEGATIVE ELONGATION FACTOR D
Hgig_09786NEGATIVE ELONGATION FACTOR D
Hgig_09787IP22168P
Hgig_09788
Hgig_09789
Hgig_09790AAA DOMAIN-CONTAINING
Hgig_09791GLYCOSYLATED LYSOSOMAL MEMBRANE PROTEIN
Hgig_09792
Hgig_09793PROTOPORPHYRINOGEN OXIDASE
Hgig_09794
Hgig_09795
Hgig_09796
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