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_07997PHOSPHOTYROSINE INTERACTION DOMAIN-CONTAINING FAMILY MEMBER
Hgig_07998TUBULIN
Hgig_07999ENDONUCLEASE
Hgig_08000
Hgig_08001
Hgig_08002PROTEIN FARNESYLTRANSFERASE ALPHA SUBUNIT/RAB GERANYLGERANYL TRANSFERASE ALPHA SUBUNIT
Hgig_08003AAA DOMAIN-CONTAINING
Hgig_08004AAA-FAMILY ATPASE
Hgig_08005PROTEIN CBG27172
Hgig_08006
Hgig_08007
Hgig_08008NUCLEAR PORE COMPLEX PROTEIN NUP
Hgig_08009-
Hgig_08010
Hgig_08011
Hgig_08012FRUCTOSE-2,6-BISPHOSPHATASE TIGAR
Hgig_08013KDEL LYS-ASP-GLU-LEU CONTAINING - RELATED
Hgig_08014
Hgig_08015
Hgig_08016
Hgig_08017
Hgig_08018HMG DOMAIN-CONTAINING PROTEIN 4
Hgig_08019PHAGE_INTEGRASE DOMAIN-CONTAINING PROTEIN
Hgig_08020
Hgig_08021ALANINE RACEMASE
Hgig_08022
Hgig_08023
Hgig_08024
Hgig_08025
Hgig_08026ETHANOLAMINEPHOSPHOTRANSFERASE
Hgig_08027ALANINE RACEMASE
Hgig_08028PEPTIDYL-GLYCINE ALPHA-AMIDATING MONOOXYGENASE
Hgig_08029
Hgig_08030RUVB-RELATED REPTIN AND PONTIN
Hgig_08031
Hgig_08032REVERSE TRANSCRIPTASE DOMAIN-CONTAINING PROTEIN
Hgig_08033
Hgig_08034LEUCINE-ZIPPER-LIKE TRANSCRIPTIONAL REGULATOR 1
Hgig_08035
Hgig_08036IMPORTIN ALPHA
Hgig_08037
Hgig_08038
Hgig_08039
Hgig_08040
Hgig_08041DEFECTIVE PROBOSCIS EXTENSION RESPONSE DPR -RELATED
Hgig_08042CTX-RELATED TYPE I TRANSMEMBRANE PROTEIN
Hgig_08043
Hgig_08044
Hgig_08045FORMIMINOTRANSFERASE-CYCLODEAMINASE
Hgig_08046FORMIMINOTRANSFERASE-CYCLODEAMINASE
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