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_18897INTRAFLAGELLAR TRANSPORT PROTEIN 122 FAMILY PROTEIN-RELATED
Hgig_18898BTB DOMAIN TRANSCRIPTION FACTOR
Hgig_18899ACROSIN-RELATED
Hgig_18900AGAP007109-PA
Hgig_18901
Hgig_18902POTASSIUM CHANNEL, SUBFAMILY K
Hgig_18903POTASSIUM CHANNEL, SUBFAMILY K
Hgig_18904
Hgig_18905PEPTIDYLPROLYL ISOMERASE
Hgig_18906THREONINE SYNTHASE FAMILY MEMBER
Hgig_18907N-ACETYLGALACTOSAMINYLTRANSFERASE
Hgig_18908SODIUM/CHLORIDE DEPENDENT TRANSPORTER
Hgig_18909
Hgig_18910
Hgig_18911PHOSPHATIDYLINOSITOL GLYCAN, CLASS N
Hgig_1891240S RIBOSOMAL PROTEIN S12
Hgig_18913
Hgig_18914PHOSPHATIDYLINOSITOL GLYCAN, CLASS N
Hgig_1891540S RIBOSOMAL PROTEIN S12
Hgig_18916LEUCINE-RICH REPEAT-CONTAINING PROTEIN 73
Hgig_18917
Hgig_18918
Hgig_18919ZINC FINGER RNA-BINDING PROTEIN
Hgig_18920WD-REPEAT PROTEIN INTERACTING WITH PHOSPHOINOSIDES WIPI -RELATED
Hgig_18921WD-REPEAT PROTEIN INTERACTING WITH PHOSPHOINOSIDES WIPI -RELATED
Hgig_18922
Hgig_18923TRANSPOSABLE ELEMENT-RELATED
Hgig_18924N6-ADENOSINE-METHYLTRANSFERASE
Hgig_18925GLIOMA TUMOR SUPPRESSOR CANDIDATE REGION GENE 1
Hgig_18926
Hgig_18927SERINE/THREONINE-PROTEIN KINASE
Hgig_18928REVERSE TRANSCRIPTASES
Hgig_18929
Hgig_18930RIBONUCLEASE H1
Hgig_18931HOMEOBOX PROTEIN
Hgig_18932HOMEOBOX PROTEIN
Hgig_18933
Hgig_18934WD REPEAT PROTEIN 8-RELATED
Hgig_18935UNCHARACTERIZED
Hgig_18936DNA MISMATCH REPAIR PROTEIN MUTS FAMILY MEMBER
Hgig_18937
Hgig_18938
Hgig_18939PROTEIN/NUCLEIC ACID DEGLYCASE DJ-1-RELATED
Hgig_18940N-ACETYLGLUCOSAMINE-6-SULFATASE FAMILY MEMBER
Hgig_18941PROTEIN/NUCLEIC ACID DEGLYCASE DJ-1-RELATED
Hgig_18942
Hgig_18943
Hgig_18944
Hgig_18945REVERSE TRANSCRIPTASE DOMAIN-CONTAINING PROTEIN
Hgig_18946
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