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_04846
Hgig_04847
Hgig_04848
Hgig_04849
Hgig_04850REVERSE TRANSCRIPTASES
Hgig_04851
Hgig_04852
Hgig_04853GDNF RECEPTOR ALPHA
Hgig_04854
Hgig_04855
Hgig_04856INNER NUCLEAR MEMBRANE PROTEIN MAN1 LEM DOMAIN CONTAINING PROTEIN
Hgig_04857
Hgig_04858UNCHARACTERIZED
Hgig_04859
Hgig_04860
Hgig_04861PHAGE_INTEGRASE DOMAIN-CONTAINING PROTEIN
Hgig_04862
Hgig_04863
Hgig_04864
Hgig_04865
Hgig_04866TAX1 BINDING PROTEIN-RELATED
Hgig_04867
Hgig_04868BIFUNCTIONAL POLYNUCLEOTIDE PHOSPHATASE/KINASE
Hgig_04869
Hgig_04870
Hgig_04871TRANSIENT RECEPTOR POTENTIAL ION CHANNEL PROTEIN
Hgig_04872ANKYRIN REPEAT AND ZINC FINGER DOMAIN-CONTAINING PROTEIN 1
Hgig_04873ANKYRIN REPEAT AND ZINC FINGER DOMAIN-CONTAINING PROTEIN 1
Hgig_04874
Hgig_04875PROTEIN MCM10 HOMOLOG
Hgig_04876
Hgig_04877INTIMAL THICKNESS RECEPTOR-RELATED
Hgig_04878
Hgig_04879
Hgig_04880OVOCHYMASE-RELATED
Hgig_04881TRYPTASE-RELATED
Hgig_04882OSJNBA0013A04.12 PROTEIN
Hgig_04883CARDIOACCELERATORY PEPTIDE RECEPTOR-RELATED
Hgig_04884
Hgig_04885MEMBRANE ASSOCIATED GUANYLATE KINASE-RELATED
Hgig_04886
Hgig_04887METALLOPROTEASE TLDD
Hgig_04888PROTEASOME SUBUNIT ALPHA/BETA
Hgig_04889OSJNBA0013A04.12 PROTEIN
Hgig_04890ADP-RIBOSYLATION FACTOR-LIKE PROTEIN 13B
Hgig_04891REVERSE TRANSCRIPTASES
Hgig_04892NAD-DEPENDENT PROTEIN DEACYLASE SIRTUIN-5, MITOCHONDRIAL-RELATED
Hgig_04893
Hgig_04894PROTEASOME SUBUNIT ALPHA/BETA
Hgig_04895
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