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_24847REVERSE TRANSCRIPTASE DOMAIN-CONTAINING PROTEIN
Hgig_24848
Hgig_24849PROTEIN CBG23766
Hgig_24850SOLUTE CARRIER FAMILY 22 MEMBER
Hgig_24851
Hgig_24852
Hgig_24853
Hgig_24854TRANSPOSABLE ELEMENT TC3 TRANSPOSASE-LIKE PROTEIN
Hgig_24855
Hgig_24856ZINC KNUCKLE DOMAINCONTAINING PROTEIN-RELATED
Hgig_24857
Hgig_24858AGL056WP
Hgig_24859CADHERIN-23
Hgig_24860CADHERIN-23
Hgig_24861
Hgig_24862
Hgig_24863
Hgig_24864
Hgig_24865
Hgig_24866
Hgig_24867
Hgig_24868
Hgig_24869
Hgig_24870
Hgig_24871CARBOHYDRATE SULFOTRANSFERASE
Hgig_24872RIBONUCLEASE H1
Hgig_24873CARBOHYDRATE SULFOTRANSFERASE
Hgig_24874
Hgig_24875
Hgig_24876PLASMINOGEN RECEPTOR (KT)
Hgig_24877DNA PRIMASE SMALL SUBUNIT
Hgig_24878RHO FAMILY GTPASE
Hgig_24879UNR PROTEIN N-RAS UPSTREAM GENE PROTEIN
Hgig_24880REVERSE TRANSCRIPTASE
Hgig_24881
Hgig_24882DNA PRIMASE SMALL SUBUNIT
Hgig_24883
Hgig_24884
Hgig_24885PAIRED BOX PROTEIN PAX-6-RELATED-RELATED
Hgig_24886REVERSE TRANSCRIPTASE DOMAIN-CONTAINING PROTEIN
Hgig_24887PAIRED BOX PROTEIN PAX-6-RELATED-RELATED
Hgig_24888PROTEIN CBG27172
Hgig_24889PAIRED BOX PROTEIN PAX-6-RELATED-RELATED
Hgig_24890VITELLOGENIN RECEPTOR-LIKE PROTEIN-RELATED-RELATED
Hgig_24891APOPTOGENIC PROTEIN 1, MITOCHONDRIAL
Hgig_24892APOPTOGENIC PROTEIN 1, MITOCHONDRIAL
Hgig_24893-
Hgig_24894TAXILIN
Hgig_24895
Hgig_24896REVERSE TRANSCRIPTASE
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