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_20897METALLOPHOSPHOESTERASE, CALCINEURIN SUPERFAMILY
Hgig_20898
Hgig_20899PEFLIN
Hgig_20900
Hgig_20901TRANSCRIPTASE, PUTATIVE-RELATED-RELATED
Hgig_20902
Hgig_20903REVERSE TRANSCRIPTASES
Hgig_20904BUCENTAUR RELATED
Hgig_20905RIBONUCLEASE H1
Hgig_20906RIBONUCLEASE H1
Hgig_20907
Hgig_20908ENDO/EXONUCLEASE/PHOSPHATASE DOMAIN-CONTAINING PROTEIN
Hgig_20909
Hgig_20910
Hgig_20911
Hgig_20912
Hgig_20913
Hgig_20914
Hgig_20915
Hgig_20916
Hgig_20917SERINE/THREONINE-PROTEIN KINASE RIO1
Hgig_20918ZINC FINGER BED DOMAIN-CONTAINING PROTEIN 4
Hgig_20919
Hgig_20920
Hgig_20921PHAGE_INTEGRASE DOMAIN-CONTAINING PROTEIN
Hgig_20922NEUROPEPTIDE RECEPTOR-RELATED G-PROTEIN COUPLED RECEPTOR
Hgig_20923REVERSE TRANSCRIPTASE
Hgig_20924
Hgig_20925CADHERIN-23
Hgig_20926
Hgig_20927CADHERIN-23
Hgig_20928
Hgig_20929
Hgig_20930
Hgig_20931CALPAIN
Hgig_20932
Hgig_20933
Hgig_20934NPC INTRACELLULAR CHOLESTEROL TRANSPORTER 1
Hgig_20935LD39211P
Hgig_20936NUCLEAR PORE COMPLEX PROTEIN SEC13 / SEH1 FAMILY MEMBER
Hgig_20937
Hgig_20938MUCOSA ASSOCIATED LYMPHOID TISSUE LYMPHOMA TRANSLOCATION PROTEIN 1/PARACASPASE
Hgig_20939
Hgig_20940PROTEIN C20ORF24 RAB5-INTERACTING PROTEIN
Hgig_20941KINESIN-LIKE PROTEIN KIF11
Hgig_20942
Hgig_20943
Hgig_20944ADP RIBOSYLATION FACTOR-RELATED
Hgig_20945
Hgig_20946BETA-1,3-N-ACETYLGLUCOSAMINYLTRANSFERASE
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