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_24897TAXILIN
Hgig_24898
Hgig_24899G-PROTEIN COUPLED RECEPTOR
Hgig_24900
Hgig_24901REVERSE TRANSCRIPTASE
Hgig_24902
Hgig_24903REVERSE TRANSCRIPTASE
Hgig_24904REVERSE TRANSCRIPTASE
Hgig_24905
Hgig_24906RIBOFLAVIN TRANSPORTER RIBJ
Hgig_24907SYNAPTOTAGMIN
Hgig_24908
Hgig_24909REVERSE TRANSCRIPTASE
Hgig_24910REVERSE TRANSCRIPTASE
Hgig_24911REVERSE TRANSCRIPTASE DOMAIN-CONTAINING PROTEIN
Hgig_24912
Hgig_24913TRANSMEMBRANE PROTEIN 242
Hgig_24914
Hgig_24915
Hgig_24916
Hgig_24917
Hgig_24918NUCLEAR PROTEIN MDM1
Hgig_24919ANKYRIN REPEAT, PH AND SEC7 DOMAIN CONTAINING PROTEIN SECG-RELATED
Hgig_24920POTE ANKYRIN DOMAIN
Hgig_24921ANK_REP_REGION DOMAIN-CONTAINING PROTEIN-RELATED
Hgig_24922POTE ANKYRIN DOMAIN
Hgig_24923MSL2-RELATED
Hgig_24924
Hgig_24925
Hgig_24926
Hgig_24927GAG-RELATED PROTEIN
Hgig_24928
Hgig_24929NUCLEOLAR PROTEIN 7/ESTROGEN RECEPTOR COACTIVATOR-RELATED
Hgig_24930ZINC FINGER PROTEIN
Hgig_24931E3 UBIQUITIN-PROTEIN LIGASE TM129
Hgig_24932
Hgig_24933
Hgig_24934
Hgig_24935ENHANCER OF MRNA-DECAPPING PROTEIN 4
Hgig_24936RAS, DI-RAS, AND RHEB FAMILY MEMBERS OF SMALL GTPASE SUPERFAMILY
Hgig_24937
Hgig_24938SYNEMBRYN
Hgig_24939
Hgig_24940
Hgig_24941CELL DIVISION PROTEIN KINASE
Hgig_24942UNCHARACTERIZED
Hgig_24943CELL DIVISION PROTEIN KINASE
Hgig_24944DNA-DIRECTED RNA POLYMERASE I,II,III
Hgig_24945
Hgig_24946MUCOLIPIN
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