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_21047
Hgig_21048PROTON CHANNEL OTOP
Hgig_21049CONSERVED OLIGOMERIC GOLGI COMPLEX SUBUNIT 4
Hgig_21050CONSERVED OLIGOMERIC GOLGI COMPLEX SUBUNIT 4
Hgig_21051
Hgig_21052
Hgig_21053
Hgig_21054ZINC METALLOPROTEASE FAMILY M13 NEPRILYSIN-RELATED
Hgig_21055LIPASE
Hgig_21056LIPASE
Hgig_21057LIPASE
Hgig_21058
Hgig_21059MIP04163P
Hgig_21060TRANSPOSABLE ELEMENT TC3 TRANSPOSASE-LIKE PROTEIN
Hgig_21061
Hgig_21062REVERSE TRANSCRIPTASE
Hgig_21063REVERSE TRANSCRIPTASE
Hgig_21064DISKS LARGE-ASSOCIATED PROTEIN DAP SAP90/PSD-95-ASSOCIATED PROTEIN
Hgig_21065
Hgig_21066REVERSE TRANSCRIPTASE DOMAIN-CONTAINING PROTEIN
Hgig_21067GOLGI-LOCALIZED, GAMMA-ADAPTIN EAR CONTAINING, ARF BINDING PROTEIN
Hgig_21068GOLGI-LOCALIZED, GAMMA-ADAPTIN EAR CONTAINING, ARF BINDING PROTEIN
Hgig_21069ELECTRON TRANSPORT OXIDOREDUCTASE
Hgig_21070
Hgig_21071
Hgig_21072UNCHARACTERIZED
Hgig_21073ZINC FINGER PROTEIN
Hgig_21074OLIGOPEPTIDE TRANSPORTER-RELATED
Hgig_21075
Hgig_21076
Hgig_21077OLIGOPEPTIDE TRANSPORTER-RELATED
Hgig_21078T-BOX PROTEIN-RELATED
Hgig_21079RAB GTPASE-ACTIVATING PROTEIN 1-LIKE
Hgig_21080TRANSPOSABLE ELEMENT-RELATED
Hgig_21081
Hgig_21082TRANSCRIPTION INITIATION FACTOR IIA SUBUNIT 2
Hgig_21083BTB DOMAIN TRANSCRIPTION FACTOR
Hgig_21084APOPTOTIC CHROMATIN CONDENSATION INDUCER IN THE NUCLEUS
Hgig_21085A-TYPE INCLUSION PROTEIN, PUTATIVE-RELATED
Hgig_21086PROTEIN CBG27172
Hgig_21087
Hgig_21088ISTHMIN-2
Hgig_21089
Hgig_21090
Hgig_21091
Hgig_21092BAX INHIBITOR-RELATED
Hgig_21093
Hgig_21094
Hgig_21095TRANSPOSABLE ELEMENT-RELATED
Hgig_21096
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