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_08997
Hgig_08998
Hgig_08999ORGANIC ANION TRANSPORTER
Hgig_0900060S RIBOSOMAL PROTEIN L14
Hgig_09001PHOSPHORYLASE B KINASE REGULATORY SUBUNIT
Hgig_09002
Hgig_09003CYTOCHROME B561/FERRIC REDUCTASE TRANSMEMBRANE
Hgig_09004PHOSPHORYLASE B KINASE REGULATORY SUBUNIT
Hgig_09005RAB GTPASE-ACTIVATING PROTEIN 1-LIKE
Hgig_09006RAB GTPASE-ACTIVATING PROTEIN 1-LIKE
Hgig_09007PHOSPHORYLASE B KINASE REGULATORY SUBUNIT
Hgig_09008
Hgig_09009
Hgig_09010MITOCHONDRIA ASSOCIATED GRANULOCYTE MACROPHAGE CSF SIGNALING MOLECULE
Hgig_09011SERINE-THREONINE PROTEIN KINASE
Hgig_09012TYROSINE-PROTEIN KINASE RECEPTOR
Hgig_09013DOLICHYL-DIPHOSPHOOLIGOSACCHARIDE--PROTEIN GLYCOSYLTRANSFERASE SUBUNIT
Hgig_09014
Hgig_09015DOLICHYL-DIPHOSPHOOLIGOSACCHARIDE--PROTEIN GLYCOSYLTRANSFERASE SUBUNIT
Hgig_0901626S PROTEASOME NON-ATPASE REGULATORY SUBUNIT 11/COP9 SIGNALOSOME COMPLEX SUBUNIT 2
Hgig_09017
Hgig_09018SODIUM/HYDROGEN EXCHANGER
Hgig_09019SODIUM/HYDROGEN EXCHANGER
Hgig_09020TRANSPOSABLE ELEMENT TC3 TRANSPOSASE-LIKE PROTEIN
Hgig_09021
Hgig_09022
Hgig_09023DEFECTIVE PROBOSCIS EXTENSION RESPONSE DPR -RELATED
Hgig_09024RNA POLYMERASE II NUCLEAR LOCALIZATION PROTEIN SLC7A6OS-RELATED
Hgig_09025
Hgig_09026RNA POLYMERASE II NUCLEAR LOCALIZATION PROTEIN SLC7A6OS-RELATED
Hgig_09027
Hgig_09028LIPID PHOSPHATE PHOSPHATASE
Hgig_09029
Hgig_09030
Hgig_09031
Hgig_09032
Hgig_09033HVA22-LIKE PROTEINS
Hgig_09034
Hgig_09035TRANSPOSABLE ELEMENT TC3 TRANSPOSASE-LIKE PROTEIN
Hgig_09036
Hgig_09037
Hgig_09038PAIRED BOX PROTEIN PAX-6-RELATED-RELATED
Hgig_09039GALACTOSE-3-O-SULFOTRANSFERASE
Hgig_09040
Hgig_09041TRAF3-INTERACTING PROTEIN 1
Hgig_09042TRAF3-INTERACTING PROTEIN 1
Hgig_09043BETA-HEXOSAMINIDASE
Hgig_09044
Hgig_09045
Hgig_09046
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