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_23297
Hgig_23298
Hgig_23299
Hgig_23300UBIQUITIN-CONJUGATING ENZYME E2
Hgig_23301SOLUTE CARRIER FAMILY 52
Hgig_23302-
Hgig_23303
Hgig_23304
Hgig_23305
Hgig_23306
Hgig_23307SULFOTRANSFERASE SULT
Hgig_23308SULFOTRANSFERASE SULT
Hgig_23309SULFOTRANSFERASE SULT
Hgig_23310SULFOTRANSFERASE SULT
Hgig_23311SULFOTRANSFERASE SULT
Hgig_23312DEFECTIVE PROBOSCIS EXTENSION RESPONSE DPR -RELATED
Hgig_23313HOMEOBOX PROTEIN ARISTALESS
Hgig_23314HOMEOBOX PROTEIN ARISTALESS
Hgig_23315CHONDROITIN SYNTHASE
Hgig_23316TRANSPOSABLE ELEMENT TC3 TRANSPOSASE-LIKE PROTEIN
Hgig_23317GLUTAMATE RECEPTOR-INTERACTING PROTEIN GRIP
Hgig_23318GLUTAMATE RECEPTOR-INTERACTING PROTEIN GRIP
Hgig_23319ZINC FINGER BED DOMAIN-CONTAINING PROTEIN 4
Hgig_23320
Hgig_23321SOLUTE CARRIER FAMILY 22 MEMBER
Hgig_23322SOLUTE CARRIER FAMILY 22 MEMBER
Hgig_23323SIDESTEP PROTEIN
Hgig_23324SOLUTE CARRIER FAMILY 22 MEMBER
Hgig_23325SIDESTEP PROTEIN
Hgig_23326SIDESTEP PROTEIN
Hgig_23327SIDESTEP PROTEIN
Hgig_23328SIDESTEP PROTEIN
Hgig_23329REVERSE TRANSCRIPTASE
Hgig_23330
Hgig_23331SOLUTE CARRIER FAMILY 22 MEMBER
Hgig_23332SOLUTE CARRIER FAMILY 22 MEMBER
Hgig_23333
Hgig_23334SOLUTE CARRIER FAMILY 22 MEMBER
Hgig_23335SIDESTEP PROTEIN
Hgig_23336SIDESTEP PROTEIN
Hgig_23337SIDESTEP PROTEIN
Hgig_23338SIDESTEP PROTEIN
Hgig_23339SOLUTE CARRIER FAMILY 22 MEMBER
Hgig_23340SOLUTE CARRIER FAMILY 22 MEMBER
Hgig_23341SOLUTE CARRIER FAMILY 22 MEMBER
Hgig_23342SOLUTE CARRIER FAMILY 22 MEMBER
Hgig_23343
Hgig_23344REVERSE TRANSCRIPTASE
Hgig_23345
Hgig_23346SOLUTE CARRIER FAMILY 22 MEMBER
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