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_00196
Hgig_00197ZIPPER PUTATIVE TUMOR SUPPRESSOR 2 HOMOLOG-LIKE PROTEIN-RELATED
Hgig_00198ZIPPER PUTATIVE TUMOR SUPPRESSOR 2 HOMOLOG-LIKE PROTEIN-RELATED
Hgig_00199
Hgig_00200ZIPPER PUTATIVE TUMOR SUPPRESSOR 2 HOMOLOG-LIKE PROTEIN-RELATED
Hgig_00201
Hgig_00202
Hgig_00203OXIDASE/PEROXIDASE
Hgig_00204OXIDASE/PEROXIDASE
Hgig_00205
Hgig_00206CAS SCAFFOLDING PROTEIN
Hgig_00207DEOXYRIBOSE-PHOSPHATE ALDOLASE
Hgig_00208METALLOPROTEASE TLDD
Hgig_00209MEDIATOR COMPLEX SUBUNIT 28
Hgig_00210
Hgig_00211
Hgig_00212
Hgig_00213MEDIATOR COMPLEX SUBUNIT 28
Hgig_00214
Hgig_00215
Hgig_00216
Hgig_00217
Hgig_00218
Hgig_00219
Hgig_00220PROTEIN SIDEKICK
Hgig_00221
Hgig_00222
Hgig_00223ZINC FINGER BED DOMAIN-CONTAINING PROTEIN 4
Hgig_00224ZINC FINGER BED DOMAIN-CONTAINING PROTEIN 4
Hgig_00225EUKARYOTIC TRANSLATION INITIATION FACTOR 3
Hgig_00226ELONGATION FACTOR 1-GAMMA
Hgig_00227MAJOR FACILITATOR SUPERFAMILY PROTEIN-RELATED
Hgig_00228SULFIDE:QUINONE OXIDOREDUCTASE
Hgig_00229
Hgig_00230MAJOR FACILITATOR SUPERFAMILY PROTEIN-RELATED
Hgig_00231
Hgig_00232ANION EXCHANGE PROTEIN
Hgig_00233CXC DOMAIN-CONTAINING PROTEIN-RELATED
Hgig_00234UNCHARACTERIZED
Hgig_00235ALDEHYDE DEHYDROGENASE-RELATED
Hgig_00236PROTEIN CBG05131
Hgig_00237SIDESTEP PROTEIN
Hgig_00238SOLUTE CARRIER FAMILY 12, CATION COTRANSPORTERS
Hgig_00239SOLUTE CARRIER FAMILY 12, CATION COTRANSPORTERS
Hgig_00240SOLUTE CARRIER FAMILY 12, CATION COTRANSPORTERS
Hgig_00241
Hgig_00242
Hgig_00243REVERSE TRANSCRIPTASE DOMAIN-CONTAINING PROTEIN
Hgig_00244CALPONIN
Hgig_00245CALPONIN
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