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_05346
Hgig_05347
Hgig_05348PROTEIN CBG27172
Hgig_05349
Hgig_05350
Hgig_05351
Hgig_05352
Hgig_05353
Hgig_05354PORCUPINE
Hgig_05355ZINC FINGER PROTEIN
Hgig_05356EPITHELIAL MEMBRANE PROTEIN-RELATED
Hgig_05357TRANSPOSABLE ELEMENT-RELATED
Hgig_05358SORTILIN RELATED
Hgig_05359
Hgig_05360CADHERIN-23
Hgig_05361DESMOGLEIN FAMILY MEMBER
Hgig_05362PROTEIN ECT2
Hgig_05363FIBROBLAST GROWTH FACTOR RECEPTOR
Hgig_05364REVERSE TRANSCRIPTASE DOMAIN-CONTAINING PROTEIN
Hgig_05365
Hgig_05366
Hgig_05367
Hgig_05368
Hgig_05369TRAFFICKING PROTEIN PARTICLE COMPLEX SUBUNIT
Hgig_05370RAS-RELATED PROTEIN RAB
Hgig_05371AAA DOMAIN-CONTAINING
Hgig_05372REVERSE TRANSCRIPTASE DOMAIN-CONTAINING PROTEIN
Hgig_05373
Hgig_05374
Hgig_05375ADHESION REGULATING MOLECULE 1 110 KDA CELL MEMBRANE GLYCOPROTEIN
Hgig_05376REVERSE TRANSCRIPTASE
Hgig_05377PROTEIN CBG27172
Hgig_05378
Hgig_05379IONOTROPIC RECEPTOR 20A-RELATED
Hgig_05380REVERSE TRANSCRIPTASE DOMAIN-CONTAINING PROTEIN
Hgig_05381
Hgig_05382SODIUM/CHLORIDE DEPENDENT TRANSPORTER
Hgig_05383COLLAGEN ALPHA
Hgig_05384DUAL SPECIFICITY PROTEIN KINASE
Hgig_05385
Hgig_05386
Hgig_05387RIBOSOME RECYCLING FACTOR
Hgig_05388
Hgig_05389
Hgig_05390PROTEASE M14 CARBOXYPEPTIDASE
Hgig_05391
Hgig_05392
Hgig_05393
Hgig_05394
Hgig_05395UNCHARACTERIZED
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