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_22297
Hgig_22298GAMMA GLUTAMYL TRANSPEPTIDASE
Hgig_22299FI17866P1
Hgig_22300FI17866P1
Hgig_22301
Hgig_22302FI17866P1
Hgig_22303GAMMA GLUTAMYL TRANSPEPTIDASE
Hgig_22304PROTEIN CBG27172
Hgig_22305
Hgig_22306
Hgig_22307REVERSE TRANSCRIPTASE DOMAIN-CONTAINING PROTEIN
Hgig_22308NISCHARIN RELATED
Hgig_22309
Hgig_22310ANTIGEN BSP, PUTATIVE-RELATED
Hgig_22311
Hgig_22312
Hgig_22313
Hgig_22314E3 UBIQUITIN-PROTEIN LIGASE TRIP12
Hgig_22315
Hgig_22316LOW-DENSITY LIPOPROTEIN RECEPTOR-RELATED
Hgig_22317PROTEIN STAR
Hgig_22318
Hgig_22319
Hgig_22320
Hgig_22321URIDINE KINASE
Hgig_22322FAT ATYPICAL CADHERIN-RELATED
Hgig_22323CADHERIN-23
Hgig_22324CADHERIN-23
Hgig_22325
Hgig_22326
Hgig_22327
Hgig_22328TRANSPOSABLE ELEMENT-RELATED
Hgig_22329
Hgig_22330
Hgig_22331
Hgig_22332
Hgig_22333RETROTRANSPOSON
Hgig_22334TRANSPOSON
Hgig_22335
Hgig_22336
Hgig_22337CTX-RELATED TYPE I TRANSMEMBRANE PROTEIN
Hgig_22338
Hgig_22339MUCOSA ASSOCIATED LYMPHOID TISSUE LYMPHOMA TRANSLOCATION PROTEIN 1/PARACASPASE
Hgig_22340REVERSE TRANSCRIPTASE DOMAIN-CONTAINING PROTEIN
Hgig_22341POL PROTEIN
Hgig_22342
Hgig_22343TRNA-SPLICING ENDONUCLEASE SUBUNIT SEN2
Hgig_22344
Hgig_22345MPS ONE BINDER KINASE ACTIVATOR-LIKE MOB
Hgig_22346
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