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_00346SERINE INCORPORATOR
Hgig_00347SERINE INCORPORATOR
Hgig_00348BIOGENESIS OF LYSOSOME-RELATED ORGANELLES COMPLEX 1 SUBUNIT 2
Hgig_00349BIOGENESIS OF LYSOSOME-RELATED ORGANELLES COMPLEX 1 SUBUNIT 2
Hgig_00350CHONDROITIN SYNTHASE
Hgig_00351CHONDROITIN SYNTHASE
Hgig_00352LD09343P
Hgig_00353LD09343P
Hgig_00354
Hgig_00355
Hgig_00356
Hgig_00357IKB KINASE
Hgig_00358REVERSE TRANSCRIPTASE DOMAIN-CONTAINING PROTEIN
Hgig_00359
Hgig_00360BUCENTAUR RELATED
Hgig_00361ULP_PROTEASE DOMAIN-CONTAINING PROTEIN
Hgig_00362REVERSE TRANSCRIPTASE DOMAIN-CONTAINING PROTEIN
Hgig_00363OSJNBA0013A04.12 PROTEIN
Hgig_00364MALATE DEHYDROGENASE
Hgig_00365PROTEIN CBG27172
Hgig_00366H4 D10S170 PROTEIN-RELATED
Hgig_00367PHOSPHOHEXOMUTASE FAMILY MEMBER
Hgig_00368
Hgig_00369SERINE/THREONINE-PROTEIN KINASE PLK
Hgig_00370
Hgig_00371
Hgig_00372TRANSLATION INITIATION FACTOR IF-2-RELATED
Hgig_00373
Hgig_00374GUANYL-NUCLEOTIDE EXCHANGE FACTOR
Hgig_00375
Hgig_00376
Hgig_00377OXYSTEROL-BINDING PROTEIN-RELATED
Hgig_00378
Hgig_00379SARCOSINE DEHYDROGENASE-RELATED
Hgig_00380
Hgig_00381
Hgig_00382BEAT PROTEIN
Hgig_00383EUKARYOTIC TRANSLATION INITIATION FACTOR 3 SUBUNIT E
Hgig_00384
Hgig_00385FI01416P
Hgig_00386
Hgig_00387LECITHIN-CHOLESTEROL ACYLTRANSFERASE-RELATED
Hgig_00388NUCLEAR TRANSPORT FACTOR 2
Hgig_00389CELL CYCLE CONTROL PROTEIN CWF22-RELATED
Hgig_00390REVERSE TRANSCRIPTASE DOMAIN-CONTAINING PROTEIN
Hgig_00391TETRATRICOPEPTIDE REPEAT PROTEIN 39 FAMILY MEMBER
Hgig_00392
Hgig_00393TATA-BINDING PROTEIN-ASSOCIATED FACTOR 172
Hgig_00394TATA-BINDING PROTEIN-ASSOCIATED FACTOR 172
Hgig_00395THIOSULFATE SULFURTRANSFERASE RDL2, MITOCHONDRIAL-RELATED
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