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_01396GALACTOSIDE 2-L-FUCOSYLTRANSFERASE
Hgig_01397GALACTOSIDE 2-L-FUCOSYLTRANSFERASE
Hgig_01398GALACTOSIDE 2-L-FUCOSYLTRANSFERASE
Hgig_01399NETRIN/LAMININ-RELATED
Hgig_01400
Hgig_01401
Hgig_01402E3 UBIQUITIN-PROTEIN LIGASE CHIP
Hgig_01403UBIQUITIN CARBOXYL-TERMINAL HYDROLASE
Hgig_01404NUCLEOTIDE-BINDING PROTEIN NBP35 YEAST -RELATED
Hgig_01405LITHOSTATHINE
Hgig_01406UBIQUITIN-PROTEIN LIGASE E3C
Hgig_01407HEPARAN SULFATE 2-O-SULFOTRANSFERASE
Hgig_01408MEVALONATE KINASE
Hgig_01409DOLICHYL GLYCOSYLTRANSFERASE
Hgig_01410LACTOSYLCERAMIDE 4-ALPHA-GALACTOSYLTRANSFERASE ALPHA- 1,4-GALACTOSYLTRANSFERASE
Hgig_01411
Hgig_01412NINJURIN-RELATED
Hgig_01413GLUTAMINE SYNTHETASE
Hgig_01414
Hgig_01415
Hgig_01416
Hgig_01417
Hgig_01418
Hgig_01419
Hgig_01420DUDULIN-RELATED
Hgig_01421MANNOSYL-OLIGOSACCHARIDE ALPHA-1,2-MANNOSIDASE-RELATED
Hgig_01422SERINE/THREONINE-PROTEIN KINASE
Hgig_01423
Hgig_01424LONGEVITY ASSURANCE FACTOR 1 LAG1
Hgig_01425ARSENITE INDUCUBLE RNA ASSOCIATED PROTEIN AIP-1-RELATED
Hgig_01426LONGEVITY ASSURANCE FACTOR 1 LAG1
Hgig_01427AGAP001623-PA
Hgig_01428SET AND MYND DOMAIN-CONTAINING PROTEIN 5
Hgig_01429M-AAA PROTEASE-INTERACTING PROTEIN 1, MITOCHONDRIAL
Hgig_01430ALPHA CATENIN
Hgig_01431E3 UBIQUITIN-PROTEIN LIGASE PPP1R11-RELATED
Hgig_01432M-AAA PROTEASE-INTERACTING PROTEIN 1, MITOCHONDRIAL
Hgig_01433
Hgig_01434RNF121 PROTEIN
Hgig_01435BEAT PROTEIN
Hgig_01436
Hgig_01437BEAT PROTEIN
Hgig_01438
Hgig_01439
Hgig_01440
Hgig_01441
Hgig_01442HOMEOBOX PROTEIN ARISTALESS
Hgig_01443PAIRED MESODERM HOMEOBOX PROTEIN 1-RELATED
Hgig_01444
Hgig_01445NEPHRIN
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