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_00246NUCLEAR RECEPTOR SUBFAMILY 0 GROUP B
Hgig_00247REVERSE TRANSCRIPTASE DOMAIN-CONTAINING PROTEIN
Hgig_00248
Hgig_00249GUANYLYL CYCLASE
Hgig_00250
Hgig_00251
Hgig_00252UNCHARACTERIZED
Hgig_00253TRANSMEMBRANE PROTEIN 14, 15
Hgig_00254DNA LIGASE
Hgig_00255AGAP000321-PA
Hgig_00256
Hgig_00257MANNOSE, PHOSPHOLIPASE, LECTIN RECEPTOR RELATED
Hgig_00258MANNOSE, PHOSPHOLIPASE, LECTIN RECEPTOR RELATED
Hgig_00259CADHERIN-LIKE AND PC-ESTERASE DOMAIN-CONTAINING PROTEIN 1
Hgig_00260
Hgig_00261UREA TRANSPORTER
Hgig_00262
Hgig_00263CALPAIN
Hgig_00264TRANSPOSABLE ELEMENT TC3 TRANSPOSASE-LIKE PROTEIN
Hgig_00265
Hgig_00266
Hgig_00267ENDO/EXONUCLEASE/PHOSPHATASE DOMAIN-CONTAINING PROTEIN
Hgig_00268NEUROHYPOPHYSIAL HORMONES, N-TERMINAL DOMAIN CONTAINING PROTEIN
Hgig_00269NEUROHYPOPHYSIAL HORMONES, N-TERMINAL DOMAIN CONTAINING PROTEIN
Hgig_00270TRANSPOSABLE ELEMENT TC3 TRANSPOSASE-LIKE PROTEIN
Hgig_00271TRANSPOSABLE ELEMENT TC3 TRANSPOSASE-LIKE PROTEIN
Hgig_00272
Hgig_00273MALE FERTILITY FACTOR KL5
Hgig_00274MALE FERTILITY FACTOR KL5
Hgig_00275
Hgig_00276MALE FERTILITY FACTOR KL5
Hgig_00277MALE FERTILITY FACTOR KL5
Hgig_00278MALE FERTILITY FACTOR KL5
Hgig_00279DYNEIN HEAVY CHAIN 1, AXONEMAL-LIKE PROTEIN
Hgig_00280DYNEIN HEAVY CHAIN 1, AXONEMAL-LIKE PROTEIN
Hgig_00281MALE FERTILITY FACTOR KL5
Hgig_00282MALE FERTILITY FACTOR KL5
Hgig_00283MALE FERTILITY FACTOR KL5
Hgig_00284DYNEIN HEAVY CHAIN 1, AXONEMAL-LIKE PROTEIN
Hgig_00285CALPAIN
Hgig_00286
Hgig_00287
Hgig_00288CASEIN KINASE-RELATED
Hgig_00289CASEIN KINASE-RELATED
Hgig_00290SERINE/THREONINE-PROTEIN KINASE IAL-RELATED
Hgig_00291LEUCOKININ RECEPTOR-RELATED
Hgig_00292LEUCOKININ RECEPTOR-RELATED
Hgig_00293GOLGIN- RELATED
Hgig_00294GOLGIN- RELATED
Hgig_00295
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