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_07296POLYCYSTIN FAMILY MEMBER
Hgig_07297
Hgig_07298
Hgig_07299UNCHARACTERIZED
Hgig_07300UNCHARACTERIZED
Hgig_07301UNCHARACTERIZED
Hgig_07302
Hgig_07303TRANSFERRIN
Hgig_07304REVERSE TRANSCRIPTASES
Hgig_07305
Hgig_07306CONSTITUTIVE COACTIVATOR OF PEROXISOME PROLIFERATOR-ACTIVATED RECEPTOR GAMMA
Hgig_07307PASIFLORA 1, ISOFORM A-RELATED
Hgig_07308HL07962P-RELATED
Hgig_07309
Hgig_07310SCAVENGER RECEPTOR CLASS B TYPE-1 SR-B1
Hgig_07311PROTEIN UNC-50 HOMOLOG
Hgig_07312
Hgig_07313
Hgig_07314
Hgig_07315
Hgig_07316
Hgig_07317
Hgig_07318SERINE/THREONINE-PROTEIN KINASE ATM
Hgig_07319REVERSE TRANSCRIPTASE DOMAIN-CONTAINING PROTEIN
Hgig_07320ACROSIN-RELATED
Hgig_07321DNA-DIRECTED RNA POLYMERASES III 80 KDA POLYPEPTIDE RNA POLYMERASE III SUBUNIT 5
Hgig_07322ENDO/EXONUCLEASE/PHOSPHATASE DOMAIN-CONTAINING PROTEIN
Hgig_07323RIBOSOMAL PROTEIN L5-RELATED
Hgig_07324
Hgig_07325ASPARTYL/LYSYL-TRNA SYNTHETASE
Hgig_07326
Hgig_07327SNF2/RAD54 HELICASE FAMILY
Hgig_07328SNF2/RAD54 HELICASE FAMILY
Hgig_07329
Hgig_07330RIBOSOMAL PROTEIN L5-RELATED
Hgig_07331
Hgig_07332DISULFIDE OXIDOREDUCTASE
Hgig_07333TRANSPOSON TY3-I GAG-POL POLYPROTEIN
Hgig_07334
Hgig_07335
Hgig_07336
Hgig_07337REVERSE TRANSCRIPTASE DOMAIN-CONTAINING PROTEIN
Hgig_07338REVERSE TRANSCRIPTASE DOMAIN-CONTAINING PROTEIN
Hgig_07339
Hgig_07340
Hgig_07341CORTACTIN AND DREBRIN
Hgig_07342
Hgig_07343SPINSTER
Hgig_07344SPINSTER
Hgig_07345UNCHARACTERIZED
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