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_08197PROTEIN FARNESYLTRANSFERASE ALPHA SUBUNIT/RAB GERANYLGERANYL TRANSFERASE ALPHA SUBUNIT
Hgig_08198PROTEIN DISULFIDE ISOMERASE
Hgig_08199IMPORTIN ALPHA
Hgig_08200
Hgig_08201HISTIDYL-TRNA SYNTHETASE
Hgig_08202PHAGE_INTEGRASE DOMAIN-CONTAINING PROTEIN
Hgig_08203
Hgig_08204CONDENSIN
Hgig_08205CONDENSIN
Hgig_08206
Hgig_08207ACTIVATING SIGNAL COINTEGRATOR 1 COMPLEX SUBUNIT 2 ASC-1 COMPLEX SUBUNIT P100
Hgig_08208REVERSE TRANSCRIPTASE DOMAIN-CONTAINING PROTEIN
Hgig_08209UNCHARACTERIZED
Hgig_08210E3 UBIQUITIN-PROTEIN LIGASE NHLRC1-RELATED
Hgig_08211
Hgig_08212
Hgig_08213
Hgig_08214UNCHARACTERIZED
Hgig_08215
Hgig_08216
Hgig_08217GALACTOSE-3-O-SULFOTRANSFERASE
Hgig_08218CYPHER, ISOFORM B
Hgig_08219NEUROTRANSMITTER GATED ION CHANNEL
Hgig_08220CHAPERONIN
Hgig_08221CHAPERONIN
Hgig_08222NEUROTRANSMITTER GATED ION CHANNEL
Hgig_08223DIVALENT CATION TRANSPORTER SOLUTE CARRIER FAMILY 41
Hgig_08224SUGAR-1-PHOSPHATE GUANYL TRANSFERASE
Hgig_08225ALDEHYDE DEHYDROGENASE-RELATED
Hgig_08226CARBOHYDRATE SULFOTRANSFERASE
Hgig_08227
Hgig_08228HMG-BOX TRANSCRIPTION FACTOR BBX
Hgig_08229HMG-BOX TRANSCRIPTION FACTOR BBX
Hgig_08230
Hgig_08231
Hgig_08232HMG-BOX TRANSCRIPTION FACTOR BBX
Hgig_08233IONOTROPIC RECEPTOR 20A-RELATED
Hgig_08234RECEPTOR FOR ACTIVATED PROTEIN KINASE C RACK1
Hgig_0823540S RIBOSOMAL PROTEIN S24
Hgig_08236
Hgig_08237PHD FINGER PROTEINS
Hgig_08238
Hgig_08239RIBONUCLEASE H1
Hgig_08240SOLUTE CARRIER FAMILY 35
Hgig_08241
Hgig_08242ANAPHASE-PROMOTING COMPLEX 10
Hgig_08243NADH-UBIQUINONE OXIDOREDUCTASE SUBUNIT B
Hgig_08244
Hgig_08245
Hgig_08246
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