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_04046ALKALINE CERAMIDASE
Hgig_04047ALKALINE CERAMIDASE
Hgig_04048
Hgig_04049TRANSPOSON
Hgig_04050UNCHARACTERIZED
Hgig_04051ALKALINE CERAMIDASE
Hgig_04052CREG1 PROTEIN
Hgig_04053
Hgig_04054
Hgig_04055ANDROGEN-INDUCED PROTEIN 1-RELATED
Hgig_04056MELANOMA-ASSOCIATED ANTIGEN MAGE ANTIGEN
Hgig_04057
Hgig_04058
Hgig_04059LUNG CANCER METASTASIS-RELATED LCMR1 PROTEIN
Hgig_04060
Hgig_04061
Hgig_04062LACTOSYLCERAMIDE 4-ALPHA-GALACTOSYLTRANSFERASE ALPHA- 1,4-GALACTOSYLTRANSFERASE
Hgig_04063LACTOSYLCERAMIDE 4-ALPHA-GALACTOSYLTRANSFERASE ALPHA- 1,4-GALACTOSYLTRANSFERASE
Hgig_04064CRYPTOCHROME
Hgig_04065STRUCTURAL CONTITUENT OF CUTICLE
Hgig_04066
Hgig_04067
Hgig_04068
Hgig_04069
Hgig_04070CRYPTOCHROME
Hgig_04071STRUCTURAL CONTITUENT OF CUTICLE
Hgig_04072TRANSPOSABLE ELEMENT-RELATED
Hgig_04073
Hgig_04074
Hgig_04075PIKACHURIN-LIKE PROTEIN
Hgig_04076
Hgig_04077ECTONUCLEOTIDE PYROPHOSPHATASE/PHOSPHODIESTERASE
Hgig_04078
Hgig_04079CELL CYCLE CONTROL PROTEIN CWF22-RELATED
Hgig_04080TRANSMEMBRANE PROTEIN KIAA1109
Hgig_04081ENDO/EXONUCLEASE/PHOSPHATASE DOMAIN-CONTAINING PROTEIN
Hgig_04082UBIQUITIN CONJUGATING ENZYME 7 INTERACTING PROTEIN-RELATED
Hgig_04083FI20236P1
Hgig_04084
Hgig_04085FI20236P1
Hgig_04086PROTEIN BARK BEETLE
Hgig_04087
Hgig_04088PHOSPHOINOSITIDE-SPECIFIC PHOSPHOLIPASE C FAMILY PROTEIN
Hgig_04089
Hgig_04090
Hgig_04091REVERSE TRANSCRIPTASES
Hgig_04092TRIFUNCTIONAL ENZYME SUBUNIT ALPHA
Hgig_04093PHOSPHOINOSITIDE-SPECIFIC PHOSPHOLIPASE C FAMILY PROTEIN
Hgig_04094GUANINE NUCLEOTIDE EXCHANGE FACTOR
Hgig_04095
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