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_25649CELL DIVISION PROTEIN KINASE
Hgig_25650
Hgig_25651
Hgig_25652RRP15-LIKE PROTEIN
Hgig_25653PHOSPHATE TRANSPORTER
Hgig_25654TRANSPOSABLE ELEMENT TC3 TRANSPOSASE-LIKE PROTEIN
Hgig_25655EUKARYOTE SPECIFIC DSRNA BINDING PROTEIN
Hgig_25656
Hgig_256573-HYDROXYANTHRANILATE 3,4-DIOXYGENASE
Hgig_256583-HYDROXYANTHRANILATE 3,4-DIOXYGENASE
Hgig_25659
Hgig_25660KH DOMAIN CONTAINING RNA BINDING PROTEIN
Hgig_25661ALPHA/BETA HYDROLASE DOMAIN-CONTAINING PROTEIN
Hgig_25662TRANSPOSABLE ELEMENT-RELATED
Hgig_25663NEUROTRANSMITTER GATED ION CHANNEL
Hgig_25664
Hgig_25665
Hgig_25666TRANSPOSON TY3-I GAG-POL POLYPROTEIN
Hgig_25667ZINC FINGER CCHC DOMAIN-CONTAINING PROTEIN 7
Hgig_25668
Hgig_25669
Hgig_25670
Hgig_25671KELCH PROTEIN
Hgig_25672ACETYL-COA C-ACETYLTRANSFERASE
Hgig_25673TRANSPOSABLE ELEMENT TC3 TRANSPOSASE-LIKE PROTEIN
Hgig_25674TRANSPOSABLE ELEMENT TC3 TRANSPOSASE-LIKE PROTEIN
Hgig_25675
Hgig_25676LACTOSYLCERAMIDE 4-ALPHA-GALACTOSYLTRANSFERASE ALPHA- 1,4-GALACTOSYLTRANSFERASE
Hgig_25677LACTOSYLCERAMIDE 4-ALPHA-GALACTOSYLTRANSFERASE ALPHA- 1,4-GALACTOSYLTRANSFERASE
Hgig_25678LACTOSYLCERAMIDE 4-ALPHA-GALACTOSYLTRANSFERASE ALPHA- 1,4-GALACTOSYLTRANSFERASE
Hgig_25679LACTOSYLCERAMIDE 4-ALPHA-GALACTOSYLTRANSFERASE ALPHA- 1,4-GALACTOSYLTRANSFERASE
Hgig_25680POLYCOMB GROUP PROTEIN
Hgig_25681AT29763P-RELATED
Hgig_25682
Hgig_25683POLYCOMB GROUP PROTEIN
Hgig_25684APPLE DOMAIN-CONTAINING PROTEIN
Hgig_25685TRANSPOSABLE ELEMENT TC3 TRANSPOSASE-LIKE PROTEIN
Hgig_25686
Hgig_25687CONSTITUTIVE COACTIVATOR OF PEROXISOME PROLIFERATOR-ACTIVATED RECEPTOR GAMMA
Hgig_25688
Hgig_25689
Hgig_25690FATTY ACID AMIDE HYDROLASE
Hgig_25691SPONDIN
Hgig_25692
Hgig_25693
Hgig_25694
Hgig_25695
Hgig_25696
Hgig_25697
Hgig_25698
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