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_20597ANKYRIN REPEAT AND PROTEIN KINASE DOMAIN-CONTAINING PROTEIN
Hgig_20598ECTONUCLEOTIDE PYROPHOSPHATASE/PHOSPHODIESTERASE
Hgig_20599ECTONUCLEOTIDE PYROPHOSPHATASE/PHOSPHODIESTERASE
Hgig_20600
Hgig_20601IONOTROPIC RECEPTOR 20A-RELATED
Hgig_20602IONOTROPIC RECEPTOR 20A-RELATED
Hgig_20603
Hgig_20604
Hgig_20605
Hgig_20606ZINC FINGER CCHC DOMAIN-CONTAINING PROTEIN 7
Hgig_20607UNCHARACTERIZED
Hgig_20608SET AND MYND DOMAIN-CONTAINING PROTEIN 4
Hgig_20609SET AND MYND DOMAIN-CONTAINING PROTEIN 4
Hgig_20610
Hgig_20611SET AND MYND DOMAIN-CONTAINING PROTEIN 4
Hgig_20612ZINC FINGER PROTEIN
Hgig_20613PA-PL1 PHOSPHOLIPASE FAMILY
Hgig_20614XK-RELATED PROTEIN
Hgig_20615RIBOSOMAL PROTEIN L30
Hgig_20616LUPUS LA PROTEIN-RELATED
Hgig_20617MONOCARBOXYLATE TRANSPORTER
Hgig_20618MONOCARBOXYLATE TRANSPORTER
Hgig_20619MONOCARBOXYLATE TRANSPORTER
Hgig_20620MONOCARBOXYLATE TRANSPORTER
Hgig_20621MONOCARBOXYLATE TRANSPORTER
Hgig_20622LUPUS LA PROTEIN-RELATED
Hgig_20623RIBOSOMAL PROTEIN L30
Hgig_20624TRANSLATIONAL ACTIVATOR GCN1-RELATED
Hgig_20625SERUM RESPONSE FACTOR HOMOLOG
Hgig_20626ECTONUCLEOTIDE PYROPHOSPHATASE/PHOSPHODIESTERASE
Hgig_20627ECTONUCLEOTIDE PYROPHOSPHATASE/PHOSPHODIESTERASE
Hgig_20628ECTONUCLEOTIDE PYROPHOSPHATASE/PHOSPHODIESTERASE
Hgig_20629BEAT PROTEIN
Hgig_20630
Hgig_20631HISTONE DEACETYLASE HDAC1-RELATED
Hgig_20632
Hgig_20633HISTONE H1
Hgig_20634DNA POLYMERASE I
Hgig_20635CYPHER, ISOFORM B
Hgig_20636
Hgig_20637PROTEIN CBG27172
Hgig_20638CHROMOBOX PROTEIN
Hgig_20639ADP-RIBOSYLTRANSFERASE
Hgig_20640CHROMOBOX PROTEIN
Hgig_20641
Hgig_20642
Hgig_20643
Hgig_20644CCCH ZINC FINGER/TIS11-RELATED
Hgig_20645CCCH ZINC FINGER/TIS11-RELATED
Hgig_20646TRANSLATIONAL ACTIVATOR GCN1-RELATED
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