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_09397ZINC FINGER PROTEIN
Hgig_09398TUBULIN
Hgig_09399UBIQUITIN-CONJUGATING ENZYME E2
Hgig_09400EUKARYOTIC TRANSLATION INITIATION FACTOR
Hgig_09401TRYPSIN-RELATED
Hgig_09402EUKARYOTIC TRANSLATION INITIATION FACTOR
Hgig_09403ADAMTS A DISINTEGRIN AND METALLOPROTEASE WITH THROMBOSPONDIN MOTIFS PROTEASE
Hgig_09404SOLUTE CARRIER FAMILY 5
Hgig_09405RING FINGER AND KH DOMAIN CONTAINING PROTEIN 1
Hgig_09406-
Hgig_09407PROTEIN CBG27172
Hgig_09408KINESIN-RELATED PROTEIN 6
Hgig_09409
Hgig_09410
Hgig_09411REVERSE TRANSCRIPTASE DOMAIN-CONTAINING PROTEIN
Hgig_09412DNA2/NAM7 HELICASE FAMILY
Hgig_09413DNA2/NAM7 HELICASE FAMILY
Hgig_09414SPIRE
Hgig_09415
Hgig_09416EXPRESSED PROTEIN
Hgig_09417UNCHARACTERIZED
Hgig_09418
Hgig_09419SERINE/THREONINE-PROTEIN KINASE
Hgig_09420SERINE/THREONINE-PROTEIN KINASE 16
Hgig_09421DFG10 PROTEIN
Hgig_09422TP53-REGULATED INHIBITOR OF APOPTOSIS 1
Hgig_09423WD REPEAT PROTEIN
Hgig_09424PENTRAXIN
Hgig_09425
Hgig_09426
Hgig_09427
Hgig_09428
Hgig_09429INOSITOL POLYPHOSPHATE KINASE
Hgig_09430INOSITOL MONOPHOSPHATASE
Hgig_09431VOLTAGE-DEPENDENT CALCIUM CHANNEL GAMMA SUBUNIT
Hgig_09432TYROSINE-PROTEIN KINASE
Hgig_09433
Hgig_09434UNCHARACTERIZED
Hgig_09435
Hgig_09436UNCHARACTERIZED
Hgig_09437ATP SYNTHASE COUPLING FACTOR 6, MITOCHONDRIAL
Hgig_09438DNA LIGASE
Hgig_09439REVERSE TRANSCRIPTASE DOMAIN-CONTAINING PROTEIN
Hgig_09440-
Hgig_09441
Hgig_09442
Hgig_09443PHENYLALANYL-TRNA SYNTHETASE
Hgig_09444UNCHARACTERIZED
Hgig_09445UNCHARACTERIZED
Hgig_09446SODIUM-DEPENDENT GLUCOSE TRANSPORTER 1
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