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_01496
Hgig_01497
Hgig_01498E3 UBIQUITIN-PROTEIN LIGASE MYCBP2
Hgig_01499E3 UBIQUITIN-PROTEIN LIGASE MYCBP2
Hgig_01500E3 UBIQUITIN-PROTEIN LIGASE MYCBP2
Hgig_01501E3 UBIQUITIN-PROTEIN LIGASE MYCBP2
Hgig_01502
Hgig_01503
Hgig_01504
Hgig_01505
Hgig_01506ZINC FINGER C4H2 DOMAIN-CONTAINING PROTEIN
Hgig_01507GAMMA-INTERFERON INDUCIBLE LYSOSOMAL THIOL REDUCTASE GILT
Hgig_01508
Hgig_01509
Hgig_01510WHEY ACDIC PROTEIN WAP
Hgig_01511
Hgig_01512
Hgig_01513UBIQUITIN-CONJUGATING ENZYME E2
Hgig_01514UNCHARACTERIZED
Hgig_01515TRANSLATION INITIATION FACTOR EIF-2B SUBUNIT ALPHA
Hgig_01516RAS-RELATED PROTEIN RAB
Hgig_01517
Hgig_01518
Hgig_01519-
Hgig_01520
Hgig_015212-OXOGLUTARATE DEHYDROGENASE
Hgig_015222-OXOGLUTARATE DEHYDROGENASE
Hgig_01523PEROXISOMAL MEMBRANE PROTEIN 2, PXMP2 MPV17
Hgig_01524PEROXISOMAL MEMBRANE PROTEIN 2, PXMP2 MPV17
Hgig_01525
Hgig_01526
Hgig_01527DEFECTIVE PROBOSCIS EXTENSION RESPONSE DPR -RELATED
Hgig_01528CTX-RELATED TYPE I TRANSMEMBRANE PROTEIN
Hgig_01529TRANSIENT RECEPTOR POTENTIAL CHANNEL
Hgig_01530
Hgig_01531PROTEIN CBG27172
Hgig_01532
Hgig_01533PEPTIDYL-PROLYL CIS-TRANS ISOMERASE
Hgig_01534
Hgig_01535RE74312P
Hgig_01536
Hgig_01537
Hgig_01538
Hgig_01539
Hgig_01540
Hgig_01541BETA-CAROTENE DIOXYGENASE
Hgig_01542
Hgig_01543
Hgig_01544MITOCHONDRIAL IMPORT RECEPTOR SUBUNIT TOM70
Hgig_01545
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