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_08547
Hgig_08548ORGANIC SOLUTE TRANSPORTER-RELATED
Hgig_08549SET AND MYND DOMAIN CONTAINING, ARTHROPOD-SPECIFIC, MEMBER 4, ISOFORM A
Hgig_08550SET AND MYND DOMAIN CONTAINING, ARTHROPOD-SPECIFIC, MEMBER 4, ISOFORM A
Hgig_08551VACUOLAR PROTEIN SORTING 26 RELATED
Hgig_08552
Hgig_08553
Hgig_08554
Hgig_08555
Hgig_08556
Hgig_08557I[[H]] CHANNEL, ISOFORM E
Hgig_08558
Hgig_08559SIGNAL RECOGNITION PARTICLE RECEPTOR SUBUNIT ALPHA
Hgig_08560MALONATE-SEMIALDEHYDE DEHYDROGENASE
Hgig_08561
Hgig_08562OXIDORED-NITRO DOMAIN-CONTAINING PROTEIN
Hgig_08563
Hgig_08564ANAPHASE-PROMOTING COMPLEX SUBUNIT 13
Hgig_08565RIBOSOMAL PROTEIN S6 KINASE
Hgig_08566DNA-DIRECTED RNA POLYMERASES I, II, AND III SUBUNIT RPABC3
Hgig_08567CCR4-NOT TRANSCRIPTION COMPLEX RELATED
Hgig_08568POLYGLUTAMINE BINDING PROTEIN 1/MARVEL MEMBRANE-ASSOCIATING DOMAIN CONTAINING 3
Hgig_08569
Hgig_08570ACETYL-COA C-ACYLTRANSFERASE
Hgig_08571ALPHA-L-FUCOSIDASE
Hgig_08572ALPHA-L-FUCOSIDASE
Hgig_08573CYSTEINE-RICH SECRETORY PROTEIN-RELATED
Hgig_08574
Hgig_08575CYSTEINE-RICH SECRETORY PROTEIN-RELATED
Hgig_08576CYSTEINE-RICH SECRETORY PROTEIN-RELATED
Hgig_08577CYSTEINE-RICH SECRETORY PROTEIN-RELATED
Hgig_08578CYSTEINE-RICH SECRETORY PROTEIN-RELATED
Hgig_08579CYSTEINE-RICH SECRETORY PROTEIN-RELATED
Hgig_08580
Hgig_08581
Hgig_08582PROTEIN CBG26694
Hgig_08583
Hgig_08584PROTEIN PHOSPHATASE 2C
Hgig_08585
Hgig_08586PROTEIN PHOSPHATASE 2C
Hgig_08587
Hgig_08588
Hgig_08589ATAXIN 7, ISOFORM A
Hgig_08590
Hgig_08591
Hgig_08592EUKARYOTIC TRANSLATION INITIATION FACTOR 3 -RELATED
Hgig_08593PROTEIN CBG27172
Hgig_08594
Hgig_08595UNCHARACTERIZED
Hgig_08596UNCHARACTERIZED
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