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_24497APG9 AUTOPHAGY 9
Hgig_24498APG9 AUTOPHAGY 9
Hgig_24499
Hgig_24500PROTEIN PBDC1
Hgig_24501
Hgig_24502ATP-BINDING CASSETTE TRANSPORTER SUBFAMILY A ABCA
Hgig_24503ATP-BINDING CASSETTE TRANSPORTER SUBFAMILY A ABCA
Hgig_24504NAD(P)H-HYDRATE EPIMERASE
Hgig_24505
Hgig_24506PRE-MRNA SPLICING FACTOR PRP31
Hgig_24507
Hgig_24508
Hgig_24509SOX100B
Hgig_24510SOX100B
Hgig_24511
Hgig_24512BETA-1,4-GALACTOSYLTRANSFERASE
Hgig_24513E3 UBIQUITIN-PROTEIN LIGASE COP1
Hgig_24514LEUCINE AMINOPEPTIDASE-RELATED
Hgig_24515PROTEIN CBG27172
Hgig_24516INACTIVE RHOMBOID PROTEIN
Hgig_24517
Hgig_24518
Hgig_24519
Hgig_24520UV RADIATION RESISTANCE-ASSOCIATED GENE PROTEIN
Hgig_24521AP COMPLEX SUBUNIT MU
Hgig_24522OCTANOYLTRANSFERASE
Hgig_24523
Hgig_24524
Hgig_24525TRANSPOSABLE ELEMENT TC3 TRANSPOSASE-LIKE PROTEIN
Hgig_24526CALCYPHOSIN
Hgig_24527UNCHARACTERIZED
Hgig_24528APOPTOSIS-INDUCING FACTOR 1
Hgig_24529TRANSPOSABLE ELEMENT TC3 TRANSPOSASE-LIKE PROTEIN
Hgig_24530REVERSE TRANSCRIPTASE
Hgig_24531HIGH-AFFINITY CHOLINE TRANSPORTER 1
Hgig_24532PROTEIN CBG16200
Hgig_24533TYROSINE-PROTEIN KINASE
Hgig_24534TYROSINE-PROTEIN KINASE
Hgig_24535
Hgig_24536
Hgig_24537AROMATIC AMINO ACID HYDROXYLASE
Hgig_24538
Hgig_24539
Hgig_24540PROTEIN CBG27172
Hgig_24541
Hgig_24542
Hgig_24543BEAT PROTEIN
Hgig_24544
Hgig_24545OS02G0815200 PROTEIN
Hgig_24546
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