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_05596
Hgig_05597DYNEIN LIGHT CHAIN
Hgig_05598KNIRPS-RELATED PROTEIN-RELATED
Hgig_05599KNIRPS-RELATED PROTEIN-RELATED
Hgig_05600
Hgig_05601REVERSE TRANSCRIPTASE
Hgig_05602
Hgig_05603KNIRPS-RELATED PROTEIN-RELATED
Hgig_05604
Hgig_05605
Hgig_05606REVERSE TRANSCRIPTASE
Hgig_05607TRANSCRIPTIONAL ACTIVATOR CUBITUS INTERRUPTUS
Hgig_05608
Hgig_05609ATP-BINDING CASSETTE, SUB-FAMILY H, MEMBER 1
Hgig_05610
Hgig_05611
Hgig_05612
Hgig_05613NUCLEOLAR PROTEIN 8
Hgig_05614SPHINGOSINE KINASE
Hgig_05615UNCHARACTERIZED
Hgig_05616UNCHARACTERIZED
Hgig_05617NUCLEOLAR PROTEIN 8
Hgig_05618SPHINGOSINE KINASE
Hgig_0561930S RIBOSOMAL PROTEIN S12 FAMILY MEMBER
Hgig_05620APOLIPOPROTEIN D
Hgig_05621VACUOLAR ATP SYNTHASE SUBUNIT S1
Hgig_05622
Hgig_05623TETRATRICOPEPTIDE REPEAT PROTEIN 39 FAMILY MEMBER
Hgig_05624TETRATRICOPEPTIDE REPEAT PROTEIN 39 FAMILY MEMBER
Hgig_05625
Hgig_05626DIACYLGLYCEROL LIPASE HOMOLOG-RELATED
Hgig_05627
Hgig_05628
Hgig_05629PROGRAMMED CELL DEATH PROTEIN 11 PRE-RRNA PROCESSING PROTEIN RRP5
Hgig_05630
Hgig_05631BTB DOMAIN TRANSCRIPTION FACTOR
Hgig_05632SOLUTE CARRIER FAMILY 22 MEMBER
Hgig_05633
Hgig_05634
Hgig_05635BEAT PROTEIN
Hgig_05636BEAT PROTEIN
Hgig_05637
Hgig_05638
Hgig_05639
Hgig_05640DUF914-RELATED
Hgig_05641TBC1 DOMAIN FAMILY MEMBER 20/GTPASE
Hgig_05642UNCHARACTERIZED
Hgig_05643UNCHARACTERIZED
Hgig_05644UNCHARACTERIZED
Hgig_05645COMPLEMENT COMPONENT-RELATED SUSHI DOMAIN-CONTAINING
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