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_24647
Hgig_24648
Hgig_24649SNAC DOMAIN-CONTAINING PROTEIN
Hgig_24650REVERSE TRANSCRIPTASE
Hgig_24651TRANSPOSABLE ELEMENT TC3 TRANSPOSASE-LIKE PROTEIN
Hgig_24652PROTEIN CBG27172
Hgig_24653
Hgig_24654
Hgig_24655
Hgig_24656POLYCYSTIN-1
Hgig_24657REVERSE TRANSCRIPTASES
Hgig_24658GLUTATHIONE S-TRANSFERASE
Hgig_24659
Hgig_24660OSTEOCLAST-STIMULATING FACTOR 1
Hgig_24661PROTEIN CBG27172
Hgig_24662
Hgig_24663BETA-HEXOSAMINIDASE
Hgig_24664NISCHARIN RELATED
Hgig_24665REVERSE TRANSCRIPTASE
Hgig_24666
Hgig_24667SET AND MYND DOMAIN-CONTAINING PROTEIN 4
Hgig_24668ALCOHOL DEHYDROGENASE RELATED
Hgig_24669CELL CYCLE CHECKPOINT PROTEIN RAD1
Hgig_24670
Hgig_24671
Hgig_24672
Hgig_24673
Hgig_24674
Hgig_24675
Hgig_24676BONE MARROW PROTEOGLYCAN
Hgig_24677
Hgig_24678ENDO/EXONUCLEASE/PHOSPHATASE DOMAIN-CONTAINING PROTEIN
Hgig_24679REVERSE TRANSCRIPTASES
Hgig_24680
Hgig_24681
Hgig_24682
Hgig_24683
Hgig_24684
Hgig_24685
Hgig_24686
Hgig_24687
Hgig_24688
Hgig_24689
Hgig_24690
Hgig_24691VALYL-TRNA SYNTHETASES
Hgig_24692TETRATRICOPEPTIDE REPEAT PROTEIN 8
Hgig_24693
Hgig_24694HAT FAMILY DIMERISATION DOMAINCONTAINING PROTEIN-RELATED
Hgig_24695CARNITINE O-ACYLTRANSFERASE
Hgig_24696
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