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_19697RHO FAMILY GTPASE
Hgig_19698ATP-DEPENDENT CLP PROTEASE ATP-BINDING SUBUNIT CLPX-LIKE, MITOCHONDRIAL-RELATED
Hgig_19699ATP-DEPENDENT CLP PROTEASE ATP-BINDING SUBUNIT CLPX-LIKE, MITOCHONDRIAL-RELATED
Hgig_19700
Hgig_19701
Hgig_19702KRAB DOMAIN C2H2 ZINC FINGER
Hgig_19703
Hgig_19704
Hgig_19705REVERSE TRANSCRIPTASE DOMAIN-CONTAINING PROTEIN
Hgig_19706
Hgig_19707REVERSE TRANSCRIPTASE DOMAIN-CONTAINING PROTEIN
Hgig_19708COLD SHOCK DOMAIN CONTAINING PROTEINS
Hgig_19709
Hgig_19710MAJOR FACILITATOR SUPERFAMILY DOMAIN-CONTAINING PROTEIN 1
Hgig_19711
Hgig_19712MAJOR FACILITATOR SUPERFAMILY DOMAIN-CONTAINING PROTEIN 1
Hgig_19713TBC1 DOMAIN FAMILY MEMBER GTPASE-ACTIVATING PROTEIN
Hgig_19714REVERSE TRANSCRIPTASE DOMAIN-CONTAINING PROTEIN
Hgig_19715
Hgig_19716
Hgig_19717PROTEIN CBG23764
Hgig_19718TRANSPOSABLE ELEMENT TC3 TRANSPOSASE-LIKE PROTEIN
Hgig_19719CADHERIN-87A
Hgig_19720
Hgig_19721REVERSE TRANSCRIPTASE
Hgig_19722
Hgig_19723
Hgig_19724PHOSPHOLIPID ACYLTRANSFERASE
Hgig_19725PHOSPHOLIPID ACYLTRANSFERASE
Hgig_19726
Hgig_19727
Hgig_19728
Hgig_19729MUCIN 4-RELATED
Hgig_19730
Hgig_19731
Hgig_19732DUAL OXIDASE 2
Hgig_19733
Hgig_19734
Hgig_19735
Hgig_19736
Hgig_19737
Hgig_19738
Hgig_19739
Hgig_19740S-ADENOSYLMETHIONINE MITOCHONDRIAL CARRIER PROTEIN
Hgig_19741ENDONUCLEASE
Hgig_19742
Hgig_19743
Hgig_19744
Hgig_19745
Hgig_19746
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