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_25849RNA POLYMERASE II CTD PHOSPHATASE
Hgig_25850
Hgig_25851
Hgig_25852TRYPSIN-RELATED
Hgig_25853
Hgig_25854
Hgig_25855
Hgig_25856
Hgig_25857UNCHARACTERIZED
Hgig_25858INTEGRAL MEMBRANE PROTEIN GPR137
Hgig_25859
Hgig_25860
Hgig_25861UNCHARACTERIZED
Hgig_25862UNCHARACTERIZED
Hgig_25863
Hgig_25864UNCHARACTERIZED
Hgig_25865
Hgig_25866
Hgig_25867
Hgig_25868DYNACTIN P62 SUBUNIT
Hgig_25869
Hgig_25870CYCLIC NUCLEOTIDE-DEPENDENT PROTEIN KINASE
Hgig_25871CYCLIC NUCLEOTIDE-DEPENDENT PROTEIN KINASE
Hgig_25872SIDESTEP PROTEIN
Hgig_25873
Hgig_25874
Hgig_25875
Hgig_25876
Hgig_25877
Hgig_25878
Hgig_25879REPLICATION FACTOR C / DNA POLYMERASE III GAMMA-TAU SUBUNIT
Hgig_25880REPLICATION FACTOR C / DNA POLYMERASE III GAMMA-TAU SUBUNIT
Hgig_25881
Hgig_25882SIDESTEP PROTEIN
Hgig_25883
Hgig_25884LP21163P
Hgig_25885LP21163P
Hgig_25886SERINE BETA-LACTAMASE-LIKE PROTEIN LACTB, MITOCHONDRIAL
Hgig_25887SERINE BETA-LACTAMASE-LIKE PROTEIN LACTB, MITOCHONDRIAL
Hgig_25888
Hgig_25889
Hgig_25890INHIBITOR OF APOPTOSIS
Hgig_25891INHIBITOR OF APOPTOSIS
Hgig_25892CYTOSOLIC CARBOXYPEPTIDASE
Hgig_25893CYTOSOLIC CARBOXYPEPTIDASE
Hgig_25894
Hgig_25895
Hgig_25896
Hgig_25897
Hgig_25898
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