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_09797CHITINASE
Hgig_09798RIBULOKINASE
Hgig_09799
Hgig_09800TRANSPOSABLE ELEMENT TC3 TRANSPOSASE-LIKE PROTEIN
Hgig_09801
Hgig_09802REVERSE TRANSCRIPTASE
Hgig_09803GUANYLYL CYCLASE
Hgig_09804RAN GTPASE
Hgig_09805
Hgig_09806BROMODOMAIN CONTAINING PROTEIN
Hgig_09807RNA-BINDING PROTEIN
Hgig_09808CYSTINOSIN
Hgig_09809RIBONUCLEASE
Hgig_09810SYNAPTIC ADHESION-LIKE MOLECULE SALM
Hgig_09811MITOCHONDRIAL RIBOSOMAL PROTEIN L24
Hgig_09812
Hgig_09813TRINUCLEOTIDE REPEAT-CONTAINING GENE 6
Hgig_09814
Hgig_09815
Hgig_09816HISTONE DEACETYLASE 2-RELATED
Hgig_09817HISTONE DEACETYLASE HDAC1-RELATED
Hgig_09818PHAGE_INTEGRASE DOMAIN-CONTAINING PROTEIN
Hgig_09819ZINC FINGER BED DOMAIN-CONTAINING PROTEIN 4
Hgig_09820
Hgig_09821
Hgig_09822OSJNBA0013A04.12 PROTEIN
Hgig_09823
Hgig_09824
Hgig_09825
Hgig_09826
Hgig_09827PROTEIN CBG27172
Hgig_09828
Hgig_09829
Hgig_09830PHOSPHATIDYLCHOLINE TRANSFER PROTEIN
Hgig_09831
Hgig_09832REVERSE TRANSCRIPTASE DOMAIN-CONTAINING PROTEIN
Hgig_09833
Hgig_09834SOLUTE CARRIER FAMILY 22 MEMBER
Hgig_09835LYSOSOMAL ACID LIPASE-RELATED
Hgig_09836LYSOSOMAL ACID LIPASE-RELATED
Hgig_09837TRANSPOSABLE ELEMENT TC3 TRANSPOSASE-LIKE PROTEIN
Hgig_09838LYSOSOMAL ACID LIPASE-RELATED
Hgig_09839LYSOSOMAL ACID LIPASE-RELATED
Hgig_09840LYSOSOMAL ACID LIPASE-RELATED
Hgig_09841
Hgig_09842
Hgig_0984350S RIBOSOMAL PROTEIN L3
Hgig_09844TRNA SELENOCYSTEINE 1-ASSOCIATED PROTEIN 1-RELATED
Hgig_09845NUCLEAR MOVEMENT PROTEIN NUDC
Hgig_09846NADH-UBIQUINONE OXIDOREDUCTASE B15 SUBUNIT
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