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_22997TRANSPOSABLE ELEMENT TC3 TRANSPOSASE-LIKE PROTEIN
Hgig_22998TRANSPOSABLE ELEMENT TC3 TRANSPOSASE-LIKE PROTEIN
Hgig_22999APPLE DOMAIN-CONTAINING PROTEIN
Hgig_23000
Hgig_23001REVERSE TRANSCRIPTASE DOMAIN-CONTAINING PROTEIN
Hgig_23002SIDESTEP PROTEIN
Hgig_23003SIDESTEP PROTEIN
Hgig_23004
Hgig_23005PROTEIN CBG26694
Hgig_23006
Hgig_23007
Hgig_23008
Hgig_23009
Hgig_23010TRANSPOSABLE ELEMENT TC3 TRANSPOSASE-LIKE PROTEIN
Hgig_23011INTER-ALPHA-TRYPSIN INHIBITOR HEAVY CHAIN FAMILY MEMBER
Hgig_23012INTER-ALPHA-TRYPSIN INHIBITOR HEAVY CHAIN FAMILY MEMBER
Hgig_23013
Hgig_23014
Hgig_23015
Hgig_23016ENDO/EXONUCLEASE/PHOSPHATASE DOMAIN-CONTAINING PROTEIN
Hgig_23017
Hgig_23018UNCHARACTERIZED
Hgig_23019
Hgig_23020
Hgig_23021
Hgig_23022UNCHARACTERIZED
Hgig_23023UNCHARACTERIZED
Hgig_23024LIM/HOMEOBOX PROTEIN LHX
Hgig_23025MITOCHONDRIAL RIBOSOMAL PROTEIN L48
Hgig_23026GTP-BINDING PROTEIN ALPHA SUBUNIT
Hgig_23027GTP-BINDING PROTEIN ALPHA SUBUNIT
Hgig_23028ACIDIC FIBROBLAST GROWTH FACTOR INTRACELLULAR BINDING PROTEIN
Hgig_23029
Hgig_23030ZINC FINGER PROTEIN
Hgig_23031SODIUM-COUPLED MONOCARBOXYLATE TRANSPORTER
Hgig_23032SODIUM-COUPLED MONOCARBOXYLATE TRANSPORTER
Hgig_23033
Hgig_23034CELL DIVISION PROTEIN KINASE
Hgig_23035CELL DIVISION PROTEIN KINASE
Hgig_23036PROTEIN PHOSPHATASE
Hgig_23037
Hgig_23038HEAT SHOCK PROTEIN HSP-12.2-RELATED
Hgig_23039RIBOSOMAL RNA METHYLTRANSFERASE
Hgig_23040ENDONUCLEASE-RELATED
Hgig_23041TETRATRICOPEPTIDE REPEAT PROTEIN 14
Hgig_23042TETRATRICOPEPTIDE REPEAT PROTEIN 14
Hgig_23043TRANSPOSASE-RELATED
Hgig_23044LONG-CHAIN FATTY ACID TRANSPORT PROTEIN
Hgig_23045
Hgig_23046REVERSE TRANSCRIPTASE DOMAIN-CONTAINING PROTEIN
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