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_20747
Hgig_2074841-2 PROTEIN ANTIGEN-RELATED
Hgig_2074926S PROTEASOME REGULATORY SUBUNIT
Hgig_20750NUCLEOPORIN NUP37 P37 -RELATED
Hgig_20751NUCLEOPORIN NUP37 P37 -RELATED
Hgig_20752
Hgig_20753
Hgig_20754ATP-DEPENDENT RNA HELICASE
Hgig_20755LITTLE ELONGATION COMPLEX SUBUNIT 2
Hgig_20756PROTEIN CBG27172
Hgig_20757GLYCERATE KINASE
Hgig_20758MONOCARBOXYLATE TRANSPORTER
Hgig_20759
Hgig_20760
Hgig_20761
Hgig_20762
Hgig_20763
Hgig_20764PROTEIN CBG26694
Hgig_20765TRANSPOSABLE ELEMENT TC3 TRANSPOSASE-LIKE PROTEIN
Hgig_20766HOMEOBOX PROTEIN BARH-LIKE
Hgig_20767REVERSE TRANSCRIPTASE DOMAIN-CONTAINING PROTEIN
Hgig_20768
Hgig_20769PLEXIN
Hgig_20770
Hgig_20771
Hgig_20772
Hgig_20773KRUEPPEL-LIKE TRANSCRIPTION FACTOR
Hgig_20774KRUEPPEL-LIKE TRANSCRIPTION FACTOR
Hgig_20775RAB GTPASE-BINDING EFFECTOR PROTEIN
Hgig_20776REVERSE TRANSCRIPTASE
Hgig_20777REVERSE TRANSCRIPTASE
Hgig_20778RNA-BINDING PROTEIN RELATED
Hgig_20779
Hgig_20780
Hgig_20781PROTEIN CBG23766
Hgig_20782
Hgig_20783
Hgig_20784OXIDASE/PEROXIDASE
Hgig_20785CALRETICULIN AND CALNEXIN
Hgig_20786ALPHA-CATULIN
Hgig_20787
Hgig_2078860S RIBOSOMAL PROTEIN L23A
Hgig_20789INACTIVE PEPTIDYL-PROLYL CIS-TRANS ISOMERASE FKBP6
Hgig_20790
Hgig_20791ALPHA-CATULIN
Hgig_20792ALPHA-CATULIN
Hgig_20793
Hgig_207942-OXOGLUTARATE DEHYDROGENASE
Hgig_207952-OXOGLUTARATE DEHYDROGENASE
Hgig_20796CYCLIC NUCLEOTIDE PHOSPHODIESTERASE
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