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_18697
Hgig_18698TRANSIENT RECEPTOR POTENTIAL CATION CHANNEL PROTEIN PAINLESS
Hgig_18699ZYX102 PROTEIN
Hgig_18700
Hgig_18701ZGC:162816-RELATED
Hgig_18702
Hgig_18703
Hgig_18704UBIQUITIN CARBOXYL-TERMINAL HYDROLASE
Hgig_18705
Hgig_18706CHOLINE/ETHANOALAMINE KINASE
Hgig_18707CHOLINE/ETHANOALAMINE KINASE
Hgig_18708
Hgig_18709
Hgig_18710
Hgig_18711
Hgig_18712
Hgig_18713
Hgig_18714MITOCHONDRIAL INNER MEMBRANE PROTEASE
Hgig_18715
Hgig_18716INNEXIN
Hgig_18717UNCHARACTERIZED
Hgig_18718BUCENTAUR RELATED
Hgig_18719
Hgig_18720REVERSE TRANSCRIPTASE DOMAIN-CONTAINING PROTEIN
Hgig_18721BAX INHIBITOR-RELATED
Hgig_18722PROTEIN CBG26694
Hgig_18723
Hgig_18724N-ACETYLATED-ALPHA-LINKED ACIDIC DIPEPTIDASE
Hgig_18725N-ACETYLATED-ALPHA-LINKED ACIDIC DIPEPTIDASE
Hgig_18726PROTEIN CBG26694
Hgig_18727
Hgig_18728TRANSPOSABLE ELEMENT-RELATED
Hgig_18729
Hgig_18730-
Hgig_18731PROTEIN O-MANNOSYL-TRANSFERASE TMTC2
Hgig_18732TRANSPOSASE-RELATED
Hgig_18733
Hgig_18734SUCCINYL-COA LIGASE SUBUNIT ALPHA
Hgig_18735SERINE/THREONINE-PROTEIN KINASE PLK
Hgig_18736SERINE/THREONINE-PROTEIN KINASE NEK
Hgig_18737GALACTOSE-3-O-SULFOTRANSFERASE
Hgig_18738EG:EG0003.4 PROTEIN-RELATED
Hgig_18739
Hgig_18740
Hgig_18741TRANSIENT RECEPTOR POTENTIAL CATION CHANNEL PROTEIN PAINLESS
Hgig_18742TRANSIENT RECEPTOR POTENTIAL CATION CHANNEL PROTEIN PAINLESS
Hgig_18743COMPLEMENT COMPONENT-RELATED SUSHI DOMAIN-CONTAINING
Hgig_18744KRUEPPEL-LIKE TRANSCRIPTION FACTOR
Hgig_18745
Hgig_18746
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