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_25399KN MOTIF AND ANKYRIN REPEAT DOMAIN-CONTAINING
Hgig_25400KN MOTIF AND ANKYRIN REPEAT DOMAIN-CONTAINING
Hgig_25401UPSTREAM BINDING TRANSCRIPTION FACTOR
Hgig_25402
Hgig_25403
Hgig_25404
Hgig_25405
Hgig_25406TRANSPOSABLE ELEMENT TC3 TRANSPOSASE-LIKE PROTEIN
Hgig_25407
Hgig_25408CHITIN BINDING PERITROPHIN-A
Hgig_25409
Hgig_25410
Hgig_25411TRANSPOSABLE ELEMENT TC3 TRANSPOSASE-LIKE PROTEIN
Hgig_25412
Hgig_25413SI:DKEY-19B23.12-RELATED
Hgig_25414PROTEIN CBG26694
Hgig_25415CYCLIN D1-BINDING PROTEIN 1
Hgig_25416
Hgig_25417
Hgig_25418C2 DOMAIN-CONTAINING PROTEIN
Hgig_25419C2 DOMAIN-CONTAINING PROTEIN
Hgig_25420C2 DOMAIN-CONTAINING PROTEIN
Hgig_2542130S/40S RIBOSOMAL PROTEIN S4
Hgig_25422AMINOPEPTIDASE O
Hgig_25423TRANSPOSON TY3-I GAG-POL POLYPROTEIN
Hgig_2542430S/40S RIBOSOMAL PROTEIN S4
Hgig_25425HISTONE ACETYLTRANSFERASE COMPLEX
Hgig_25426
Hgig_25427SYNAPTIC VESICLE MEMBRANE PROTEIN VAT-1 HOMOLOG-LIKE
Hgig_25428SYNAPTIC VESICLE MEMBRANE PROTEIN VAT-1 HOMOLOG-LIKE
Hgig_25429HISTONE ACETYLTRANSFERASE COMPLEX
Hgig_25430HISTONE ACETYLTRANSFERASE COMPLEX
Hgig_25431
Hgig_25432
Hgig_25433
Hgig_25434HISTONE ACETYLTRANSFERASE COMPLEX
Hgig_25435TYROSINE-PROTEIN KINASE RECEPTOR
Hgig_25436
Hgig_25437
Hgig_25438
Hgig_25439
Hgig_25440THYROID HORMONE RECEPTOR-ASSOCIATED PROTEIN-RELATED
Hgig_25441
Hgig_25442
Hgig_25443
Hgig_25444
Hgig_25445UNCHARACTERIZED
Hgig_25446
Hgig_25447UNCHARACTERIZED
Hgig_25448UNCHARACTERIZED
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