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_21447SODIUM/CHLORIDE DEPENDENT TRANSPORTER
Hgig_21448SODIUM/CHLORIDE DEPENDENT TRANSPORTER
Hgig_21449GEO09659P1
Hgig_21450V-TYPE PROTON ATPASE SUBUNIT B
Hgig_21451TRANSCRIPTION INITIATION FACTOR TFIID
Hgig_21452E3 UBIQUITIN-PROTEIN LIGASE RAD18
Hgig_21453GDP-MANNOSE 4,6-DEHYDRATASE
Hgig_21454PEROXISOME ASSEMBLY PROTEIN 10
Hgig_21455NGFI-A BINDING PROTEIN
Hgig_21456LD24721P
Hgig_21457CLATHRIN ASSEMBLY PROTEIN
Hgig_21458
Hgig_21459
Hgig_21460ANDROGEN INDUCED INHIBITOR OF PROLIFERATION AS3 / PDS5-RELATED
Hgig_21461ANDROGEN INDUCED INHIBITOR OF PROLIFERATION AS3 / PDS5-RELATED
Hgig_21462PDZ DOMAIN CONTAINING RING FINGER PROTEIN 3, 4
Hgig_21463PROTEIN STAR
Hgig_21464NEUROPEPTIDE RECEPTOR-RELATED G-PROTEIN COUPLED RECEPTOR
Hgig_21465FI18240P1-RELATED
Hgig_21466DED DOMAIN-CONTAINING PROTEIN
Hgig_21467
Hgig_21468CASPASE RECRUITMENT DOMAIN-CONTAINING PROTEIN 18
Hgig_21469CLEAVAGE AND POLYADENYLATION SPECIFIC FACTOR
Hgig_21470DNA2/NAM7 HELICASE FAMILY MEMBER
Hgig_21471UNCHARACTERIZED
Hgig_21472CCAAT-BINDING TRANSCRIPTION FACTOR-RELATED
Hgig_21473PROTEIN CBG16428
Hgig_21474
Hgig_21475TYROSINE SPECIFIC PROTEIN PHOSPHATASE AND DUAL SPECIFICITY PROTEIN PHOSPHATASE
Hgig_21476ARMADILLO REPEAT CONTAINING 2
Hgig_21477BTB DOMAIN TRANSCRIPTION FACTOR
Hgig_21478
Hgig_21479MADF DOMAIN TRANSCRIPTION FACTOR
Hgig_21480CARCINOEMBRYONIC ANTIGEN-RELATED CELL ADHESION MOLECULE 8
Hgig_21481POLY A POLYMERASE CID PAP -RELATED
Hgig_21482SPECTRIN/FILAMIN RELATED CYTOSKELETAL PROTEIN
Hgig_21483
Hgig_21484ENVOPLAKIN
Hgig_21485SPECTRIN/FILAMIN RELATED CYTOSKELETAL PROTEIN
Hgig_21486HELICASE SRCAP-RELATED
Hgig_21487TRANSCRIPTION INITIATION FACTOR TFIID SUBUNIT 3
Hgig_21488ALPHA-TOCOPHEROL TRANSFER PROTEIN-RELATED
Hgig_21489APOLIPOPROTEIN D
Hgig_21490APOLIPOPROTEIN D
Hgig_21491UNCHARACTERIZED
Hgig_21492APOLIPOPROTEIN D
Hgig_21493APOLIPOPROTEIN D
Hgig_21494UNCHARACTERIZED
Hgig_21495
Hgig_21496IONOTROPIC RECEPTOR 20A-RELATED
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