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_21347FI01434P-RELATED
Hgig_21348
Hgig_21349FI01434P-RELATED
Hgig_21350FI01434P-RELATED
Hgig_21351FI01434P-RELATED
Hgig_21352
Hgig_21353
Hgig_21354
Hgig_21355
Hgig_21356
Hgig_21357
Hgig_21358
Hgig_21359NUCLEOSOME-REMODELING FACTOR SUBUNIT BPTF
Hgig_21360NUCLEOSOME-REMODELING FACTOR SUBUNIT BPTF
Hgig_21361NUCLEOSOME-REMODELING FACTOR SUBUNIT BPTF
Hgig_21362TAX1 BINDING PROTEIN-RELATED
Hgig_21363
Hgig_21364
Hgig_21365POLYRIBONUCLEOTIDE NUCLEOTIDYLTRANSFERASE
Hgig_21366TARGETING PROTEIN FOR XKLP2
Hgig_21367CALPONIN HOMOLOGY DOMAIN-CONTAINING PROTEIN DDB_G0272472-RELATED
Hgig_21368CALPONIN HOMOLOGY DOMAIN-CONTAINING PROTEIN DDB_G0272472-RELATED
Hgig_21369PROTEASE M1 ZINC METALLOPROTEASE
Hgig_21370VHS DOMAIN CONTAINING PROTEIN FAMILY
Hgig_21371VHS DOMAIN CONTAINING PROTEIN FAMILY
Hgig_21372
Hgig_21373
Hgig_21374
Hgig_21375GALACTOSIDE 2-L-FUCOSYLTRANSFERASE
Hgig_21376FATTY ACID ACYL TRANSFERASE-RELATED
Hgig_21377HILLARIN
Hgig_21378
Hgig_21379
Hgig_21380FI23527P1
Hgig_21381SERINE/THREONINE-PROTEIN KINASE
Hgig_21382
Hgig_21383
Hgig_21384FI23527P1
Hgig_21385TUBULIN POLYGLUTAMYLASE COMPLEX SUBUNIT 2
Hgig_21386TUBULIN POLYGLUTAMYLASE COMPLEX SUBUNIT 2
Hgig_21387
Hgig_21388UNCHARACTERIZED
Hgig_21389CATION TRANSPORT PROTEIN CHAC-RELATED
Hgig_21390WD REPEAT PROTEIN 26-RELATED
Hgig_21391
Hgig_21392CRUMBS FAMILY MEMBER
Hgig_21393SUCCINATE DEHYDROGENASE IRON-SULFUR PROTEIN
Hgig_21394
Hgig_21395
Hgig_21396
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