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_27399REVERSE TRANSCRIPTASE DOMAIN-CONTAINING PROTEIN
Hgig_27400POL PROTEIN
Hgig_27401TRANSPOSABLE ELEMENT-RELATED
Hgig_27402
Hgig_27403
Hgig_27404
Hgig_27405
Hgig_27406SET DOMAIN-CONTAINING PROTEIN-RELATED
Hgig_27407ZINC FINGER PROTEIN
Hgig_27408ZINC FINGER PROTEIN
Hgig_27409ZINC FINGER PROTEIN
Hgig_27410
Hgig_27411
Hgig_27412TRANSPOSABLE ELEMENT-RELATED
Hgig_27413ZINC FINGER PROTEIN
Hgig_27414ENDONUCLEASE-RELATED
Hgig_27415POL PROTEIN
Hgig_27416
Hgig_27417ZINC FINGER PROTEIN
Hgig_27418BUCENTAUR RELATED
Hgig_27419REVERSE TRANSCRIPTASE DOMAIN-CONTAINING PROTEIN
Hgig_27420REVERSE TRANSCRIPTASE
Hgig_27421PROTEIN CBG26694
Hgig_27422
Hgig_27423
Hgig_27424
Hgig_27425
Hgig_27426ZINC FINGER PROTEIN
Hgig_27427EXODEOXYRIBONUCLEASE III
Hgig_27428ZINC FINGER PROTEIN
Hgig_27429REVERSE TRANSCRIPTASE
Hgig_27430
Hgig_27431ZINC FINGER PROTEIN
Hgig_27432
Hgig_27433
Hgig_27434OSJNBA0013A04.12 PROTEIN
Hgig_27435REVERSE TRANSCRIPTASE
Hgig_27436HEAT SHOCK PROTEIN 70KDA
Hgig_27437HEAT SHOCK PROTEIN 70KDA
Hgig_27438HEAT SHOCK PROTEIN 70KDA
Hgig_27439EXODEOXYRIBONUCLEASE III
Hgig_27440AMINO ACID TRANSPORTER
Hgig_27441AMINO ACID TRANSPORTER
Hgig_27442PROFILIN
Hgig_27443UBIQUITIN-CONJUGATING ENZYME E2
Hgig_27444TRANSCRIPTASE, PUTATIVE-RELATED-RELATED
Hgig_27445
Hgig_27446
Hgig_27447
Hgig_27448PIGGYBAC TRANSPOSABLE ELEMENT-DERIVED PROTEIN 4
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