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_09847ANKYRIN REPEAT-CONTAINING
Hgig_09848
Hgig_09849
Hgig_09850RING FINGER AND SRY DOMAIN-CONTAINING
Hgig_09851RING FINGER AND SRY DOMAIN-CONTAINING
Hgig_09852DECARBOXYLATING DEHYDROGENASES-ISOCITRATE, ISOPROPYLMALATE, TARTRATE
Hgig_09853PROTEIN STAR
Hgig_09854HEAT SHOCK TRANSCRIPTION FACTOR
Hgig_09855REVERSE TRANSCRIPTASES
Hgig_09856
Hgig_09857
Hgig_09858REVERSE TRANSCRIPTASE DOMAIN-CONTAINING PROTEIN
Hgig_09859NITRIC OXIDE SYNTHASE-RELATED
Hgig_09860PROTEIN CBG26694
Hgig_09861
Hgig_09862
Hgig_09863PIG-M MANNOSYLTRANSFERASE
Hgig_09864ENDO/EXONUCLEASE/PHOSPHATASE DOMAIN-CONTAINING PROTEIN
Hgig_09865SET AND MYND DOMAIN CONTAINING, ARTHROPOD-SPECIFIC, MEMBER 4, ISOFORM A
Hgig_09866
Hgig_09867CARBOHYDRATE SULFOTRANSFERASE
Hgig_09868WSCD FAMILY MEMBER CG9164
Hgig_09869ALPHA-GLUCOSIDASE
Hgig_09870TRANSCRIPTASE, PUTATIVE-RELATED-RELATED
Hgig_09871
Hgig_09872BTB DOMAIN TRANSCRIPTION FACTOR
Hgig_09873BTB DOMAIN TRANSCRIPTION FACTOR
Hgig_09874BTB DOMAIN TRANSCRIPTION FACTOR
Hgig_09875NEPHRIN
Hgig_09876
Hgig_09877TRANSPOSABLE ELEMENT TC3 TRANSPOSASE-LIKE PROTEIN
Hgig_09878
Hgig_09879WD40 REPEAT PROTEIN 4
Hgig_09880
Hgig_09881
Hgig_09882
Hgig_09883DIHYDROPYRIMIDINE DEHYDROGENASE [NADP(+)]
Hgig_09884
Hgig_09885DNA CROSS-LINK REPAIR PROTEIN PSO2/SNM1-RELATED
Hgig_09886
Hgig_09887
Hgig_09888-
Hgig_09889REVERSE TRANSCRIPTASE
Hgig_09890
Hgig_09891RETROTRANSPOSON
Hgig_09892
Hgig_09893
Hgig_098944-NITROPHENYLPHOSPHATASE-RELATED
Hgig_09895AUTOPHAGY PROTEIN 12
Hgig_09896
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