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_07396
Hgig_07397
Hgig_07398
Hgig_07399LOW-DENSITY LIPOPROTEIN RECEPTOR-RELATED PROTEIN 11
Hgig_07400
Hgig_07401PROTEIN STAR
Hgig_07402
Hgig_07403
Hgig_07404GOLGI-ASSOCIATED PDZ AND COILED-COIL MOTIF-CONTAINING
Hgig_07405CONDENSIN COMPLEX SUBUNIT 3-RELATED
Hgig_07406CELL DIVISION PROTEIN KINASE
Hgig_07407PHAGE_INTEGRASE DOMAIN-CONTAINING PROTEIN
Hgig_07408REVERSE TRANSCRIPTASE
Hgig_07409CATION TRANSPORT PROTEIN CHAC-RELATED
Hgig_07410BTB/POZ DOMAIN-CONTAINING
Hgig_07411VACUOLAR SORTING PROTEIN VPS29
Hgig_07412FI14129P
Hgig_07413PROTEIN PHOSPHATASE 1 INHIBITOR POTENTIATED BY PROTEIN KINASE C
Hgig_07414
Hgig_07415
Hgig_07416ENDOPLASMIC RETICULUM-GOLGI INTERMEDIATE COMPARTMENT PROTEIN
Hgig_07417TRANSPOSON TY3-I GAG-POL POLYPROTEIN
Hgig_07418REVERSE TRANSCRIPTASES
Hgig_07419REVERSE TRANSCRIPTASE DOMAIN-CONTAINING PROTEIN
Hgig_07420RAB FAMILY
Hgig_07421UNCHARACTERIZED
Hgig_07422FANCONI ANEMIA GROUP M FANCM FAMILY MEMBER
Hgig_07423FANCONI ANEMIA GROUP M FANCM FAMILY MEMBER
Hgig_07424
Hgig_07425RIBONUCLEASE III
Hgig_07426
Hgig_07427
Hgig_07428CENTROSOMAL PROTEIN OF 131 KDA
Hgig_07429
Hgig_07430
Hgig_07431
Hgig_07432
Hgig_07433RIBOSOMAL PROTEIN L7AE FAMILY MEMBER
Hgig_07434ZINC FINGER PROTEIN-LIKE 1
Hgig_07435
Hgig_07436
Hgig_07437THIOESTERASE 1/PROTEASE 1/LYSOPHOSPHOLIPASE L1
Hgig_07438
Hgig_07439NUCLEAR MOVEMENT PROTEIN NUDC
Hgig_07440
Hgig_07441RHOPHILIN
Hgig_07442
Hgig_07443TRANSPOSON TY3-I GAG-POL POLYPROTEIN
Hgig_07444REVERSE TRANSCRIPTASE DOMAIN-CONTAINING PROTEIN
Hgig_07445ATPASE INHIBITOR/5-FORMYLTETRAHYDROFOLATE CYCLO-LIGASE
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