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_22047RNA 3' TERMINAL PHOSPHATE CYCLASE
Hgig_22048
Hgig_22049
Hgig_22050SULFOTRANSFERASE SULT
Hgig_22051SULFOTRANSFERASE SULT
Hgig_22052MATRIX METALLOPROTEINASE
Hgig_22053MATRIX METALLOPROTEINASE
Hgig_22054
Hgig_22055
Hgig_22056ANKYRIN REPEAT-CONTAINING
Hgig_22057
Hgig_22058DIHYDROLIPOAMIDE ACETYLTRANSFERASE COMPONENT OF PYRUVATE DEHYDROGENASE COMPLEX
Hgig_22059
Hgig_22060
Hgig_22061UBIQUITIN-CONJUGATING ENZYME E2
Hgig_22062
Hgig_22063APOLIPOPROTEIN D
Hgig_22064CYTOPLASMIC TRNA 2-THIOLATION PROTEIN 2
Hgig_22065
Hgig_22066CYTOPLASMIC TRNA 2-THIOLATION PROTEIN 2
Hgig_22067APOLIPOPROTEIN D
Hgig_22068RNA-BINDING (RRM/RBD/RNP MOTIFS) FAMILY PROTEIN
Hgig_22069HOMOLOGOUS TO DROSOPHILA SQD (SQUID) PROTEIN
Hgig_22070HOMOLOGOUS TO DROSOPHILA SQD (SQUID) PROTEIN
Hgig_22071BEAT PROTEIN
Hgig_22072MACROGLOBULIN / COMPLEMENT
Hgig_22073
Hgig_22074BEAT PROTEIN
Hgig_22075ARYLSULFATASE
Hgig_22076ARYLSULFATASE
Hgig_22077ARYLSULFATASE
Hgig_22078ARYLSULFATASE
Hgig_22079
Hgig_22080
Hgig_22081T7-LIKE MITOCHONDRIAL DNA HELICASE
Hgig_22082
Hgig_22083
Hgig_2208430S RIBOSOMAL PROTEIN S10 FAMILY MEMBER
Hgig_22085SPLICING FACTOR 3B, SUBUNIT 1-RELATED
Hgig_22086
Hgig_22087
Hgig_22088
Hgig_22089
Hgig_22090INOSITOL-TETRAKISPHOSPHATE 1-KINASE
Hgig_22091TRANSCRIPTION INITIATION FACTOR TFIID SUBUNIT 4
Hgig_22092
Hgig_22093MULTI-COPPER OXIDASE
Hgig_22094
Hgig_22095ZINC FINGER PROTEIN
Hgig_22096
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