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_22147UNCHARACTERIZED PROTEIN YJBQ-RELATED
Hgig_22148
Hgig_22149RAN BINDING PROTEIN 9-RELATED
Hgig_22150
Hgig_22151-
Hgig_22152-
Hgig_22153
Hgig_22154UPF0472 PROTEIN C16ORF72
Hgig_22155MISEXPRESSION SUPPRESSOR OF RAS 6
Hgig_22156-
Hgig_22157KRUEPPEL-LIKE TRANSCRIPTION FACTOR
Hgig_22158KRUEPPEL-LIKE TRANSCRIPTION FACTOR
Hgig_22159CELLULAR TUMOR ANTIGEN P53
Hgig_22160RAB-GAP/TBC-RELATED
Hgig_22161TYROSINE-PROTEIN KINASE
Hgig_22162TYROSINE-PROTEIN KINASE
Hgig_22163
Hgig_22164PROTEIN CBG26694
Hgig_22165RNA POLYMERASE II SUBUNIT 5-MEDIATING PROTEIN NNX3
Hgig_22166NUCLEAR HORMONE RECEPTOR
Hgig_22167NUDIX HYDROLASE, NUDC SUBFAMILY
Hgig_22168
Hgig_22169CHITINASE DOMAIN-CONTAINING PROTEIN 1 FAMILY MEMBER
Hgig_22170CHITINASE DOMAIN-CONTAINING PROTEIN 1 FAMILY MEMBER
Hgig_22171UNCHARACTERIZED
Hgig_22172
Hgig_22173PHOSPHATIDYLINOSITOL 3-KINASE REGULATORY SUBUNIT
Hgig_22174
Hgig_22175MYOTROPHIN
Hgig_22176XK-RELATED PROTEIN
Hgig_22177
Hgig_22178BOLA TRANSCRIPTION REGULATOR
Hgig_22179
Hgig_22180
Hgig_22181GMP SYNTHASE-RELATED
Hgig_22182NULP1-RELATED
Hgig_22183
Hgig_22184
Hgig_22185NULP1-RELATED
Hgig_22186
Hgig_22187
Hgig_22188ALDO/KETO REDUCTASE
Hgig_221892,5-DIKETO-D-GLUCONIC ACID REDUCTASE
Hgig_22190DEFECTIVE PROBOSCIS EXTENSION RESPONSE DPR -RELATED
Hgig_22191DEFECTIVE PROBOSCIS EXTENSION RESPONSE DPR -RELATED
Hgig_22192DEFECTIVE PROBOSCIS EXTENSION RESPONSE DPR -RELATED
Hgig_22193DEFECTIVE PROBOSCIS EXTENSION RESPONSE DPR -RELATED
Hgig_22194DEFECTIVE PROBOSCIS EXTENSION RESPONSE DPR -RELATED
Hgig_22195DEFECTIVE PROBOSCIS EXTENSION RESPONSE DPR -RELATED
Hgig_22196
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