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_07146CHROMOBOX PROTEIN
Hgig_07147TRANSMEMBRANE PROTEIN 121B
Hgig_07148
Hgig_07149CARBOHYDRATE SULFOTRANSFERASE
Hgig_07150IODOTHYRONINE DEIODINASE
Hgig_07151IODOTHYRONINE DEIODINASE
Hgig_07152
Hgig_07153HEAT SHOCK PROTEIN 70KDA
Hgig_07154DIAMINE N-ACETYLTRANSFERASE
Hgig_07155OLIGOPEPTIDE TRANSPORTER-RELATED
Hgig_07156
Hgig_07157
Hgig_07158
Hgig_07159
Hgig_07160
Hgig_07161
Hgig_07162
Hgig_07163
Hgig_07164
Hgig_07165SARCOGLYCAN
Hgig_07166SARCOGLYCAN
Hgig_07167-
Hgig_07168SOLUTE CARRIER FAMILY 17
Hgig_07169-
Hgig_07170RABCONNECTIN-RELATED
Hgig_07171PHAGE_INTEGRASE DOMAIN-CONTAINING PROTEIN
Hgig_07172PHAGE_INTEGRASE DOMAIN-CONTAINING PROTEIN
Hgig_07173
Hgig_07174
Hgig_07175ADRENERGIC RECEPTOR-RELATED G-PROTEIN COUPLED RECEPTOR
Hgig_07176
Hgig_07177
Hgig_07178ADRENERGIC RECEPTOR-RELATED G-PROTEIN COUPLED RECEPTOR
Hgig_07179REVERSE TRANSCRIPTASE
Hgig_07180NEUROTRANSMITTER GATED ION CHANNEL
Hgig_07181
Hgig_0718254S RIBOSOMAL PROTEIN L1, MITOCHONDRIAL
Hgig_07183
Hgig_0718454S RIBOSOMAL PROTEIN L1, MITOCHONDRIAL
Hgig_07185L-FUCOSE KINASE
Hgig_07186
Hgig_07187BEIGE/BEACH-RELATED
Hgig_07188BEIGE/BEACH-RELATED
Hgig_07189STRUCTURAL CONTITUENT OF CUTICLE
Hgig_07190STRUCTURAL CONTITUENT OF CUTICLE
Hgig_07191STRUCTURAL CONTITUENT OF CUTICLE
Hgig_07192STRUCTURAL CONTITUENT OF CUTICLE
Hgig_07193BEIGE/BEACH-RELATED
Hgig_07194BEIGE/BEACH-RELATED
Hgig_07195CELL FATE DETERMINING PROTEIN MAB21-RELATED
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