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_03296
Hgig_03297
Hgig_03298
Hgig_03299STRUCTURAL CONTITUENT OF CUTICLE
Hgig_03300GLUCOSYLCERAMIDASE
Hgig_03301TAX1 BINDING PROTEIN-RELATED
Hgig_03302GLUCOSE INHIBITED DIVISION PROTEIN A
Hgig_03303
Hgig_03304
Hgig_03305PROTEASE M1 ZINC METALLOPROTEASE
Hgig_03306LIPASE MATURATION FACTOR
Hgig_03307ATP SYNTHASE MITOCHONDRIAL F1 COMPLEX ASSEMBLY FACTOR 2/ATP12 PROTEIN, MITOCHONDRIAL PRECURSOR
Hgig_03308CIRCADIAN PROTEIN CLOCK/ARNT/BMAL/PAS
Hgig_03309PHOSPHORYLASE B KINASE REGULATORY SUBUNIT
Hgig_03310
Hgig_03311
Hgig_03312PHOSPHORYLASE B KINASE REGULATORY SUBUNIT
Hgig_03313PHOSPHORYLASE B KINASE REGULATORY SUBUNIT
Hgig_03314PHOSPHORYLASE B KINASE REGULATORY SUBUNIT
Hgig_03315ZINC FINGER PROTEIN
Hgig_03316G PROTEIN-COUPLED RECEPTOR
Hgig_03317HEAT SHOCK PROTEIN 90 FAMILY MEMBER
Hgig_03318G PROTEIN-COUPLED RECEPTOR
Hgig_03319
Hgig_03320HEAT SHOCK PROTEIN 70KDA
Hgig_03321CYCLIN
Hgig_03322
Hgig_03323PORCUPINE
Hgig_03324
Hgig_03325
Hgig_03326
Hgig_03327
Hgig_03328TRANSPOSABLE ELEMENT-RELATED
Hgig_03329REVERSE TRANSCRIPTASE
Hgig_03330
Hgig_03331REVERSE TRANSCRIPTASE DOMAIN-CONTAINING PROTEIN
Hgig_03332
Hgig_03333
Hgig_03334
Hgig_03335REVERSE TRANSCRIPTASE
Hgig_03336
Hgig_03337
Hgig_03338REVERSE TRANSCRIPTASE DOMAIN-CONTAINING PROTEIN
Hgig_03339
Hgig_03340
Hgig_03341
Hgig_03342
Hgig_03343
Hgig_03344DNA-DIRECTED RNA POLYMERASE
Hgig_03345
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