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_22397DNA-DIRECTED RNA POLYMERASE
Hgig_22398
Hgig_22399HSC70CB, ISOFORM G-RELATED
Hgig_22400WD-REPEATCONTAINING PROTEIN WDR1
Hgig_22401SERINE/THREONINE-PROTEIN KINASE
Hgig_22402
Hgig_22403NIPPED-B-LIKE PROTEIN DELANGIN SCC2-RELATED
Hgig_22404WD-REPEAT PROTEIN INTERACTING WITH PHOSPHOINOSIDES WIPI -RELATED
Hgig_22405WD-REPEAT PROTEIN INTERACTING WITH PHOSPHOINOSIDES WIPI -RELATED
Hgig_22406PEPTIDYL-PROLYL CIS-TRANS ISOMERASE
Hgig_22407MSF1/PX19 RELATED
Hgig_22408RAB GTPASE-ACTIVATING PROTEIN 1-LIKE
Hgig_22409
Hgig_22410
Hgig_22411ZINC FINGER PROTEIN 183
Hgig_22412VACUOLAR PROTEIN SORTING VPS41
Hgig_22413URIDINE DIPHOSPHATE GLUCOSE PYROPHOSPHATASE
Hgig_22414
Hgig_22415
Hgig_22416GLUTATHIONE S TRANSFERASE D10, ISOFORM A-RELATED
Hgig_22417
Hgig_22418UNCHARACTERIZED
Hgig_22419GLUCOSAMINE-6-PHOSPHATE ISOMERASE
Hgig_22420
Hgig_22421
Hgig_22422N-TERMINAL ASPARAGINE AMIDOHYDROLASE
Hgig_22423
Hgig_22424MIR-INTERACTING SAPOSIN-LIKE PROTEIN
Hgig_22425LEUCINE-ZIPPER-LIKE TRANSCRIPTIONAL REGULATOR 1
Hgig_22426
Hgig_22427MIR-INTERACTING SAPOSIN-LIKE PROTEIN
Hgig_22428
Hgig_22429
Hgig_22430INVERTED FORMIN-2
Hgig_22431INVERTED FORMIN-2
Hgig_22432VOLTAGE-GATED CATION CHANNEL CALCIUM AND SODIUM
Hgig_22433VOLTAGE-GATED CATION CHANNEL CALCIUM AND SODIUM
Hgig_22434VOLTAGE-GATED CATION CHANNEL CALCIUM AND SODIUM
Hgig_22435ALKALINE PHOSPHATASE
Hgig_22436
Hgig_22437
Hgig_22438DEFECTIVE PROBOSCIS EXTENSION RESPONSE DPR -RELATED
Hgig_22439
Hgig_22440
Hgig_22441ION TRANSPORT PEPTIDE, ISOFORM C
Hgig_22442ION TRANSPORT PEPTIDE, ISOFORM C
Hgig_22443ION TRANSPORT PEPTIDE, ISOFORM C
Hgig_22444ION TRANSPORT PEPTIDE, ISOFORM C
Hgig_22445ION TRANSPORT PEPTIDE, ISOFORM C
Hgig_22446INTRAFLAGELLAR TRANSPORT PROTEIN 122 FAMILY PROTEIN-RELATED
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