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_27449
Hgig_27450ZINC FINGER PROTEIN
Hgig_27451
Hgig_27452RHO FAMILY GTPASE
Hgig_27453
Hgig_27454ZINC FINGER PROTEIN
Hgig_27455KRUEPPEL-LIKE TRANSCRIPTION FACTOR
Hgig_27456RIBONUCLEASE H1
Hgig_27457REVERSE TRANSCRIPTASE DOMAIN-CONTAINING PROTEIN
Hgig_27458REVERSE TRANSCRIPTASE
Hgig_27459
Hgig_27460ENDONUCLEASE-RELATED
Hgig_27461
Hgig_27462ENDO/EXONUCLEASE/PHOSPHATASE DOMAIN-CONTAINING PROTEIN
Hgig_27463OSJNBA0013A04.12 PROTEIN
Hgig_27464
Hgig_27465
Hgig_27466
Hgig_27467PROTEIN CBG27172
Hgig_27468HOMEOBOX PROTEIN MSX
Hgig_27469TRANSPOSABLE ELEMENT TC3 TRANSPOSASE-LIKE PROTEIN
Hgig_27470
Hgig_27471
Hgig_27472
Hgig_27473
Hgig_27474ZINC FINGER BED DOMAIN-CONTAINING PROTEIN 4
Hgig_27475PROTEIN CBG27172
Hgig_27476ADP-RIBOSYLATION FACTOR-LIKE PROTEIN 2-RELATED
Hgig_27477TRANSPOSABLE ELEMENT TC3 TRANSPOSASE-LIKE PROTEIN
Hgig_27478ZINC FINGER PROTEIN
Hgig_27479REVERSE TRANSCRIPTASE
Hgig_27480TRANSPOSABLE ELEMENT TC3 TRANSPOSASE-LIKE PROTEIN
Hgig_27481
Hgig_27482
Hgig_27483RIBONUCLEASE H1
Hgig_27484ENDO/EXONUCLEASE/PHOSPHATASE DOMAIN-CONTAINING PROTEIN
Hgig_27485PROTEIN CBG27172
Hgig_27486RIBOSOMAL PROTEIN L5-RELATED
Hgig_27487
Hgig_27488TRANSPOSABLE ELEMENT-RELATED
Hgig_27489ADP-RIBOSYLATION FACTOR-LIKE PROTEIN 2-RELATED
Hgig_27490TRANSPOSABLE ELEMENT TC3 TRANSPOSASE-LIKE PROTEIN
Hgig_27491
Hgig_27492
Hgig_27493
Hgig_27494
Hgig_27495
Hgig_27496RIBONUCLEASE H1
Hgig_27497
Hgig_27498ZINC FINGER PROTEIN
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