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_07346UNCHARACTERIZED
Hgig_07347CYSTEINYL-TRNA SYNTHETASE
Hgig_07348
Hgig_07349
Hgig_07350
Hgig_07351
Hgig_07352
Hgig_07353
Hgig_07354
Hgig_07355HSPC111 PROTEIN-RELATED
Hgig_07356
Hgig_07357
Hgig_07358BEAT PROTEIN
Hgig_07359
Hgig_07360
Hgig_07361
Hgig_07362SYNTROPHIN
Hgig_07363
Hgig_07364
Hgig_07365BEAT PROTEIN
Hgig_07366BEAT PROTEIN
Hgig_07367G-PROTEIN COUPLED RECEPTOR 158-RELATED
Hgig_07368LIPASE
Hgig_07369REVERSE TRANSCRIPTASES
Hgig_07370REVERSE TRANSCRIPTASE
Hgig_07371TRANSMEMBRANE PROTEASE SERINE
Hgig_07372REVERSE TRANSCRIPTASE DOMAIN-CONTAINING PROTEIN
Hgig_07373METAL-SULFUR CLUSTER BIOSYNTHESIS PROTEINS YUAD-RELATED
Hgig_07374
Hgig_07375NADH-UBIQUINONE OXIDOREDUCTASE 13 KD-B SUBUNIT
Hgig_07376TRANSPOSABLE ELEMENT TC3 TRANSPOSASE-LIKE PROTEIN
Hgig_07377TROPONIN T
Hgig_07378NEUROTRANSMITTER GATED ION CHANNEL
Hgig_07379MICOS COMPLEX SUBUNIT MIC13
Hgig_07380N-ACETYLGALACTOSAMINYLTRANSFERASE
Hgig_07381
Hgig_07382
Hgig_07383
Hgig_07384
Hgig_07385REVERSE TRANSCRIPTASE
Hgig_07386DEFECTIVE PROBOSCIS EXTENSION RESPONSE DPR -RELATED
Hgig_07387REVERSE TRANSCRIPTASE DOMAIN-CONTAINING PROTEIN
Hgig_07388TRANSPOSABLE ELEMENT TC3 TRANSPOSASE-LIKE PROTEIN
Hgig_07389
Hgig_07390
Hgig_07391
Hgig_07392
Hgig_07393
Hgig_07394
Hgig_07395DNA REPLICATION LICENSING FACTOR MCM FAMILY MEMBER
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