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_26349TRANSIENT RECEPTOR POTENTIAL CATION CHANNEL, SUBFAMILY M, MEMBER 6
Hgig_26350OBG GTPASE FAMILY
Hgig_26351TREHALASE
Hgig_26352E3 UBIQUITIN-PROTEIN LIGASE TOPORS
Hgig_26353GUANINE NUCLEOTIDE-BINDING PROTEIN BETA G PROTEIN BETA
Hgig_26354OSJNBA0013A04.12 PROTEIN
Hgig_26355
Hgig_26356
Hgig_26357
Hgig_26358
Hgig_26359GUANINE NUCLEOTIDE-BINDING PROTEIN BETA G PROTEIN BETA
Hgig_26360
Hgig_26361
Hgig_26362
Hgig_26363
Hgig_26364
Hgig_26365
Hgig_26366REVERSE TRANSCRIPTASE DOMAIN-CONTAINING PROTEIN
Hgig_26367
Hgig_26368GTP-BINDING PROTEIN ALPHA SUBUNIT
Hgig_26369SYNAPTOTAGMIN
Hgig_26370
Hgig_26371
Hgig_26372
Hgig_26373
Hgig_26374
Hgig_26375ENDO-1,4-BETA-GLUCANASE
Hgig_26376TUMOR PROTEIN P53-INDUCIBLE PROTEIN 13
Hgig_26377TUMOR PROTEIN P53-INDUCIBLE PROTEIN 13
Hgig_26378
Hgig_26379
Hgig_26380
Hgig_26381
Hgig_26382
Hgig_26383
Hgig_26384ANKYRIN REPEAT AND MYND DOMAIN-CONTAINING PROTEIN 2
Hgig_26385SAP18
Hgig_26386
Hgig_26387DC11 ACN9 HOMOLOG
Hgig_26388SEC15
Hgig_26389ANKYRIN REPEAT DOMAIN 40
Hgig_26390LEUCINE-RICH REPEAT-CONTAINING PROTEIN 42
Hgig_26391METALLOPROTEASE TLDD
Hgig_26392PROTEIN CBG27172
Hgig_26393BTB DOMAIN TRANSCRIPTION FACTOR
Hgig_26394
Hgig_26395TRAFFICKING PROTEIN PARTICLE COMPLEX SUBUNIT 2
Hgig_26396
Hgig_26397UNCHARACTERIZED
Hgig_26398UNCHARACTERIZED
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