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_07446
Hgig_07447
Hgig_07448
Hgig_07449AGAP005440-PA
Hgig_07450
Hgig_07451TRYPTOPHAN 2,3-DIOXYGENASE
Hgig_07452REVERSE TRANSCRIPTASE
Hgig_07453
Hgig_07454REVERSE TRANSCRIPTASE
Hgig_07455UBIQUITIN-ACTIVATING ENZYME E1
Hgig_07456RIBOSOMAL RNA METHYLTRANSFERASE
Hgig_07457
Hgig_07458UNCHARACTERIZED
Hgig_07459REVERSE TRANSCRIPTASE
Hgig_07460ELONGATOR COMPLEX PROTEIN 2
Hgig_07461
Hgig_07462ENDONUCLEASE-RELATED
Hgig_07463REVERSE TRANSCRIPTASE
Hgig_07464AGAP007537-PB
Hgig_07465
Hgig_07466
Hgig_07467ORIGIN RECOGNITION COMPLEX SUBUNIT 3
Hgig_07468
Hgig_07469ORIGIN RECOGNITION COMPLEX SUBUNIT 3
Hgig_07470
Hgig_07471TRANSCRIPTASE, PUTATIVE-RELATED-RELATED
Hgig_07472
Hgig_07473
Hgig_07474PROBABLE PHOSPHOLIPID-TRANSPORTING ATPASE
Hgig_07475
Hgig_07476
Hgig_07477PROBABLE PHOSPHOLIPID-TRANSPORTING ATPASE
Hgig_07478
Hgig_07479TRANSPOSON
Hgig_07480NUCLEAR RESPIRATORY FACTOR 1
Hgig_07481NUCLEAR RESPIRATORY FACTOR 1
Hgig_07482UBIQUITIN THIOESTERASE
Hgig_07483
Hgig_07484
Hgig_07485
Hgig_07486GLUTATHIONE S TRANSFERASE D10, ISOFORM A-RELATED
Hgig_07487
Hgig_07488REVERSE TRANSCRIPTASE DOMAIN-CONTAINING PROTEIN
Hgig_07489
Hgig_07490
Hgig_07491SODIUM/CHLORIDE DEPENDENT TRANSPORTER
Hgig_07492
Hgig_07493
Hgig_07494
Hgig_07495
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