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_21547
Hgig_21548OXYSTEROL-BINDING PROTEIN-RELATED
Hgig_21549
Hgig_21550CYSTEINE DESULFURYLASE FAMILY MEMBER
Hgig_21551UNCHARACTERIZED
Hgig_21552
Hgig_21553E3 UBIQUITIN-PROTEIN LIGASE NHLRC1-RELATED
Hgig_21554TRANSPOSABLE ELEMENT-RELATED
Hgig_21555
Hgig_21556CITRATE LYASE SUBUNIT BETA-RELATED
Hgig_21557
Hgig_21558BASIC HELIX-LOOP-HELIX TRANSCRIPTION FACTOR
Hgig_21559
Hgig_21560
Hgig_21561ACETYLGLUCOSAMINYLTRANSFERASE
Hgig_21562
Hgig_21563UNCHARACTERIZED
Hgig_21564
Hgig_21565
Hgig_21566PIKACHURIN-LIKE PROTEIN
Hgig_21567PROTEIN CBG27172
Hgig_21568
Hgig_21569
Hgig_21570CYCLIC NUCLEOTIDE PHOSPHODIESTERASE
Hgig_21571SPARC OSTEONECTIN
Hgig_21572
Hgig_21573PHOSPHOLIPASE D
Hgig_21574PHOSPHOLIPASE D
Hgig_21575
Hgig_21576PHOSPHOLIPASE D
Hgig_21577
Hgig_21578LD33804P
Hgig_21579BTB DOMAIN TRANSCRIPTION FACTOR
Hgig_21580
Hgig_21581CXXC-TYPE ZINC FINGER PROTEIN 1
Hgig_21582NUCLEAR RESPIRATORY FACTOR 1
Hgig_21583COENZYME Q10 BIOSYNTHESIS PROTEIN 7
Hgig_21584SOLUTE CARRIER FAMILY 17
Hgig_21585COLLAGEN ALPHA
Hgig_21586
Hgig_21587
Hgig_21588RNA RECOGNITION MOTIF RRM DOMAIN CONTAINING PROTEIN
Hgig_21589RECQ-MEDIATED GENOME INSTABILITY PROTEIN 2 RMI2
Hgig_21590PROTEASOME SUBUNIT ALPHA/BETA
Hgig_21591WD REPEAT PROTEIN 26-RELATED
Hgig_21592BETA-CAROTENE DIOXYGENASE
Hgig_21593
Hgig_21594
Hgig_21595METALLOPROTEASE M41 FTSH
Hgig_21596METALLOPROTEASE M41 FTSH
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