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_03346
Hgig_03347NEUROLIGIN
Hgig_03348RHO FAMILY GTPASE
Hgig_03349
Hgig_03350
Hgig_03351BASIC HELIX-LOOP-HELIX TRANSCRIPTION FACTOR, HES-RELATED
Hgig_03352
Hgig_03353UDP/ADP-SUGAR PYROPHOSPHATASE
Hgig_03354PROTEIN CBG27172
Hgig_03355MYOSIN
Hgig_03356
Hgig_03357
Hgig_03358WSCD FAMILY MEMBER CG9164
Hgig_03359DENTIN SIALOPHOSPHOPROTEIN
Hgig_03360
Hgig_03361UNCHARACTERIZED
Hgig_03362UNCHARACTERIZED
Hgig_03363UNCHARACTERIZED
Hgig_03364O-ACYLTRANSFERASE
Hgig_03365DNA REPLICATION-RELATED ELEMENT FACTOR, ISOFORM A
Hgig_03366UBX DOMAIN CONTAINING PROTEIN
Hgig_03367SIDESTEP PROTEIN
Hgig_03368
Hgig_03369
Hgig_03370PROTEIN CBG27172
Hgig_03371PROTEIN CBG26694
Hgig_03372
Hgig_03373SOLUTE CARRIER FAMILY 22 MEMBER
Hgig_03374STRUCTURAL CONTITUENT OF CUTICLE
Hgig_03375STRUCTURAL CONTITUENT OF CUTICLE
Hgig_03376STRUCTURAL CONTITUENT OF CUTICLE
Hgig_03377STRUCTURAL CONTITUENT OF CUTICLE
Hgig_03378STRUCTURAL CONTITUENT OF CUTICLE
Hgig_03379STRUCTURAL CONTITUENT OF CUTICLE
Hgig_03380LITHOSTATHINE
Hgig_03381REVERSE TRANSCRIPTASES
Hgig_03382
Hgig_03383QUEUINE TRNA-RIBOSYLTRANSFERASE CATALYTIC SUBUNIT 1
Hgig_03384
Hgig_03385QUEUINE TRNA-RIBOSYLTRANSFERASE CATALYTIC SUBUNIT 1
Hgig_03386
Hgig_03387QUEUINE TRNA-RIBOSYLTRANSFERASE CATALYTIC SUBUNIT 1
Hgig_03388
Hgig_03389
Hgig_03390G-PROTEIN COUPLED RECEPTOR 124-LIKE PROTEIN
Hgig_03391GLIOMA TUMOR SUPPRESSOR CANDIDATE REGION GENE 1
Hgig_03392
Hgig_03393
Hgig_03394PROTEIN CBG26694
Hgig_03395ACTIVATING TRANSCRIPTION FACTOR 7 INTERACTING PROTEIN
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