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_19247
Hgig_19248
Hgig_19249MYOSIN VII, XV
Hgig_19250MYOSIN VII, XV
Hgig_19251MYOSIN VII, XV
Hgig_19252RING FINGER PROTEIN 17
Hgig_19253TUDOR DOMAIN CONTAINING PROTEIN
Hgig_19254
Hgig_19255
Hgig_19256
Hgig_19257REPLICATION FACTOR C / DNA POLYMERASE III GAMMA-TAU SUBUNIT
Hgig_19258
Hgig_19259GAMMA-INTERFERON INDUCIBLE LYSOSOMAL THIOL REDUCTASE GILT
Hgig_19260BASIC HELIX-LOOP-HELIX ZIP TRANSCRIPTION FACTOR
Hgig_19261GH20023P
Hgig_19262RE45066P-RELATED
Hgig_19263EXPRESSED PROTEIN
Hgig_19264
Hgig_19265MULTIFUNCTIONAL PROTEIN ADE2
Hgig_19266MULTIFUNCTIONAL PROTEIN ADE2
Hgig_19267ATP-BINDING TRANSPORT PROTEIN-RELATED
Hgig_19268ADENOSINE/GUANOSINE DIPHOSPHATASE
Hgig_19269HERMANSKY-PUDLAK SYNDROME PROTEIN 1
Hgig_19270
Hgig_19271HERMANSKY-PUDLAK SYNDROME PROTEIN 1
Hgig_19272TUBULIN POLYGLUTAMYLASE
Hgig_19273EXOSOME COMPLEX EXONUCLEASE RIBOSOMAL RNA PROCESSING PROTEIN
Hgig_19274BETA-CAROTENE DIOXYGENASE
Hgig_19275
Hgig_19276
Hgig_19277
Hgig_19278PROLINE-SERINE-THREONINE PHOSPHATASE INTERACTING PROTEIN 1
Hgig_19279RUNT RELATED
Hgig_19280GUANYLYL CYCLASE
Hgig_19281TRNA MODIFICATION GTPASE GTPBP3
Hgig_19282DEFECTIVE PROBOSCIS EXTENSION RESPONSE DPR -RELATED
Hgig_19283
Hgig_19284NEUROTRANSMITTER GATED ION CHANNEL
Hgig_19285ODD-SKIPPED - RELATED
Hgig_19286
Hgig_19287RIBOFLAVIN KINASE/FMN ADENYLYLTRANSFERASE
Hgig_19288RIBOFLAVIN KINASE/FMN ADENYLYLTRANSFERASE
Hgig_19289RIBOFLAVIN KINASE/FMN ADENYLYLTRANSFERASE
Hgig_19290AGAP004733-PA
Hgig_19291LP04239P
Hgig_19292
Hgig_19293F-BOX DOMAIN CONTAINING PROTEIN, EXPRESSED
Hgig_19294UNCHARACTERIZED
Hgig_19295
Hgig_19296
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