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_03246
Hgig_03247
Hgig_03248
Hgig_03249RING ZINC FINGER
Hgig_03250
Hgig_03251REGULATOR OF CHROMOSOME CONDENSATION
Hgig_03252
Hgig_03253
Hgig_03254
Hgig_03255
Hgig_03256
Hgig_03257
Hgig_03258FORMIN HOMOLOGY 2 DOMAIN CONTAINING, ISOFORM I
Hgig_03259REGULATOR OF CHROMOSOME CONDENSATION
Hgig_03260
Hgig_03261DNA-DIRECTED RNA POLYMERASE
Hgig_03262FI19613P1
Hgig_03263CYPHER, ISOFORM B
Hgig_03264TRANSCRIPTION FACTOR CP2
Hgig_03265CLEFT LIP AND PALATE ASSOCIATED TRANSMEMBRANE PROTEIN-RELATED
Hgig_03266PHD FINGER PROTEINS
Hgig_03267
Hgig_03268TRANSPOSON TY3-I GAG-POL POLYPROTEIN
Hgig_03269TRANSCRIPTION FACTOR CP2
Hgig_03270
Hgig_03271
Hgig_03272
Hgig_03273
Hgig_03274
Hgig_03275
Hgig_03276RFX TRANSCRIPTION FACTOR FAMILY
Hgig_03277
Hgig_03278
Hgig_03279STRUCTURAL CONTITUENT OF CUTICLE
Hgig_03280STRUCTURAL CONTITUENT OF CUTICLE
Hgig_03281REVERSE TRANSCRIPTASE
Hgig_03282MACOILIN
Hgig_03283
Hgig_03284TRANSPOSABLE ELEMENT TC3 TRANSPOSASE-LIKE PROTEIN
Hgig_03285G PROTEIN-COUPLED RECEPTOR KINASE/RIBOSOMAL PROTEIN S6 KINASE
Hgig_03286G-PROTEIN COUPLED RECEPTOR TKR-1-RELATED
Hgig_03287G-PROTEIN COUPLED RECEPTOR TKR-1-RELATED
Hgig_03288
Hgig_03289UNCHARACTERIZED
Hgig_03290
Hgig_03291
Hgig_03292BEAT PROTEIN
Hgig_03293TRANSCRIPTASE, PUTATIVE-RELATED-RELATED
Hgig_03294ALPHA-(1,3)-FUCOSYLTRANSFERASE C-RELATED
Hgig_03295ALPHA-(1,3)-FUCOSYLTRANSFERASE C-RELATED
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