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_09247
Hgig_09248
Hgig_09249
Hgig_09250SIDESTEP PROTEIN
Hgig_09251
Hgig_09252
Hgig_09253UNCHARACTERIZED
Hgig_09254
Hgig_09255-
Hgig_09256
Hgig_09257
Hgig_09258
Hgig_09259G/T AND G/U MISMATCH-SPECIFIC DNA GLYCOSYLASE
Hgig_09260
Hgig_09261
Hgig_09262
Hgig_09263
Hgig_09264CAMK FAMILY PROTEIN KINASE
Hgig_09265FUMARYLACETOACETASE
Hgig_0926660S RIBOSOMAL PROTEIN L18A
Hgig_09267
Hgig_09268UFM1-SPECIFIC PROTEASE 2
Hgig_09269
Hgig_09270SIDESTEP PROTEIN
Hgig_09271ATP-BINDING CASSETTE, SUB-FAMILY H, MEMBER 1
Hgig_09272OSJNBA0013A04.12 PROTEIN
Hgig_09273ALPHA KINASE/ELONGATION FACTOR 2 KINASE
Hgig_09274
Hgig_09275
Hgig_09276
Hgig_09277STAR-RELATED LIPID TRANSFER PROTEIN 9
Hgig_09278STAR-RELATED LIPID TRANSFER PROTEIN 9
Hgig_09279
Hgig_09280MITOCHONDRIAL DIVISION PROTEIN 1-RELATED
Hgig_09281ENDO/EXONUCLEASE/PHOSPHATASE DOMAIN-CONTAINING PROTEIN
Hgig_09282
Hgig_09283
Hgig_09284
Hgig_09285
Hgig_09286TRANSPOSON
Hgig_09287TRANSCRIPTION INITIATION FACTOR TFIID
Hgig_09288
Hgig_09289WD REPEAT, SAM AND U-BOX DOMAIN-CONTAINING PROTEIN 1
Hgig_09290-
Hgig_09291GLUCOSYLCERAMIDASE
Hgig_09292
Hgig_09293PATCHED-RELATED
Hgig_09294
Hgig_09295ZCCHC10 PROTEIN
Hgig_09296
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