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_23197
Hgig_23198
Hgig_23199TAIL-ANCHORED PROTEIN INSERTION RECEPTOR WRB
Hgig_23200
Hgig_23201RNA POLYMERASE II SUBUNIT A C-TERMINAL DOMAIN PHOSPHATASE
Hgig_23202RNA POLYMERASE II SUBUNIT A C-TERMINAL DOMAIN PHOSPHATASE
Hgig_23203
Hgig_23204
Hgig_23205SUPPRESSOR OF ACTIN MUTATIONS 2/VACUOLAR PROTEIN SORTING 52
Hgig_23206
Hgig_23207
Hgig_23208
Hgig_23209ETS
Hgig_23210
Hgig_23211
Hgig_23212
Hgig_23213
Hgig_23214TUBULIN
Hgig_23215
Hgig_23216
Hgig_23217
Hgig_23218
Hgig_23219THIOESTERASE SUPERFAMILY MEMBER-RELATED
Hgig_23220CHAPERONIN
Hgig_23221PEROXISOME BIOGENESIS FACTOR 2
Hgig_23222PROTEIN CBG26694
Hgig_23223TRANSCRIPTASE, PUTATIVE-RELATED-RELATED
Hgig_23224REVERSE TRANSCRIPTASE DOMAIN-CONTAINING PROTEIN
Hgig_23225
Hgig_23226SOLUTE CARRIER FAMILY 22 MEMBER
Hgig_23227SOLUTE CARRIER FAMILY 22 MEMBER
Hgig_23228SOLUTE CARRIER FAMILY 22 MEMBER
Hgig_23229
Hgig_23230
Hgig_23231
Hgig_23232TETRASPANIN
Hgig_23233
Hgig_23234HOMEOBOX PROTEIN TRANSCRIPTION FACTORS
Hgig_23235HOMEOBOX PROTEIN TRANSCRIPTION FACTORS
Hgig_23236
Hgig_23237COLLAGEN
Hgig_23238REVERSE TRANSCRIPTASE
Hgig_23239SOLUTE CARRIER FAMILY 17
Hgig_23240
Hgig_23241SOLUTE CARRIER FAMILY 17
Hgig_23242REVERSE TRANSCRIPTASE
Hgig_23243SOLUTE CARRIER FAMILY 17
Hgig_23244REVERSE TRANSCRIPTASE
Hgig_23245HOMEOBOX PROTEIN TRANSCRIPTION FACTORS
Hgig_23246SOLUTE CARRIER FAMILY 17
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