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_19147
Hgig_19148EPM2A-INTERACTING PROTEIN 1
Hgig_19149G-PROTEIN COUPLED RECEPTOR TKR-1-RELATED
Hgig_19150CXC DOMAIN-CONTAINING PROTEIN-RELATED
Hgig_19151
Hgig_19152
Hgig_19153BTB DOMAIN TRANSCRIPTION FACTOR
Hgig_19154PRE-MRNA-SPLICING FACTOR RBM22
Hgig_19155APRATAXIN-RELATED
Hgig_19156DNAJ HOMOLOG SUBFAMILY C MEMBER 21
Hgig_19157SWI5-DEPENDENT RECOMBINATION DNA REPAIR PROTEIN 1 HOMOLOG
Hgig_19158NIPSNAP-RELATED
Hgig_19159
Hgig_19160NEPHRIN
Hgig_19161
Hgig_19162IG-LIKE DOMAIN-CONTAINING PROTEIN
Hgig_19163
Hgig_19164
Hgig_19165
Hgig_19166ATP-DEPENDENT RNA HELICASE DBP3
Hgig_19167ATP-DEPENDENT RNA HELICASE DBP3
Hgig_19168
Hgig_19169
Hgig_19170SEC61 SUBUNIT BETA
Hgig_19171OROTATE PHOSPHORIBOSYLTRANSFERASE
Hgig_19172BCAS2 PROTEIN
Hgig_19173CYCLIN-D-BINDING MYB-LIKE TRANSCRIPTION FACTOR 1
Hgig_19174CYCLASE-LIKE PROTEIN 2
Hgig_19175CYCLASE-LIKE PROTEIN 2
Hgig_19176
Hgig_19177
Hgig_19178SERINE/ARGININE REPETITIVE MATRIX PROTEIN 5-RELATED
Hgig_19179ELYS PROTEIN
Hgig_19180
Hgig_19181
Hgig_19182
Hgig_19183
Hgig_19184TYROSINE-PROTEIN KINASE RECEPTOR
Hgig_19185
Hgig_19186
Hgig_19187P53 REGULATED PA26 NUCLEAR PROTEIN SESTRIN
Hgig_19188
Hgig_19189TRANSPOSABLE ELEMENT TC3 TRANSPOSASE-LIKE PROTEIN
Hgig_19190
Hgig_19191
Hgig_19192CARBOHYDRATE SULFOTRANSFERASE
Hgig_19193WAP FOUR-DISULFIDE CORE DOMAIN PROTEIN 1
Hgig_19194
Hgig_19195
Hgig_19196
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