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_02146
Hgig_02147PROTEIN, PUTATIVE-RELATED
Hgig_02148
Hgig_02149HAT FAMILY DIMERISATION DOMAINCONTAINING PROTEIN-RELATED
Hgig_02150
Hgig_02151
Hgig_02152
Hgig_02153REVERSE TRANSCRIPTASE DOMAIN-CONTAINING PROTEIN
Hgig_02154
Hgig_02155REVERSE TRANSCRIPTASE DOMAIN-CONTAINING PROTEIN
Hgig_02156
Hgig_02157
Hgig_02158TRANSPOSABLE ELEMENT-RELATED
Hgig_02159
Hgig_02160
Hgig_02161
Hgig_02162
Hgig_02163TRANSPOSABLE ELEMENT TC3 TRANSPOSASE-LIKE PROTEIN
Hgig_02164
Hgig_02165
Hgig_02166COATOMER SUBUNIT GAMMA
Hgig_02167
Hgig_02168
Hgig_02169
Hgig_02170TRANSPOSASE-RELATED
Hgig_02171
Hgig_02172
Hgig_02173SHC SH2-DOMAIN BINDING PROTEIN 1-RELATED
Hgig_02174PROTEIN CBG26694
Hgig_02175COATOMER SUBUNIT GAMMA
Hgig_02176
Hgig_02177BTB DOMAIN TRANSCRIPTION FACTOR
Hgig_02178F-BOX DOMAIN CONTAINING PROTEIN, EXPRESSED
Hgig_02179
Hgig_02180
Hgig_02181PHAGE_INTEGRASE DOMAIN-CONTAINING PROTEIN
Hgig_02182NUCLEAR HORMONE RECEPTOR
Hgig_02183NUCLEAR HORMONE RECEPTOR
Hgig_02184EUKARYOTIC TRANSLATION INITIATION FACTOR 2 SUBUNIT 1
Hgig_02185PROTEASOME ACTIVATOR COMPLEX SUBUNIT 4
Hgig_02186
Hgig_02187
Hgig_02188PROTEASOME ACTIVATOR COMPLEX SUBUNIT 4
Hgig_02189
Hgig_02190DESUMOYLATING ISOPEPTIDASE
Hgig_02191
Hgig_02192P-LOOP CONTAINING NUCLEOSIDE TRIPHOSPHATE HYDROLASES SUPERFAMILY PROTEIN
Hgig_02193
Hgig_02194
Hgig_02195ZINC FINGER PROTEIN
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