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_26049
Hgig_26050
Hgig_26051
Hgig_26052
Hgig_26053
Hgig_26054
Hgig_26055
Hgig_26056MYOSIN LIGHT CHAIN 1, 3
Hgig_26057CALCIUM BINDING PROTEIN
Hgig_26058MYOSIN LIGHT CHAIN 1, 3
Hgig_26059CALCIUM BINDING PROTEIN
Hgig_26060TRYPSIN-RELATED
Hgig_26061IONOTROPIC GLUTAMATE RECEPTOR
Hgig_26062ZINC FINGER CCHC DOMAIN-CONTAINING PROTEIN 7
Hgig_26063IONOTROPIC GLUTAMATE RECEPTOR
Hgig_26064
Hgig_26065SODIUM/HYDROGEN EXCHANGER
Hgig_26066SODIUM/HYDROGEN EXCHANGER
Hgig_26067
Hgig_26068GAG-RELATED PROTEIN
Hgig_26069NUCLEAR TRANSCRIPTION FACTOR, X-BOX BINDING 1 NFX1
Hgig_26070
Hgig_26071NUCLEAR TRANSCRIPTION FACTOR, X-BOX BINDING 1 NFX1
Hgig_26072RIBOSOMAL PROTEIN L19
Hgig_26073PYRUVATE DEHYDROGENASE KINASE
Hgig_26074PYRUVATE DEHYDROGENASE KINASE
Hgig_26075MONOCARBOXYLATE TRANSPORTER
Hgig_26076
Hgig_26077
Hgig_26078
Hgig_26079
Hgig_26080
Hgig_26081G-PROTEIN COUPLED RECEPTOR MTH-LIKE 1-RELATED
Hgig_26082HL01030P-RELATED
Hgig_26083HL01030P-RELATED
Hgig_26084DIHYDROOROTATE DEHYDROGENASE (QUINONE), MITOCHONDRIAL-RELATED
Hgig_26085
Hgig_26086DNA2/NAM7 HELICASE FAMILY
Hgig_26087ATP-DEPENDENT RNA HELICASE
Hgig_26088TRANSMEMBRANE PROTEIN 19
Hgig_26089DNA REPLICATION LICENSING FACTOR MCM FAMILY MEMBER
Hgig_26090DNA REPLICATION LICENSING FACTOR MCM FAMILY MEMBER
Hgig_26091RAP1 GTPASE-GDP DISSOCIATION STIMULATOR 1
Hgig_26092RAP1 GTPASE-GDP DISSOCIATION STIMULATOR 1
Hgig_26093ZINC FINGER PROTEIN ZIC AND GLI
Hgig_26094KRUEPPEL-LIKE TRANSCRIPTION FACTOR
Hgig_26095ZINC FINGER PROTEIN
Hgig_26096
Hgig_26097TRANSCRIPTASE, PUTATIVE-RELATED-RELATED
Hgig_26098
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