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_25047TRANSPOSABLE ELEMENT TC3 TRANSPOSASE-LIKE PROTEIN
Hgig_25048OSJNBA0013A04.12 PROTEIN
Hgig_25049PROTEIN SIDEKICK
Hgig_25050
Hgig_25051
Hgig_25052TYROSINE-PROTEIN PHOSPHATASE
Hgig_25053
Hgig_25054
Hgig_25055
Hgig_25056DEAD-BOX ATP-DEPENDENT RNA HELICASE 50
Hgig_25057
Hgig_25058
Hgig_25059
Hgig_25060
Hgig_25061PROTEIN CBG27172
Hgig_25062RHO-TYPE GTPASE ACTIVATING PROTEIN
Hgig_25063ETS
Hgig_25064GLUTAMATE CYSTEINE LIGASE REGULATORY SUBUNIT
Hgig_25065CARNITINE O-ACYLTRANSFERASE
Hgig_25066GLYCOSYLTRANSFERASE-RELATED
Hgig_25067
Hgig_25068PHAGE_INTEGRASE DOMAIN-CONTAINING PROTEIN
Hgig_25069CARNITINE O-ACYLTRANSFERASE
Hgig_25070PRESEQUENCE PROTEASE
Hgig_25071L-THREONINE 3-DEHYDROGENASE
Hgig_25072GLYCOSYLTRANSFERASE-RELATED
Hgig_250732-HACID_DH_C DOMAIN-CONTAINING PROTEIN
Hgig_25074ETS
Hgig_25075
Hgig_25076CALCIUM AND INTEGRIN BINDING FAMILY MEMBER 2
Hgig_25077SET AND MYND DOMAIN CONTAINING, ARTHROPOD-SPECIFIC, MEMBER 4, ISOFORM A
Hgig_25078REVERSE TRANSCRIPTASE DOMAIN-CONTAINING PROTEIN
Hgig_25079
Hgig_25080SET AND MYND DOMAIN CONTAINING, ARTHROPOD-SPECIFIC, MEMBER 4, ISOFORM A
Hgig_25081SET AND MYND DOMAIN CONTAINING, ARTHROPOD-SPECIFIC, MEMBER 4, ISOFORM A
Hgig_25082APICAL ENDOSOMAL GLYCOPROTEIN PRECURSOR.
Hgig_25083N-MYRISTOYL TRANSFERASE
Hgig_25084TYROSINE-PROTEIN KINASE BAZ1B
Hgig_25085
Hgig_25086ALDEHYDE DEHYDROGENASE-RELATED
Hgig_25087KELCH PROTEIN
Hgig_25088
Hgig_25089
Hgig_25090TRANSFORMER-2-RELATED
Hgig_25091MITOCHONDRIAL RIBOSOME PROTEIN L39/PROLYL-TRNA LIGASE FAMILY MEMBER
Hgig_25092MITOCHONDRIAL RIBOSOME PROTEIN L39/PROLYL-TRNA LIGASE FAMILY MEMBER
Hgig_25093
Hgig_25094EPILEPSY HOLOPROSENCEPHALY CANDIDATE 1/TMEM1
Hgig_25095ENDONUCLEASE
Hgig_25096TRANSCRIPTASE, PUTATIVE-RELATED-RELATED
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