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_24997BETA-1,3-N-ACETYLGLUCOSAMINYLTRANSFERASE
Hgig_24998NEUROTRANSMITTER GATED ION CHANNEL
Hgig_24999RUVB-RELATED REPTIN AND PONTIN
Hgig_25000POL PROTEIN
Hgig_25001FATTY ACID ACYL TRANSFERASE-RELATED
Hgig_25002VOLTAGE-GATED CATION CHANNEL CALCIUM AND SODIUM
Hgig_25003CULLIN
Hgig_25004CULLIN
Hgig_25005DALRD3 PROTEIN
Hgig_25006DALRD3 PROTEIN
Hgig_25007MYOSIN
Hgig_25008MICROSOMAL TRIGLYCERIDE TRANSFER PROTEIN, LARGE SUBUNIT
Hgig_25009
Hgig_25010DEATH DOMAIN-CONTAINING PROTEIN
Hgig_25011
Hgig_25012PHOSPHOTYROSINE INTERACTION DOMAIN-CONTAINING FAMILY MEMBER
Hgig_25013C-TYPE LECTIN DOMAIN-CONTAINING PROTEIN 180
Hgig_25014LD08641P
Hgig_25015SORTING NEXIN
Hgig_25016LD08641P
Hgig_25017ENDONUCLEASE III-LIKE PROTEIN 1
Hgig_25018
Hgig_25019LONG-CHAIN-FATTY-ACID--COA LIGASE
Hgig_25020GENERAL TRANSCRIPTION FACTOR IIH SUBUNIT 2
Hgig_25021EXOSOME COMPLEX COMPONENT
Hgig_25022
Hgig_25023
Hgig_25024
Hgig_25025NUCLEAR HORMONE RECEPTOR
Hgig_25026GUANYL-NUCLEOTIDE EXCHANGE FACTOR
Hgig_2502760S RIBOSOMAL PROTEIN L28
Hgig_25028ADP-RIBOSYLATION FACTOR-RELATED PROTEIN 1
Hgig_25029KNIRPS-RELATED PROTEIN-RELATED
Hgig_25030
Hgig_25031
Hgig_25032MEDIATOR OF RNA POLYMERASE II TRANSCRIPTION SUBUNIT 23
Hgig_25033QUIESCIN Q6-RELATED SULFHYDRYL OXIDASE
Hgig_25034UNCHARACTERIZED
Hgig_25035PEPTIDYL-PROLYL CIS-TRANS ISOMERASE
Hgig_25036PEPTIDYL-PROLYL CIS-TRANS ISOMERASE
Hgig_25037BREAST CANCER METASTASIS-SUPPRESSOR 1
Hgig_25038
Hgig_25039CYCLIC AMP RESPONSE ELEMENT-BINDING PROTEIN B
Hgig_25040PROTEIN PHOSPHATASE 2C
Hgig_25041
Hgig_25042
Hgig_25043
Hgig_25044GREMLIN 1
Hgig_25045
Hgig_25046
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