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_25949KRUEPPEL-LIKE TRANSCRIPTION FACTOR
Hgig_25950KRUEPPEL-LIKE TRANSCRIPTION FACTOR
Hgig_25951ADP-RIBOSYLATION FACTOR GTPASE-ACTIVATING PROTEIN 1
Hgig_25952ADP-RIBOSYLATION FACTOR GTPASE-ACTIVATING PROTEIN 1
Hgig_25953COLLAGEN ALPHA
Hgig_25954
Hgig_25955
Hgig_25956
Hgig_25957
Hgig_25958UNC-13-4A, ISOFORM B
Hgig_25959REVERSE TRANSCRIPTASE
Hgig_25960CTX-RELATED TYPE I TRANSMEMBRANE PROTEIN
Hgig_25961PROTEIN STAR
Hgig_25962
Hgig_25963
Hgig_25964GOLGI REASSEMBLY STACKING PROTEIN GRASP
Hgig_25965SEC24-RELATED PROTEIN
Hgig_25966TRANSPOSABLE ELEMENT TC3 TRANSPOSASE-LIKE PROTEIN
Hgig_25967
Hgig_25968
Hgig_25969
Hgig_25970
Hgig_25971ALPHA-(1,3)-FUCOSYLTRANSFERASE C-RELATED
Hgig_25972
Hgig_25973
Hgig_25974
Hgig_25975
Hgig_25976PROTEIN STAR
Hgig_25977PROTEIN STAR
Hgig_25978
Hgig_25979
Hgig_25980SIDESTEP PROTEIN
Hgig_25981REVERSE TRANSCRIPTASE
Hgig_25982TRANSMEMBRANE PROTEIN 59-LIKE PROTEIN
Hgig_25983METHYLTRANSFERASE-LIKE PROTEIN 24
Hgig_25984MEMBRANE-ASSOCIATED GUANYLATE KINASE MAGUK
Hgig_25985UNCHARACTERIZED
Hgig_25986BEAT PROTEIN
Hgig_25987
Hgig_25988
Hgig_25989REVERSE TRANSCRIPTASE
Hgig_25990
Hgig_25991
Hgig_25992
Hgig_2599360S ACIDIC RIBOSOMAL PROTEIN FAMILY MEMBER
Hgig_25994
Hgig_25995UNCHARACTERIZED
Hgig_25996
Hgig_25997
Hgig_25998
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