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_19997
Hgig_19998
Hgig_19999
Hgig_20000ZINC FINGER BED DOMAIN-CONTAINING PROTEIN 4
Hgig_20001
Hgig_20002
Hgig_20003REVERSE TRANSCRIPTASE DOMAIN-CONTAINING PROTEIN
Hgig_20004
Hgig_20005CXC DOMAIN-CONTAINING PROTEIN-RELATED
Hgig_20006
Hgig_20007
Hgig_20008ZINC FINGER PROTEIN
Hgig_20009
Hgig_20010TRANSPOSON TY3-I GAG-POL POLYPROTEIN
Hgig_20011
Hgig_20012KELCH PROTEIN
Hgig_20013TRANSCRIPTION INITIATION FACTOR TFIID SUBUNIT 10
Hgig_20014TRANSCRIPTION INITIATION FACTOR TFIID SUBUNIT 10
Hgig_20015KRUEPPEL-LIKE TRANSCRIPTION FACTOR
Hgig_20016PROTEIN CBG27172
Hgig_20017PROTEIN CBG26694
Hgig_20018KELCH PROTEIN
Hgig_20019TRANSCRIPTION INITIATION FACTOR TFIID SUBUNIT 10
Hgig_20020
Hgig_20021
Hgig_20022KELCH PROTEIN
Hgig_20023
Hgig_20024KELCH PROTEIN
Hgig_20025PROTEIN, PUTATIVE-RELATED
Hgig_20026TRANSPOSABLE ELEMENT-RELATED
Hgig_20027
Hgig_20028
Hgig_20029
Hgig_20030
Hgig_20031EXONUCLEASE, PHAGE-TYPE/RECB, C-TERMINAL DOMAIN-CONTAINING PROTEIN
Hgig_20032
Hgig_20033
Hgig_20034TRANSPOSASE-RELATED
Hgig_20035REVERSE TRANSCRIPTASE
Hgig_20036TRANSPOSABLE ELEMENT-RELATED
Hgig_20037
Hgig_20038ZINC FINGER PROTEIN
Hgig_20039PROTEIN CBG27172
Hgig_20040REVERSE TRANSCRIPTASE
Hgig_20041TRANSPOSABLE ELEMENT-RELATED
Hgig_20042PROTEIN CBG26694
Hgig_20043ZINC FINGER PROTEIN
Hgig_20044PROTEIN CBG27172
Hgig_20045F-ACTIN-CAPPING PROTEIN SUBUNIT ALPHA
Hgig_20046
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