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_27099
Hgig_27100
Hgig_27101
Hgig_27102
Hgig_27103BETA-ALANINE-ACTIVATING ENZYME
Hgig_27104
Hgig_27105COMPLEMENT COMPONENT 1, S SUBCOMPONENT-RELATED
Hgig_27106PROTEIN MEMO1
Hgig_27107
Hgig_27108RFX TRANSCRIPTION FACTOR FAMILY
Hgig_27109ZINC FINGER PROTEIN
Hgig_27110ZINC FINGER PROTEIN
Hgig_27111
Hgig_27112NEUROTRANSMITTER GATED ION CHANNEL
Hgig_27113
Hgig_27114ZINC FINGER PROTEIN
Hgig_27115
Hgig_27116TRANSPOSASE-RELATED
Hgig_27117
Hgig_27118ZINC FINGER PROTEIN
Hgig_27119
Hgig_27120TRANSCRIPTION INTERMEDIARY FACTOR
Hgig_27121TRANSPOSASE-RELATED
Hgig_27122
Hgig_27123
Hgig_27124PROTEIN VASCULAR ASSOCIATED DEATH 1, CHLOROPLASTIC
Hgig_27125PROTEIN FAM91A1
Hgig_27126TRANSMEMBRANE PROTEIN KIAA1109
Hgig_27127PROTEIN VASCULAR ASSOCIATED DEATH 1, CHLOROPLASTIC
Hgig_27128EF-HAND AND COILED-COIL DOMAIN-CONTAINING FAMILY MEMBER
Hgig_27129
Hgig_27130
Hgig_27131
Hgig_27132HISTONE H2A
Hgig_27133HISTONE H3
Hgig_27134HISTONE H3
Hgig_27135HISTONE H2A
Hgig_27136HISTONE H4
Hgig_27137HISTONE H2B
Hgig_27138REVERSE TRANSCRIPTASE DOMAIN-CONTAINING PROTEIN
Hgig_27139HISTONE H3
Hgig_27140HISTONE H2A
Hgig_27141HISTONE H3
Hgig_27142HISTONE H3
Hgig_27143HISTONE H2A
Hgig_27144ENDO/EXONUCLEASE/PHOSPHATASE DOMAIN-CONTAINING PROTEIN
Hgig_27145
Hgig_27146
Hgig_27147HISTONE H2A
Hgig_27148HISTONE H2A
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