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_26749ZINC FINGER PROTEIN 142
Hgig_26750REVERSE TRANSCRIPTASE DOMAIN-CONTAINING PROTEIN
Hgig_26751LIPOCALIN-1 INTERACTING MEMBRANE RECEPTOR LIMR
Hgig_26752
Hgig_26753
Hgig_26754
Hgig_26755RHO GUANINE EXCHANGE FACTOR-RELATED
Hgig_26756
Hgig_26757IMMUNOGLOBULIN
Hgig_26758TITIN
Hgig_26759MICROFIBRIL-ASSOCIATED GLYCOPROTEIN 3
Hgig_26760JITTERBUG, ISOFORM N
Hgig_26761JITTERBUG, ISOFORM N
Hgig_26762JITTERBUG, ISOFORM N
Hgig_26763JITTERBUG, ISOFORM N
Hgig_26764
Hgig_26765
Hgig_26766SKELETOR-RELATED
Hgig_26767SERINE/THREONINE-PROTEIN KINASE 17
Hgig_26768SOLUTE CARRIER FAMILY 39
Hgig_26769
Hgig_26770
Hgig_26771CELL DIVISION CYCLE 16,23,27
Hgig_26772CELL DIVISION CYCLE 16,23,27
Hgig_26773CELL DIVISION CYCLE 16,23,27
Hgig_26774ZINC FINGER PROTEIN
Hgig_26775HOMEOBOX PROTEIN ARISTALESS
Hgig_26776ZINC FINGER-CONTAINING PROTEIN P48ZNF
Hgig_26777E3 UBIQUITIN-PROTEIN LIGASE TRIM
Hgig_26778E3 UBIQUITIN-PROTEIN LIGASE TRIM
Hgig_26779MITOCHONDRIAL IMPORT INNER MEMBRANE TRANSLOCASE SUBUNIT TIM44
Hgig_26780POL PROTEIN
Hgig_26781CYTOCHROME P450
Hgig_26782
Hgig_26783CYTOCHROME P450
Hgig_26784LOW-DENSITY LIPOPROTEIN RECEPTOR-RELATED
Hgig_26785LOW-DENSITY LIPOPROTEIN RECEPTOR-RELATED
Hgig_26786LOW-DENSITY LIPOPROTEIN RECEPTOR-RELATED
Hgig_26787LOW-DENSITY LIPOPROTEIN RECEPTOR-RELATED
Hgig_26788LOW-DENSITY LIPOPROTEIN RECEPTOR-RELATED
Hgig_26789TRANSPOSON
Hgig_26790
Hgig_26791TRANSPOSON
Hgig_26792
Hgig_26793
Hgig_26794BUCENTAUR RELATED
Hgig_26795
Hgig_26796TRANSPOSABLE ELEMENT TC3 TRANSPOSASE-LIKE PROTEIN
Hgig_26797
Hgig_26798NUCLEAR FACTOR I
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