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_21647
Hgig_21648SOLUBLE NSF ATTACHMENT PROTEIN SNAP
Hgig_21649UNCHARACTERIZED
Hgig_21650TRANSPOSASE-RELATED
Hgig_21651CYTOCHROME P450
Hgig_21652FI18240P1-RELATED
Hgig_21653
Hgig_21654
Hgig_21655STRUCTURAL CONTITUENT OF CUTICLE
Hgig_21656STRUCTURAL CONTITUENT OF CUTICLE
Hgig_21657
Hgig_21658
Hgig_21659
Hgig_21660
Hgig_21661
Hgig_21662TRANSPOSASE-RELATED
Hgig_21663
Hgig_21664REVERSE TRANSCRIPTASE DOMAIN-CONTAINING PROTEIN
Hgig_21665PREFOLDIN SUBUNIT 1-RELATED
Hgig_21666
Hgig_21667
Hgig_21668
Hgig_21669MICROSOMAL GLUTATHIONE S-TRANSFERASE 1
Hgig_21670
Hgig_21671TRANSPOSABLE ELEMENT TC3 TRANSPOSASE-LIKE PROTEIN
Hgig_21672PROTEIN SSUH2 HOMOLOG
Hgig_21673SERINE/THREONINE-PROTEIN KINASE 17
Hgig_21674
Hgig_21675
Hgig_21676
Hgig_21677CXC DOMAIN-CONTAINING PROTEIN-RELATED
Hgig_21678DNA POLYMERASE ETA
Hgig_21679AMINOACYL TRNA SYNTHASE COMPLEX-INTERACTING MULTIFUNCTIONAL PROTEIN
Hgig_21680
Hgig_21681REVERSE TRANSCRIPTASE DOMAIN-CONTAINING PROTEIN
Hgig_21682WINGS APART-LIKE PROTEIN HOMOLOG
Hgig_21683WINGS APART-LIKE PROTEIN HOMOLOG
Hgig_21684ZINC FINGER PROTEIN 142
Hgig_21685GLIAL FACTOR NATURATION FACTOR
Hgig_21686CYTOKINE RECEPTOR
Hgig_21687RBM25 PROTEIN
Hgig_21688RBM25 PROTEIN
Hgig_21689
Hgig_21690PHOSPHATIDYLINOSITOL N-ACETYLGLUCOSAMINYLTRANSFERASE SUBUNIT P
Hgig_21691
Hgig_21692
Hgig_21693L-SERYL-TRNA(SEC) KINASE
Hgig_21694ATP SYNTHASE DELTA CHAIN
Hgig_21695
Hgig_21696UBIQUITIN CARBOXYL-TERMINAL HYDROLASE
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