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_21997
Hgig_21998
Hgig_21999T-CELL ACTIVATION RHO GTPASE ACTIVATING PROTEIN-RELATED
Hgig_22000ATP-BINDING CASSETTE SUB-FAMILY B
Hgig_22001SOLUTE CARRIER FAMILY 34 SODIUM PHOSPHATE , MEMBER 2-RELATED
Hgig_22002V-TYPE PROTON ATPASE CATALYTIC SUBUNIT A
Hgig_22003AAA DOMAIN-CONTAINING
Hgig_22004L-THREONINE ALDOLASE-RELATED
Hgig_22005
Hgig_22006
Hgig_22007
Hgig_22008
Hgig_22009
Hgig_22010
Hgig_22011RAB FAMILY
Hgig_22012RECEPTOR-TYPE TYROSINE-PROTEIN PHOSPHATASE
Hgig_22013
Hgig_22014ZINC/IRON TRANSPORTER
Hgig_22015ZINC/IRON TRANSPORTER
Hgig_22016TRAF AND TNF RECEPTOR-ASSOCIATED PROTEIN
Hgig_22017
Hgig_22018HYPOXIA-INDUCIBLE FACTOR 1 ALPHA
Hgig_22019HYPOXIA-INDUCIBLE FACTOR 1 ALPHA
Hgig_22020
Hgig_22021PROTEIN O-LINKED-MANNOSE BETA-1,2-N-ACETYLGLUCOSAMINYLTRANSFERASE 1
Hgig_22022OXIDASE/PEROXIDASE
Hgig_22023PROTEIN CBG26694
Hgig_22024ADENYLATE CYCLASE TYPE 1
Hgig_22025CYSTEINE PROTEASE FAMILY C1-RELATED
Hgig_22026EPIDIDYMAL MEMBRANE PROTEIN E9-RELATED
Hgig_22027CYSTEINE PROTEASE FAMILY C1-RELATED
Hgig_22028CYSTEINE PROTEASE FAMILY C1-RELATED
Hgig_22029LIM/HOMEOBOX PROTEIN LHX
Hgig_22030CHROMATIN ASSEMBLY FACTOR 1 SUBUNIT B
Hgig_22031LIM/HOMEOBOX PROTEIN LHX
Hgig_22032CHROMATIN ASSEMBLY FACTOR 1 SUBUNIT B
Hgig_22033MULTIPLE COAGULATION FACTOR DEFICIENCY PROTEIN 2 NEURAL STEM CELL DERIVED NEURONAL SURVIVAL PROTEIN
Hgig_22034
Hgig_22035RNA-BINDING (RRM/RBD/RNP MOTIFS) FAMILY PROTEIN
Hgig_22036SUPPRESSION OF TUMORIGENICITY 7
Hgig_22037PROTEIN STAR
Hgig_22038
Hgig_22039PROTEIN STAR
Hgig_22040PROTEIN STAR
Hgig_22041
Hgig_22042
Hgig_22043
Hgig_22044
Hgig_22045
Hgig_22046THADA/DEATH RECEPTOR INTERACTING PROTEIN
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