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_08297UDP-GLUCOSE 4-EPIMERASE
Hgig_08298VOLTAGE-DEPENDENT CALCIUM CHANNEL SUBUNIT ALPHA-2/DELTA-RELATED
Hgig_08299UBIQUITIN CARBOXYL-TERMINAL HYDROLASE
Hgig_08300CAMP-RESPONSIVE ELEMENT-BINDING PROTEIN-LIKE 2
Hgig_08301SAM (S-ADENOSYL METHIONINE) TRANSPORTER
Hgig_08302
Hgig_08303
Hgig_08304TRANSPOSABLE ELEMENT TC3 TRANSPOSASE-LIKE PROTEIN
Hgig_08305DIPEPTIDYL PEPTIDASE III-RELATED
Hgig_08306
Hgig_08307
Hgig_08308ADAM10/ADAM17 METALLOPEPTIDASE FAMILY MEMBER
Hgig_08309ANOCTAMIN
Hgig_08310PROTEIN CBG27172
Hgig_08311MICROSOMAL GLUTATHIONE S-TRANSFERASE 1
Hgig_08312REVERSE TRANSCRIPTASE
Hgig_08313TRANSPOSABLE ELEMENT-RELATED
Hgig_08314
Hgig_08315
Hgig_08316
Hgig_08317NEUROTRANSMITTER GATED ION CHANNEL
Hgig_08318
Hgig_08319SLR5058 PROTEIN
Hgig_08320SYNTAXIN
Hgig_08321
Hgig_08322BTB/POZ DOMAIN-CONTAINING
Hgig_08323
Hgig_08324
Hgig_08325
Hgig_08326REVERSE TRANSCRIPTASE
Hgig_08327D-ERYTHRULOSE REDUCTASE
Hgig_08328
Hgig_08329TRANSPOSABLE ELEMENT TC3 TRANSPOSASE-LIKE PROTEIN
Hgig_08330LP21163P
Hgig_08331CUBILIN
Hgig_08332UNCHARACTERIZED
Hgig_08333UNCHARACTERIZED
Hgig_08334
Hgig_08335
Hgig_08336UNCHARACTERIZED
Hgig_08337
Hgig_0833826S PROTEASOME NON-ATPASE REGULATORY SUBUNIT 12/COP9 SIGNALOSOME COMPLEX SUBUNIT 4
Hgig_08339TRANSMEMBRANE PROTEASE SERINE
Hgig_08340DUF4793 DOMAIN-CONTAINING PROTEIN
Hgig_08341ARRESTIN
Hgig_08342TRANSMEMBRANE PROTEASE SERINE
Hgig_08343HUNTINGTON DISEASE PROTEIN
Hgig_08344HUNTINGTON DISEASE PROTEIN
Hgig_08345V-TYPE PROTON ATPASE SUBUNIT C
Hgig_08346
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