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_01296NINJURIN-RELATED
Hgig_01297
Hgig_01298
Hgig_01299
Hgig_01300
Hgig_01301
Hgig_01302
Hgig_01303PRE-MRNA CLEAVAGE COMPLEX II
Hgig_01304
Hgig_01305UNCHARACTERIZED
Hgig_01306-
Hgig_01307-
Hgig_01308CONDENSIN-2 COMPLEX SUBUNIT H2
Hgig_01309SPRY DOMAIN CONTAINING SOCS BOX PROTEIN
Hgig_01310
Hgig_01311
Hgig_01312
Hgig_01313EUKARYOTIC TRANSLATION INITATION FACTOR 3, SUBUNIT 8 EIF3S8 -RELATED
Hgig_01314
Hgig_01315
Hgig_01316XK-RELATED PROTEIN
Hgig_01317ACID PHOSPHATASE-RELATED
Hgig_01318UBIQUITIN CARBOXYL-TERMINAL HYDROLASE
Hgig_01319DNA HELICASE RECQ FAMILY MEMBER
Hgig_01320UBIQUITIN
Hgig_01321RHO GTPASE-ACTIVATING PROTEIN 190
Hgig_01322RHO GTPASE-ACTIVATING PROTEIN 190
Hgig_01323
Hgig_01324CYSTEINE PROTEASE FAMILY C1-RELATED
Hgig_01325PLECKSTRIN HOMOLOGY DOMAIN CONTAINING PROTEIN
Hgig_01326
Hgig_01327TRANSPOSABLE ELEMENT-RELATED
Hgig_01328
Hgig_01329
Hgig_01330
Hgig_01331
Hgig_01332NUCLEOTIDE-SUGAR TRANSMEMBRANE TRANSPORTER
Hgig_01333THUMP DOMAIN-CONTAINING
Hgig_01334
Hgig_01335ARGININOSUCCINATE LYASE
Hgig_01336
Hgig_01337
Hgig_01338DNAJ HOMOLOG SUBFAMILY C MEMBER 5 HOMOLOG
Hgig_01339SNAC DOMAIN-CONTAINING PROTEIN
Hgig_01340NUCLEOPORIN-LIKE PROTEIN 2
Hgig_01341
Hgig_01342
Hgig_01343
Hgig_01344GUANYLYL CYCLASE
Hgig_01345GUANYLYL CYCLASE
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