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_25349
Hgig_25350LIM DOMAIN-CONTAINING PROTEIN
Hgig_25351SODIUM/NUCLEOSIDE COTRANSPORTER
Hgig_25352
Hgig_25353SODIUM/CHLORIDE DEPENDENT TRANSPORTER
Hgig_25354MEDIATOR OF RNA POLYMERASE II TRANSCRIPTION SUBUNIT 7
Hgig_25355TRANSCRIPTION INITIATION FACTOR IIB-RELATED
Hgig_25356-
Hgig_25357
Hgig_25358
Hgig_25359
Hgig_25360
Hgig_25361
Hgig_25362PROTEIN FOLDING REGULATOR
Hgig_25363ATILLA, ISOFORM B-RELATED-RELATED
Hgig_25364NYD-SP28 PROTEIN
Hgig_25365HUNTINGTIN INTERACTING PROTEIN 1
Hgig_25366
Hgig_25367
Hgig_25368TTC17 PROTEIN
Hgig_25369TTC17 PROTEIN
Hgig_25370
Hgig_25371UNCONVENTIONAL MYOSIN-IXB-LIKE PROTEIN
Hgig_25372SUGAR KINASE
Hgig_25373PROBABLE PHOSPHOLIPID-TRANSPORTING ATPASE
Hgig_25374CELL DIVISION PROTEIN KINASE
Hgig_25375CELL DIVISION PROTEIN KINASE
Hgig_25376E3 UBIQUITIN-PROTEIN LIGASE RNF8
Hgig_25377PEPTIDYL-PROLYL CIS-TRANS ISOMERASE
Hgig_25378
Hgig_25379
Hgig_25380
Hgig_25381
Hgig_25382SERINE/THREONINE-PROTEIN PHOSPHATASE 5-RELATED
Hgig_25383
Hgig_25384
Hgig_25385
Hgig_25386TRANSPOSABLE ELEMENT TC3 TRANSPOSASE-LIKE PROTEIN
Hgig_25387MYOSIN LIGHT CHAIN 1, 3
Hgig_25388
Hgig_25389
Hgig_25390
Hgig_25391
Hgig_25392ASAP FAMILY MEMBER
Hgig_25393REVERSE TRANSCRIPTASE DOMAIN-CONTAINING PROTEIN
Hgig_25394
Hgig_2539526S PROTEASOME NON-ATPASE REGULATORY SUBUNIT 11/COP9 SIGNALOSOME COMPLEX SUBUNIT 2
Hgig_25396ENDO/EXONUCLEASE/PHOSPHATASE DOMAIN-CONTAINING PROTEIN
Hgig_25397
Hgig_25398
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