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_25499
Hgig_25500TRANSPOSABLE ELEMENT TC3 TRANSPOSASE-LIKE PROTEIN
Hgig_25501
Hgig_25502
Hgig_25503
Hgig_25504CHITIN BINDING PERITROPHIN-A
Hgig_25505CHITIN BINDING PERITROPHIN-A
Hgig_25506CHITIN BINDING PERITROPHIN-A
Hgig_25507PROTON CHANNEL OTOP
Hgig_25508CHITIN BINDING PERITROPHIN-A
Hgig_25509CHITIN BINDING PERITROPHIN-A
Hgig_25510CHITIN BINDING PERITROPHIN-A
Hgig_25511PROTON CHANNEL OTOP
Hgig_25512TRNA 5-METHYLAMINOMETHYL-2-THIOURIDYLATE -METHYLTRANSFERASE
Hgig_25513TRNA 5-METHYLAMINOMETHYL-2-THIOURIDYLATE -METHYLTRANSFERASE
Hgig_25514UNCHARACTERIZED
Hgig_25515UNCHARACTERIZED
Hgig_25516
Hgig_25517TRANSPOSABLE ELEMENT TC3 TRANSPOSASE-LIKE PROTEIN
Hgig_25518CELL DIVISION PROTEIN KINASE
Hgig_25519CTX-RELATED TYPE I TRANSMEMBRANE PROTEIN
Hgig_25520CTX-RELATED TYPE I TRANSMEMBRANE PROTEIN
Hgig_25521TRANSPOSABLE ELEMENT TC3 TRANSPOSASE-LIKE PROTEIN
Hgig_25522MITOCHONDRIAL DIVISION PROTEIN 1-RELATED
Hgig_25523EG:EG0003.4 PROTEIN-RELATED
Hgig_25524
Hgig_25525
Hgig_25526
Hgig_25527
Hgig_25528
Hgig_25529TRANSPOSON TY3-I GAG-POL POLYPROTEIN
Hgig_25530UNCHARACTERIZED
Hgig_25531UNCHARACTERIZED
Hgig_25532PROBABLE PHOSPHOLIPID-TRANSPORTING ATPASE
Hgig_25533TRANSPOSABLE ELEMENT TC3 TRANSPOSASE-LIKE PROTEIN
Hgig_25534
Hgig_25535
Hgig_25536
Hgig_25537
Hgig_25538
Hgig_25539G-PROTEIN COUPLED RECEPTOR 89-RELATED
Hgig_25540G-PROTEIN COUPLED RECEPTOR 89-RELATED
Hgig_25541TRANSPOSABLE ELEMENT TC3 TRANSPOSASE-LIKE PROTEIN
Hgig_2554226S PROTEASOME NON-ATPASE REGULATORY SUBUNIT 3/COP9 SIGNALOSOME COMPLEX SUBUNIT 3
Hgig_25543
Hgig_25544
Hgig_25545E3 UBIQUITIN-PROTEIN LIGASE PRAJA
Hgig_25546MYOSIN REGULATORY LIGHT CHAIN 2
Hgig_25547
Hgig_25548
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