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_23547CYTOCHROME P450 508A4-RELATED
Hgig_23548LONG-CHAIN-FATTY-ACID--COA LIGASE
Hgig_23549LONG-CHAIN-FATTY-ACID--COA LIGASE
Hgig_23550LONG-CHAIN-FATTY-ACID--COA LIGASE
Hgig_23551PRA1 PROTEIN
Hgig_23552REVERSE TRANSCRIPTASE DOMAIN-CONTAINING PROTEIN
Hgig_23553ET TRANSLATION PRODUCT-RELATED
Hgig_23554SERINE/THREONINE-PROTEIN KINASE LMTK1
Hgig_2355560S RIBOSOMAL PROTEIN L17
Hgig_23556RAB FAMILY
Hgig_23557RAB FAMILY
Hgig_23558
Hgig_23559
Hgig_23560
Hgig_23561
Hgig_23562MACROGLOBULIN / COMPLEMENT
Hgig_23563
Hgig_23564
Hgig_23565
Hgig_23566
Hgig_23567
Hgig_23568
Hgig_23569
Hgig_23570DNA-BINDING PROTEIN INHIBITOR
Hgig_23571DNA-BINDING PROTEIN INHIBITOR
Hgig_23572WD40 REPEAT PROTEIN
Hgig_23573UNCHARACTERIZED
Hgig_23574FI01434P-RELATED
Hgig_23575
Hgig_23576POTASSIUM CHANNEL, SUBFAMILY K
Hgig_23577F-BOX ONLY PROTEIN
Hgig_23578
Hgig_23579RNA-BINDING PROTEIN RELATED
Hgig_23580PRE-MRNA SPLICING FACTOR PRP8
Hgig_23581THIOESTERASE 1/PROTEASE 1/LYSOPHOSPHOLIPASE L1
Hgig_23582PRE-MRNA SPLICING FACTOR PRP8
Hgig_23583HISTONE ACETYLTRANSFERASE
Hgig_23584
Hgig_23585TUMOR SUPPRESSING SUBTRANSFERABLE CANDIDATE 4 TSSC4
Hgig_23586
Hgig_23587DOLICHOL-PHOSPHATE MANNOSYLTRANSFERASE SUBUNIT 1
Hgig_23588HISTONE ACETYLTRANSFERASE
Hgig_23589DOLICHOL-PHOSPHATE MANNOSYLTRANSFERASE SUBUNIT 1
Hgig_23590TELO2-INTERACTING PROTEIN 2
Hgig_23591
Hgig_23592
Hgig_23593
Hgig_23594
Hgig_23595
Hgig_23596
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