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_04546
Hgig_04547
Hgig_04548
Hgig_04549MOLTING PROTEIN MLT-4
Hgig_04550MARVEL-CONTAINING POTENTIAL LIPID RAFT-ASSOCIATED PROTEIN
Hgig_04551
Hgig_04552
Hgig_04553
Hgig_04554
Hgig_04555-
Hgig_04556
Hgig_04557
Hgig_04558CHROMATIN ASSEMBLY FACTOR 1 SUBUNIT A CAF-1 SUBUNIT A
Hgig_04559
Hgig_04560TRANSPOSABLE ELEMENT-RELATED
Hgig_04561ZINC FINGER PROTEIN
Hgig_04562
Hgig_04563
Hgig_04564
Hgig_04565LD33804P
Hgig_04566ATP-DEPENDENT RNA HELICASE DBP3
Hgig_04567UNCHARACTERIZED
Hgig_04568UNCHARACTERIZED
Hgig_04569
Hgig_04570
Hgig_04571KELCH PROTEIN
Hgig_04572PHOSPHATIDYLINOSITOL SYNTHASE
Hgig_04573CASEIN KINASE II SUBUNIT BETA
Hgig_04574
Hgig_04575TYROSYL-TRNA SYNTHETASE
Hgig_04576TYROSYL-TRNA SYNTHETASE
Hgig_04577C. ELEGANS HOMEOBOX
Hgig_04578PHYTANOYL-COA ALPHA-HYDROXYLASE
Hgig_04579UNCHARACTERIZED
Hgig_04580
Hgig_04581
Hgig_04582LATERAL SIGNALING TARGET PROTEIN 2 HOMOLOG
Hgig_04583TRANSCRIPTIONAL REPRESSOR CTCFL-RELATED
Hgig_04584UNCHARACTERIZED
Hgig_04585
Hgig_04586
Hgig_04587UNCHARACTERIZED
Hgig_04588TRAFFICKING PROTEIN PARTICLE COMPLEX SUBUNIT 3
Hgig_04589IONOTROPIC GLUTAMATE RECEPTOR
Hgig_04590
Hgig_04591
Hgig_04592GAMMA TUBULIN COMPLEX PROTEIN
Hgig_04593GLUTAMINYL-PEPTIDE CYCLOTRANSFERASE
Hgig_04594
Hgig_04595
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