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_05696VILLIN
Hgig_05697PARATHYROID HORMONE-RESPONSIVE B1 GENE
Hgig_05698PARATHYROID HORMONE-RESPONSIVE B1 GENE
Hgig_05699UNCHARACTERIZED
Hgig_05700N-ACETYLGALACTOSAMINYLTRANSFERASE
Hgig_05701ADDUCIN
Hgig_05702UBIQUITIN CARBOXYL-TERMINAL HYDROLASE
Hgig_05703
Hgig_05704UBIQUITIN CARBOXYL-TERMINAL HYDROLASE
Hgig_05705
Hgig_05706REGULATOR OF G PROTEIN SIGNALING
Hgig_05707
Hgig_05708CYSTINOSIN
Hgig_05709POLY ADP-RIBOSE GLYCOHYDROLASE
Hgig_05710PKSB
Hgig_05711OSTEOCLAST-STIMULATING FACTOR 1
Hgig_05712
Hgig_05713BROMODOMAIN-CONTAINING PROTEIN 8
Hgig_05714CARBOHYDRATE SULFOTRANSFERASE
Hgig_05715
Hgig_05716ZINC FINGER PROTEIN 142
Hgig_05717
Hgig_05718HOMEOBOX PROTEIN SIX
Hgig_05719TBC1 DOMAIN FAMILY MEMBER GTPASE-ACTIVATING PROTEIN
Hgig_05720TBC1 DOMAIN FAMILY MEMBER GTPASE-ACTIVATING PROTEIN
Hgig_05721
Hgig_05722FI24210P1
Hgig_05723
Hgig_05724
Hgig_05725
Hgig_05726
Hgig_05727SOLUTE CARRIER FAMILY 25
Hgig_05728SERINE PROTEASE-RELATED
Hgig_05729IG(IMMUNOGLOBULIN) AND LRR(LEUCINE RICH REPEAT) DOMAINS
Hgig_05730SERINE PROTEASE-RELATED
Hgig_05731BTB DOMAIN TRANSCRIPTION FACTOR
Hgig_05732
Hgig_05733IG(IMMUNOGLOBULIN) AND LRR(LEUCINE RICH REPEAT) DOMAINS
Hgig_05734GLYCOPROTEIN HORMONE RECEPTOR
Hgig_05735
Hgig_05736SAM-DEPENDENT METHYLTRANSFERASE
Hgig_05737HEAT SHOCK PROTEIN HSP-12.2-RELATED
Hgig_05738SAM-DEPENDENT METHYLTRANSFERASE
Hgig_05739NITRILASE-RELATED
Hgig_05740UNCHARACTERIZED
Hgig_05741REVERSE TRANSCRIPTASE
Hgig_05742
Hgig_05743TRANSPOSABLE ELEMENT-RELATED
Hgig_05744
Hgig_05745TENEURIN AND N-ACETYLGLUCOSAMINE-1-PHOSPHODIESTER ALPHA-N-ACETYLGLUCOSAMINIDASE
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