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_07046HETEROGENEOUS NUCLEAR RIBONUCLEOPROTEIN-RELATED
Hgig_07047
Hgig_07048
Hgig_07049PASIFLORA 1, ISOFORM A-RELATED
Hgig_07050COMPLEXIN
Hgig_07051
Hgig_07052
Hgig_07053
Hgig_07054
Hgig_07055UPF0428 PROTEIN CXORF56
Hgig_07056SERINE/THREONINE PROTEIN PHOSPHATASE 2A PP2A REGULATORY SUBUNIT B
Hgig_07057SERINE/THREONINE PROTEIN PHOSPHATASE 2A PP2A REGULATORY SUBUNIT B
Hgig_07058
Hgig_07059
Hgig_07060
Hgig_07061POL PROTEIN
Hgig_07062TRANSPOSON TY3-I GAG-POL POLYPROTEIN
Hgig_07063RIBOSOME BIOGENESIS PROTEIN BRIX
Hgig_07064
Hgig_07065CEREBRAL PROTEIN-11-RELATED
Hgig_07066ALPHA-GLUCOSIDASE
Hgig_07067CARBOXYLASE:PYRUVATE/ACETYL-COA/PROPIONYL-COA CARBOXYLASE
Hgig_07068MICROSOMAL SIGNAL PEPTIDASE 25 KDA SUBUNIT
Hgig_07069CARBOXYLESTERASE
Hgig_07070
Hgig_07071CARBOXYLESTERASE
Hgig_07072
Hgig_07073
Hgig_07074CGI-12 PROTEIN-RELATED
Hgig_07075
Hgig_07076
Hgig_07077
Hgig_07078
Hgig_07079POLYCOMB GROUP PROTEIN
Hgig_07080
Hgig_07081
Hgig_07082GLUCOSAMINE--FRUCTOSE-6-PHOSPHATE AMINOTRANSFERASE, ISOMERIZING
Hgig_07083
Hgig_07084
Hgig_07085UNCHARACTERIZED
Hgig_07086N-ACETYLGLUCOSAMINYLTRANSFERASE VI
Hgig_07087
Hgig_07088
Hgig_07089
Hgig_07090
Hgig_07091
Hgig_07092N-ACETYLGLUCOSAMINYLTRANSFERASE VI
Hgig_07093
Hgig_07094
Hgig_07095
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