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_18947
Hgig_18948
Hgig_18949ZINC FINGER PROTEIN 598
Hgig_18950ZINC FINGER PROTEIN 598
Hgig_18951AMILORIDE-SENSITIVE SODIUM CHANNEL-RELATED
Hgig_18952DER1-LIKE PROTEIN, DERLIN
Hgig_18953AMINO ACID TRANSPORTER
Hgig_18954AMINO ACID TRANSPORTER
Hgig_18955CYTOCHROME C OXIDASE ASSEMBLY PROTEIN COX15
Hgig_18956
Hgig_18957EUKARYOTIC TRANSLATION ELONGATION FACTOR 1 EPSILON-1
Hgig_18958
Hgig_18959RIBOSOMAL PROTEIN L5-RELATED
Hgig_18960WD REPEAT DOMAIN-RELATED
Hgig_18961MYOSIN LIGHT CHAIN 1, 3
Hgig_18962SIGNAL RECOGNITION PARTICLE 68 KDA PROTEIN
Hgig_18963CBF1 INTERACTING COREPRESSOR CIR
Hgig_18964CBF1 INTERACTING COREPRESSOR CIR
Hgig_18965INNEXIN
Hgig_18966KERATINOCYTE-ASSOCIATED PROTEIN 2
Hgig_18967CYCLIN
Hgig_18968AMINO ACID TRANSPORTER
Hgig_18969
Hgig_18970ZINC METALLOPROTEASE FAMILY M13 NEPRILYSIN-RELATED
Hgig_18971
Hgig_18972
Hgig_18973BETA-1,4-GLUCURONYLTRANSFERASE 1
Hgig_18974
Hgig_18975
Hgig_18976METHYLTRANSFERASE-LIKE PROTEIN 24
Hgig_18977CATION-TRANSPORTING ATPASE-RELATED
Hgig_18978CATION-TRANSPORTING ATPASE-RELATED
Hgig_18979CATION-TRANSPORTING ATPASE-RELATED
Hgig_18980CYCLIN
Hgig_18981
Hgig_18982PROTEIN CBG27172
Hgig_18983
Hgig_18984POLY A POLYMERASE CID PAP -RELATED
Hgig_18985
Hgig_18986
Hgig_189872-OXOISOVALERATE DEHYDROGENASE SUBUNIT ALPHA, MITOCHONDRIAL
Hgig_18988
Hgig_18989CELL DIVISION CYCLE 16,23,27
Hgig_18990ATP-CITRATE SYNTHASE
Hgig_18991FRUCTOSE-BISPHOSPHATE ALDOLASE
Hgig_18992SUPEROXIDE DISMUTASE CU-ZN -RELATED
Hgig_18993BAND 7 PROTEIN-RELATED
Hgig_18994IMPORTIN-7, 8, 11
Hgig_18995CARBONIC ANHYDRASE
Hgig_18996
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