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_01346
Hgig_01347PROTEIN CBG27172
Hgig_01348
Hgig_01349
Hgig_01350
Hgig_01351SPHINGOSINE KINASE
Hgig_01352
Hgig_01353
Hgig_01354
Hgig_01355
Hgig_01356REVERSE TRANSCRIPTASE
Hgig_01357
Hgig_01358
Hgig_01359EUKARYOTIC TRANSLATION INITIATION FACTOR 2-ALPHA KINASE EIF2-ALPHA KINASE -RELATED
Hgig_01360IONOTROPIC RECEPTOR 20A-RELATED
Hgig_01361IONOTROPIC RECEPTOR 20A-RELATED
Hgig_01362ZINC FINGER PROTEIN
Hgig_01363
Hgig_01364IONOTROPIC RECEPTOR 20A-RELATED
Hgig_01365
Hgig_01366
Hgig_01367
Hgig_01368VALACYCLOVIR HYDROLASE
Hgig_01369EXTRACELLULAR MATRIX GLYCOPROTEIN RELATED
Hgig_01370EXTRACELLULAR MATRIX GLYCOPROTEIN RELATED
Hgig_01371EXTRACELLULAR MATRIX GLYCOPROTEIN RELATED
Hgig_01372
Hgig_01373TENEURIN AND N-ACETYLGLUCOSAMINE-1-PHOSPHODIESTER ALPHA-N-ACETYLGLUCOSAMINIDASE
Hgig_01374TENEURIN AND N-ACETYLGLUCOSAMINE-1-PHOSPHODIESTER ALPHA-N-ACETYLGLUCOSAMINIDASE
Hgig_01375TENEURIN AND N-ACETYLGLUCOSAMINE-1-PHOSPHODIESTER ALPHA-N-ACETYLGLUCOSAMINIDASE
Hgig_01376
Hgig_01377
Hgig_01378
Hgig_01379TRANSPOSABLE ELEMENT-RELATED
Hgig_01380ZGC:101858
Hgig_01381ALPHA-AMYLASE FAMILY MEMBER
Hgig_01382
Hgig_01383ZINC FINGER MIZ DOMAIN-CONTAINING PROTEIN
Hgig_01384
Hgig_01385TRANSPOSABLE ELEMENT-RELATED
Hgig_01386
Hgig_01387PEPTIDYLPROLYL ISOMERASE
Hgig_01388ENDO/EXONUCLEASE/PHOSPHATASE DOMAIN-CONTAINING PROTEIN
Hgig_01389SI:CH211-266K2.1
Hgig_01390
Hgig_01391
Hgig_01392TRYPSIN-RELATED
Hgig_01393BETA-1,4-GLUCURONYLTRANSFERASE 1
Hgig_01394IP22168P
Hgig_01395IP22168P
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