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_04296
Hgig_04297BETA-CATENIN-LIKE PROTEIN 1 NUCLEAR ASSOCIATED PROTEIN
Hgig_04298RIBOSOMAL PROTEIN L5-RELATED
Hgig_04299G-PROTEIN COUPLED RECEPTOR 158-RELATED
Hgig_04300
Hgig_04301MONOACYLGLYCEROL LIPASE
Hgig_04302
Hgig_04303ALADIN/ADRACALIN/AAAS
Hgig_04304
Hgig_04305CAMK FAMILY PROTEIN KINASE
Hgig_04306
Hgig_04307UBIQUITIN-CONJUGATING ENZYME E2
Hgig_04308REVERSE TRANSCRIPTASE
Hgig_04309UNCHARACTERIZED
Hgig_04310
Hgig_04311VITELLOGENIN-RELATED
Hgig_04312VITELLOGENIN-RELATED
Hgig_04313
Hgig_04314
Hgig_04315BASIC HELIX-LOOP-HELIX TRANSCRIPTION FACTOR, TWIST
Hgig_04316
Hgig_04317
Hgig_04318E3 UBIQUITIN-PROTEIN LIGASE KCMF1
Hgig_04319
Hgig_04320
Hgig_04321
Hgig_04322PROTEIN PHOSPHATASE 1 REGULATORY SUBUNIT SDS22-RELATED
Hgig_04323REVERSE TRANSCRIPTASES
Hgig_04324SYNAPTOBREVIN HOMOLOG YKT6
Hgig_04325SERINE/THREONINE-PROTEIN KINASE DOA-RELATED
Hgig_04326
Hgig_04327
Hgig_04328RIBOSOMAL PROTEIN L5-RELATED
Hgig_04329PROTEIN CBG27172
Hgig_04330
Hgig_04331
Hgig_04332MTG8 ETO EIGHT TWENTY ONE PROTEIN
Hgig_04333
Hgig_04334
Hgig_04335
Hgig_04336CGI-41 METHYLTRANSFERASE
Hgig_04337EF-HAND AND COILED-COIL DOMAIN-CONTAINING FAMILY MEMBER
Hgig_04338PEROXISOMAL TRANS-2-ENOYL-COA REDUCTASE
Hgig_04339
Hgig_04340
Hgig_04341ATP-DEPENDENT RNA HELICASE DBP3
Hgig_04342
Hgig_04343TRANSLOCON-ASSOCIATED PROTEIN, DELTA SUBUNIT
Hgig_04344PUTATIVE ATP-ASE
Hgig_04345
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