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_09347
Hgig_09348
Hgig_09349
Hgig_09350GUANYLYL CYCLASE
Hgig_09351GUANYLYL CYCLASE
Hgig_09352TOUCAN, ISOFORM A
Hgig_09353GUANYLYL CYCLASE
Hgig_09354
Hgig_09355
Hgig_09356
Hgig_09357DYNACTIN 1-RELATED MICROTUBULE-BINDING
Hgig_09358EUKARYOTIC TRANSLATION INITIATION FACTOR 3 SUBUNIT EIF-3
Hgig_09359
Hgig_09360EUKARYOTIC TRANSLATION INITIATION FACTOR 3 EIF3 -RELATED
Hgig_09361
Hgig_09362INSULIN-LIKE GROWTH FACTOR BINDING PROTEIN-RELATED
Hgig_09363NITRILASE-RELATED
Hgig_09364
Hgig_09365
Hgig_09366UNCHARACTERIZED
Hgig_09367SH3 DOMAIN-BINDING PROTEIN 5
Hgig_09368
Hgig_09369TELOMERE-ASSOCIATED PROTEIN RIF1
Hgig_09370
Hgig_09371TRANSCRIPTION INITIATION FACTOR IIH TFIIH , POLYPEPTIDE 3-RELATED
Hgig_09372LONGEVITY ASSURANCE FACTOR 1 LAG1
Hgig_09373
Hgig_093744-HYDROXYPHENYLPYRUVATE DIOXYGENASE
Hgig_093754-HYDROXYPHENYLPYRUVATE DIOXYGENASE
Hgig_09376
Hgig_09377C-1-TETRAHYDROFOLATE SYNTHASE, CYTOPLASMIC-RELATED
Hgig_09378C-1-TETRAHYDROFOLATE SYNTHASE, CYTOPLASMIC-RELATED
Hgig_09379LYR MOTIF-CONTAINING PROTEIN 1
Hgig_09380ZINC FINGER PROTEIN
Hgig_09381E3 UBIQUITIN-PROTEIN LIGASE TRIM36-RELATED
Hgig_09382
Hgig_09383UBIQUITIN-PROTEIN LIGASE E3C
Hgig_09384
Hgig_09385PROTEIN O-LINKED-MANNOSE BETA-1,2-N-ACETYLGLUCOSAMINYLTRANSFERASE 1/ALPHA-1,3-MANNOSYL-GLYCOPROTEIN 2-BETA-N-ACETYLGLUCOSAMINYLTRANSFERASE
Hgig_09386WD40 REPEAT PROTEIN
Hgig_09387GUANINE NUCLEOTIDE EXCHANGE FACTOR
Hgig_09388
Hgig_09389WSCD FAMILY MEMBER CG9164
Hgig_09390
Hgig_09391CBL
Hgig_09392
Hgig_09393
Hgig_09394UNCHARACTERIZED
Hgig_09395UNCHARACTERIZED
Hgig_09396UNCHARACTERIZED
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