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_24597ALCOHOL O-ACETYLTRANSFERASE 1-RELATED
Hgig_24598
Hgig_24599ALCOHOL O-ACETYLTRANSFERASE 1-RELATED
Hgig_24600
Hgig_24601
Hgig_24602
Hgig_24603MIP08469P
Hgig_24604MYOSIN REGULATORY LIGHT CHAIN 2
Hgig_24605
Hgig_24606
Hgig_24607
Hgig_24608TRANSPOSABLE ELEMENT TC3 TRANSPOSASE-LIKE PROTEIN
Hgig_24609
Hgig_24610
Hgig_24611
Hgig_24612REVERSE TRANSCRIPTASE
Hgig_24613NITRILASE C965.09-RELATED
Hgig_24614ELONGIN-C
Hgig_24615N-ACETYLTRANSFERASE ECO
Hgig_24616
Hgig_24617NUCLEAR RNA EXPORT FACTOR
Hgig_24618OS-9-RELATED
Hgig_24619REVERSE TRANSCRIPTASE DOMAIN-CONTAINING PROTEIN
Hgig_24620PROTEIN DISULFIDE ISOMERASE
Hgig_24621UNCHARACTERIZED PUTATIVE METHYLTRANSFERASE
Hgig_24622
Hgig_24623
Hgig_24624PROTEIN CBG26694
Hgig_24625
Hgig_24626TRANSCRIPTASE, PUTATIVE-RELATED-RELATED
Hgig_24627NUCLEAR RNA EXPORT FACTOR
Hgig_24628TRANSPOSABLE ELEMENT TC3 TRANSPOSASE-LIKE PROTEIN
Hgig_24629
Hgig_24630DIACYLGLYCEROL KINASE
Hgig_24631
Hgig_24632
Hgig_24633
Hgig_24634TRANSPOSABLE ELEMENT TC3 TRANSPOSASE-LIKE PROTEIN
Hgig_24635
Hgig_24636
Hgig_24637TRANSPOSABLE ELEMENT-RELATED
Hgig_24638WD40 REPEAT PROTEINPRL1/PRL2-RELATED
Hgig_24639
Hgig_24640
Hgig_24641RHO GUANINE NUCLEOTIDE EXCHANGE FACTOR
Hgig_24642RHO GUANINE NUCLEOTIDE EXCHANGE FACTOR
Hgig_24643SOLUTE CARRIER FAMILY 33 ACETYL-COA TRANSPORTER -RELATED
Hgig_24644TRANSPOSABLE ELEMENT TC3 TRANSPOSASE-LIKE PROTEIN
Hgig_24645
Hgig_24646
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