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_00646UREA TRANSPORTER
Hgig_00647
Hgig_00648DETERIN
Hgig_00649TYROSINE AMINOTRANSFERASE
Hgig_00650XPA-BINDING PROTEIN 1-RELATED
Hgig_00651
Hgig_00652
Hgig_00653
Hgig_00654
Hgig_00655
Hgig_00656UNCHARACTERIZED
Hgig_00657
Hgig_00658
Hgig_00659
Hgig_00660
Hgig_00661MYOSIN LIGHT CHAIN 1, 3
Hgig_00662RIBOSOMAL PROTEIN L5-RELATED
Hgig_00663DNA-DIRECTED RNA POLYMERASE II, III
Hgig_00664HIGH MOBILITY GROUP PROTEIN DSP1
Hgig_00665DNA REPLICATION LICENSING FACTOR MCM FAMILY MEMBER
Hgig_00666RP42 RELATED
Hgig_00667
Hgig_00668TRANSPOSASE-RELATED
Hgig_00669
Hgig_00670DUAL SPECIFICITY PROTEIN KINASE
Hgig_00671UNCHARACTERIZED
Hgig_00672
Hgig_00673
Hgig_00674ALPHA-GALACTOSIDASE/ALPHA-N-ACETYLGALACTOSAMINIDASE
Hgig_00675ALPHA-GALACTOSIDASE/ALPHA-N-ACETYLGALACTOSAMINIDASE
Hgig_00676TRANSPOSABLE ELEMENT TC3 TRANSPOSASE-LIKE PROTEIN
Hgig_00677TRANSPOSABLE ELEMENT-RELATED
Hgig_00678ALPHA-GALACTOSIDASE/ALPHA-N-ACETYLGALACTOSAMINIDASE
Hgig_00679ALPHA-GALACTOSIDASE/ALPHA-N-ACETYLGALACTOSAMINIDASE
Hgig_00680ALPHA-GALACTOSIDASE/ALPHA-N-ACETYLGALACTOSAMINIDASE
Hgig_00681ALPHA-GALACTOSIDASE/ALPHA-N-ACETYLGALACTOSAMINIDASE
Hgig_00682DYNACTIN SUBUNIT
Hgig_00683MYOSIN HEAVY CHAIN, NON-MUSCLE
Hgig_00684MYOSIN HEAVY CHAIN, NON-MUSCLE
Hgig_00685ALPHA-GALACTOSIDASE/ALPHA-N-ACETYLGALACTOSAMINIDASE
Hgig_00686NF-KAPPA-B ESSENTIAL MODULATOR
Hgig_00687PHOSPHORYN, PUTATIVE-RELATED-RELATED
Hgig_00688
Hgig_00689MYOTROPHIN
Hgig_00690
Hgig_00691
Hgig_00692
Hgig_00693
Hgig_00694
Hgig_00695
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