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_04746PHOSPHOACETYLGLUCOSAMINE MUTASE
Hgig_04747ZINC FINGER BED DOMAIN-CONTAINING PROTEIN 4
Hgig_04748REVERSE TRANSCRIPTASES
Hgig_04749DEFECTIVE SPERMATOGENESIS PROTEIN 39
Hgig_04750DNA REPLICATION LICENSING FACTOR MCM FAMILY MEMBER
Hgig_04751DNA REPLICATION LICENSING FACTOR MCM FAMILY MEMBER
Hgig_04752
Hgig_04753SERYL-TRNA SYNTHETASE
Hgig_04754KINESIN-ASSOCIATED PROTEINS
Hgig_04755
Hgig_04756ARRESTIN
Hgig_04757COMPONENT OF OLIGOMERIC GOLGI COMPLEX 6
Hgig_04758
Hgig_04759
Hgig_04760
Hgig_04761INNEXIN
Hgig_04762PEPTIDYL-PROLYL CIS-TRANS ISOMERASE-RELATED
Hgig_04763HISTONE ACETYLTRANSFERASE
Hgig_04764
Hgig_04765
Hgig_04766UNCHARACTERIZED
Hgig_04767UNCHARACTERIZED
Hgig_04768ADP,ATP CARRIER PROTEIN 1-RELATED-RELATED
Hgig_04769
Hgig_04770U3 SMALL NUCLEOLAR RNA-ASSOCIATED PROTEIN 4 HOMOLOG
Hgig_04771GRIP AND COILED-COIL DOMAIN-CONTAINING PROTEIN 1
Hgig_04772
Hgig_04773REVERSE TRANSCRIPTASE
Hgig_04774MYOSIN REGULATORY LIGHT CHAIN 2
Hgig_04775CTF8, CHROMOSOME TRANSMISSION FIDELITY FACTOR 8 HOMOLOG (S. CEREVISIAE)
Hgig_04776TRANSCRIPTION ELONGATION FACTOR SPT6
Hgig_04777
Hgig_04778SIGNAL TRANSDUCER AND ACTIVATOR OF TRANSCRIPTION
Hgig_04779SIGNAL TRANSDUCER AND ACTIVATOR OF TRANSCRIPTION
Hgig_04780
Hgig_04781
Hgig_04782
Hgig_04783VON WILLEBRAND FACTOR A DOMAIN-CONTAINING PROTEIN 5A
Hgig_04784REVERSE TRANSCRIPTASE
Hgig_04785LEUCYL-TRNA SYNTHETASE
Hgig_04786LEUCYL-TRNA SYNTHETASE
Hgig_04787PROTEIN CBG24663
Hgig_04788DIMETHYLADENOSINE TRANSFERASE
Hgig_04789TRANSPOSON TY3-I GAG-POL POLYPROTEIN
Hgig_04790CONTACTIN 5
Hgig_04791MICROFIBRIL-ASSOCIATED GLYCOPROTEIN 3
Hgig_04792
Hgig_04793
Hgig_04794PROLYL ENDOPEPTIDASE
Hgig_04795PROLYL ENDOPEPTIDASE
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