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_01646
Hgig_01647PROTEIN CBG27172
Hgig_01648
Hgig_01649
Hgig_01650
Hgig_01651
Hgig_01652ZINC FINGER PROTEIN 385B-LIKE
Hgig_01653GUANYL-NUCLEOTIDE EXCHANGE FACTOR
Hgig_01654
Hgig_01655TRANSCRIPTION FACTOR CASTOR PROTEIN MING -RELATED
Hgig_01656
Hgig_01657REVERSE TRANSCRIPTASE
Hgig_01658REVERSE TRANSCRIPTASE
Hgig_01659
Hgig_01660ENOS INTERACTING PROTEIN
Hgig_01661
Hgig_01662AMINO ACID TRANSPORTER
Hgig_01663DOLICHYL GLYCOSYLTRANSFERASE
Hgig_01664GOLGI MEMBRANE PROTEIN YIP1
Hgig_01665CALPONIN HOMOLOGY DOMAIN-CONTAINING PROTEIN DDB_G0272472-RELATED
Hgig_01666BONE MARROW PROTEOGLYCAN
Hgig_01667
Hgig_01668
Hgig_01669
Hgig_01670
Hgig_01671
Hgig_01672SERUM AMYLOID A
Hgig_01673
Hgig_01674
Hgig_01675
Hgig_01676CHST5 PROTEIN
Hgig_01677DNA-3-METHYLADENINE GLYCOSYLASE
Hgig_01678HISTONE ACETYLTRANSFERASE
Hgig_01679
Hgig_01680ATP-DEPENDENT RNA HELICASE DBP3
Hgig_01681REVERSE TRANSCRIPTASES
Hgig_01682UNCHARACTERIZED
Hgig_01683
Hgig_01684APPLE DOMAIN-CONTAINING PROTEIN
Hgig_01685
Hgig_01686
Hgig_01687
Hgig_01688
Hgig_01689
Hgig_01690SIDESTEP PROTEIN
Hgig_01691
Hgig_01692
Hgig_01693THIOREDOXIN PEROXIDASE
Hgig_01694
Hgig_01695SI:CH211-59O9.10
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