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_2054740S RIBOSOMAL PROTEIN S14/30S RIBOSOMAL PROTEIN S11
Hgig_20548PROTEIN CBG26694
Hgig_20549CHROMODOMAIN-HELICASE-DNA-BINDING PROTEIN 3-RELATED-RELATED
Hgig_20550REVERSE TRANSCRIPTASE DOMAIN-CONTAINING PROTEIN
Hgig_20551
Hgig_20552PROTEIN CBG27172
Hgig_20553DNA REPLICATION LICENSING FACTOR MCM FAMILY MEMBER
Hgig_20554DNA REPLICATION LICENSING FACTOR MCM FAMILY MEMBER
Hgig_20555PRO-THYROTROPIN-RELEASING HORMONE
Hgig_20556
Hgig_20557RAP GTPASE-ACTIVATING PROTEIN
Hgig_20558
Hgig_20559RAP GTPASE-ACTIVATING PROTEIN
Hgig_20560
Hgig_20561
Hgig_20562
Hgig_20563
Hgig_20564
Hgig_20565
Hgig_20566CADHERIN-23
Hgig_20567NEUROTRANSMITTER GATED ION CHANNEL
Hgig_20568
Hgig_20569BLEOMYCIN HYDROLASE
Hgig_20570BLEOMYCIN HYDROLASE
Hgig_20571BLEOMYCIN HYDROLASE
Hgig_20572REVERSE TRANSCRIPTASE DOMAIN-CONTAINING PROTEIN
Hgig_20573ZINC FINGER CCHC DOMAIN-CONTAINING PROTEIN 7
Hgig_20574TRNA (GUANINE-9-) METHYLTRANSFERASE
Hgig_20575LEUCINE CARBOXYL METHYLTRANSFERASE
Hgig_20576TRANSCRIPTION INITIATION FACTOR TFIID SUBUNIT 12
Hgig_20577REVERSE TRANSCRIPTASE DOMAIN-CONTAINING PROTEIN
Hgig_20578
Hgig_20579PHOSPHORYLATED CTD INTERACTING FACTOR 1
Hgig_20580
Hgig_20581DEFECTIVE PROBOSCIS EXTENSION RESPONSE DPR -RELATED
Hgig_20582REVERSE TRANSCRIPTASE DOMAIN-CONTAINING PROTEIN
Hgig_20583UBIQUITIN-PROTEIN LIGASE E3C
Hgig_20584UBIQUITIN-PROTEIN LIGASE E3C
Hgig_20585
Hgig_20586
Hgig_20587DEFECTIVE PROBOSCIS EXTENSION RESPONSE DPR -RELATED
Hgig_20588SPLICING FACTOR U2AF-ASSOCIATED PROTEIN 2
Hgig_20589
Hgig_20590
Hgig_20591
Hgig_20592PROTEIN CBG27172
Hgig_20593NIEMANN PICK TYPE C2 PROTEIN NPC2-RELATED
Hgig_20594NIEMANN PICK TYPE C2 PROTEIN NPC2-RELATED
Hgig_20595NEUROTRANSMITTER GATED ION CHANNEL
Hgig_20596NEUROTRANSMITTER GATED ION CHANNEL
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