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_02996TETRASPANIN
Hgig_02997DNA POLYMERASE ZETA CATALYTIC SUBUNIT
Hgig_02998DNA POLYMERASE ZETA CATALYTIC SUBUNIT
Hgig_02999DNA POLYMERASE ZETA CATALYTIC SUBUNIT
Hgig_03000
Hgig_03001-
Hgig_03002-
Hgig_03003EXPRESSED PROTEIN
Hgig_03004DNA POLYMERASE ZETA CATALYTIC SUBUNIT
Hgig_03005
Hgig_03006
Hgig_03007CYTOCHROME C OXIDASE ASSEMBLY FACTOR 3, MITOCHONDRIAL
Hgig_03008SERINE PROTEASE INHIBITOR
Hgig_03009EPPIN
Hgig_03010
Hgig_03011LD44762P
Hgig_03012
Hgig_03013TUBBY-RELATED
Hgig_03014AROMATIC AMINO ACID HYDROXYLASE
Hgig_03015
Hgig_03016JNK-INTERACTING PROTEIN 1-LIKE PROTEIN
Hgig_03017PROPROTEIN CONVERTASE SUBTILISIN/KEXIN-RELATED
Hgig_03018
Hgig_03019
Hgig_03020ALPHA-1,3/1,6-MANNOSYLTRANSFERASE ALG2
Hgig_03021IONOTROPIC RECEPTOR 20A-RELATED
Hgig_03022CUBILIN
Hgig_03023
Hgig_03024TETRATRICOPEPTIDE REPEAT (TPR)-LIKE SUPERFAMILY PROTEIN
Hgig_03025
Hgig_03026
Hgig_03027REVERSE TRANSCRIPTASE
Hgig_03028TRANSPOSABLE ELEMENT TC3 TRANSPOSASE-LIKE PROTEIN
Hgig_03029INTEGRATOR COMPLEX SUBUNIT 5
Hgig_03030
Hgig_03031COMPLEMENT COMPONENT 1, S SUBCOMPONENT-RELATED
Hgig_03032
Hgig_03033REVERSE TRANSCRIPTASE
Hgig_03034
Hgig_03035NUCLEOPORIN
Hgig_03036
Hgig_03037DNAJ HOMOLOG SUBFAMILY C MEMBER 2
Hgig_03038
Hgig_03039TRANSCRIPTION INITIATION FACTOR TFIID SUBUNIT 8
Hgig_03040HISTONE H2A
Hgig_03041EUKARYOTIC TRANSLATION INITIATION FACTOR 6
Hgig_03042CYPHER, ISOFORM B
Hgig_03043
Hgig_03044BEAT PROTEIN
Hgig_03045
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