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_26399OS06G0237300 PROTEIN
Hgig_26400
Hgig_26401VON WILLEBRAND FACTOR A DOMAIN-CONTAINING PROTEIN 8
Hgig_26402SMALL INTEGRAL MEMBRANE PROTEIN 15
Hgig_26403MYOINOSITOL OXYGENASE
Hgig_26404PHOSPHOFURIN ACIDIC CLUSTER SORTING PROTEIN
Hgig_2640530S/40S RIBOSOMAL PROTEIN S3
Hgig_26406
Hgig_26407
Hgig_26408FRAGILE X MENTAL RETARDATION SYNDROME-RELATED PROTEIN
Hgig_26409FRAGILE X MENTAL RETARDATION SYNDROME-RELATED PROTEIN
Hgig_26410CTCL TUMOR ANTIGEN HD-CL-01
Hgig_26411
Hgig_26412PROTEIN EMI5 HOMOLOG, MITOCHONDRIAL
Hgig_26413IMPORTIN BETA
Hgig_26414IMPORTIN BETA
Hgig_26415ACTIN
Hgig_26416DNA POLYMERASE ALPHA CATALYTIC SUBUNIT
Hgig_26417UNCHARACTERIZED
Hgig_26418UNCHARACTERIZED
Hgig_26419S-ADENOSYLMETHIONINE-DEPENDENT METHYLTRANSFERASE RELATED
Hgig_26420-
Hgig_26421
Hgig_26422SERINE/THREONINE-PROTEIN KINASE UNC-51-RELATED
Hgig_26423
Hgig_26424
Hgig_26425SERINE/THREONINE-PROTEIN KINASE UNC-51-RELATED
Hgig_26426
Hgig_26427DEVELOPMENTALLY-REGULATED GTP-BINDING PROTEIN 2
Hgig_26428KELCH PROTEIN
Hgig_26429
Hgig_26430KELCH PROTEIN
Hgig_26431
Hgig_26432BETA-CAROTENE DIOXYGENASE
Hgig_26433
Hgig_26434OXIDASE/PEROXIDASE
Hgig_26435CHECKPOINT SUPPRESSOR 1-LIKE, ISOFORM A-RELATED
Hgig_26436BRAIN PROTEIN I3
Hgig_26437BRAIN PROTEIN I3
Hgig_26438BRAIN PROTEIN I3
Hgig_26439RNA AND EXPORT FACTOR BINDING PROTEIN
Hgig_26440RNA AND EXPORT FACTOR BINDING PROTEIN
Hgig_26441KETIMINE REDUCTASE MU-CRYSTALLIN
Hgig_26442DUF814-RELATED
Hgig_26443DUF814-RELATED
Hgig_26444
Hgig_26445KETIMINE REDUCTASE MU-CRYSTALLIN
Hgig_26446E3 UBIQUITIN-PROTEIN LIGASE MIB2
Hgig_26447
Hgig_26448
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