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_20697ENDONUCLEASE RELATED
Hgig_20698BNIP - RELATED
Hgig_20699SPLICING FACTOR SF3A-RELATED
Hgig_20700CHITIN BINDING PERITROPHIN-A
Hgig_20701ENDONUCLEASE RELATED
Hgig_20702INNEXIN
Hgig_20703UNCHARACTERIZED
Hgig_20704TYROSINE-PROTEIN KINASE
Hgig_20705SQUAMOUS CELL CARCINOMA ANTIGEN RECOGNISED BY CYTOTOXIC T LYMPHOCYTES
Hgig_20706YCCV-LIKE DOMAIN-CONTAINING PROTEIN
Hgig_20707MONOCARBOXYLATE TRANSPORTER
Hgig_20708HEAT SHOCK PROTEIN 70KDA
Hgig_20709MONOCARBOXYLATE TRANSPORTER
Hgig_20710COILED-COIL DOMAIN-CONTAINING PROTEIN 115
Hgig_20711
Hgig_20712HEAT SHOCK PROTEIN 70KDA
Hgig_20713
Hgig_20714
Hgig_20715
Hgig_20716
Hgig_20717
Hgig_20718
Hgig_20719
Hgig_20720HOMEOBOX PROTEIN NKX
Hgig_20721NUCLEAR RECEPTOR COACTIVATOR 5-RELATED
Hgig_20722PTD012 PROTEIN
Hgig_20723MEDIATOR OF RNA POLYMERASE II TRANSCRIPTION SUBUNIT 8
Hgig_20724PLECKSTRIN HOMOLOGY DOMAIN-CONTAINING FAMILY F MEMBER 2-RELATED
Hgig_20725B2 BRADYKININ RECEPTOR/ANGIOTENSIN II RECEPTOR
Hgig_20726RECEPTOR-BINDING CANCER ANTIGEN EXPRESSED ON SISO CELLS CANCER ASSOCIATED SURFACE ANTIGEN RCAS1 ESTROGEN RECEPTOR-BINDING FRAGMENT- ASSOCIATED GENE 9 PROTEIN
Hgig_20727THAP DOMAIN-CONTAINING
Hgig_20728CELL DIVISION PROTEIN KINASE
Hgig_20729
Hgig_20730
Hgig_20731
Hgig_20732SMALL NUCLEAR RIBONUCLEOPROTEIN SM D2
Hgig_20733PRE-MRNA PROCESSING PROTEIN PRP39-RELATED
Hgig_20734
Hgig_20735
Hgig_20736NEUROCHONDRIN
Hgig_20737GDP-FUCOSE PROTEIN O-FUCOSYLTRANSFERASE 1
Hgig_20738
Hgig_20739GDP-FUCOSE PROTEIN O-FUCOSYLTRANSFERASE 1
Hgig_20740
Hgig_20741N-ACETYLGLUCOSAMINYL-PHOSPHATIDYLINOSITOL DE-N-ACETYLASE-RELATED
Hgig_20742
Hgig_20743BTB POZ DOMAIN CONTAINING 7
Hgig_20744CUE DOMAIN CONTAINING 2
Hgig_20745
Hgig_20746
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