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_08797RBR FAMILY RING FINGER AND IBR DOMAIN-CONTAINING
Hgig_08798
Hgig_08799LEUCINE AMINOPEPTIDASE-RELATED
Hgig_08800THIOREDOXIN-RELATED
Hgig_08801N-ACETYLGLUCOSAMINYLTRANSFERASE VI
Hgig_08802CHROMOSOME-ASSOCIATED KINESIN KIF4A-RELATED
Hgig_08803MITOCHONDRIAL 28S RIBOSOMAL PROTEIN S29
Hgig_08804MALEYLACETOACETATE ISOMERASE
Hgig_08805T-BOX PROTEIN-RELATED
Hgig_08806SYNEMBRYN
Hgig_08807
Hgig_08808RIBOSOMAL PROTEIN L5-RELATED
Hgig_08809TRANSPOSABLE ELEMENT TC3 TRANSPOSASE-LIKE PROTEIN
Hgig_08810ZINC FINGER PROTEIN
Hgig_08811RPA-INTERACTING PROTEIN RPAIN
Hgig_08812UDP-GLUCOSE GLYCOPROTEIN:GLUCOSYLTRANSFERASE
Hgig_08813CELL DIVISION PROTEIN KINASE
Hgig_08814HOST CELL FACTOR
Hgig_08815
Hgig_08816
Hgig_08817-
Hgig_08818CHITINASE
Hgig_08819PROTEASE FAMILY M14 CARBOXYPEPTIDASE A,B
Hgig_08820HIKESHI FAMILY MEMBER
Hgig_08821
Hgig_08822
Hgig_08823
Hgig_08824
Hgig_08825
Hgig_08826
Hgig_08827PROTEIN SIDEKICK
Hgig_08828UNCHARACTERIZED
Hgig_08829ELONGATION FACTOR TU-RELATED
Hgig_08830ELONGATION FACTOR TU-RELATED
Hgig_08831-
Hgig_08832BETA-1,4-GALACTOSYLTRANSFERASE
Hgig_08833NAD-DEPENDENT PROTEIN DEACYLASE SIRTUIN-5, MITOCHONDRIAL-RELATED
Hgig_08834JNK1/MAPK8-ASSOCIATED MEMBRANE PROTEIN
Hgig_08835NEUROTRANSMITTER GATED ION CHANNEL
Hgig_08836
Hgig_08837RHO-GTPASE-ACTIVATING PROTEIN LRG1
Hgig_08838MAP-KINASE ACTIVATING DEATH DOMAIN PROTEIN MADD /DENN/AEX-3 C.ELEGANS
Hgig_08839ALPHA-(1,3)-FUCOSYLTRANSFERASE C-RELATED
Hgig_08840
Hgig_08841IMPORTIN ALPHA
Hgig_08842IMPORTIN ALPHA
Hgig_08843
Hgig_08844
Hgig_08845
Hgig_08846
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