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_04146DYNACTIN 1-RELATED MICROTUBULE-BINDING
Hgig_04147OS05G0424000 PROTEIN-RELATED
Hgig_04148OS05G0424000 PROTEIN-RELATED
Hgig_04149
Hgig_04150REVERSE TRANSCRIPTASE DOMAIN-CONTAINING PROTEIN
Hgig_04151OS05G0424000 PROTEIN-RELATED
Hgig_04152
Hgig_04153UNCHARACTERIZED
Hgig_04154UNCHARACTERIZED
Hgig_04155
Hgig_04156NUCLEAR HORMONE RECEPTOR
Hgig_04157GLUTAMATE-RICH WD REPEAT-CONTAINING PROTEIN 1
Hgig_04158HAUS AUGMIN-LIKE COMPLEX SUBUNIT 7
Hgig_04159CHARGED MULTIVESICULAR BODY PROTEIN
Hgig_04160HAUS AUGMIN-LIKE COMPLEX SUBUNIT 7
Hgig_04161CHARGED MULTIVESICULAR BODY PROTEIN
Hgig_04162PARTNER OF BURSICON
Hgig_04163TRANSPOSON TY3-I GAG-POL POLYPROTEIN
Hgig_04164
Hgig_04165
Hgig_04166RHO-TYPE GUANINE NUCLEOTIDE EXCHANGE FACTOR, ISOFORM F
Hgig_04167CARBOHYDRATE SULFOTRANSFERASE
Hgig_04168CARBOHYDRATE SULFOTRANSFERASE
Hgig_04169
Hgig_04170DNA POLYMERASE DELTA SUBUNIT 3
Hgig_04171
Hgig_04172VACUOLAR PROTEIN SORTING-ASSOCIATED PROTEIN VPS13
Hgig_04173
Hgig_04174VACUOLAR PROTEIN SORTING-ASSOCIATED PROTEIN VPS13
Hgig_04175VACUOLAR PROTEIN SORTING-ASSOCIATED PROTEIN VPS13
Hgig_04176
Hgig_04177
Hgig_04178
Hgig_04179SEMAPHORIN
Hgig_04180
Hgig_04181
Hgig_04182HEPARAN SULFATE 2-O-SULFOTRANSFERASE
Hgig_04183
Hgig_04184SUCCINATE--HYDROXYMETHYLGLUTARATE COA-TRANSFERASE
Hgig_04185L-ASPARAGINASE
Hgig_04186IG(IMMUNOGLOBULIN) AND LRR(LEUCINE RICH REPEAT) DOMAINS
Hgig_04187
Hgig_04188PROTEIN CBG26694
Hgig_04189
Hgig_04190L-ASPARAGINASE
Hgig_04191L-ASPARAGINASE
Hgig_04192SER/THR PROTEIN KINASE-TRB
Hgig_04193
Hgig_04194EXODEOXYRIBONUCLEASE III
Hgig_04195REVERSE TRANSCRIPTASE DOMAIN-CONTAINING PROTEIN
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