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_25199PARTITIONING DEFECTIVE 3 RELATED
Hgig_25200PARTITIONING DEFECTIVE 3 RELATED
Hgig_25201PARTITIONING DEFECTIVE 3 RELATED
Hgig_25202BETA-1,3-N-ACETYLGLUCOSAMINYLTRANSFERASE
Hgig_25203DEFECTIVE PROBOSCIS EXTENSION RESPONSE DPR -RELATED
Hgig_25204
Hgig_25205MEMBRANE PROTEIN CH1 RELATED
Hgig_25206MEMBRANE PROTEIN CH1 RELATED
Hgig_25207HISTONE ACETYLTRANSFERASE
Hgig_25208HISTONE ACETYLTRANSFERASE
Hgig_25209CXC DOMAIN-CONTAINING PROTEIN-RELATED
Hgig_25210
Hgig_25211
Hgig_25212CHYMOTRYPSIN-RELATED
Hgig_25213CHYMOTRYPSIN-RELATED
Hgig_25214TETRATRICOPEPTIDE REPEAT PROTEIN, TPR
Hgig_25215TETRATRICOPEPTIDE REPEAT PROTEIN, TPR
Hgig_25216PEPTIDASE S8
Hgig_25217ETHANOLAMINE-PHOSPHATE CYTIDYLYLTRANSFERASE
Hgig_25218ETHANOLAMINE-PHOSPHATE CYTIDYLYLTRANSFERASE
Hgig_25219
Hgig_25220PEPTIDASE S8
Hgig_25221REVERSE TRANSCRIPTASE
Hgig_25222TRANSPOSABLE ELEMENT TC3 TRANSPOSASE-LIKE PROTEIN
Hgig_25223
Hgig_25224
Hgig_25225
Hgig_25226DEFECTIVE PROBOSCIS EXTENSION RESPONSE DPR -RELATED
Hgig_25227DEFECTIVE PROBOSCIS EXTENSION RESPONSE DPR -RELATED
Hgig_25228
Hgig_25229DEFECTIVE PROBOSCIS EXTENSION RESPONSE DPR -RELATED
Hgig_25230DEFECTIVE PROBOSCIS EXTENSION RESPONSE DPR -RELATED
Hgig_25231DEFECTIVE PROBOSCIS EXTENSION RESPONSE DPR -RELATED
Hgig_25232DNA-DIRECTED RNA POLYMERASES I, II, AND III SUBUNIT RPABC1
Hgig_25233DNA-DIRECTED RNA POLYMERASES I, II, AND III SUBUNIT RPABC1
Hgig_25234
Hgig_25235HAUS AUGMIN-LIKE COMPLEX SUBUNIT 1
Hgig_25236FORMIN-LIKE PROTEIN
Hgig_25237FORMIN-LIKE PROTEIN
Hgig_25238
Hgig_25239
Hgig_25240
Hgig_25241
Hgig_25242
Hgig_25243
Hgig_25244
Hgig_25245
Hgig_25246
Hgig_25247
Hgig_25248REVERSE TRANSCRIPTASES
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