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_24197PEPTIDYLPROLYL ISOMERASE
Hgig_24198PHENAZINE BIOSYNTHESIS PROTEIN
Hgig_24199D-ERYTHRULOSE REDUCTASE
Hgig_24200D-ERYTHRULOSE REDUCTASE
Hgig_24201D-ERYTHRULOSE REDUCTASE
Hgig_24202D-ERYTHRULOSE REDUCTASE
Hgig_24203D-ERYTHRULOSE REDUCTASE
Hgig_24204D-ERYTHRULOSE REDUCTASE
Hgig_24205D-ERYTHRULOSE REDUCTASE
Hgig_24206D-ERYTHRULOSE REDUCTASE
Hgig_24207D-ERYTHRULOSE REDUCTASE
Hgig_24208TRANSPOSON TY3-I GAG-POL POLYPROTEIN
Hgig_24209
Hgig_24210
Hgig_24211
Hgig_24212RE43931P-RELATED
Hgig_24213PKA ANCHORING PROTEIN
Hgig_24214PHOSPHORYN, PUTATIVE-RELATED-RELATED
Hgig_24215
Hgig_24216MUSCLE-SPECIFIC PROTEIN 300 KDA, ISOFORM G
Hgig_24217TRANSGELIN
Hgig_24218REVERSE TRANSCRIPTASE
Hgig_24219
Hgig_24220
Hgig_24221
Hgig_24222
Hgig_24223CAVEOLIN
Hgig_24224ACTIN
Hgig_24225SET AND MYND DOMAIN CONTAINING, ARTHROPOD-SPECIFIC, MEMBER 4, ISOFORM A
Hgig_24226
Hgig_24227
Hgig_24228
Hgig_24229ACIDIC LEUCINE-RICH NUCLEAR PHOSPHOPROTEIN 32
Hgig_24230STEROL REGULATORY ELEMENT-BINDING PROTEIN CLEAVAGE-ACTIVATING PROTEIN
Hgig_24231PROTEIN CBG27172
Hgig_24232STEROL REGULATORY ELEMENT-BINDING PROTEIN CLEAVAGE-ACTIVATING PROTEIN
Hgig_24233TRNA-SPECIFIC ADENOSINE DEAMINASE 1
Hgig_24234METHYLMALONIC ACIDURIA AND HOMOCYSTINURIA TYPE C PROTEIN
Hgig_24235REVERSE TRANSCRIPTASE
Hgig_24236
Hgig_24237GATOR COMPLEX PROTEIN WDR59
Hgig_24238ZINC FINGER PROTEIN
Hgig_24239
Hgig_24240GATOR COMPLEX PROTEIN WDR59
Hgig_24241DNA POLYMERASE 2 ALPHA 70 KDA SUBUNIT
Hgig_24242REVERSE TRANSCRIPTASES
Hgig_24243CARBOXYLASE:PYRUVATE/ACETYL-COA/PROPIONYL-COA CARBOXYLASE
Hgig_24244CARBOXYLASE:PYRUVATE/ACETYL-COA/PROPIONYL-COA CARBOXYLASE
Hgig_24245MYOSIN REGULATORY LIGHT CHAIN 2
Hgig_24246INTEGRAL MEMBRANE PROTEIN GPR177
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