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_25147
Hgig_25148REVERSE TRANSCRIPTASE
Hgig_25149REVERSE TRANSCRIPTASE
Hgig_25150
Hgig_25151ADRENERGIC RECEPTOR-RELATED G-PROTEIN COUPLED RECEPTOR
Hgig_25152TRANSPOSABLE ELEMENT TC3 TRANSPOSASE-LIKE PROTEIN
Hgig_25153REVERSE TRANSCRIPTASE DOMAIN-CONTAINING PROTEIN
Hgig_25154SNURPORTIN1 RNUT1 PROTEIN RNA, U TRANSPORTER 1
Hgig_25155
Hgig_25156
Hgig_25157DEFECTIVE PROBOSCIS EXTENSION RESPONSE DPR -RELATED
Hgig_25158DEFECTIVE PROBOSCIS EXTENSION RESPONSE DPR -RELATED
Hgig_25159DEFECTIVE PROBOSCIS EXTENSION RESPONSE DPR -RELATED
Hgig_25160
Hgig_25162PURPLE ACID PHOSPHATASE
Hgig_25164PURPLE ACID PHOSPHATASE
Hgig_25165TRANSPOSABLE ELEMENT TC3 TRANSPOSASE-LIKE PROTEIN
Hgig_25166PURPLE ACID PHOSPHATASE
Hgig_25167
Hgig_25168BEAT PROTEIN
Hgig_25169REVERSE TRANSCRIPTASE
Hgig_25170REVERSE TRANSCRIPTASE
Hgig_25171OSJNBA0013A04.12 PROTEIN
Hgig_25172
Hgig_25173DEFECTIVE PROBOSCIS EXTENSION RESPONSE DPR -RELATED
Hgig_25174
Hgig_25175DEFECTIVE PROBOSCIS EXTENSION RESPONSE DPR -RELATED
Hgig_25176UNCHARACTERIZED
Hgig_25177UNCHARACTERIZED
Hgig_25178
Hgig_25179TRANSPOSASE-RELATED
Hgig_25180UNCHARACTERIZED
Hgig_25181
Hgig_25182TRANSMEMBRANE PROTEIN 248-LIKE
Hgig_25183PECANEX
Hgig_25184STEROL DESATURASE-RELATED PROTEIN
Hgig_25185CORNICHON-RELATED
Hgig_25186NEFA-INTERACTING NUCLEAR PROTEIN NIP30
Hgig_25187ORIGIN RECOGNITION COMPLEX SUBUNIT 6
Hgig_2518850S RIBOSOMAL PROTEIN L15
Hgig_25189HOMO-OLIGOMERIC FLAVIN CONTAINING CYS DECARBOXYLASE FAMILY
Hgig_25190ADAPTIN, ALPHA/GAMMA/EPSILON
Hgig_25191
Hgig_25192
Hgig_25193
Hgig_25194GOLGI SNARE BET1-RELATED
Hgig_25195
Hgig_25196
Hgig_251973-HYDROXYISOBUTYRYL-COA HYDROLASE-RELATED
Hgig_25198UNCHARACTERIZED
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