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_24297TRANSPOSABLE ELEMENT TC3 TRANSPOSASE-LIKE PROTEIN
Hgig_24298
Hgig_24299TRANSCRIPTION INITIATION FACTOR TFIID
Hgig_24300TRANSCRIPTION INITIATION FACTOR TFIID
Hgig_24301TRANSCRIPTION INITIATION FACTOR TFIID
Hgig_24302UNCHARACTERIZED
Hgig_24303NEUROTRANSMITTER GATED ION CHANNEL
Hgig_24304
Hgig_24305TRANSPOSASE-RELATED
Hgig_24306
Hgig_24307NEUROTRANSMITTER GATED ION CHANNEL
Hgig_24308RECEPTOR-TYPE TYROSINE-PROTEIN PHOSPHATASE
Hgig_24309INACTIVE TYROSINE-PROTEIN KINASE 7
Hgig_24310INACTIVE TYROSINE-PROTEIN KINASE 7
Hgig_24311INACTIVE TYROSINE-PROTEIN KINASE 7
Hgig_24312
Hgig_24313BLR2807 PROTEIN
Hgig_24314
Hgig_24315RECEPTOR-TYPE TYROSINE-PROTEIN PHOSPHATASE
Hgig_24316REVERSE TRANSCRIPTASE
Hgig_24317TRANSPOSABLE ELEMENT TC3 TRANSPOSASE-LIKE PROTEIN
Hgig_24318REVERSE TRANSCRIPTASE
Hgig_24319GLUTAMINASE
Hgig_24320
Hgig_24321RECEPTOR-TYPE TYROSINE-PROTEIN PHOSPHATASE
Hgig_24322LONGEVITY ASSURANCE FACTOR 1 LAG1
Hgig_24323
Hgig_24324
Hgig_24325
Hgig_24326PROTEIN DISULFIDE-ISOMERASE C17H9.14C-RELATED
Hgig_24327SERINE/THREONINE PROTEIN KINASE
Hgig_24328
Hgig_24329PLACENTAL PROTEIN 11-RELATED
Hgig_24330
Hgig_24331PROTEIN FARNESYLTRANSFERASE ALPHA SUBUNIT/RAB GERANYLGERANYL TRANSFERASE ALPHA SUBUNIT
Hgig_24332
Hgig_24333PROFILIN
Hgig_24334TYROSINE-PROTEIN PHOSPHATASE NON-RECEPTOR TYPE 11
Hgig_24335TYROSINE-PROTEIN PHOSPHATASE NON-RECEPTOR TYPE 11
Hgig_24336
Hgig_24337
Hgig_24338
Hgig_24339
Hgig_24340
Hgig_24341DUAL SPECIFICITY PROTEIN PHOSPHATASE 12 FAMILY MEMBER
Hgig_24342DUAL SPECIFICITY PROTEIN PHOSPHATASE
Hgig_24343
Hgig_24344C2H2 ZINC FINGER CGI-62-RELATED
Hgig_24345HETEROGENEOUS NUCLEAR RIBONUCLEOPROTEIN 1
Hgig_24346
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