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_00296GOLGIN- RELATED
Hgig_00297
Hgig_00298
Hgig_00299
Hgig_00300
Hgig_00301TRANSPOSABLE ELEMENT TC3 TRANSPOSASE-LIKE PROTEIN
Hgig_00302ANKYRIN REPEAT AND LEM DOMAIN-CONTAINING PROTEIN 2
Hgig_00303
Hgig_00304SODIUM/CHLORIDE DEPENDENT TRANSPORTER
Hgig_00305N-MYC DOWNSTREAM REGULATED
Hgig_00306
Hgig_00307
Hgig_00308TRANSCRIPTASE, PUTATIVE-RELATED-RELATED
Hgig_00309RAC GTPASE-ACTIVATING PROTEIN 1
Hgig_00310RAC GTPASE-ACTIVATING PROTEIN 1
Hgig_00311NUDIX HYDROLASE RELATED
Hgig_00312SYNDROMES PUTATIVE CHAPERONIN-RELATED
Hgig_00313TRANSPOSASE-RELATED
Hgig_00314DNA HELICASE RECQ FAMILY MEMBER
Hgig_00315INOSINE TRIPHOSPHATE PYROPHOSPHATASE/HAM1 PROTEIN
Hgig_00316RIBOSOMAL PROTEIN L5-RELATED
Hgig_00317SERINE/ARGININE REPETITIVE MATRIX PROTEIN 5-RELATED
Hgig_00318
Hgig_00319COLLAGEN
Hgig_00320SOLUTE CARRIER FAMILY 17
Hgig_00321SOLUTE CARRIER FAMILY 17
Hgig_00322
Hgig_00323
Hgig_00324
Hgig_00325MITOCHONDRIAL ATP SYNTHASE COUPLING FACTOR B
Hgig_00326SCP160
Hgig_00327SCP160
Hgig_00328
Hgig_00329
Hgig_00330COPINE
Hgig_00331NEUROTRANSMITTER GATED ION CHANNEL
Hgig_00332IKB KINASE
Hgig_00333IKB KINASE
Hgig_00334
Hgig_00335
Hgig_00336
Hgig_00337
Hgig_00338RNA-BINDING PROTEIN RELATED
Hgig_00339
Hgig_00340BRCA2 AND CDKN1A INTERACTING PROTEIN
Hgig_00341
Hgig_00342UNCHARACTERIZED PROTEASOME COMPONENT REGION PCI-CONTAINING
Hgig_00343BRCA2 AND CDKN1A INTERACTING PROTEIN
Hgig_00344
Hgig_00345
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