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_08347
Hgig_08348
Hgig_08349
Hgig_08350HUNTINGTON DISEASE PROTEIN
Hgig_08351HUNTINGTON DISEASE PROTEIN
Hgig_08352FYVE-FINGER-CONTAINING RAB5 EFFECTOR PROTEIN RABENOSYN-5-RELATED
Hgig_08353GLUCOSE-METHANOL-CHOLINE GMC OXIDOREDUCTASE
Hgig_08354SNRNA-ACTIVATING PROTEIN COMPLEX SUBUNIT 3
Hgig_08355REVERSE TRANSCRIPTASES
Hgig_08356
Hgig_08357
Hgig_08358
Hgig_08359HISTONE H1
Hgig_08360HISTONE H1
Hgig_08361
Hgig_08362PROTEIN AD-016-RELATED
Hgig_0836360S RIBOSOMAL PROTEIN L36A/L44
Hgig_08364GPI MANNOSYLTRANSFERASE 2
Hgig_08365THIOREDOXIN DOMAIN-CONTAINING PROTEIN 9
Hgig_08366HEPARAN SULFATE 2-O-SULFOTRANSFERASE
Hgig_08367TRANSPOSABLE ELEMENT TC3 TRANSPOSASE-LIKE PROTEIN
Hgig_08368N-ACETYLGLUCOSAMINE-6-PHOSPHATE DEACETYLASE
Hgig_08369POL PROTEIN
Hgig_08370
Hgig_08371
Hgig_08372PR DOMAIN ZINC FINGER PROTEIN
Hgig_08373PROBABLE PHOSPHOLIPID-TRANSPORTING ATPASE
Hgig_08374PROBABLE PHOSPHOLIPID-TRANSPORTING ATPASE
Hgig_08375PROBABLE PHOSPHOLIPID-TRANSPORTING ATPASE
Hgig_08376
Hgig_08377TRANSPOSON
Hgig_08378TRANSPOSON
Hgig_08379
Hgig_08380
Hgig_08381
Hgig_08382RETICULOPHAGY REGULATOR 3
Hgig_08383SET AND MYND DOMAIN-CONTAINING PROTEIN 4
Hgig_08384LANC-LIKE PROTEIN
Hgig_08385
Hgig_08386
Hgig_08387ENDONUCLEASE-RELATED
Hgig_08388MEDIATOR OF RNA POLYMERASE II TRANSCRIPTION, SUBUNIT 18
Hgig_08389MEDIATOR OF RNA POLYMERASE II TRANSCRIPTION, SUBUNIT 18
Hgig_08390RNA HELICASE
Hgig_08391NON-LTR RETROLELEMENT REVERSE TRANSCRIPTASE-LIKE PROTEIN-RELATED
Hgig_08392BETA-1,4-GLUCURONYLTRANSFERASE 1
Hgig_08393BETA-1,4-GLUCURONYLTRANSFERASE 1
Hgig_08394FORKHEAD BOX PROTEIN
Hgig_08395
Hgig_08396
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