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_04196REVERSE TRANSCRIPTASE DOMAIN-CONTAINING PROTEIN
Hgig_04197
Hgig_04198
Hgig_04199SI:CH211-262H13.3-RELATED-RELATED
Hgig_04200
Hgig_04201REVERSE TRANSCRIPTASE DOMAIN-CONTAINING PROTEIN
Hgig_04202
Hgig_04203
Hgig_04204
Hgig_04205COLLAGEN ALPHA
Hgig_04206
Hgig_04207
Hgig_04208SERINE/THREONINE-PROTEIN KINASE
Hgig_04209ENDONUCLEASE
Hgig_0421060S RIBOSOMAL PROTEIN L24
Hgig_04211CASEIN KINASE II SUBUNIT ALPHA
Hgig_04212B2 BRADYKININ RECEPTOR/ANGIOTENSIN II RECEPTOR
Hgig_04213B2 BRADYKININ RECEPTOR/ANGIOTENSIN II RECEPTOR
Hgig_04214REVERSE TRANSCRIPTASE DOMAIN-CONTAINING PROTEIN
Hgig_0421514-3-3 PROTEIN
Hgig_04216MALARIA ANTIGEN-RELATED
Hgig_04217
Hgig_04218PEROXISOMAL MEMBRANE PROTEIN 2, PXMP2 MPV17
Hgig_04219
Hgig_04220
Hgig_04221AMINO ACID TRANSPORTER
Hgig_04222
Hgig_04223PROTEIN CBG27172
Hgig_04224
Hgig_04225ATAXIN 2-BINDING PROTEIN 1-RELATED
Hgig_04226
Hgig_04227-
Hgig_04228NUCLEOTIDE KINASE
Hgig_04229FATTY ACID ACYL TRANSFERASE-RELATED
Hgig_04230
Hgig_04231CENTROCORTIN FAMILY MEMBER
Hgig_04232
Hgig_04233
Hgig_04234
Hgig_04235BIOTINIDASE-RELATED
Hgig_04236
Hgig_042374-NITROPHENYLPHOSPHATASE-RELATED
Hgig_04238
Hgig_04239
Hgig_04240
Hgig_04241
Hgig_04242
Hgig_04243ZINC FINGER PROTEIN
Hgig_04244
Hgig_04245BCDNA.LD26519-RELATED
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