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_08897ECTONUCLEOTIDE PYROPHOSPHATASE/PHOSPHODIESTERASE
Hgig_08898
Hgig_08899TETRATRICOPEPTIDE REPEAT PROTEIN
Hgig_08900SULFOTRANSFERASE SULT
Hgig_08901MAKORIN-RELATED
Hgig_08902UNCHARACTERIZED
Hgig_08903RENIN RECEPTOR
Hgig_08904GLYCOGEN PHOSPHORYLASE
Hgig_08905
Hgig_08906PROTEIN KINASE DOMAIN-CONTAINING PROTEIN-RELATED
Hgig_08907
Hgig_08908DDB1- AND CUL4-ASSOCIATED FACTOR 15
Hgig_08909
Hgig_08910NETRIN/LAMININ-RELATED
Hgig_08911KRUEPPEL-LIKE TRANSCRIPTION FACTOR
Hgig_08912KRUEPPEL-LIKE TRANSCRIPTION FACTOR
Hgig_08913METHYLTRANSFERASE-LIKE PROTEIN 24
Hgig_08914
Hgig_08915
Hgig_08916RAS-RELATED PROTEIN RAB
Hgig_08917
Hgig_08918
Hgig_08919SERINE/ARGININE REGULATED NUCLEAR MATRIX PROTEIN
Hgig_08920
Hgig_08921GLYCOPROTEIN HORMONE RECEPTOR
Hgig_08922DISCOIDIN, CUB, EGF, LAMININ , AND ZINC METALLOPROTEASE DOMAIN CONTAINING
Hgig_08923
Hgig_08924OVOCHYMASE-RELATED
Hgig_08925DISCOIDIN, CUB, EGF, LAMININ , AND ZINC METALLOPROTEASE DOMAIN CONTAINING
Hgig_08926
Hgig_08927N-FATTY-ACYL-AMINO ACID SYNTHASE/HYDROLASE PM20D1
Hgig_08928TELOMERE LENGTH AND SILENCING PROTEIN 1 TLS1 FAMILY MEMBER
Hgig_08929OSJNBA0013A04.12 PROTEIN
Hgig_08930
Hgig_08931
Hgig_08932REGULATOR OF G-PROTEIN SIGNALING 3
Hgig_08933UNCHARACTERIZED
Hgig_08934
Hgig_08935UBX DOMAIN CONTAINING PROTEIN
Hgig_08936TELOMERE LENGTH AND SILENCING PROTEIN 1 TLS1 FAMILY MEMBER
Hgig_08937GLYCOSYLTRANSFERASE
Hgig_08938
Hgig_08939N-FATTY-ACYL-AMINO ACID SYNTHASE/HYDROLASE PM20D1
Hgig_08940
Hgig_08941REVERSE TRANSCRIPTASE
Hgig_08942
Hgig_08943SERINE/THREONINE PROTEIN KINASE
Hgig_08944
Hgig_08945SERINE/THREONINE PROTEIN KINASE
Hgig_08946
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