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_00046
Hgig_00047
Hgig_00048CHARGED MULTIVESICULAR BODY PROTEIN
Hgig_00049
Hgig_00050
Hgig_00051
Hgig_00052SOX TRANSCRIPTION FACTOR
Hgig_00053RAS-RELATED GTP BINDING RAG/GTR YEAST
Hgig_00054REVERSE TRANSCRIPTASE
Hgig_00055
Hgig_00056AFADIN
Hgig_00057
Hgig_00058AFADIN
Hgig_00059AFADIN
Hgig_00060AFADIN
Hgig_00061VESICLE-TRAFFICKING PROTEIN SEC22B
Hgig_00062LEO1 PROTEIN
Hgig_00063
Hgig_00064
Hgig_00065EH DOMAIN
Hgig_00066EH DOMAIN
Hgig_00067REVERSE TRANSCRIPTASE
Hgig_00068
Hgig_00069
Hgig_00070ABC TRANSPORTER B FAMILY
Hgig_00071ATP-BINDING CASSETTE SUB-FAMILY B
Hgig_00072SODIUM-BILE ACID COTRANSPORTER
Hgig_00073DEHYDROGENASES, SHORT CHAIN
Hgig_00074DEHYDROGENASES, SHORT CHAIN
Hgig_00075
Hgig_00076UNCHARACTERIZED
Hgig_00077
Hgig_00078
Hgig_00079DEFECTIVE PROBOSCIS EXTENSION RESPONSE DPR -RELATED
Hgig_00080
Hgig_00081DEFECTIVE PROBOSCIS EXTENSION RESPONSE DPR -RELATED
Hgig_00082NEPHRIN
Hgig_00083NEPHRIN
Hgig_00084UNCHARACTERIZED
Hgig_00085ATP SYNTHASE DELTA/EPSILON CHAIN
Hgig_00086DET1 HOMOLOG DE-ETIOLATED-1 HOMOLOG
Hgig_00087
Hgig_00088
Hgig_00089-
Hgig_00090
Hgig_00091
Hgig_00092UBIQUITINATION FACTOR E4
Hgig_00093
Hgig_00094
Hgig_00095UBIQUITINATION FACTOR E4
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