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_18997BARDET-BIEDL SYNDROME PROTEIN 5
Hgig_18998
Hgig_18999
Hgig_19000ODD-SKIPPED - RELATED
Hgig_19001
Hgig_19002YEAST SPT2-RELATED
Hgig_19003
Hgig_19004
Hgig_19005
Hgig_19006
Hgig_19007
Hgig_19008
Hgig_19009
Hgig_19010
Hgig_19011STERILE20-LIKE KINASE, ISOFORM B-RELATED
Hgig_19012
Hgig_19013FLAVIN REDUCTASE (NADPH)
Hgig_19014PROKARYOTIC DNA TOPOISOMERASE
Hgig_19015SODIUM/CHLORIDE DEPENDENT TRANSPORTER
Hgig_19016RETROVIRUS-RELATED POL POLYPROTEIN FROM TRANSPOSON 412-LIKE PROTEIN-RELATED
Hgig_19017
Hgig_19018MONOACYLGLYCEROL LIPASE
Hgig_19019SKP1
Hgig_19020
Hgig_19021COMPLEMENT FACTOR H-RELATED
Hgig_19022AGAP001705-PA
Hgig_19023DNAJ HOMOLOG SUBFAMILY C MEMBER 4
Hgig_19024IG(IMMUNOGLOBULIN) AND LRR(LEUCINE RICH REPEAT) DOMAINS
Hgig_19025
Hgig_19026
Hgig_19027
Hgig_19028
Hgig_19029ZINC FINGER BED DOMAIN-CONTAINING PROTEIN 4
Hgig_19030
Hgig_19031
Hgig_19032PROTEIN O-LINKED-MANNOSE BETA-1,2-N-ACETYLGLUCOSAMINYLTRANSFERASE 1
Hgig_19033
Hgig_19034ACROSIN-RELATED
Hgig_19035
Hgig_19036TRYPSIN-RELATED
Hgig_19037-
Hgig_19038
Hgig_19039
Hgig_19040TRYPSIN-RELATED
Hgig_19041TRYPSIN-RELATED
Hgig_19042SURFEIT LOCUS PROTEIN
Hgig_19043
Hgig_19044SMALL NUCLEAR RIBONUCLEOPROTEIN-ASSOCIATED PROTEIN B AND N
Hgig_1904528 KDA HEAT- AND ACID-STABLE PHOSPHOPROTEIN PDGF-ASSOCIATED PROTEIN
Hgig_19046TRANSPOSON TY3-I GAG-POL POLYPROTEIN
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