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_01146
Hgig_01147HOMEOBOX PROTEIN NKX
Hgig_01148HOMEOBOX PROTEIN NKX
Hgig_01149
Hgig_01150
Hgig_01151REVERSE TRANSCRIPTASE DOMAIN-CONTAINING PROTEIN
Hgig_01152
Hgig_01153
Hgig_01154TRANSPOSON
Hgig_01155NUCLEAR PORE COMPLEX PROTEIN NUP155
Hgig_01156LOW-DENSITY LIPOPROTEIN RECEPTOR-RELATED
Hgig_01157
Hgig_01158LOW-DENSITY LIPOPROTEIN RECEPTOR-RELATED
Hgig_01159
Hgig_01160LOW-DENSITY LIPOPROTEIN RECEPTOR-RELATED
Hgig_01161LOW-DENSITY LIPOPROTEIN RECEPTOR-RELATED
Hgig_01162LOW-DENSITY LIPOPROTEIN RECEPTOR-RELATED
Hgig_01163LOW-DENSITY LIPOPROTEIN RECEPTOR-RELATED PROTEIN 2-RELATED
Hgig_01164
Hgig_01165
Hgig_01166LOW-DENSITY LIPOPROTEIN RECEPTOR-RELATED
Hgig_01167DEPHOSPHO-COA KINASE-RELATED
Hgig_01168SARCOMA ANTIGEN NY-SAR-95-RELATED
Hgig_01169
Hgig_01170UNCHARACTERIZED
Hgig_01171
Hgig_01172
Hgig_01173CADHERIN-87A
Hgig_01174ENDO-1,4-BETA-GLUCANASE
Hgig_01175ENDO-1,4-BETA-GLUCANASE
Hgig_01176UNCHARACTERIZED
Hgig_01177
Hgig_01178
Hgig_01179BETA-1,4-MANNOSYL-GLYCOPROTEIN BETA-1,4-N-ACETYLGLUCOSAMINYL-TRANSFERASE
Hgig_01180RECOMBINING BINDING PROTEIN SUPPRESSOR OF HAIRLESS
Hgig_01181RECOMBINING BINDING PROTEIN SUPPRESSOR OF HAIRLESS
Hgig_01182SPLICING FACTOR (PAD-1), PUTATIVE (AFU_ORTHOLOGUE AFUA_1G15810)-RELATED
Hgig_01183GROWTH FACTOR RECEPTOR-BOUND PROTEIN
Hgig_01184GROWTH FACTOR RECEPTOR-BOUND PROTEIN
Hgig_01185
Hgig_01186
Hgig_01187FRIEND OF GATA2-RELATED
Hgig_01188REVERSE TRANSCRIPTASE
Hgig_01189
Hgig_01190PROTEIN CBG27172
Hgig_01191ADRENERGIC RECEPTOR-RELATED G-PROTEIN COUPLED RECEPTOR
Hgig_01192NEUROTRANSMITTER GATED ION CHANNEL
Hgig_01193TRANSPOSABLE ELEMENT TC3 TRANSPOSASE-LIKE PROTEIN
Hgig_01194
Hgig_01195
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