About Osedax fenrisi

Osedax fenrisi is a species of bone-eating worm in the family Siboglinidae, discovered on a whale carcass in the deep sea near Antarctica. This species is adapted to extreme environments, feeding on the lipids within whale bones through root-like structures that penetrate the bone. It relies on symbiotic bacteria housed in these root structures to metabolize the organic material. Named after the Norse god Fenrir, this species highlights the unique adaptations of deep-sea organisms to nutrient-limited habitats.


Basic Information
SpeciesPhylumCommon NameEcosystemDepthHabitatNCBI Taxonomy ID
Osedax fenrisiAnnelida-Hydrothermal vent2,316Aegirs Kilde Hydrothermal vent area, Arctic Mid-Oceanic Ridge2741452

Genome Assembly Information
Genome AssemblyGenome SizeAssembly levelReleased yearWGS accessionSubmitterBioProjectBUSCO completenessGene Number
wsOseFenr1.1699.1MbChromosome2024CAXHSG01WELLCOME SANGER INSTITUTEPRJEB74226-19,023

Gene Information

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Gene IDDescription
ENSTGOP00000016111.1TRANSGELIN
ENSTGOP00000016112.1UNCHARACTERIZED
ENSTGOP00000016113.1WASH COMPLEX SUBUNIT 4
ENSTGOP00000016114.1VACUOLAR ATP SYNTHASE SUBUNIT F
ENSTGOP00000016115.1GDP-D-GLUCOSE PHOSPHORYLASE 1
ENSTGOP00000016116.1DNAJ HOMOLOG SUBFAMILY C MEMBER 25
ENSTGOP00000016118.1
ENSTGOP00000016119.1RHO/RAC/CDC GTPASE-ACTIVATING PROTEIN
ENSTGOP00000016120.1POTASSIUM VOLTAGE-GATED CHANNEL SUBFAMILY KQT MEMBER 4
ENSTGOP00000016121.1CYTOCHROME C OXIDASE POLYPEPTIDE VIC-2
ENSTGOP00000016123.1DNA-DIRECTED RNA POLYMERASE II, III
ENSTGOP00000016124.1DNAJ HOMOLOG SUBFAMILY C MEMBER 25
ENSTGOP00000016126.1BETA-1,4-GALACTOSYLTRANSFERASE
ENSTGOP00000016127.1IMPORTIN-7, 8, 11
ENSTGOP00000016129.1
ENSTGOP00000016130.1DIHYDROLIPOAMIDE ACETYL/SUCCINYL-TRANSFERASE-RELATED
ENSTGOP00000016131.1BETA-1,4-GALACTOSYLTRANSFERASE
ENSTGOP00000016132.1ARMADILLO REPEAT-CONTAINING PROTEIN 3
ENSTGOP00000016133.1DNA-DIRECTED RNA POLYMERASE II, III
ENSTGOP00000016134.1
ENSTGOP00000016135.1NUCLEAR PORE COMPLEX PROTEIN NUP205
ENSTGOP00000016136.1SCP160
ENSTGOP00000016137.1SHORT-CHAIN DEHYDROGENASE/REDUCTASE
ENSTGOP00000016138.1MITOCHONDRIAL DICARBOXYLATE CARRIER-RELATED
ENSTGOP00000016139.1IMPORTIN-7, 8, 11
ENSTGOP00000016141.1DNA-DIRECTED RNA POLYMERASE II, III
ENSTGOP00000016142.1
ENSTGOP00000016143.1MITOCHONDRIAL DICARBOXYLATE CARRIER-RELATED
ENSTGOP00000016144.1HEAT SHOCK PROTEIN HSP-12.2-RELATED
ENSTGOP00000016145.1RHOMBOID-RELATED PROTEIN
ENSTGOP00000016146.1DNAJ HOMOLOG SUBFAMILY C MEMBER 25
ENSTGOP00000016147.1
ENSTGOP00000016148.1FORMIN-LIKE PROTEIN
ENSTGOP00000016150.1HEAT SHOCK PROTEIN HSP-12.2-RELATED
ENSTGOP00000016151.1RAN GTPASE
ENSTGOP00000016152.1EUKARYOTIC TRANSLATION INITATION FACTOR 3, SUBUNIT 8 EIF3S8 -RELATED
ENSTGOP00000016153.1
ENSTGOP00000016154.1
ENSTGOP00000016155.1IMPORTIN-7, 8, 11
ENSTGOP00000016156.1
ENSTGOP00000016158.1
ENSTGOP00000016159.1UBIQUITIN
ENSTGOP00000016160.1SERINE PROTEASE FAMILY S10 SERINE CARBOXYPEPTIDASE
ENSTGOP00000016162.1
ENSTGOP00000016163.1ZINC FINGER PROTEIN
ENSTGOP00000016164.1CADHERIN-87A
ENSTGOP00000016166.1RAN GTPASE
ENSTGOP00000016167.1METHYLMALONYL-COA MUTASE
ENSTGOP00000016168.1
ENSTGOP00000016169.1IMPORTIN-7, 8, 11
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