Caenorhabditis elegans
E92409
Caenorhabditis elegans is a small, transparent roundworm widely used as a model organism in biology and genetics due to its simple anatomy, fully mapped cell lineage, and well-characterized nervous system.
Observed surface forms (1)
| Surface form | Occurrences |
|---|---|
| C. elegans | 1 |
Statements (86)
| Predicate | Object |
|---|---|
| instanceOf |
model organism
ⓘ
nematode species ⓘ |
| alternativeLarvalStage | dauer larva ⓘ |
| autosomeCount | 5 ⓘ |
| biosafetyLevel | BSL-1 ⓘ |
| bodyCavityType | pseudocoelomate ⓘ |
| bodyLengthAdult | about 1 millimeter ⓘ |
| bodyPlan | bilaterally symmetrical ⓘ |
| bodyWallMuscleCells | 95 in adult hermaphrodite ⓘ |
| cellCountAdultHermaphrodite | 959 somatic cells ⓘ |
| cellLineage | fully mapped ⓘ |
| chromosomeCount | 6 ⓘ |
| commonName |
Caenorhabditis elegans
self-linksurface differs
ⓘ
surface form:
C. elegans
|
| connectomeStatus | whole-animal wiring diagram mapped ⓘ |
| culturedOn | agar plates with E. coli lawn ⓘ |
| dauerInducedBy |
crowding
ⓘ
high temperature ⓘ limited food ⓘ |
| describedBy | Émile Maupas ⓘ |
| developmentalStages |
L1 larva
ⓘ
L2 larva ⓘ L3 larva ⓘ L4 larva ⓘ adult ⓘ egg ⓘ |
| developmentTimeEggToAdultAt20C | about 3 days ⓘ |
| domain |
Eukarya
ⓘ
surface form:
Eukaryota
|
| family | Rhabditidae ⓘ |
| feedingType | bacterivore ⓘ |
| geneCount | approximately 20000 protein-coding genes ⓘ |
| genomeSequenced | true ⓘ |
| genomeSequencingCompleted | 1998 ⓘ |
| genomeSizeBasePairs | approximately 100 million ⓘ |
| genus | Caenorhabditis ⓘ |
| habitat |
decaying organic matter
ⓘ
soil ⓘ |
| hasCuticle | collagenous cuticle ⓘ |
| hasOrganSystem |
digestive system
ⓘ
excretory system ⓘ muscular system ⓘ nervous system ⓘ reproductive system ⓘ |
| hasOrthologsWith | humans ⓘ |
| hermaphroditeChromosomes | XX ⓘ |
| kingdom | Animalia ⓘ |
| lifespanAt20C | about 2–3 weeks ⓘ |
| locomotionSubstrate |
agar surfaces
ⓘ
liquid media ⓘ |
| maleChromosomes | XO ⓘ |
| molting | four molts during development ⓘ |
| movementType | sinusoidal crawling or swimming ⓘ |
| nervousSystemNeuronCount | 302 neurons in adult hermaphrodite ⓘ |
| notableStrain | N2 Bristol ⓘ |
| optimalGrowthTemperature | around 20 °C ⓘ |
| oxygenRequirement | aerobic ⓘ |
| pathogenicToHumans | false ⓘ |
| percentageHumanGenesWithOrthologs | over 40 percent ⓘ |
| phylum | Nematoda ⓘ |
| referenceStrain | N2 Bristol ⓘ |
| reproductionType |
male-female sexual reproduction
ⓘ
mostly self-fertilizing hermaphrodite ⓘ |
| researchResourceCenter | Caenorhabditis Genetics Center ⓘ |
| RNAiDeliveryMethod |
feeding
ⓘ
injection ⓘ soaking ⓘ |
| RNAiSensitivity | highly susceptible to RNA interference ⓘ |
| sexChromosomeCount | 1 ⓘ |
| sexes |
hermaphrodite
ⓘ
male ⓘ |
| spaceBiologyUse | flown on space missions ⓘ |
| standardLabFood | Escherichia coli OP50 ⓘ |
| taxonRank | species ⓘ |
| temperatureRangeLabCulture | approximately 15–25 °C ⓘ |
| transgenesisMethod |
CRISPR-Cas9 genome editing
ⓘ
MosSCI single-copy insertion ⓘ microinjection of DNA into gonad ⓘ |
| transparency | body is optically transparent ⓘ |
| usedInResearchField |
aging research
ⓘ
behavioral genetics ⓘ cell death research ⓘ developmental biology ⓘ genetics ⓘ neurobiology ⓘ systems biology ⓘ toxicology ⓘ |
| yearDescribed | 1900 ⓘ |
Referenced by (5)
Full triples — surface form annotated when it differs from this entity's canonical label.
this entity surface form:
C. elegans