Buchnera
E930652
Buchnera is a genus of obligate endosymbiotic bacteria that live inside aphids, providing them with essential nutrients in a long-term mutualistic relationship.
Statements (48)
| Predicate | Object |
|---|---|
| instanceOf |
bacteria
ⓘ
endosymbiont ⓘ genus ⓘ |
| associatedWith | phloem-feeding insects ⓘ |
| cannotLiveOutsideHost | true ⓘ |
| cellLocationInHost |
cytoplasm of specialized aphid cells
ⓘ
within aphid bacteriocytes ⓘ |
| cellShape | rod-shaped ⓘ |
| cellWall | reduced peptidoglycan layer ⓘ |
| coSpeciationWith | aphids ⓘ |
| culturedInVitro | no ⓘ |
| discoveredIn | 20th century ⓘ |
| domain | Bacteria ⓘ |
| evolutionaryRelationship | long-term coevolution with aphids ⓘ |
| foundIn | many aphid lineages worldwide ⓘ |
| genomeCharacteristic |
AT-rich genome
ⓘ
loss of many metabolic genes ⓘ |
| genomeEvolution |
accelerated sequence evolution
ⓘ
genome reduction due to long-term symbiosis ⓘ |
| genomeSize | highly reduced genome ⓘ |
| gramStain | Gram-negative ⓘ |
| habitat | bacteriocytes of aphids ⓘ |
| host | aphids ⓘ |
| hostDependency | aphids depend on Buchnera for survival on phloem sap ⓘ |
| hostRange | Aphidoidea NERFINISHED ⓘ |
| impactOnHostFitness | essential for normal aphid growth and reproduction ⓘ |
| lifestyle | obligate endosymbiont ⓘ |
| localizationStructure | resides in symbiosomal membranes within aphid cells ⓘ |
| metabolicCapability | biosynthesis of essential amino acids lacking in aphid diet ⓘ |
| namedAfter | Paul Buchner NERFINISHED ⓘ |
| nutrientExchange |
receives energy and metabolites from aphid host
ⓘ
supplies essential nutrients to aphid host ⓘ |
| nutritionalRole |
provision of essential amino acids to aphids
ⓘ
provision of vitamins to aphids ⓘ |
| oxygenRequirement | facultative anaerobe or microaerophilic ⓘ |
| parentTaxon |
Enterobacteriaceae
NERFINISHED
ⓘ
Gammaproteobacteria NERFINISHED ⓘ |
| relationshipToHostDiet | compensates for aphid phloem-sap nutrient deficiencies GENERATED ⓘ |
| reproduction | binary fission within host cells ⓘ |
| researchUse |
model for genome reduction
ⓘ
model system for endosymbiosis ⓘ |
| studyMethod | genome sequencing from aphid tissues ⓘ |
| symbiontDependency | Buchnera depends on aphid host for survival NERFINISHED ⓘ |
| symbiosisStability | obligate and ancient association ⓘ |
| symbiosisType | mutualism ⓘ |
| taxonRank | genus ⓘ |
| transmission | vertical transmission ⓘ |
| transmissionRoute | maternal inheritance ⓘ |
Referenced by (1)
Full triples — surface form annotated when it differs from this entity's canonical label.