|Etymology:||Genus name: The coccus of the bee.|
Species epithet: named after the god Pluto in Roman mythology.
|Significance:||The disease occurs almost world wide, but is rarely reported from Sweden.
[Of minor importance]
|Alternative Species Name(s):||Melissococcus pluton|
|Type Strain:||ATCC 35311|
||It produces small, white, shiny and well-defined colonies|
||Non-motile cocci in pairs or chains.|
|Gram +/Gram -:||G+|
|Biochemical Tests:||Citrate -|
|Fermentation of carbohydrates:||
|Spec. Char.:||Optimal growth temperature: 35°C.|
||Cultivated under anaerobic conditions on basal medium agar.|
|Disease:||European Foulbrood of honeybees.
|Hosts:||Honey bee (Apis mellifera)|
|Clinical Picture:||The bacteria attacks the young larvae in the open cells. You will find 3-4 days old larvae moved from the cells, as well as dead, limp and brown larvae.|
|16S rRNA Seq.:|
||Only one species (M. plutonius) has been described in genus Melissococcus and this genus is closely related genus Enterococcus. Thus, these genera are affiliated to the order Lactobacillales.|
|Legislation:||The disease is not covered by the bee disease law in Sweden.|
|Comment:||The disease is not as serious as American foulbrood (see Paenibacillus larvae).|
|Reference(s):||No. 84, 97|
|Link:||En översyn av lagstiftningen om bisjukdomar.|
|New names of taxa within the classification category phylum|
During October 2021, an article was published by A. Oren och G.M. Garrity, in which new names are proposed for a number of taxa within the classification category phylum. This has resulted in many discussions in social media about whether it was really necessary to make these changes, which have created confusion among microbiologists and other professionals who come into contact with bacteriology.Published 2022-09-28. Read more...