Weissella
Genus of bacteria
From Wikipedia, the free encyclopedia
Weissella[2] is a genus of gram-positive bacteria placed within the family Lactobacillaceae, formerly considered species of the Leuconostoc paramesenteroides group.[1] The morphology of Weissella species varies from spherical or lenticular cells to irregular rods.[citation needed] Several strains of Weissella cibaria and Weissella confusa have shown probiotic potential.[3] In particular, the cell-free culture supernatant of Weissella confusa shows a number of beneficial characteristics, such as antibacterial potential and anti-inflammatory efficiency.[4] However, several strains of W. confusa are opportunistic bacteria. A number of studies have been done on the safety of the bacterial species, indicating their probiotic potential.[5][6] The Senate Commission on Food Safety has validated the use of W. confusa in food.[7]
| Weissella | |
|---|---|
 | |
| Lesions of Weissella confusa in the mona monkey (hematoxylin and eosin stain): A) liver: portal triads with neutrophilic infiltration (x10); A1, presence of bacterial emboli inside the vein (arrow) (x40). B) acute pneumonia: edema, congestion, and leukocyte cells exudation in the pulmonary alveoli (x10). C) encephalitis: congestion and marginalized neutrophils in nervous vessels (x10) | |
Scientific classification  | |
| Domain: | Bacteria |
| Kingdom: | Bacillati |
| Phylum: | Bacillota |
| Class: | Bacilli |
| Order: | Lactobacillales |
| Family: | Lactobacillaceae |
| Genus: | Weissella Collins et al. 1994[1] |
| Type species | |
| Weissella viridescens (Niven and Evans 1957) Collins et al. 1994[1] | |
Species
The genus Weissella comprises the following species:[8]
- Weissella bombi Praet et al. 2015
- Weissella ceti Vela et al. 2011
- Weissella cibaria Björkroth et al. 2002
- Weissella coleopterorum Hyun et al. 2021
- Weissella confusa corrig. (Holzapfel and Kandler 1969) Collins et al. 1994
- Weissella diestrammenae Oh et al. 2013
- Weissella fangxianensis Xiang et al. 2023
- Weissella halotolerans (Kandler et al. 1983) Collins et al. 1994
- Weissella hellenica Collins et al. 1994
- Weissella kandleri (Holzapfel and van Wyk 1983) Collins et al. 1994
- Weissella koreensis Lee et al. 2002
- Weissella minor (Kandler et al. 1983) Collins et al. 1994
- Weissella muntiaci Lin et al. 2020
- Weissella oryzae Tohno et al. 2013
- Weissella paramesenteroides (Garvie 1967) Collins et al. 1994
- Weissella sagaensis Li et al. 2020
- Weissella soli Magnusson et al. 2002
- Weissella thailandensis Tanasupawat et al. 2000
- Weissella uvarum Nisiotou et al. 2014
- Weissella viridescens (Niven and Evans 1957) Collins et al. 1994
Phylogeny
The currently accepted (2021) taxonomy is based on the List of Prokaryotic names with Standing in Nomenclature[8] and the phylogeny is based on whole-genome sequences.[9]
| |||||||||||||||||||||||||||||||||||||||||||||||||||||||
