Euphorbia helioscopia a Putative Plant Reservoir of Pathogenic Curtobacterium flaccumfaciens.
Journal
Current microbiology
ISSN: 1432-0991
Titre abrégé: Curr Microbiol
Pays: United States
ID NLM: 7808448
Informations de publication
Date de publication:
29 Mar 2023
29 Mar 2023
Historique:
received:
11
11
2022
accepted:
14
03
2023
medline:
31
3
2023
entrez:
29
3
2023
pubmed:
30
3
2023
Statut:
epublish
Résumé
The endophyte EHF3 strain was isolated in Algeria from an Euphorbia helioscopia plant growing in a fallow field. The strain was characterized by biochemical and physiological tests and assayed for the production of secondary metabolites involved in biocontrol, for plant growth promotion ability and for pathogenicity. The strain was identified by BIOLOG test as Curtobacterium flaccumfaciens. Biochemical and physiological characterization revealed that the strain was able to secrete protease, caseinase and amylase enzymes, to grow up to 37 °C and at pH values 5 to 9. C. flaccumfaciens EHF3 strain was incapable of solubilizing phosphorus and to produce IAA, HCN siderophores and phenazine compounds. The strain showed a moderate swimming and swarming motility and produced biofilm. EHF3 strain was positive at the hypersensitivity test on tobacco plants and induced symptoms on three varieties of bean resembling to those of the bacterial wilt disease induced by C. flaccumfaciens pv. flaccumfaciens. The preliminary data reported in this study, regarding the detection of a pathogenic C. flaccumfaciens strain, as endophyte of a E. helioscopia plant, highlight the role of non-host plants as reservoir of this bacterial pathogen.
Identifiants
pubmed: 36988726
doi: 10.1007/s00284-023-03271-7
pii: 10.1007/s00284-023-03271-7
doi:
Types de publication
Journal Article
Langues
eng
Sous-ensembles de citation
IM
Pagination
154Informations de copyright
© 2023. The Author(s), under exclusive licence to Springer Science+Business Media, LLC, part of Springer Nature.
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