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sp. nov., and sp. nov., isolated from watermelon in Florida.
Int J Syst Evol Microbiol
December 2024
Department of Plant Pathology, University of Florida, Gainesville, FL, USA.
Three fluorescent bacterial strains, K1, K13 and K18, were obtained from watermelon () foliage symptomatic of bacterial leaf spot of cucurbits in Florida. The strains underwent phenotypic characterization, including LOPAT (levan production, oxidase activity, pectolytic activity on potato, arginine dihydrolase production and hypersensitive response (HR) on both tobacco and tomato) and pathogenicity testing on watermelon and squash seedlings. Whole-genome sequencing of the isolates was performed, and multi-locus sequence analysis (MLSA) utilizing housekeeping genes , , and placed the isolates into two distinct clades within the genus.
View Article and Find Full Text PDFConstruction and Validation of a Nomogram to Identify the Risk of Cavitation in Pulmonary Tuberculosis.
Infect Drug Resist
July 2024
Department of Infectious Diseases, Jiashan County First People's Hospital, Jiashan, Zhejiang, 314100, People's Republic of China.
Background: The present study aimed to construct and validate a nomogram based on clinical metrics to identify CPTB.
Patients And Methods: The present study retrospectively recruited pulmonary tuberculosis (PTB) patients admitted to Jiashan County First People's Hospital in China from November 2018 to September 2023. PTB patients were classified into the CPTB group and the non-CPTB group based on chest computed tomography findings, and were randomly allocated to the training set (70%) and the validation cohort (30%).
Genomic characterization and radiation tolerance of Naganishia kalamii sp. nov. and Cystobasidium onofrii sp. nov. from Mars 2020 mission assembly facilities.
IMA Fungus
August 2023
NASA-Jet Propulsion Laboratory, Biotechnology and Planetary Protection Group, California Institute of Technology, M/S 245-104, 4800 Oak Grove Dr., Pasadena, CA, 91109, USA.
Article Synopsis
- During the Mars 2020 mission assembly, researchers isolated fungal strains, specifically two novel yeast strains, which were identified using a combination of traditional methods and advanced phylogenetic techniques.* -
- The yeast strain FJI-L2-BK-P3 was categorized in the Naganishia albida clade, while strain FKI-L6-BK-PAB1 was placed in the Cystobasidium genus, both representing new species names proposed for them.* -
- Phylogenetic analysis showed that more comprehensive methods like multi-locus sequence analysis and whole genome sequencing were more effective for species classification, revealing that both yeasts have genes related to stress tolerance and responses to extreme conditions.*
Identification and characterization of opportunistic pathogen causing potato blackleg in China.
Front Plant Sci
March 2023
College of Plant Protection, Hebei Agricultural University, Baoding, China.
Blackleg and aerial stem rot of potato ( L.), caused by soft rot enterobacteria of the genera and , has recently increased years in Hebei Province, China. Field surveys were performed during the 2021 potato growing season in Hebei to identify and characterize bacterial pathogens.
View Article and Find Full Text PDFInsights into the Biocontrol Function of a Burkholderia gladioli Strain against Botrytis cinerea.
Microbiol Spectr
March 2023
State Key Laboratory for Biology of Plant Diseases and Insect Pests, Institute of Plant Protection, Chinese Academy of Agricultural Sciences, Beijing, China.
Pathogenic fungi are the main cause of yield loss and postharvest loss of crops. In recent years, some antifungal microorganisms have been exploited and applied to prevent and control pathogenic fungi. In this study, an antagonistic bacteria KRS027 isolated from the soil rhizosphere of a healthy cotton plant from an infected field was identified as Burkholderia gladioli by morphological identification, multilocus sequence analysis, and typing (MLSA-MLST) and physiobiochemical examinations.
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