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Literature DB >> 7377772

Resistance and recovery studies on ultraviolet-irradiated spores of Bacillus pumilus.

Abstract

A spore suspension model and a procedure for recovering ultraviolet (UV)-irradiated spores of Bacillus pumilus were investigated. A most-probable-number tube dilution method using double-strength Trypticase soy broth was found to be superior to the agar plate method for recovering optimal numbers of spores irradiated with sublethal doses of UV energy. Aqueous suspensions of B. pumilus survived UV doses up to 108,000 ergs/mm2 as determined by a most-probable-number recovery and estimation procedure. Resistance and stability data were consistent and reproducible, indicating the dependability of this method for recovering UV-damaged spores. The procedures used to collect information concerning resistance characteristics for two strains of B. pumilus are discussed.

Entities: Chemical Species

Mesh：

Substances：
Culture Media

Year: 1980 PMID： 7377772 PMCID： PMC291406 DOI： 10.1128/aem.39.4.695-701.1980

Source DB: PubMed Journal: Appl Environ Microbiol ISSN： 0099-2240 Impact factor: 4.792

8 in total

2 in total

1. Resistance of selected strains of Pseudomonas aeruginosa to low-intensity ultraviolet radiation.

Authors: R L Abshire; H Dunton
Journal: Appl Environ Microbiol Date: 1981-06 Impact factor: 4.792

2. High stringency evaluation of the inactivation / exclusion efficacy of a MALDI-TOF MS chemical extraction method, with filtration of extract through 0.1 µm filters, on Bacillus anthracis Vollum vegetative cells and spores.

Authors: Simon A Weller; Jennie Latham
Journal: PLoS One Date: 2017-05-08 Impact factor: 3.240

2 in total

Resistance and recovery studies on ultraviolet-irradiated spores of Bacillus pumilus.

1. INACTIVATION OF DRIED BACTERIA AND BACTERIAL SPORES BY MEANS OF IONIZING RADIATION.

2. GAMMA IRRADIATION OF BACILLUS SUBTILIS SPORES IN THE PRESENCE OF SUGARS.

3. Relative resistances of micro-organisms to cathode rays. III. Bacterial spores.

4. The Importance of Enrichments in the Cultivation of Bacterial Spores Previously Exposed to Lethal Agencies.

5. RECOVERY FROM ULTRAVIOLET IRRADIATION IN ESCHERICHIA COLI.

6. Factors which Influence the Growth of Heat-treated Bacteria: I. A Comparison of Four Agar Media.

7. Effects of continuous and interrupted radiation on microorganisms.

8. Thymine Photoproducts but not Thymine Dimers Found in Ultraviolet-Irradiated Bacterial Spores.

1. Resistance of selected strains of Pseudomonas aeruginosa to low-intensity ultraviolet radiation.

2. High stringency evaluation of the inactivation / exclusion efficacy of a MALDI-TOF MS chemical extraction method, with filtration of extract through 0.1 µm filters, on Bacillus anthracis Vollum vegetative cells and spores.