Results 161 to 170 of about 9,100 (219)

Photo-inactivation of Bacillus endospores: inter-specific variability of inactivation efficiency

open access: yesMicrobiology and Immunology, 2012
The aims of this work were to (a) evaluate the susceptibility of endospores of Bacillus cereus, B. licheniformis, B. sphaericus and B. subtilis to photodynamic inactivation using a tricationic porphyrin as photosensitizer, (b) assess the efficiency of ...
José A.S. Cavaleiro   +2 more
exaly   +2 more sources

Inactivation of bacterial endospores by photocatalytic nanocomposites

open access: yesColloids and Surfaces B: Biointerfaces, 2005
A novel biocidal photocatalytic nanocomposite, composed of TiO(2) and multi-walled carbon nanotubes (MWNTs), was synthesized via wet chemistry followed by a heat treatment. Uniform anatase coatings on MWNTs were successfully obtained with a thickness of a few nanometers.
Wolfgang Sigmund, Brij M Moudgil
exaly   +4 more sources

Flower-Shaped PCR Scaffold-Based Lateral Flow Bioassay for Bacillus cereus Endospores Detection

open access: yesInternational Journal of Molecular Sciences
Bacillus cereus, a foodborne pathogen, produces resilient endospores that are challenging to detect with conventional methods. This study presents a novel Flower-Shaped PCR Scaffold-based Lateral Flow Biosensor (FSPCRS-LFB), which employs an aptamer ...
Yaning Shi, Zhi-Hong Xin, Jingjing Tian
exaly   +2 more sources
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Clostridial endospore attachment

Proceedings, annual meeting, Electron Microscopy Society of America, 1994
Bacteria from the genus Clostridia, are responsible for such diseases as gas gangrene, wound infections, botulism, tetanus, pseudomembranous colitis, septicemia and nosocomial diarrhea. These anaerobic spores pose a special threat to man because they are ubiquitous, very difficult to kill, and tenaceously grow when conditions are right.
B. J. Panessa-Warren   +2 more
openaire   +1 more source

Roles of Bacillus endospores in the environment

Cellular and Molecular Life Sciences CMLS, 2002
The occurrence and diverse roles of Bacillus spp. and their endospores in the environment is reviewed, with particular emphasis on soil ecology, host-symbiont and host-parasite interactions, and human exploitation of spores as biological control agents and probiotics.
openaire   +2 more sources

GERMINATION OF BACTERIAL ENDOSPORES WITH SUBTILOPEPTIDASES

Canadian Journal of Microbiology, 1967
Intact spores of Bacillus subtilis are susceptible to subtilopeptidase attack and this enzymatic reaction induces changes in the spore similar to those that take place during "physiological" germination. Germination occurred between pH 5.5 and 10.0 showing a pH optimum of 9.0 and between 25 °C and 45 °C with an optimum of 37–40°.
openaire   +2 more sources

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