Results 221 to 230 of about 16,123 (248)
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Legionnaires’ Disease Bacterium: A Non-endospore-former
American Journal of Clinical Pathology, 1980This investigation was done to determine whether dipicolinic acid was present in the Legionnaires' disease bacterium. A colorimetric assay for dipicolinic acid was done and the results for the bacterium were compared with those obtained for Escherichia coli and Bacillus subtilis. Dipicolinic acid was not detected in the Legionnaires' disease bacterium.
D L, Smalley, D D, Ourth, C G, Hollis
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Early Events During Bacterial Endospore Formation
1980Publisher Summary This chapter has considered sporulation mainly as a problem in the regulation of a complex sequence of events. Until now, progress toward a solution of this problem has been slow. As a result of genetical analysis to know the dimensions of the problem, progress has been made on the biochemical side.
M, Young, J, Mandelstam
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Coccidioides immitis endospores: Phagocytosis by human cells
Mycopathologia, 1978Phagocytosis of killed endospores by glass adherent peripheral human mononuclear cells was studied. Phagocytosis continued through 30 minutes of incubation. No difference in rates of ingestion could be detected when cells from coccidioidin-reactive and nonreactive subjects were compared although both groups ingested endospores more avidly than latex ...
S C, Deresinski +2 more
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Mechanisms of endospore inactivation under high pressure
Trends in Microbiology, 2013It is well known that spore germination and inactivation can be achieved within a broad temperature and pressure range. The existing literature, however, reports contradictory results concerning the effectiveness of different pressure-temperature combinations and the underlying inactivation mechanism(s).
Kai, Reineke +3 more
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Bacterial endospores the ultimate survivors
International Dairy Journal, 2002Bacterial endospores are the most resistant living structures, known. Their high degree of resistance to many treatments (including heat and UV) is due to many factors and is governed by the unique spore structure. Spore core dehydration is a primary determinant of heat resistance.
Abdelmadjid Atrih, Simon J Foster
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Endospore-forming Soil Bacteria
2011Niall Logan & Gillian Halket: Developments in the Taxonomy of Aerobic, Endospore-Forming Bacteria.- Ines Mandic-Mulec and James I. Prosser: Diversity of endospore-forming bacteria in soil: characterization and driving mechanisms.- Paul De Vos: Studying the bacterial diversity of the soil by culture independent approaches.- Berge O., Mavingui P., Heulin
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Absorption edge imaging of bacterial endospores
Proceedings, annual meeting, Electron Microscopy Society of America, 1987Due to the structure and physiology of the bacterial endospore, the resist ratio for most chemical sterilants of spores to vegetative cells is 10,000:1 thereby making them uniquely resistant to chemical sterilization. Although some chemical sterilants do exist that are quite effective against most species of spores, little is known about the effect ...
B. J. Panessa-Warren +2 more
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GERMINATION OF BACTERIAL ENDOSPORES WITH SUBTILOPEPTIDASES
Canadian Journal of Microbiology, 1967Intact 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°.
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Roles of Bacillus endospores in the environment
Cellular and Molecular Life Sciences CMLS, 2002The 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.
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