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| Peter SetlowSummaryAffiliation: University of Connecticut Health Center Country: USA Publications
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Publications
I will survive: DNA protection in bacterial sporesPeter Setlow
Department of Molecular, Microbial and Structural Biology, University of Connecticut Health Center, Farmington, CT 06030 3305, USA
Trends Microbiol 15:172-80. 2007..The structure of both DNA and SASP alters upon their association and this causes major changes in the chemical and photochemical reactivity of DNA...
Effects of sporulation conditions on the germination and germination protein levels of Bacillus subtilis sporesArturo Ramirez-Peralta
Department of Molecular, Microbial and Structural Biology, University of Connecticut Health Center, Farmington, Connecticut, USA
Appl Environ Microbiol 78:2689-97. 2012....
Dynamics of the assembly of a complex macromolecular structure--the coat of spores of the bacterium Bacillus subtilisPeter Setlow
Department of Molecular, Microbial and Structural Biology, University of Connecticut Health Center, Farmington, CT 06030 3305, USA
Mol Microbiol 83:241-4. 2012..This study provides new understanding of the mechanism of the assembly of a multi-protein, multi-lamellar structure...
Investigating the role of small, acid-soluble spore proteins (SASPs) in the resistance of Clostridium perfringens spores to heatDeepa Raju
Department of Biomedical Sciences, College of Veterinary Medicine, Oregon State University, Corvallis, Oregon 97331, USA
BMC Microbiol 6:50. 2006..perfringens spore heat-resistance remains unknown. In the current study, we investigated the role of small, acid-soluble spore proteins (SASPs) in heat-resistance of spores produced by C. perfringens food poisoning isolates...
Dormant spores receive an unexpected wake-up callPeter Setlow
Department of Molecular, Microbial and Structural Biology, University of Connecticut Health Center, Farmington, CT 06030 3305, USA
Cell 135:410-2. 2008..Shah et al. (2008) now report that cell wall peptidoglycan fragments can also trigger spore germination by binding to an inner membrane-bound protein kinase...
Characterization of the germination of Bacillus megaterium spores lacking enzymes that degrade the spore cortexB Setlow
Department of Molecular, Microbial and Structural Biology, University of Connecticut Health Center, Farmington, CT 06030 3305, USA
J Appl Microbiol 107:318-28. 2009..To determine roles of cortex lytic enzymes (CLEs) in Bacillus megaterium spore germination...
Spore germinationPeter Setlow
Department of Biochemistry, University of Connecticut Health Center, Farmington, CT 06032, USA
Curr Opin Microbiol 6:550-6. 2003..subtilis, and completion of cortex hydrolysis and subsequent germ cell wall expansion allows full spore core hydration and resumption of spore metabolism and macromolecular synthesis...
Germination of spores of Bacillus subtilis with dodecylamineB Setlow
Department of Biochemistry, University of Connecticut Health Center, Farmington, CT 06032, USA
J Appl Microbiol 95:637-48. 2003..To determine the properties of Bacillus subtilis spores germinated with the alkylamine dodecylamine, and the mechanism of dodecylamine-induced spore germination...
Role of dipicolinic acid in resistance and stability of spores of Bacillus subtilis with or without DNA-protective alpha/beta-type small acid-soluble proteinsBarbara Setlow
Department of Molecular, Microbial and Structural Biology, University of Connecticut Health Center, Farmington, CT 06030 3305, USA
J Bacteriol 188:3740-7. 2006..Specific roles for DPA in protecting spore DNA against damage may well have been a major driving force for the spore's accumulation of the high levels of this small molecule...
Effects of cortex peptidoglycan structure and cortex hydrolysis on the kinetics of Ca(2+)-dipicolinic acid release during Bacillus subtilis spore germinationPengfei Zhang
Department of Physics, East Carolina University, Greenville, North Carolina, USA
J Bacteriol 194:646-52. 2012..subtilis spore germination and, further, that this effect is independent of effects of GRs...
Spores of Bacillus subtilis: their resistance to and killing by radiation, heat and chemicalsP Setlow
Department of Molecular, Microbial and Structural Biology, University of Connecticut Health Center, Farmington, 06030 3305, USA
J Appl Microbiol 101:514-25. 2006..Given the importance of the killing of spores of Bacillus species in the food and medical products industry, a deeper understanding of the mechanisms of spore resistance and killing may lead to improved methods for spore destruction...
Interaction between individual protein components of the GerA and GerB nutrient receptors that trigger germination of Bacillus subtilis sporesTakao Igarashi
Department of Molecular, Microbial and Structural Biology, University of Connecticut Health Center, Farmington, CT 06030 3305, USA
J Bacteriol 187:2513-8. 2005..These findings suggest that GerAC and GerBC interact with their respective A and B proteins in GerA or GerB receptors and that GerBC potentially interacts with GerAA-GerAB. However, GerAC did not appear to interact with GerBA-GerBB...
Characterization of spores of Bacillus subtilis that lack most coat layersSonali Ghosh
Department of Molecular, Microbial and Structural Biology, University of Connecticut Health Center, Farmington, CT 06030 3305, USA
J Bacteriol 190:6741-8. 2008..These results provide new insight into the role of the coat layer in spore properties...
Levels and localization of mechanosensitive channel proteins in Bacillus subtilisPaul G Wahome
Department of Molecular, Microbial and Structural Biology, University of Connecticut Health Center, 263 Farmington Avenue, Farmington, CT 06030 3305, USA
Arch Microbiol 191:403-14. 2009....
Superdormant spores of Bacillus species have elevated wet-heat resistance and temperature requirements for heat activationSonali Ghosh
Department of Molecular, Microbial and Structural Biology, University of Connecticut Health Center, Farmington, Connecticut 06030 3305, USA
J Bacteriol 191:5584-91. 2009..These results provide new information about the germination, heat activation optima, and wet-heat resistance of superdormant spores and the heterogeneity in these properties between individual members of dormant spore populations...
Role of dipicolinic acid in the germination, stability, and viability of spores of Bacillus subtilisAnil Magge
Department of Molecular, Microbial and Structural Biology, University of Connecticut Health Center, Farmington, CT 06030 3305, USA
J Bacteriol 190:4798-807. 2008..vii) At least the great majority of spores of several spoVF strains that contained no DPA also lacked other major spore small molecules and had gone through some of the early reactions in spore germination...
Analysis of the effects of a gerP mutation on the germination of spores of Bacillus subtilisXuan Yi Butzin
Department of Molecular, Microbial and Structural Biology, University of Connecticut Health Center, Farmington, Connecticut, USA
J Bacteriol 194:5749-58. 2012..All these results support the suggestion that GerP proteins facilitate access of nutrient germinants to their cognate GRs in spores' inner membrane...
Role of a SpoVA protein in dipicolinic acid uptake into developing spores of Bacillus subtilisYunfeng Li
Department of Molecular, Microbial and Structural Biology, University of Connecticut Health Center, Farmington, Connecticut, USA
J Bacteriol 194:1875-84. 2012..Our results provide direct evidence that SpoVA proteins, in particular SpoVAD, are directly involved in DPA(2,6) movement into developing B. subtilis spores...
Effects of the SpoVT regulatory protein on the germination and germination protein levels of spores of Bacillus subtilisArturo Ramirez-Peralta
Department of Molecular, Microbial and Structural Biology, University of Connecticut Health Center, Farmington, Connecticut, USA
J Bacteriol 194:3417-25. 2012..Overall, these results indicate that SpoVT levels during spore formation have a major impact on the germination and the resistance of the resultant spores...
Effects of a gerF (lgt) mutation on the germination of spores of Bacillus subtilisTakao Igarashi
Department of Molecular, Microbial, and Structural Biology, University of Connecticut Health Center, Farmington, Connecticut 06032, USA
J Bacteriol 186:2984-91. 2004....
Mechanisms of Bacillus subtilis spore resistance to and killing by aqueous ozoneS B Young
Department of Molecular, Microbial and Structural Biology, University of Connecticut Health Center, Farmington, CT 06032-3305, USA
J Appl Microbiol 96:1133-42. 2004..SIGNIFICANCE AND IMPACT OF THE STUDY: These results provide information on the mechanisms of spore killing by and resistance to ozone...
Release of small molecules during germination of spores of Bacillus SpeciesBarbara Setlow
Department of Molecular, Microbial and Structural Biology, University of Connecticut Health Center, Farmington, CT 06030 3305, USA
J Bacteriol 190:4759-63. 2008..These results indicate that early in germination there is a major selective change in the permeability of the spore's inner membrane...
Factors influencing germination of Bacillus subtilis spores via activation of nutrient receptors by high pressureElaine P Black
Department of Molecular, Microbial, and Structural Biology, University of Connecticut Health Center, Farmington, CT 06032, USA
Appl Environ Microbiol 71:5879-87. 2005....
Role of SpoVA proteins in release of dipicolinic acid during germination of Bacillus subtilis spores triggered by dodecylamine or lysozymeVenkata Ramana Vepachedu
Department of Molecular, Microbial, and Structural Biology, University of Connecticut Health Center, Farmington, CT 06030 3305, USA
J Bacteriol 189:1565-72. 2007....
Mechanisms of killing of Bacillus subtilis spores by Decon and Oxone, two general decontaminants for biological agentsS B Young
Department of Biochemistry, University of Connecticut Health Center, Farmington, CT 06032-3305, USA
J Appl Microbiol 96:289-301. 2004..SIGNIFICANCE AND IMPACT OF STUDY: These results provide information on the mechanisms of the killing of bacterial spores by Decon and Oxone...
Comparison of the properties of Bacillus subtilis spores made in liquid or on agar platesR Rose
Department of Molecular, Microbial and Structural Biology, University of Connecticut Health Center, Farmington, CT 06030 3305, USA
J Appl Microbiol 103:691-9. 2007..To compare the properties of the spores of Bacillus subtilis prepared in liquid and on plates...
Mechanisms of Bacillus subtilis spore killing by and resistance to an acidic Fe-EDTA-iodide-ethanol formulationM P Shapiro
Department of Molecular, Microbial and Structural Biology, University of Connecticut Health Center, Farmington, 06032, USA
J Appl Microbiol 100:746-53. 2006..SIGNIFICANCE AND IMPACT OF THE STUDY: These results provide information on the mechanism of spore resistance to and killing by the KMT reagent developed for killing Bacillus spores...
Transcription of the Bacillus subtilis gerK operon, which encodes a spore germinant receptor, and comparison with that of operons encoding other germinant receptorsTakao Igarashi
Department of Molecular, Microbial, and Structural Biology, University of Connecticut Health Center, Farmington, CT 06030-3305, USA
J Bacteriol 188:4131-6. 2006..The gerK promoter showed sequence similarities to sigma(G)-dependent promoters, and deletion of elements of this putative promoter abolished gerK expression in sporulation...
Crystal structure of the catalytic domain of the Bacillus cereus SleB protein, important in cortex peptidoglycan degradation during spore germinationYunfeng Li
Department of Molecular, Microbial and Structural Biology University of Connecticut Health Center, Farmington, Connecticut, USA
J Bacteriol 194:4537-45. 2012..SleB and CwlJ may offer novel targets for the development of anti-spore agents...
Analysis of the germination of spores of Bacillus subtilis with temperature sensitive spo mutations in the spoVA operonVenkata Ramana Vepachedu
Department of Molecular, Microbial and Structural Biology, University of Connecticut Health Center, 263 Farmington Avenue, Farmington, CT 06032, USA
FEMS Microbiol Lett 239:71-7. 2004..These findings are discussed in light of the proposal that SpoVA proteins are involved not only in DPA uptake during sporulation, but also in DPA release during nutrient-mediated spore germination...
Levels of glycine betaine in growing cells and spores of Bacillus species and lack of effect of glycine betaine on dormant spore resistanceCharles A Loshon
Department of Molecular, Microbial and Structural Biology, University of Connecticut Health Center, Farmington, CT 06030-3305, USA
J Bacteriol 188:3153-8. 2006..GB levels were similar in wild-type B. subtilis spores and spores that lacked major small, acid-soluble spore proteins but were much lower in spores that lacked dipicolinic acid...
A soluble protein is immobile in dormant spores of Bacillus subtilis but is mobile in germinated spores: implications for spore dormancyAnn E Cowan
Center for Biomedical Imaging Technology, University of Connecticut Health Center, Farmington, CT 06032, USA
Proc Natl Acad Sci U S A 100:4209-14. 2003....
Superdormant spores of bacillus species germinate normally with high pressure, peptidoglycan fragments, and bryostatinJie Wei
Molecular, Microbial and Structural Biology, University of Connecticut Health Center, Farmington, CT 06030 3305, USA
J Bacteriol 192:1455-8. 2010..Superdormant B. subtilis spores also germinated as well as dormant spores with peptidoglycan fragments or bryostatin, a Ser/Thr protein kinase activator...
Maturation of released spores is necessary for acquisition of full spore heat resistance during Bacillus subtilis sporulationJose Luis Sanchez-Salas
Department of Molecular, Microbial and Structural Biology, University of Connecticut Health Center, Farmington, CT 06030 3305, USA
Appl Environ Microbiol 77:6746-54. 2011..Nonetheless, it appears to be most likely that it is changes in coat structure that are responsible for the increased resistance to wet heat and hypochlorite upon early spore maturation...
Cooperativity between different nutrient receptors in germination of spores of Bacillus subtilis and reduction of this cooperativity by alterations in the GerB receptorSwaroopa Atluri
Department of Molecular, Microbial, and Structural Biology, University of Connecticut Health Center, Farmington, CT 06030-3305, USA
J Bacteriol 188:28-36. 2006..vii) The amino acid binding sites in GerA and GerB are different, even though both respond to L-alanine. These new conclusions are integrated into models for the signal transduction pathways that initiate spore germination...
Localization of SpoVAD to the inner membrane of spores of Bacillus subtilisVenkata Ramana Vepachedu
Department of Molecular, Microbial and Structural Biology, University of Connecticut Health Center, Farmington, CT 06032, USA
J Bacteriol 187:5677-82. 2005..SpoVAD also persisted in outgrowing spores...
Ultraviolet irradiation of DNA complexed with alpha/beta-type small, acid-soluble proteins from spores of Bacillus or Clostridium species makes spore photoproduct but not thymine dimersW L Nicholson
Department of Biochemistry, University of Connecticut Health Center, Farmington 06030
Proc Natl Acad Sci U S A 88:8288-92. 1991..It is suggested that as these factors diffuse out in the first minutes of spore germination, spore photoproduct yields become similar to those observed for irradiation of SASP/DNA complexes in vitro...
Structure-based functional studies of the effects of amino acid substitutions in GerBC, the C subunit of the Bacillus subtilis GerB spore germinant receptorYunfeng Li
Department of Molecular, Microbial and Structural Biology, University of Connecticut Health Center, Farmington, CT 06030 3305, USA
J Bacteriol 193:4143-52. 2011....
Effects of overexpression of nutrient receptors on germination of spores of Bacillus subtilisRosa-Martha Cabrera-Martinez
Department of Biochemistry University of Connecticut Health Center, Farmington, Connecticut 06032, USA
J Bacteriol 185:2457-64. 2003....
Effects of carboxy-terminal modifications and pH on binding of a Bacillus subtilis small, acid-soluble spore protein to DNAJeffrey Kosman
Department of Biochemistry, University of Connecticut Health Center, Farmington, Connecticut 06032, USA
J Bacteriol 185:6095-103. 2003....
Lipids in the inner membrane of dormant spores of Bacillus species are largely immobileAnn E Cowan
Department of Molecular, Microbial, and Structural Biology and Center for Biomedical Imaging Technology, University of Connecticut Health Center, Farmington, CT 06032, USA
Proc Natl Acad Sci U S A 101:7733-8. 2004..3- to 1.6-fold) apparent reduction of the membrane surface area in the dormant spore relative to that in the germinated spore, but is not due to the dormant spore's high levels of dipicolinic acid and divalent cations...
Identification of a new gene essential for germination of Bacillus subtilis spores with Ca2+-dipicolinateKaterina Ragkousi
Department of Biochemistry, University of Connecticut Health Center, Farmington, Connecticut 06032, USA
J Bacteriol 185:2315-29. 2003..However, other than lacking CwlJ, ywdL spores have no obvious defect in their spore coat. Because of the role for YwdL in a part of the spore germination process, we propose renaming ywdL as a spore germination gene, gerQ...
Killing of Bacillus subtilis spores by a modified Fenton reagent containing CuCl2 and ascorbic acidMichael P Shapiro
Department of Biochemistry, University of Connecticut Health Center, Farmington, Connecticut 06032, USA
Appl Environ Microbiol 70:2535-9. 2004..CuCl(2)-ascorbic acid did not damage spore DNA, and spores killed by this reagent initiated germination. However, spores killed by CuCl(2)-ascorbic acid may have damage to their inner membrane...
Germination proteins in the inner membrane of dormant Bacillus subtilis spores colocalize in a discrete clusterKeren K Griffiths
Department of Molecular, Microbial and Structural Biology Center for Cell Analysis and Modeling, University of Connecticut Health Center, Farmington, CT 06030 3305, USA
Mol Microbiol 81:1061-77. 2011....
Localization of the transglutaminase cross-linking sites in the Bacillus subtilis spore coat protein GerQAlicia Monroe
Department of Molecular, Microbial, and Structural Biology, University of Connecticut Health Center, Farmington, 06030, USA
J Bacteriol 188:7609-16. 2006..However, while the presence of any of these three lysine residues is essential for GerQ cross-linking, they are not essential for the function of GerQ in CwlJ localization...
Role of GerD in germination of Bacillus subtilis sporesPatricia L Pelczar
Department of Molecular, Microbial and Structural Biology, University of Connecticut Health Center, Farmington, CT 06030 3305, USA
J Bacteriol 189:1090-8. 2007....
Transglutaminase-mediated cross-linking of GerQ in the coats of Bacillus subtilis sporesKaterina Ragkousi
Department of Molecular, Microbial and Structural Biology, University of Connecticut Health Center, Farmington, CT 06032, USA
J Bacteriol 186:5567-75. 2004....
Growth, osmotic downshock resistance and differentiation of Bacillus subtilis strains lacking mechanosensitive channelsPaul G Wahome
Department of Molecular, Microbial and Structural Biology, University of Connecticut Health Center, 263 Farmington Avenue, Farmington, CT 06030 3305, USA
Arch Microbiol 189:49-58. 2008..Sporulation of all MS channel mutant strains was normal, and the mutant spores germinated normally with L-alanine or dodecylamine...
An alpha/beta-type, small, acid-soluble spore protein which has very high affinity for DNA prevents outgrowth of Bacillus subtilis sporesC S Hayes
Department of Biochemistry, University of Connecticut Health Center, Farmington, Connecticut 06030, USA
J Bacteriol 183:2662-6. 2001..The persistence of this protein on spore DNA then interferes with transcription during spore outgrowth...
Topology and accessibility of germination proteins in the Bacillus subtilis spore inner membraneGeorge Korza
Department of Molecular, Microbial and Structural Biology, University of Connecticut Health Center, Farmington, CT, USA
J Bacteriol 195:1484-91. 2013....
Efficient inhibition of germination of coat-deficient bacterial spores by multivalent metal cations, including terbium (Tb³+)Xuan Yi
Department of Molecular, Microbial and Structural Biology, University of Connecticut Health Center, Farmington, CT 06030 3305, USA
Appl Environ Microbiol 77:5536-9. 2011..However, germination of coat-deficient Bacillus spores was strongly inhibited by Tb(3+) and some other multivalent cations. Tb(3+) also inhibited germination of coat-deficient Clostridium perfringens spores...
Studies of the commitment step in the germination of spores of bacillus speciesXuan Yi
Department of Molecular, Microbial, and Structural Biology, University of Connecticut Health Center, Farmington, CT 06030 3305, USA
J Bacteriol 192:3424-33. 2010....
Effects of Mn and Fe levels on Bacillus subtilis spore resistance and effects of Mn2+, other divalent cations, orthophosphate, and dipicolinic acid on protein resistance to ionizing radiationAmanda C Granger
Department of Molecular, Microbial and Structural Biology, University of Connecticut Health Center, Farmington, CT 06030 3305, USA
Appl Environ Microbiol 77:32-40. 2011....
Crystal structure of the GerBC component of a Bacillus subtilis spore germinant receptorYunfeng Li
Department of Molecular, Microbial and Structural Biology, University of Connecticut Health Center, Farmington, CT 06030 3305, USA
J Mol Biol 402:8-16. 2010..Our findings provide the first structural view of the nGR subunits and a molecular framework for understanding the architecture, conservation, and function of nGRs...
Killing of spores of Bacillus subtilis by peroxynitrite appears to be caused by membrane damagePeter C Genest
Department of Biochemistry, University of Connecticut Health Center, Farmington, CT 06032, USA
Microbiology 148:307-14. 2002..Together these data suggest that spore killing by PON is through some type of damage to the spore's inner membrane...
Localization of the germination protein GerD to the inner membrane in Bacillus subtilis sporesPatricia L Pelczar
Department of Molecular, Microbial and Structural Biology, University of Connecticut Health Center, Farmington, CT 06030 3305, USA
J Bacteriol 190:5635-41. 2008..All of these results suggest that GerD is a lipoprotein associated with the dormant spore's inner membrane that may be released in some fashion from this membrane upon spore germination...
Analysis of interactions between nutrient germinant receptors and SpoVA proteins of Bacillus subtilis sporesVenkata Ramana Vepachedu
Department of Molecular, Microbial and Structural Biology, University of Connecticut Health Center, Farmington, CT 06032 3305, USA
FEMS Microbiol Lett 274:42-7. 2007..Consequently, these new findings suggest that nutrient germinant receptors physically contact SpoVA proteins, and presumably this is a route for signal transduction during spore germination...
The Bacillus subtilis spore coat provides "eat resistance" during phagocytic predation by the protozoan Tetrahymena thermophilaLawrence A Klobutcher
Department of Molecular, Microbial, and Structural Biology, University of Connecticut Health Center, Farmington, CT 06030-3305, USA
Proc Natl Acad Sci U S A 103:165-70. 2006..We also found that indigestible rinds were generated even from spores in which cross-linking of coat proteins was greatly reduced, implying the existence of a coat structure that is highly resistant to degradative enzymes...
The synthesis and role of the mechanosensitive channel of large conductance in growth and differentiation of Bacillus subtilisPaul G Wahome
Department of Molecular, Microbial and Structural Biology, University of Connecticut Health Center, 263 Farmington Avenue, Farmington, CT 06030-3305, USA
Arch Microbiol 186:377-83. 2006..However, by the early stationary phase of growth, DeltamscL cells had become resistant to a 0.9 M osmotic downshift...
Base-change mutations induced by various treatments of Bacillus subtilis spores with and without DNA protective small, acid-soluble spore proteinsLuz del Carmen Huesca Espitia
Department of Biochemistry, University of Connecticut Health Center, Farmington, CT 06032, USA
Mutat Res 503:77-84. 2002....
New small, acid-soluble proteins unique to spores of Bacillus subtilis: identification of the coding genes and regulation and function of two of these genesI Bagyan
Department of Biochemistry, University of Connecticut Health Center, Farmington, Connecticut 06032, USA
J Bacteriol 180:6704-12. 1998..A mutation eliminating SspG had no effect on sporulation or spore properties, while loss of SspJ caused a slight decrease in the rate of spore outgrowth in an otherwise wild-type background...
Mechanisms of killing of Bacillus subtilis spores by hypochlorite and chlorine dioxideS B Young
Department of Biochemistry, University of Connecticut Health Center, Farmington, CT 06032 3305, USA
J Appl Microbiol 95:54-67. 2003..To determine the mechanisms of Bacillus subtilis spore killing by hypochlorite and chlorine dioxide, and its resistance against them...
The Bacillus subtilis dacB gene, encoding penicillin-binding protein 5*, is part of a three-gene operon required for proper spore cortex synthesis and spore core dehydrationD L Popham
Department of Biochemistry, University of Connecticut Health Center, Farmington 06030 3305, USA
J Bacteriol 177:4721-9. 1995..The idea that loosely cross-linked, flexible cortex peptidoglycan has a mechanical activity involved in achieving spore core dehydration is not consistent with normal core dehydration in spores lacking only dacB...
Activity and Regulation of Various Forms of CwlJ, SleB, and YpeB Proteins in Degrading Cortex Peptidoglycan of Spores of Bacillus Species In Vitro and during Spore GerminationYunfeng Li
Department of Molecular, Microbial and Structural Biology, University of Connecticut Health Center, Farmington, Connecticut, USA
J Bacteriol 195:2530-40. 2013....
Germination protein levels and rates of germination of spores of Bacillus subtilis with overexpressed or deleted genes encoding germination proteinsKerry Ann V Stewart
Department of Molecular, Microbial and Structural Biology, University of Connecticut Health Center, Farmington, Connecticut, USA
J Bacteriol 194:3156-64. 2012..However, levels of GerB's C subunit, also almost certainly a lipoprotein, and GerK's A subunit were normal in gerF spores. These results with gerF spores were consistent with effects of loss of GerF on spore germination by different GRs...
Levels of germination proteins in dormant and superdormant spores of Bacillus subtilisSonali Ghosh
Department of Molecular, Microbial, and Structural Biology, University of Connecticut Health Center, Farmington, Connecticut, USA
J Bacteriol 194:2221-7. 2012....
How moist heat kills spores of Bacillus subtilisWilliam H Coleman
Department of Molecular, Microbial and Structural Biology, University of Connecticut Health Center, Farmington, CT 06030 3305, USA
J Bacteriol 189:8458-66. 2007....
Identification of aryl-phospho-beta-D-glucosidases in Bacillus subtilisBarbara Setlow
Department of Molecular, Microbial, and Structural Biology, University of Connecticut Health Center, Farmington, CT 06032, USA
Arch Microbiol 181:60-7. 2004..However, a strain lacking bglA, bglH and yckE grew poorly if at all on aryl-beta- d-glucosides as the sole carbon source...
Protozoal digestion of coat-defective Bacillus subtilis spores produces "rinds" composed of insoluble coat proteinAlicia Monroe Carroll
Department of Molecular, Microbial and Structural Biology, University of Connecticut Health Center, Farmington, CT 06032, USA
Appl Environ Microbiol 74:5875-81. 2008....
The products of the spoVA operon are involved in dipicolinic acid uptake into developing spores of Bacillus subtilisFederico Tovar-Rojo
Department of Biochemistry, University of Connecticut Health Center, Farmington, Connecticut 06032, USA
J Bacteriol 184:584-7. 2002..These data indicate that one or more products of the spoVA operon are involved in DPA transport into the developing forespore during sporulation...
Effect of a small, acid-soluble spore protein from Clostridium perfringens on the resistance properties of Bacillus subtilis sporesJuan Francisco Leyva Illades
Department of Molecular, Microbial and Structural Biology, University of Connecticut Health Center, Farmington, CT 06030 3305, USA
J Bacteriol 189:7927-31. 2007..These results further indicate the interchangeability of alpha/beta-type SASP in DNA protection in spores...
Germination of individual Bacillus subtilis spores with alterations in the GerD and SpoVA proteins, which are important in spore germinationGuiwen Wang
Department of Physics, East Carolina University, Greenville, North Carolina 27858 4353, USA
J Bacteriol 193:2301-11. 2011..iii) Spores release significant CaDPA before commitment. (iv) CaDPA release during T(lag) and ΔT(release) may signal subsequent germination events...
Cloning, nucleotide sequence, and regulation of the Bacillus subtilis pbpE operon, which codes for penicillin-binding protein 4* and an apparent amino acid racemaseD L Popham
Department of Biochemistry, University of Connecticut Health Center, Farmington 06032
J Bacteriol 175:2917-25. 1993..This induction depended on the activity of the spo0A product in relieving repression by the abrB repressor. A single transcription start site which was apparently dependent on E sigma A was detected upstream of pbpE...
Regulation of four genes encoding small, acid-soluble spore proteins in Bacillus subtilisA Cabrera-Hernandez
Department of Biochemistry, University of Connecticut Health Center, Farmington, CT 06032, USA
Gene 232:1-10. 1999..Mutations disrupting the sspH, sspL, sspN-tlp, or tlp loci cause a loss of the appropriate SASP from spores, but have no discernible effect on sporulation, spore properties, or spore germination...
Proteolytic processing of the protease which initiates degradation of small, acid-soluble proteins during germination of Bacillus subtilis sporesJ L Sanchez-Salas
Department of Biochemistry, University of Connecticut Health Center, Farmington 06030 3305
J Bacteriol 175:2568-77. 1993..During spore germination, the GPR from either species expressed in B. subtilis was further processed by removal of one additional amino-terminal amino acid (leucine), generating the mature protease which acts during spore germination...
Characterization of yhcN, a new forespore-specific gene of Bacillus subtilisI Bagyan
Department of Biochemistry, University of Connecticut Health Center, Farmington, CT 06032, USA
Gene 212:179-88. 1998..A yhcN mutant sporulates normally and yhcN spores have identical resistance properties to wild-type spores. However, the outgrowth of yhcN spores is slower than that of wild-type spores...
Genetic requirements for induction of germination of spores of Bacillus subtilis by Ca(2+)-dipicolinateM Paidhungat
Department of Biochemistry, University of Connecticut Health Center, Farmington, Connecticut 06032, USA
J Bacteriol 183:4886-93. 2001..Our findings thus define a mechanism for Ca(2+)-DPA-induced germination and also provide the first definitive evidence for a signaling pathway that activates cortex hydrolysis in response to nutrients...
Analysis of factors that influence the sensitivity of spores of Bacillus subtilis to DNA damaging chemicalsD E Cortezzo
Department of Molecular, Microbial and Structural Biology, University of Connecticut Health Center, Farmington, CT 06032, USA
J Appl Microbiol 98:606-17. 2005..SIGNIFICANCE AND IMPACT OF THE STUDY: The results in this communication provide new insight into the factors that influence the resistance of spores of Bacillus species to chemicals that kill spores by damaging spore DNA...
Analysis of the regulation and function of five genes encoding small, acid-soluble spore proteins of Bacillus subtilisA Cabrera-Hernandez
Department of Biochemistry, University of Connecticut Health Center, Farmington, CT 06032, USA
Gene 248:169-81. 2000..Loss of sspI also had no effect on sporulation, spore properties or spore germination, but DeltasspI spores had a significant defect in spore outgrowth...
Localization of the cortex lytic enzyme CwlJ in spores of Bacillus subtilisIrina Bagyan
Department of Biochemistry, University of Connecticut Health Center, Farmington, Connecticut 06032, USA
J Bacteriol 184:1219-24. 2002....
Isolation and characterization of superdormant spores of Bacillus speciesSonali Ghosh
Department of Molecular, Microbial and Structural Biology, University of Connecticut Health Center, Farmington, Connecticut 06030 3305, USA
J Bacteriol 191:1787-97. 2009..A second important factor may be heat activation of spore populations, since yields of superdormant spores from non-heat-activated spore populations were higher than those from optimally activated spores...
Mechanisms of induction of germination of Bacillus subtilis spores by high pressureMadan Paidhungat
Department of Biochemistry, University of Connecticut Health Center, Farmington, Connecticut 06032, USA
Appl Environ Microbiol 68:3172-5. 2002....
Synergism between different germinant receptors in the germination of Bacillus subtilis sporesXuan Yi
Department of Molecular, Microbial and Structural Biology, University of Connecticut Health Center, Farmington, CT 06030 3305, USA
J Bacteriol 193:4664-71. 2011..Direct cooperative action between GRs may further add to the synergism seen in germination triggered by multiple GRs. Further experiments and modeling are required to determine the relative contributions of these different mechanisms...
Quantitative analysis of spatial-temporal correlations during germination of spores of Bacillus SpeciesJinqiao Zhang
Center for Cell Analysis and Modeling, University of Connecticut Health Center, Farmington, CT 06030, USA
J Bacteriol 193:3765-72. 2011..However, two molecules known to be germinants that are released during germination, l-alanine and the 1:1 chelate of Ca²⁺ and dipicolinic acid, did not mediate spore-to-spore communication during germination...
Cloning and nucleotide sequence of three genes coding for small, acid-soluble proteins of Clostridium perfringens sporesR M Cabrera-Martinez
Department of Biochemistry, University of Connecticut Health Center, Farmington 06032
FEMS Microbiol Lett 61:127-31. 1991..However, the C. perfringens SASP exhibit significant sequence divergence from Bacillus and C. bifermentans SASP. These genes may be useful in taxonomic studies of Clostridium species...
Resistance of spores of Bacillus species to ultraviolet lightP Setlow
Department of Biochemistry, University of Connecticut Health Center, Farmington, Connecticut 06032, USA
Environ Mol Mutagen 38:97-104. 2001..SP-specific repair is also unique to spores and is carried out by a light-independent SP-lyase, an iron-sulfur protein that utilizes S-adenosylmethionine to catalyze SP monomerization without DNA backbone cleavage...
Properties of spores of Bacillus subtilis blocked at an intermediate stage in spore germinationB Setlow
Department of Biochemistry, University of Connecticut Health Center, Farmington, Connecticut 06032, USA
J Bacteriol 183:4894-9. 2001..We propose that the germinated spores in which the cortex has not been degraded represent an intermediate stage in spore germination, which we term stage I...
Effects of major spore-specific DNA binding proteins on Bacillus subtilis sporulation and spore propertiesB Setlow
Department of Biochemistry, University of Connecticut Health Center, Farmington, Connecticut 06032, USA
J Bacteriol 182:6906-12. 2000..These results indicate that alpha/beta-type SASP may well have global effects on gene expression during sporulation and spore outgrowth...
Treatment with oxidizing agents damages the inner membrane of spores of Bacillus subtilis and sensitizes spores to subsequent stressD E Cortezzo
Department of Molecular, Microbial and Structural Biology, University of Connecticut Health Center, Farmington, CT 06032, USA
J Appl Microbiol 97:838-52. 2004..It may be possible to take advantage of this phenomenon to devise improved, less costly regimens for spore inactivation...
Mechanisms of killing spores of Bacillus subtilis by acid, alkali and ethanolB Setlow
Department of Biochemistry, University of Connecticut Health Center, Farmington, CT 06030, USA
J Appl Microbiol 92:362-75. 2002..To determine the mechanisms of killing of Bacillus subtilis spores by ethanol or strong acid or alkali...
N-terminal amino acid residues mediate protein-protein interactions between DNA-bound alpha /beta -type small, acid-soluble spore proteins from Bacillus speciesC S Hayes
Department of Biochemistry, University of Connecticut Health Center, Farmington, Connecticut 06030, USA
J Biol Chem 276:2267-75. 2001..These results are interpreted in the context of a model for DNA-dependent alpha/beta-type SASP protein-protein interaction involving the N-terminal regions of these proteins...
Analysis of the properties of spores of Bacillus subtilis prepared at different temperaturesE Melly
Department of Biochemistry, University of Connecticut Health Center, Farmington, CT 06032, USA
J Appl Microbiol 92:1105-15. 2002..SIGNIFICANCE AND IMPACT OF THE STUDY: The precise conditions for the formation of B. subtilis spores have a large effect on many spore properties...
Studies on the mechanism of killing of Bacillus subtilis spores by hydrogen peroxideE Melly
Department of Biochemistry, University of Connecticut Health Center, Farmington, CT 06032, USA
J Appl Microbiol 93:316-25. 2002..SIGNIFICANCE AND IMPACT OF THE STUDY: The results provide further information on the mechanism of killing of spores of Bacillus species by hydrogen peroxide...
Extremely variable conservation of γ-type small, acid-soluble proteins from spores of some species in the bacterial order BacillalesJay Vyas
Department of Molecular, Microbial and Structural Biology, University of Connecticut Health Center, Farmington, CT 06030 3305, USA
J Bacteriol 193:1884-92. 2011..acidocaldarius spores, although several of the DNA-binding α/β-type SASP were present. These findings have elucidated the phylogenetic origin of the sspE gene, and this may help in determining the precise function of γ-type SASP...
Heat shock proteins do not influence wet heat resistance of Bacillus subtilis sporesE Melly
University of Connecticut Health Center, Farmington, Connecticut 06032, USA
J Bacteriol 183:779-84. 2001..subtilis spores...
Cloning, nucleotide sequence, mutagenesis, and mapping of the Bacillus subtilis pbpD gene, which codes for penicillin-binding protein 4D L Popham
Department of Biochemistry, University of Connecticut Health Center, Farmington 06030 3305
J Bacteriol 176:7197-205. 1994..A single transcription start site was detected just upstream of pbpD. The pbpD locus was mapped to the 275 to 280 degrees region of the chromosomal genetic map...
Studies of the release of small molecules during pressure germination of spores of Bacillus subtilisV R Vepachedu
Department of Molecular, Microbial and Structural Biology, University of Connecticut Health Center, Farmington, CT 06032 3305, USA
Lett Appl Microbiol 45:342-8. 2007..To measure rates of release of small molecules during pressure germination of Bacillus subtilis spores, and the role of SpoVA proteins in dipicolinic acid (DPA) release...
Sensitization of Bacillus subtilis spores to dry heat and desiccation by pretreatment with oxidizing agentsA de Benito Armas
Department of Molecular, Microbial and Structural Biology, University of Connecticut Health Center, Farmington, CT 06030 3305, USA
Lett Appl Microbiol 46:492-7. 2008..To determine if pretreatment with oxidizing agents sensitizes Bacillus subtilis spores to dry heat or desiccation...
Cloning and nucleotide sequence of the Bacillus subtilis ansR gene, which encodes a repressor of the ans operon coding for L-asparaginase and L-aspartaseD Sun
Department of Biochemistry, University of Connecticut Health Center, Farmington 06030 3305
J Bacteriol 175:2501-6. 1993..subtilis prophage PBSX, and a helix-turn-helix motif, characteristic of many DNA-binding proteins, was present in the AnsR amino-terminal region. These results suggest that ansR codes for a repressor of the ans operon...
Studies on the mechanism of the osmoresistance of spores of Bacillus subtilisF Tovar-Rojo
Department of Biochemistry, University of Connecticut Health Center, Farmington, CT 06032, USA
J Appl Microbiol 95:167-79. 2003....
The preparation, germination properties and stability of superdormant spores of Bacillus cereusS Ghosh
Department of Molecular, Microbial and Structural Biology, University of Connecticut Health Center, Farmington, CT 06030 3305, USA
J Appl Microbiol 108:582-90. 2010..To determine yields, germination and stability of superdormant Bacillus cereus spores...
