Affiliation: University of Florida
- Human enteric pathogens in produce: un-answered ecological questions with direct implications for food safetyMax Teplitski
Department of Soil and Water Science, University of Florida, Gainesville, FL 32611, USA
Curr Opin Biotechnol 20:166-71. 2009....
- Untangling metabolic and communication networks: interactions of enterics with phytobacteria and their implications in produce safetyMax Teplitski
Soil and Water Science Department, Genetics Institute, University of Florida IFAS, Gainesville, FL, USA
Trends Microbiol 19:121-7. 2011..In this review, we attempt to elucidate the mechanisms of interactions between human enteric pathogens and plant-associated microbiota, and describe how these interactions affect produce safety...
- How feasible is the biological control of coral diseases?Max Teplitski
Department of Soil and Water Science, Institute of Food and Agricultural Sciences, University of Florida, Gainesville, FL 32611, USA
Trends Ecol Evol 24:378-85. 2009..Monitoring native coral-associated microbiota for functions associated with resistance to pathogens could also serve as an additional indicator of reef health...
- Biological approaches for controlling shellfish-associated pathogensMax Teplitski
Department of Soil and Water Science, University of Florida Institute of Food and Agricultural Sciences IFAS, Gainesville, FL 32611, USA
Curr Opin Biotechnol 20:185-90. 2009..that are pathogenic to humans. Further investigations will reveal whether combining depuration with chemical disruption of bacterial attachment or cell-to-cell signaling may accomplish this goal...
- Catabolite repression of the SirA regulatory cascade in Salmonella entericaMax Teplitski
Department of Soil and Water Science, Institute of Food and Agricultural Sciences, University of Florida, Gainesville, FL 32611 0290, USA
Int J Med Microbiol 296:449-66. 2006..Although SirA does not regulate csrA, this gene was also under crp/cya control. Supplementation of a rich medium with phosphate diminished the catabolite control of the csr portion but not the virulence portion of the SirA regulon...
- Contribution of the SirA regulon to biofilm formation in Salmonella enterica serovar TyphimuriumMax Teplitski
Soil and Water Science Department, IFAS, University of Florida, Gainesville, FL 32611 0290, USA
Microbiology 152:3411-24. 2006..In turn, csrB and csrC promote the translation of the fim operon, while at the same time inhibiting the translation of flagella, which are inhibitory to biofilm formation...
- Differential regulation of Salmonella typhimurium genes involved in O-antigen capsule production and their role in persistence within tomato fruitMassimiliano Marvasi
Soil and Water Science Department, Genetics Institute Rm330E, 2033 Mowry Rd, University of Florida IFAS, Gainesville 32611, USA
Mol Plant Microbe Interact 26:793-800. 2013..These experiments suggest a role for functional ethylene-mediated signaling in the persistence of Salmonella spp. within tomato fruit. Furthermore, jasmonic acid and its precursors strongly reduced expression of yihT...
- Characterization of the gacA-dependent surface and coral mucus colonization by an opportunistic coral pathogen Serratia marcescens PDL100Cory J Krediet
Interdisciplinary Ecology, University of Florida IFAS, Gainesville, FL 32610 3610, USA
FEMS Microbiol Ecol 84:290-301. 2013..marcescens PDL100 in either a model polyp Aiptasia pallida or in brine shrimp Artemia nauplii...
- Members of native coral microbiota inhibit glycosidases and thwart colonization of coral mucus by an opportunistic pathogenCory J Krediet
Interdisciplinary Ecology, University of Florida IFAS, Gainesville, FL 32610, USA
ISME J 7:980-90. 2013..These results provide insight into potential mechanisms of commensal interference with early colonization and infection behaviors in opportunistic pathogens and highlight an important function for the native microbiota in coral health...
- Catabolite regulation of enzymatic activities in a white pox pathogen and commensal bacteria during growth on mucus polymers from the coral Acropora palmataCory J Krediet
Interdisciplinary Ecology Graduate Program, School of Natural Resources and Environment, University of Florida, Institute of Food and Agricultural Sciences IFAS, 103 Black Hall, PO Box 116455, Gainesville, Florida 32611, USA
Dis Aquat Organ 87:57-66. 2009....
- Consequences of disrupting Salmonella AI-2 signaling on interactions within soft rotsClayton E Cox
Department of Soil and Water Science, University of Florida, Gainesville, FL, USA
Phytopathology 103:352-61. 2013..The results of this study show that AI-2 signaling offers no significant benefit to Salmonella spp. in this model of colonization of tomato or soft rots...
- Signaling-mediated cross-talk modulates swarming and biofilm formation in a coral pathogen Serratia marcescensAli Alagely
Soil and Water Science Department, University of Florida, Institute of Food and Agricultural Sciences, Gainesville, FL 32610, USA
ISME J 5:1609-20. 2011..marcescens...
- RIVET-a tool for in vivo analysis of symbiotically relevant gene expression in Sinorhizobium melilotiMengsheng Gao
Soil and Water Science Department Cancer and Genetics Research Complex, Rm 330E, University of Florida Institute of Food and Agricultural Sciences, Gainesville, FL 32610, USA
Mol Plant Microbe Interact 21:162-70. 2008..AHL synthase sinI and an AHL-regulated gene, expG, were activated inside the nodules...
- Specific responses of Salmonella enterica to tomato varieties and fruit ripeness identified by in vivo expression technologyJason T Noel
Soil and Water Science Department, Genetics Institute, University of Florida, Gainesville, Florida, United States of America
PLoS ONE 5:e12406. 2010..Genetic and physiological pathways, by which enterics colonize plants, are still poorly understood...
- Coral-associated micro-organisms and their roles in promoting coral health and thwarting diseasesCory J Krediet
Interdisciplinary Ecology, University of Florida IFAS, Gainesville, FL 32610, USA
Proc Biol Sci 280:20122328. 2013....
- Role of the Sinorhizobium meliloti global regulator Hfq in gene regulation and symbiosisMengsheng Gao
Soil and Water Science Department, Cancer and Genetics Research Complex, Room 330E, University of Florida Institute of Food and Agricultural Sciences, Gainesville 32610, USA
Mol Plant Microbe Interact 23:355-65. 2010..A deletion of hfq resulted in a reduced symbiotic efficiency, although the mutant was still able to initiate nodule development and differentiate into bacteroids...
- Lyngbyoic acid, a "tagged" fatty acid from a marine cyanobacterium, disrupts quorum sensing in Pseudomonas aeruginosaJason Christopher Kwan
Department of Medicinal Chemistry, University of Florida, 1600 SW Archer Road, Gainesville, Florida 32610, USA
Mol Biosyst 7:1205-16. 2011..Compound 4 may therefore prove to be a useful tool in the study of P. aeruginosa adaption during such chronic infections...
- Factors that affect proliferation of Salmonella in tomatoes post-harvest: the roles of seasonal effects, irrigation regime, crop and pathogen genotypeMassimiliano Marvasi
Department of Soil and Water Science, University of Florida, Gainesville, Florida, United States of America
PLoS ONE 8:e80871. 2013..The goal of this study was to test how irrigation levels, fruit water congestion, crop and pathogen genotypes affect the ability of Salmonella to multiply in tomatoes post-harvest...
- Role of specific quorum-sensing signals in the regulation of exopolysaccharide II production within Sinorhizobium meliloti spreading coloniesMengsheng Gao
Soil and Water Science Department, University of Florida Institute of Food and Agricultural Sciences, Gainesville, Florida, United States of America
PLoS ONE 7:e42611. 2012..meliloti Rm8530. The sinI gene is regulated by two LuxR-type transcriptional regulators, SinR and ExpR. Mutations in sinI, sinR and expR abolish the production of exopolysaccharide II (EPS II)...
- Characterization of arsenic-resistant bacteria from the rhizosphere of arsenic hyperaccumulator Pteris vittataAnhui Huang
Soil and Water Science Department, University of Florida, Gainesville, 32601, USA
Can J Microbiol 56:236-46. 2010..Both these adaptations contribute to the high arsenic resistance in the bacterial isolates...
- Role of GacA in virulence of Vibrio vulnificusJulie D Gauthier
Food Science and Human Nutrition Department, 212 Aquatic Food Products Laboratory, University of Florida, Gainesville, FL 32611, USA
Microbiology 156:3722-33. 2010..However, the virulence of the mutant was equivalent to that of the wild-type in iron-treated mice, demonstrating that the GacA pathway in V. vulnificus regulates the virulence of this organism in an iron-dependent manner...
- Temperature-dependent inhibition of opportunistic Vibrio pathogens by native coral commensal bacteriaBeck R Frydenborg
Microbiology and Cell Science Department, University of Florida IFAS, Gainesville, FL, 32611, USA
Microb Ecol 67:392-401. 2014..These results provide insight into potential mechanisms through which elevated temperature may select for pathogenic bacterial dominance and lead to disease or a decrease in coral fitness. ..
- Malyngolide from the cyanobacterium Lyngbya majuscula interferes with quorum sensing circuitrySergey Dobretsov
Department of Marine Science and Fisheries, College of Agricultural and Marine Sciences, Sultan Qaboos University, Sultanate of Oman Soil and Water Science Department, Genetics Institute, University of Florida, Gainesville, FL, USA Smithsonian Marine Station, Fort Pierce, FL, USA
Environ Microbiol Rep 2:739-44. 2010..6 ± 1.8 µM) Las QS-dependent production of elastase by P. aeruginosa PAO1. We propose that this QS inhibitor plays a role in controlling interactions of heterotrophic bacteria associated with the cyanobacterium L. majuscula...
- Utilization of mucus from the coral Acropora palmata by the pathogen Serratia marcescens and by environmental and coral commensal bacteriaCory J Krediet
University of Florida, Gainesville, 32611, USA
Appl Environ Microbiol 75:3851-8. 2009..After overnight incubation on mucus, enzymatic activities in a white pox pathogen were most similar to those in pathogenic Serratia strains isolated from human mucosal surfaces...
- Spontaneous non-rdar mutations increase fitness of Salmonella in plantsWilliam J Zaragoza
Department of Microbiology and Cell Science, University of Florida IFAS, Gainesville, Florida, USA
Environ Microbiol Rep 4:453-8. 2012....
- Luminescent reporters and their applications for the characterization of signals and signal-mimics that alter LasR-mediated quorum sensingAli Alagely
Soil and Water Sciences Department, Genetics Institute, Institute of Food and Agricultural Sciences IFAS, University of Florida, Gainesville, FL, USA
Methods Mol Biol 692:113-30. 2011..To test the usefulness of these reporters, we carried out bioassays with patulin, a known inhibitor of Las QS...
- Effects of AiiA-mediated quorum quenching in Sinorhizobium meliloti on quorum-sensing signals, proteome patterns, and symbiotic interactionsMengsheng Gao
Department of Soil and Water Sciences, 2159 McCarty Hall A, Institute of Food and Agricultural Sciences IFAS, University of Florida, Gainesville 32611 0290, USA
Mol Plant Microbe Interact 20:843-56. 2007..This suggests some structural similarity between bacterial AHLs and these mimic compounds. It also indicates that quorum quenching could be useful in identifying Sinorhizobium genes that are affected by such host QS mimics in planta...
- Pathways leading from BarA/SirA to motility and virulence gene expression in SalmonellaMax Teplitski
Department of Microbiology, The Ohio State University, Columbus, Ohio 43210 1292, USA
J Bacteriol 185:7257-65. 2003..We propose a model in which SirA directly activates virulence expression via hilA and hilC while repressing the flagellar regulon indirectly via csrB...
- A LuxR homolog controls production of symbiotically active extracellular polysaccharide II by Sinorhizobium melilotiBrett J Pellock
Department of Biology, Massachusetts Institute of Technology, Cambridge, Massachusetts 02139, USA
J Bacteriol 184:5067-76. 2002..High-pressure liquid chromatographic fractionation of S. meliloti culture filtrate extracts revealed at least three peaks with AHL activity, one of which activated ExpR-dependent expression of the expE operon...
- Proteomic analysis of wild-type Sinorhizobium meliloti responses to N-acyl homoserine lactone quorum-sensing signals and the transition to stationary phaseHancai Chen
Genomic Interactions Group, Research School for Biological Sciences, Australian National University, Canberra, Australia
J Bacteriol 185:5029-36. 2003..meliloti and help to establish proteomic analysis as a powerful global approach to the identification of quorum-sensing regulatory patterns in wild-type bacteria...
- Chlamydomonas reinhardtii secretes compounds that mimic bacterial signals and interfere with quorum sensing regulation in bacteriaMax Teplitski
ARC Centre of Excellence for Integrative Legume Research Genomics Interaction Group, Research School of Biological Sciences, Australian National University, Canberra, Australian Capitol Territory 2601, Australia
Plant Physiol 134:137-46. 2004....
- Extensive and specific responses of a eukaryote to bacterial quorum-sensing signalsUlrike Mathesius
Genomic Interactions Group, Research School of Biological Sciences, Australian National University, GPO Box 475, Canberra ACT 2601, Australia
Proc Natl Acad Sci U S A 100:1444-9. 2003..Our results indicate that eukaryotes have an extensive range of functional responses to AHLs that may play important roles in the beneficial or pathogenic outcomes of eukaryote-prokaryote interactions...