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Listar por palabra clave "Bacterium"

Mostrando ítems 1-10 de 10

Candidatus Liberibacter solanacearum: detection, characterization, new hosts and epidemiology in Spain

Ribeiro Teresani, Gabriela (Universitat Politècnica de València, 2015-12-11)

‘Candidatus Liberibacter solanacearum’ is a α-Proteo bacteria, Gram-negative, restricted to plant phloem and to the haemolymph of psyllids that act as vectors. This emerging bacterium has been associated with different ...
Composition of free and adherent ruminal bacteria: inaccuracyof the microbial nutrient supply estimates obtained using freebacteria as reference samples and 15N as the marker

González, J; Arroyo, J.M.; Ouarti, M; Guevara-González, J.; Rodríguez, C.A.; Alvir, M.R.; Moya Salvador, Vicente Javier; Piquer Querol, Olga (Cambridge University Press, 2012)

Previous studies have indicated that 15N enrichment of solid-associated bacteria (SAB) may be predicted from the same value in liquid-associated bacteria (LAB). The aims of this study were to confirm this and to measure ...
Effect of pH and nitrite concentration on nitrite oxidation rate

Jiménez Douglas, Emérita; Giménez García, Juan Bautista; Ruano García, María Victoria; FERRER, J.; Serralta Sevilla, Joaquín (Elsevier, 2011-07-29)

The effect of pH and nitrite concentration on the activity of the nitrite oxidizing bacteria (NOB) in an activated sludge reactor has been determined by means of laboratory batch experiments based on respirometric techniques. ...
Heat Treatment Effects on the Antimicrobial Activity of Macrolide and Lincosamide Antibiotics in Milk

Zorraquino Lozano, Miguel Angel; Althaus, R. L.; Roca Marugán, Marta Isabel; Molina Pons, Mª Pilar (International Association for Food Protection, 2011-02)

[EN] Aims: In this study, a microbiological method of dichotomous response using Bacillus cereus was designed and optimized to detect tetracyclines (TCs) at concentrations near to the maximum residue limits (MRLs). Methods ...
Influence of season and geography on Campylobacter jejuni and C. coli subtypes in housed broiler flocks reared in Great Briatin

Jorgensen, F.; Ellis-Iversen, J.; Rushton, S.; Bull, S. A.; Harris, S. A.; Bryan, S. J.; González Pellicer, Ana; Humphrey, T. J. (American Society for Microbiology, 2011)

[EN] Geographical and seasonal variation in the incidence and prevalence of Campylobacter jejuni and C. coli in housed broiler flocks reared in Great Britain in 2004 to 2006 was investigated in this study. Ceca (30) from ...
Isolation an didentification of actinomycetes from a compost-anended soil with potetial as biocontrol agents

Cuesta Amat, Gonzalo; García de la Fuente, Rosana; Abad Berjón, Manuel; Fornes Sebastiá, Fernando (Elsevier, 2012-03)

The search for new biocontrol strategies to inhibit the growth of phytopathogenic microorganisms has become widely widespread due to environmental concerns. Among actinomycetes, Streptomyces species have been extensively ...
Isolation of a new Mexican strain of Bacillus subtilis with antifungal and antibacterial activities

Basurto Cadena, María Guadalupe Lucía; Vázquez Arista, Manuel; García Jiménez, José; Salcedo Hernandez, R.; Bideshi, D.K.; Barboza Corona, J.E. (Hindawi Publishing Corporation, 2012)

[EN] Although several strains of B. subtilis with antifungal activity have been isolated worldwide, to date there are no published reports regarding the isolation of a native B. subtilis strain from strawberry plants in ...
Metabolic shift of polyphosphate-accumulating organisms with different levels of polyphosphate storage

Acevedo, B.; Oehmen, A.; Carvalho, G.; Seco, A.; Borras, L.; Barat Baviera, Ramón (Elsevier, 2012)

Previous studies have shown that polyphosphate-accumulating organisms (PAOs) are able to behave as glycogen-accumulating organisms (GAOs) under different conditions. In this study we investigated the behavior of a culture ...
Specific detection of viable Listeria monocytogenes in Spanish wastewater treatment plants by Fluorescent In Situ Hybridization and PCR

Moreno Trigos, Mª Yolanda; Ballesteros, Lorena; García Hernández, Jorge; Santiago Cuéllar, Paula; González Pellicer, Ana; Ferrús Pérez, Mª Antonia (IWA Publishing, 2011-10)

Listeria monocytogenes detection in wastewater can be difficult because of the large amount of background microbiota and the presence of viable but non-culturable forms in this environment. The aim of this study was to ...
Use chemometric techniques in the optimization of a specific bioassay for betalactams in milk

Nagel, Orlando Guillermo; Molina Pons, Mª Pilar; Althaus, Rafael Lisandro (Wiley, 2012-01)

Aims: A microbiological bioassay using Geoacillus stearothermophilus was optimized to detect betalactams at concentrations near to the Maximum Residue Limits (MRLs), with low cross-specificity for tetracycline. Methods and ...