Search Results - "Sheppard, S K"

Advances in Molecular Ecology: Tracking Trophic Links through Predator-Prey Food-Webs by Sheppard, S. K., Harwood, J. D.

“…1. It is not always possible to track trophic interactions between predators and prey by direct observation. This is especially true when observing small or…”
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Detection of secondary predation by PCR analyses of the gut contents of invertebrate generalist predators by SHEPPARD, S. K., BELL, J., SUNDERLAND, K. D., FENLON, J., SKERVIN, D., SYMONDSON, W. O. C.

“…Predation by generalist predators is difficult to study in the field because of the complex effects of positive and negative interactions within and between…”
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Molecular detection of predation by soil micro-arthropods on nematodes by READ, D. S., SHEPPARD, S. K., BRUFORD, M. W., GLEN, D. M., SYMONDSON, W. O. C.

“…The relative importance of the factors driving change in the population dynamics of nematodes in the soil is almost completely unknown. Top‐down control by…”
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Identifying the seasonal origins of human campylobacteriosis by STRACHAN, N. J. C., ROTARIU, O., SMITH-PALMER, A., COWDEN, J., SHEPPARD, S. K., O'BRIEN, S. J., MAIDEN, M. C. J., MACRAE, M., BESSELL, P. R., MATTHEWS, L., REID, S. W. J., INNOCENT, G. T., OGDEN, I. D., FORBES, K. J.

“…Human campylobacteriosis exhibits a distinctive seasonality in temperate regions. This paper aims to identify the origins of this seasonality. Clinical…”
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Campylobacter genotypes from poultry transportation crates indicate a source of contamination and transmission by Hastings, R, Colles, F.M, McCarthy, N.D, Maiden, M.C.J, Sheppard, S.K

“…Aims: Crates used to transport live poultry can be contaminated with Campylobacter, despite periodic sanitization, and are potential vectors for transmission…”
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MLST clustering of Campylobacter jejuni isolates from patients with gastroenteritis, reactive arthritis and Guillain-Barré syndrome by Nielsen, L.N, Sheppard, S.K, McCarthy, N.D, Maiden, M.C.J, Ingmer, H, Krogfelt, K.A

“…To determine the diversity and population structure of Campylobacter jejuni (C. jejuni) isolates from Danish patients and to examine the association between…”
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Multi‐locus sequence types of Campylobacter carried by flies and slugs acquired from local ruminant faeces by Sproston, E.L., Ogden, I.D., MacRae, M., Forbes, K.J., Dallas, J.F., Sheppard, S.K., Cody, A., Colles, F., Wilson, M.J., Strachan, N.J.C.

“…Aims:  To assess whether flies and slugs acquire strains of Campylobacter jejuni and Campylobacter coli present in local ruminant faeces. Methods and Results: …”
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Infiltration by alien predators into invertebrate food webs in Hawaii: a molecular approach by SHEPPARD, S. K., HENNEMAN, M. L., MEMMOTT, J., SYMONDSON, W. O. C.

“…Alien invertebrate predators have been introduced to Hawaii to control pests, particularly in lowland areas where most crops are grown. We developed techniques…”
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Direct mass spectrometric measurement of gases in soil monoliths by Sheppard, S.K., Lloyd, D.

“…An integrated approach to gas analysis in soil cores was conducted to provide a novel method for observing the gas dynamics associated with upland soil…”
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Persistent Staphylococcus aureus isolates from two independent cases of bacteremia display increased bacterial fitness and novel immune evasion phenotypes by Richards, R L, Haigh, R D, Pascoe, B, Sheppard, S K, Price, F, Jenkins, D, Rajakumar, K, Morrissey, J A

“…Staphylococcus aureus bacteremia cases are complicated by bacterial persistence and treatment failure despite the confirmed in vitro susceptibility of the…”
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The impact of sludge amendment on gas dynamics in an upland soil: monitored by membrane inlet mass spectrometry by Sheppard, S.K., Gray, N., Head, I.M., Lloyd, D.

“…Studies of the land disposal of biosolids and municipal sewage have focused largely on the potential pollution of the soil with pathogens, toxic compounds or…”
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Effects of soil amendment on gas depth profiles in soil monoliths using direct mass spectrometric measurement by Sheppard, S.K., Lloyd, D.

“…Land use and agricultural practices are known to influence the source and sink concentrations of various gases, including greenhouse gases (NO x ,CH 4 and CO…”
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Evaluation of temperature gradient gel electrophoresis for the analysis of prey DNA within the guts of invertebrate predators by Harper, G L, Sheppard, S K, Harwood, J D, Read, D S, Glen, D M, Bruford, M W, Symondson, W O C

“…The utility of temperature gradient gel electrophoresis (TGGE) as a means of analysing the gut contents of predators was evaluated. Generalist predators…”
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The impact of sludge amendment on methanogen community structure in an upland soil by Sheppard, S.K., McCarthy, A.J., Loughnane, J.P., Gray, N.D., Head, I.M., Lloyd, D.

“…In the EU, municipal sewage sludge application to agricultural land has increased dramatically since the ban on dumping at sea came into effect in 1998. There…”
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A High-resolution Fast Spin-echo Inversion-recovery Sequence for Preoperative Localization of the Internal Globus Pallidus by Reich, Caroline A, Hudgins, Patricia A, Sheppard, Scott K, Starr, Philip A, Bakay, Roy A.E

“…A fast spin-echo inversion-recovery (FSE-IR) sequence is described for its utility regarding surgical planning for patients with Parkinson's disease (PD) who…”
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Pre- and postoperative MR evaluation of stereotactic pallidotomy by Cohn, MC, Hudgins, PA, Sheppard, SK, Starr, PA, Bakay, RA

“…Stereotactic pallidotomy, which has evolved as a result of technological advances in high-resolution MR imaging and microelectrode electrophysiological…”
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T2-weighted three-dimensional turbo spin-echo MR of intracranial aneurysms by Rubinstein, D, Sandberg, EJ, Breeze, RE, Sheppard, SK, Perkins, TG, Cajade-Law, AG, Simon, JH

“…A T2-weighted three-dimensional turbo spin-echo sequence is described that accurately depicted the anatomy of 18 intracranial aneurysms in 10 patients…”
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Color map of contrast enhancement on MR images: use of desktop computers by Carpenter, WA, Stiles, RG, Sheppard, SK

“…An alternative method of presenting and evaluating unenhanced and contrast-enhanced MR images is illustrated. We used a desktop computer and commercially…”
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Mass spectrometric monitoring of gas dynamics in peat monoliths: effects of temperature and diurnal cycles on emissions by Beckmann, Manfred, Sheppard, Samuel Keir, Lloyd, David

“…Membrane inlet mass spectrometry was used to monitor dissolved gas concentrations and gas exchange rates of CO 2, CH 4 and O 2 in peat cores from three very…”
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Effects of soil improvement treatments on bacterial community structure and soil processes in an upland grassland soil by Gray, Neil D., Hastings, Richard C., Sheppard, Samuel K., Loughnane, Paul, Lloyd, David, McCarthy, Alan J., Head, Ian M.

“…Temporal temperature gradient electrophoresis (TTGE) analysis of 16S rRNA gene fragments amplified with primers selective for eubacteria and β-proteobacterial…”
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