Publications

* indicates joint first authorship

2017

Thorell K*, Yahara K*, Berthenet E, Lawson DJ, Kato I, Tenorio Mendez A, Rizzato C, Mercedes Bravo M, Suzuki R, Yamaoka Y, Torres J, Sheppard SK, Falush D. (2017) Rapid evolution of distinct Helicobacter pylori subpopulations in the Americas. PLoS Genetics (in press)

Esson D, Gupta S, Bailey D, Wigley P, Wedley A, Matherd AE, Méric G, Mastroeni P, Sheppard SK, Thomson NR, Parkhill J, Maskell D, Christie G, Grant AJ. (2017) Identification and initial characterisation of a protein involved in Campylobacter jejuni cell shape. Microbial Pathogenesis 104:202–211 [Publisher]

Bayliss SC, Verner-Jeffreys DW, Bartie KL, Aanensen DM, Sheppard SK, Adams A, Feil EJ. (2017) The Promise of Whole Genome Pathogen Sequencing for the Molecular Epidemiology of Emerging Aquaculture Pathogens. Frontiers in Microbiology doi.org/10.3389/fmicb.2017.00121 [Publisher]

Vale FF, Nunes A, Oleastro M, Gomes JP, Sampaio DA, Rocha R, Vítor JMB, Engstrand L, Pascoe B, Berthenet E, Sheppard SK, Hitchings MD, Mégraud F, Vadivelu J, Lehours P (2017) Genomic structure and insertion sites of Helicobacter pylori prophages from various geographical origins. Scientific Reports (in press).

Thepault A, Méric G, Rivoal K, Pascoe B, Mageiros L, Touzain F, Rose V, Beven V, Chemaly M, Sheppard SK. (2017) Genome-wide identification of host-segregating epidemiological markers for source attribution in Campylobacter jejuni. Applied and Environmental Microbiology. (in press) [PubMed].

Post V, Harris L, Morgenstern M, Richards RG, Sheppard SK, Moriarty F. (2017) Characterisation of nasal methicillin-resistant Staphylococcus aureus isolated from international human and veterinary surgeons. Journal of Medical Microbiology (in press) [Publisher].

Yahara K*, Méric G*, Taylor AJ, de Vries SP, Murray S, Pascoe B, Mageiros L, Torralbo A, Vidal A, Ridley AM, Komukai S, Wimalarathna H, Cody AJ, Colles FM, McCarthy ND, Harris D, Bray JE, Jolley KA, Maiden MC, Bentley SD, Parkhill J, Bayliss CD, Grant AJ, Maskell D, Didelot X, Kelly DJ, Sheppard SK. (2017) Genome-wide association of functional traits linked with Campylobacter jejuni survival from farm to fork. Environmental Microbiology 19(1):361–380. [Publisher].

Vinatzer B, Weisberg A, Monteil CL, Elmarakeby HA, Sheppard SK, Heath LS. (2017) A proposal for a genome similarity-based taxonomy for plant pathogenic bacteria that is sufficiently precise to reflect phylogeny, host range, and outbreak affiliation applied to Pseudomonas syringae sensu lato as a proof of concept. Phytopathology  Volume 107(1):18-28 [Publisher].

2016

Pascoe B, Meric G, Yahara K, Wimaralathna H, Murray S, Hitchings MD, Sproston EL, Carrillo CD, Taboada EN, Cooper KK, Huynh S, Cody AJ, Jolley KA, Maiden MC, McCarthy ND, Didelot X, Parker C, Sheppard SK. (2016) Local genes for local bacteria: evidence of allopatry in the genomes of transatlantic Campylobacter populations. PeerJ Preprints 4:e2638v1 [Pre-print]

Esson D, Mather AE, Scanlan E, Gupta S, de Vries SPW, Bailey D, Harris SR, McKinley TJ, Méric G, Berry SK, Mastroeni P, Sheppard SK, Christie G, Thomson NR, Parkhill J, Maskell D, Grant AJ. (2016) Genomic variations leading to alterations in cell morphology of Campylobacter spp. Scientific Reports 6:38303. [Publisher].

Woodcock DJ, Krusche P, Strachan NJC, Forbes KJ, Cohan FM, Méric G, Sheppard SK. (2016) Genomic plasticity and rapid host switching promote the evolution of generalism in the zoonotic pathogen Campylobacter. bioRxiv 080077; doi:10.1101/080077 [Pre-print].

Monteil CL, Yahara K, Studholme DJ, Mageiros L, Méric G, Swingle B, Morris CE, Vinatzer BA, Sheppard SK. (2016) Population-genomic insights into emergence, crop-adaptation, and dissemination of Pseudomonas syringae pathogens. Microbial Genomics 2(10): doi:10.1099/mgen.0.000089 [Publisher].

McNally A, Oren Y, Kelly D, Pascoe B, Dunn S, Sreecharan T, Vehkala M, Välimäki N, Prentice MB, Ashour A, Avram O, Pupko T, Dobrindt U, Literak I, Guenther S, Schaufler K, Wieler LH, Zhiyong Z, Sheppard SK, McInerney JO, Corander J. (2016) Combined Analysis of Variation in Core, Accessory and Regulatory Genome Regions Provides a Super-Resolution View into the Evolution of Bacterial Populations. PLoS Genetics 12(9): e1006280. doi: 10.1371/journal.pgen.1006280 [Publisher]

Connor TR, Loman NJ, Thompson S, Smith A, Southgate J, Poplawski R, Bull MJ, Richardson E, Ismail M, Elwood-Thompson S, Kitchen C, Guest M, Bakke M, Sheppard SK, Pallen MJ. (2016) CLIMB (the Cloud Infrastructure for Microbial Bioinformatics): an online resource for the medical microbiology community. Microbial Genomics 2(9): doi:10.1099/mgen.0.000086 [Publisher]

Berthenet ESheppard S, Vale FF. (2016) Recent “omics” advances in Helicobacter pyloriHelicobacter  21(S1):14–18. [Publisher]

Yana X, Li Z, Chlebowiczc MA, Tao X, Ni M, Hu Y, Li Z, Grundmann H, Murray S, Pascoe B, Sheppard SK, Bo X, Maarten van Dijl J, Du P, Zhang M, You Y, Yu X, Meng F, Wang S, Zhang J. (2016) Genetic features of livestock-associated Staphylococcus aureus ST9 isolates from Chinese pigs that carry the lsa(E) gene for quinupristin/dalfopristin resistance. International Journal of Medical Microbiology 306(8):722–729 [Publisher]

Thorell K, Yahara K, Berthenet E, Lawson DJ, Kato I, Tenorio Mendez A, Canzian F, Mercedes Bravo M, Suzuki R, Yamaoka Y, Torres J, Sheppard SK, Falush D. (2016) Rapid evolution of distinct Helicobacter pylori subpopulations in the Americas. bioRxiv [Publisher]

Culebro A, Revez J, Pascoe B, Friedmann Y, Hitchings MD, Stupak J, Sheppard SK, Li J, Rossi M. (2016) Large sequence diversity within biosynthesis locus and common biochemical features of Campylobacter coli lipooligosaccharides. Journal of Bacteriology 198(20):2829-40. [Publisher]

Sankar A, Malone B, Bayliss SC, Pascoe B, Méric G, Hitchings MD, Sheppard SK, Feil EJ, Corander J, Honkela A. (2016) Bayesian identification of bacterial strains from sequencing data. Microbial Genomics 2(8): doi:10.1099/mgen.0.000075 [Publisher]

Gilbert MJ, Miller WG, Yee E, Zomer AL, van der Graaf-van Bloois L, Fitzgerald C, Forbes KJ, Méric G, Sheppard SK, Wagenaar JA, Duim B. (2016) Comparative Genomics of Campylobacter fetus from Reptiles and Mammals Reveals Divergent Evolution in Host-Associated Lineages. Genome Biology and Evolution. 2;8(6):2006-19. [Pubmed]

Méric G, Hitchings MD, Pascoe B, Sheppard SK. (2016) From Escherich to the Escherichia coli genome. The Lancet Infectious Diseases 16(6):634–636. [Publisher]

Mainda G, Lupolova N, Sikakwa L, Bessell PR, Muma JB, Hoyle DV, McAteer SP, Gibbs K, Williams NJ, Sheppard SK, La Ragione RM, Cordoni G, Argyle SA, Wagner S, Chase-Topping ME, Dallman TJ, Stevens MP, Bronsvoort BM, Gally DL. Phylogenomic approaches to determine the zoonotic potential of Shiga toxin-producing Escherichia coli (STEC) isolated from Zambian dairy cattle. Scientific Reports. 25(6):26589. [Publisher]

Numminen E, Gutmann MU, Shubin M, Marttinen P, Méric G, van Schaik W, Coque T, Baquero F, Willems R, Sheppard SK, Feil EJ, Hanage WP, Corander J. (2016) The impact of host metapopulation structure on the population genetics of colonizing bacteria. Journal of Theoretical Biology 396:53-62. [Publisher]

Harris LG, Murray S, Pascoe B, Bray J, Meric G, Mageiros L, Wilkinson TS, Jeeves R, Rohde H, Schwarz S, de Lencastre H, Miragaia M, Rolo J, Bowden R, Jolley KA, Maiden MC, Mack D, Sheppard SK. (2016) Biofilm Morphotypes and Population Structure among Staphylococcus epidermidis from Commensal and Clinical Samples. PLoS One 11(3):e0151240. [Pubmed]

2015

Jackson E, Ogrodzki P, Pascoe B, Sheppard SK, Forsythe S. (2015) Draft Genome Sequence of an Enterobacter Species Associated with Illnesses and Powdered Infant Formula. Genome Announcements 4(1):e01479-15. [Publisher]

Yahara K, Didelot X, Jolley KA, Kobayashi I, Maiden MC, Sheppard SK, Falush D. (2015) The landscape of realized homologous recombination in pathogenic bacteria. Molecular Biology and Evolution 33(2):456-71. [Pubmed]

Pascoe B, Méric G, Murray S, Mageiros L, Yahara K, Bowen R, Jones NH, Jeeves RE, Lappin-Scott HM, Asakura H, Sheppard SK. (2015) Enhanced biofilm formation evolves from divergent genetic backgrounds in host generalist Campylobacter jejuni. Environmental Microbiology 17(11):4779-89. [Pubmed]

Dearlove B, Cody A, Pascoe B, Méric G, Wilson D, Sheppard SK. (2015) Rapid host switching in generalist Campylobacter strains erodes the signal for tracing human infections. The ISME Journal 10(3):721-9. [Pubmed]

Facey P, Méric G, Hitchings MD, Pachebat JA, Hegarty MJ, Chen X, Morgan LVA, Hoeppner JE, Whitten MMA, Kirk WDJ, Dyson PJ, Sheppard SK, Del Sol R. (2015) Draft genomes, phylogenetic reconstruction and comparative genomics of two novel cohabiting bacterial symbionts isolated from Frankliniella occidentalis. Genome Biology and Evolution 7(8):2188-2202. [Publisher]

Richards RL, Haigh RD, Pascoe B, Sheppard SK, Price F, Jenkins D, Rajakumar K, Morrissey JA. (2015) Persistent Staphylococcus aureus isolates from two independent bacteraemia display increased bacterial fitness and novel immune evasion phenotypes. Infection and Immunity 83(8):3311-24. [Publisher]

Sheppard SK, Maiden MCJ. (2015) The Evolution of Campylobacter jejuni and Campylobacter coli. Cold Spring Harbor Perspectives in Biology 7(8):a018119. [Pubmed]

Méric G, Miragaia M, de Been M, Yahara K, Pascoe B, Mageiros L, Mikhail J, Harris LG, Wilkinson TS, Rolo J, Lamble S, Bray JE, Jolley KA, Hanage WP, Bowden R, Maiden MCJ, Mack D, de Lencastre H, Feil EJ, Corander J, Sheppard SK (2015) Ecological overlap and horizontal gene transfer in Staphylococcus aureus and Staphylococcus epidermidis. Genome Biology and Evolution 7(5):1313-1328.[Publisher]

Morley L, McNally A, Paszkiewicz K, Corander J, Méric G, Sheppard SK, Blom J, Manning G. (2015) Gene loss and lineage specific restriction-modification systems associated with niche differentiation in the Campylobacter jejuni Sequence Type 403 clonal complex. Applied and Environmental Microbiology 81(11):3641-7. [Pubmed]

Torralbo A, Borge C, Garcia-Bocanegra I, Méric G, Perea A, Carbonero A (2015) Higher resistance of Campylobacter coli compared to Campylobacter jejuni at chicken slaughterhouse. Comparative Immunology, Microbiology and Infectious Diseases 39:47-52. [Publisher]

Searle LJ*, Méric G*, Porcelli I, Sheppard SK, Lucchini S. (2015) Variation in siderophore biosynthetic gene distribution and production across environmental and faecal populations of Escherichia coli. Plos One 10(3):e0117906 [Publisher]

Baily JL, Méric G, Bayliss S, Foster G, Moss SE, Watson E, Pascoe B, Mikhail J, Pizzi R, Goldstone RJ, Smith DG, Willoughby K, Hall AJ, Sheppard SK*, Dagleish MP*. (2015) Evidence of land-sea transfer of the zoonotic pathogen Campylobacter to a wildlife marine sentinel species. Molecular Ecology 24(1):208-221. [Pubmed]

2014

Farhat M, Shapiro BJ, Sheppard SK, Colijn C, Murray M. (2014) A phylogeny-based sampling strategy and power calculator informs genome-wide associations study design for microbial pathogens. Genome Medicine 6:101. [Publisher]

Sheppard SK, Cheng L, Méric G, de Haan CPA, Llarena A-K, Marttinen P, Vidal A, Ridley A, Clifton-Hadley F, Connor TR, Strachan NJC, Forbes K, Colles FM, Jolley KA, Bentley SD, Maiden MCJ, Hänninen M-L, Parkhill J, Hanage WP, Corander J. (2014) Cryptic ecology among host generalist Campylobacter jejuni in domestic animals. Molecular Ecology 23(10):2442–2451. [Publisher]

Meric G, Yahara K, Mageiros L, Pascoe B, Maiden MCJ, Jolley KA, Sheppard SK. (2014) A reference pan-genome approach to comparative bacterial genomics: identification of novel epidemiological markers in pathogenic Campylobacter. Plos One 9(3): e92798. [Publisher]

Yahara K, Didelot X, Ansari MA, Sheppard SK and Falush D. (2014) Efficient inference of recombination hot regions in bacterial genomes. Molecular Biology and Evolution 31(6): 1593–1605. [Pubmed]

Torralbo A, Borge C, Allepuz A, García-Bocanegra I, Sheppard SK, Perea A, Carbonero A. (2014) Prevalence and risk factors of Campylobacter infection in broiler flocks from southern Spain. Preventive Veterinary Medicine 114(2):106-13. [Pubmed]

Sheppard SK, Méric G.(eds.) Campylobacter Ecology and Evolution, Caister Academic Press, April 2014, c.350 pages [Publisher][PDF information][Amazon] ISBN: 978-1-908230-36-2.

Brisse S, Brehony C, Conceição T, Cubero M, Glasner C, Le Gouil M, Renvoisé A, Sheppard S, Weinert L. (2014) Microbial molecular markers and epidemiological surveillance in the era of high throughput sequencing: an update from the IMMEM-10 Conference. Research in Microbiology 165(2):140-53 [PubMed]

2013

Strachan NJ, Rotariu O, Macrae M, Sheppard SK, Smith-Palmer A, Cowden J, Maiden MC, Forbes KJ. (2013) Operationalising factors that explain the emergence of infectious diseases: a case study of the human campylobacteriosis epidemic. PLoS One 8(11):e79331. [Pubmed]

Wimalarathna HML, Richardson JF, Lawson AJ, Elson R, Meldrum R, Little CL, Maiden MCJ, McCarthy ND, Sheppard SK. (2013) Widespread acquisition of antimicrobial resistance among Campylobacter isolates from UK retail poultry and evidence for clonal expansion of resistant lineages. BMC Microbiology 13:160. [Pubmed]

Sheppard SK, Didelot X, Meric G, Torralbo A, Jolley KA, Kelly DJ, Bentley SD, Maiden MCJ, Parkhill J, Falush D. (2013) Genome-wide association study identifies vitamin B5 biosynthesis as a host specificity factor in Campylobacter. PNAS 110(29):11923-7. [Pubmed]

Roux F, Sproston E, Rotariu O, MacRae M, Sheppard SK, Bessell P, Smith-Palmer A, Cowden J, Maiden MCJ, Forbes KJ, Strachan NJC. (2013) Elucidating the Aetiology of Human Campylobacter coli Infections. PLoS One 8(5):e64504. [Pubmed]

Sheppard SK, Didelot X, Jolley KA, Darling AE, Pascoe B, Meric G, Kelly DJ, Cody A, Colles FM, Strachan NJ, Ogden ID, Forbes K, French NP, Carter P, Miller WG, McCarthy ND, Owen R, Litrup E, Egholm M, Affourtit JP, Bentley SD, Parkhill J, Maiden MC, Falush D. (2013) Progressive genome-wide introgression in agricultural Campylobacter coli. Molecular Ecology 22(4):1051-64. [Pubmed]

Read DS, Woodcock DJ, Strachan NJ, Forbes KJ, Colles FM, Maiden MC, Clifton-Hadley F, Ridley A, Vidal A, Rodgers J, Whiteley AS, Sheppard SK. (2013) Evidence for phenotypic plasticity amongst multi-host Campylobacter jejuni and C. coli lineages using ribosomal MLST and Raman spectroscopy. Applied and Environmental Microbiolgy 79(3):965-73. [Pubmed]

2012

Asakura H, Brüggemann H, Sheppard SK, Ekawa T, Meyer TF, Yamamoto S, Igimi S. (2012) Molecular Evidence for the Thriving of Campylobacter jejuni ST-4526 in Japan. PLoS One 7(11):e48394. [Pubmed]

Strachan NJ, Rotariu O, Smith-Palmer A, Cowden J, Sheppard SK, O’Brien SJ, Maiden MC, Macrae M, Bessell PR, Matthews L, Reid SW, Innocent GT, Ogden ID, Forbes KJ. (2013) Identifying the seasonal origins of human campylobacteriosis. Epidemiology & Infection 141(6):1267-75. [Pubmed]

Nichols GL, Richardson JF, Sheppard SK, Lane C, Sarran C. (2012) Campylobacter epidemiology: a descriptive study reviewing 1 million cases in England and Wales between 1989 and 2011. BMJ Open 2(4). [Pubmed]

Didelot X, Meric G, Falush D, Darling AE. (2012) Impact of homologous and non-homologous recombination in the genomic evolution of Escherichia coli. BMC Genomics 13:256. [Pubmed]

Sheppard SK, Jolley KA, Maiden MCJ. (2012) A Gene-By-Gene Approach to Bacterial Population Genomics: Whole Genome MLST of Campylobacter. Genes 3(2):261-277. [Publisher]

Jolley KA, Bliss CM, Bennett JS, Bratcher HB, Brehony CM, Colles FM, Wimalarathna HM, Harrison OB, Sheppard SK, Cody AJ, Maiden MC. (2012) Ribosomal Multi-Locus Sequence Typing: universal characterisation of bacteria from domain to strain. Microbiology 158(Pt 4):1005-15. [Pubmed]

2011

Colles FM, Ali JS, Sheppard SK, McCarthy ND, Maiden MC. (2011) Campylobacter populations in wild and domesticated Mallard ducks (Anas platyrhynchos). Environmental Microbiology Reports 3(5):574-580. [Pubmed]

Sproston EL, Ogden ID, MacRae M, Dallas JF, Sheppard SK, Cody AJ, Colles FM, Wilson MJ, Forbes KJ, Strachan NJ. (2011) Temporal variation and host association in the Campylobacter population in a longitudinal ruminant farm study. Applied and Environmental Microbiology 77(18):6579-86. [Pubmed]

Sheppard SK, Colles FM, McCarthy ND, Strachan NJ, Ogden ID, Forbes KJ, Dallas JF, Maiden MC. (2011) Niche segregation and genetic structure of Campylobacter jejuni populations from wild and agricultural host species. Molecular Ecology 20(16):3484-90. [Pubmed]

Sheppard SK, McCarthy ND, Jolley KA, Maiden MC. (2011) Introgression in the genus Campylobacter: generation and spread of mosaic alleles. Microbiology 157(Pt 4):1066-74. [Pubmed]

Hastings R, Colles FM, McCarthy ND, Maiden MC, Sheppard SK. (2011) Campylobacter genotypes from poultry transportation crates indicate a source of contamination and transmission. Journal of Applied Microbiology 110(1):266-76. [Pubmed]

2010

Sheppard SK, Dallas JF, Wilson DJ, Strachan NJ, McCarthy ND, Jolley KA, Colles FM, Rotariu O, Ogden ID, Forbes KJ, Maiden MC. (2010) Evolution of an agriculture-associated disease causing Campylobacter coli clade: evidence from national surveillance data in Scotland. PLoS One 5(12):e15708. [Pubmed]

Sproston EL, Ogden ID, MacRae M, Forbes KJ, Dallas JF, Sheppard SK, Cody A, Colles F, Wilson MJ, Strachan NJ. (2010) Multi-locus sequence types of Campylobacter carried by flies and slugs acquired from local ruminant faeces. Journal of Applied Microbiology 109(3):829-38. [Pubmed]

Sheppard SK, Colles F, Richardson J, Cody AJ, Elson R, Lawson A, Brick G, Meldrum R, Little CL, Owen RJ, Maiden MC, McCarthy ND. (2010) Host association of Campylobacter genotypes transcends geographic variation. Applied and Environmental Microbiology 76(15):5269-77. [Pubmed]

Raymond B, Wyres KL, Sheppard SK, Ellis RJ, Bonsall MB. (2010) Environmental factors determining the epidemiology and population genetic structure of the Bacillus cereus group in the field. PLoS Pathogens 20;6(5):e1000905. [Pubmed]

Colles FM, McCarthy ND, Sheppard SK, Layton R, Maiden MC. (2010) Comparison of Campylobacter populations isolated from a free-range broiler flock before and after slaughter. International Journal of Food Microbiology 137(2-3):259-64. [Pubmed]

Nielsen LN, Sheppard SK, McCarthy ND, Maiden MC, Ingmer H, Krogfelt KA. (2010) MLST clustering of Campylobacter jejuni isolates from patients with gastroenteritis, reactive arthritis and Guillain-Barré syndrome. Journal of Applied Microbiology 108(2):591-9. [Pubmed]

Cody AJ, Colles FM, Sheppard SK, Maiden MC. (2010) Where does Campylobacter come from? A molecular odyssey. Advances in Experimental Medicine and Biology 659:47-56. [Pubmed]

2009

Ogden ID, Dallas JF, MacRae M, Rotariu O, Reay KW, Leitch M, Thomson AP, Sheppard SK, Maiden M, Forbes KJ, Strachan NJ. (2009) Campylobacter excreted into the environment by animal sources: prevalence, concentration shed, and host association. Foodborne Pathogens and Disease 6(10):1161-70. [Pubmed]

Rotariu O, Dallas JF, Ogden ID, MacRae M, Sheppard SK, Maiden MC, Gormley FJ, Forbes KJ, Strachan NJ. (2009) Spatiotemporal homogeneity of Campylobacter subtypes from cattle and sheep across northeastern and southwestern Scotland. Applied and Environmental Microbiology 75(19):6275-81. [Pubmed]

Sheppard SK, Dallas JF, MacRae M, McCarthy ND, Sproston EL, Gormley FJ, Strachan NJ, Ogden ID, Maiden MC, Forbes KJ. (2009) Campylobacter genotypes from food animals, environmental sources and clinical disease in Scotland 2005/6. International Journal of Food Microbiology 134(1-2):96-103. [Pubmed]

Sheppard SK, Dallas JF, Strachan NJ, MacRae M, McCarthy ND, Wilson DJ, Gormley FJ, Falush D, Ogden ID, Maiden MC, Forbes KJ. (2009) Campylobacter genotyping to determine the source of human infection. Clinical Infectious Diseases 48(8):1072-8. [Pubmed]

Strachan NJ, Gormley FJ, Rotariu O, Ogden ID, Miller G, Dunn GM, Sheppard SK, Dallas JF, Reid TM, Howie H, Maiden MC, Forbes KJ. (2009) Attribution of Campylobacter infections in northeast Scotland to specific sources by use of multilocus sequence typing. Journal of Infectious Diseases 199(8):1205-8. [Pubmed]

2008

Colles FM, Jones TA, McCarthy ND, Sheppard SK, Cody AJ, Dingle KE, Dawkins MS, Maiden MC. (2008) Campylobacter infection of broiler chickens in a free-range environment. Environmental Microbiology 10(8):2042-50. [Pubmed]

Sheppard SK, McCarthy ND, Falush D, Maiden MC. (2008) Convergence of Campylobacter species: implications for bacterial evolution. Science 320(5873):237-9. [Pubmed]

2002-2007

Harper GL, Sheppard SK, Harwood JD, Read DS, Glen DM, Bruford MW, Symondson WO. (2006) Evaluation of temperature gradient gel electrophoresis for the analysis of prey DNA within the guts of invertebrate predators. Bulletin of Entomological Research 96(3):295-304. [Pubmed]

Read DS, Sheppard SK, Bruford MW, Glen DM, Symondson WO. (2006) Molecular detection of predation by soil micro-arthropods on nematodes. Molecular Ecology 15(7):1963-72. [Pubmed]

Sheppard SK, Harwood JD. (2005) Advances in molecular ecology: tracking trophic links through predator-prey food-webs. Functional Ecology 19(5):751-62. [Publisher]

Sheppard SK, Bell J, Sunderland KD, Fenlon J, Skervin D, Symondson WO. (2005) Detection of secondary predation by PCR analyses of the gut contents of invertebrate generalist predators. Molecular Ecology 14(14):4461-8. [Pubmed]

Sheppard SK, Gray N, Head IM, Lloyd D. (2005) The impact of sludge amendment on gas dynamics in an upland soil: monitored by membrane inlet mass spectrometry. Bioresource Technology 96(10):1103-15. [Pubmed]

Foltan P, Sheppard S, Konvicka M, Symondson WO. (2005) The significance of facultative scavenging in generalist predator nutrition: detecting decayed prey in the guts of predators using PCR. Molecular Ecology 14(13):4147-58. [Pubmed]

Sheppard SK, Henneman ML, Memmott J, Symondson WO. (2004) Infiltration by alien predators into invertebrate food webs in Hawaii: a molecular approach. Molecular Ecology 13(7):2077-88. [Pubmed]

Gray ND, Hastings RC, Sheppard SK, Loughnane P, Lloyd D, McCarthy AJ, Head IM. (2003) Effects of soil improvement treatments on bacterial community structure and soil processes in an upland grassland soil. FEMS Microbiology Letters 46(1):11-22. [Pubmed]

Sheppard SK, Lloyd D. (2002) Effects of soil amendment on gas depth profiles in soil monoliths using direct mass spectrometric measurement. Bioresource Technology 84(1):39-47. [Pubmed]

Sheppard SK, Lloyd D. (2002) Direct mass spectrometric measurement of gases in soil monoliths.Journal of Microbiological Methods 50(2):175-88. [Pubmed]

Sheppard SK, Lloyd D. (2002) Diurnal Oscillations in Gas Production (O2, CO2, CH4, and N2) in Soil Monoliths. Biological Rhythm Research 33(5):577-91. [Publisher]