Bythell, John - Newcastle University

研究领域

Large-scale coral bleaching episodes were unknown prior to 1979 but have become more frequent and culminated in 1998 with an event that caused mass mortality on coral reefs across much of the Indian Ocean. These events are linked to environmental stress, particularly temperature increases, and in addition to the local and regional loss of biodiversity, may represent the first case of the collapse of an ecosystem due to global climate change. Coral bleaching is consequently the focus of major initiatives supported by the World Bank and UNESCO. Concurrent with these mass bleaching events, there has been widespread concern over the emergence of coral diseases over the past three decades. Reef core data from Belize indicates that the mass mortality of two of the dominant coral species in the Caribbean is unprecedented in at least the last 3000 years, which suggests a link to anthropogenic activities. Unfortunately, identification and characterisation of the causal agents of most coral diseases remains unresolved or poorly characterised. My research group addresses these areas by applying molecular approaches to understanding microbial ecology of corals and coral reefs.

近期论文

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Sweet MJ, Bythell JC. The role of viruses in coral health and disease. Journal of Invertebrate Pathology 2016, Epub ahead of print. Miller J, Sweet MJ, Wood E, Bythell JC. Baseline coral disease surveys within three marine parks in Sabah, Borneo. PeerJ 2015, 3, e1391. Smith D, Leary P, Craggs J, Bythell J, Sweet M. Microbial Communities Associated with Healthy and White Syndrome-Affected Echinopora lamellosa in Aquaria and Experimental Treatment with the Antibiotic Ampicillin. PLoS ONE 2015, 10(3), e0121780. Sweet MJ, Bythell JC. White Syndrome in Acropora muricata: nonspecific bacterial infection and ciliate histophagy. Molecular Ecology 2015, 24(5), 1150-1159. Sweet MJ, Croquer A, Bythell JC. Experimental antibiotic treatment identifies potential pathogens of white band disease in the endangered Caribbean coral Acropora cervicornis. Proceedings of the Royal Society B 2014, 281(1788), 20140094. Sweet MJ, Bythell JC, Nugues MM. Algae as Reservoirs for Coral Pathogens. PLoS ONE 2013, 8(7), e69717. Sweet M, Craggs J, Robson J, Bythell JC. Assessment of the microbial communities associated with white syndrome and brown jelly syndrome in aquarium corals. Journal of Zoo and Aquarium Research 2013, 1(1), 20-27. Sweet MJ, Smith D, Bythell JC, Craggs J. Changes in microbial diversity associated with two coral speciesrecovering from a stressed state in a public aquarium system. Journal of Zoo and Aquarium Research 2013, 1(2), 52-60. Sweet MJ, Bythell JC. Ciliate and bacterial communities associated with White Syndrome and Brown Band Disease in reef-building corals. Environmental Microbiology 2012, 14(8), 2184-2199. Sweet MJ, Jones R, Bythell JC. Coral diseases in aquaria and in nature. Journal of the Marine Biological Association of the UK 2012, 92(4), 791-801. Palmer CV, Bythell JC, Willis BL. Enzyme activity demonstrates multiple pathways of innate immunity in Indo-Pacific anthozoans. Proceedings of the Royal Society B: Biological Sciences 2012, 279(1743), 3879-3887. Sweet MJ, Kirkham N, Bendall M, Currey L, Bythell JC, Heupel M. Evidence of Melanoma in Wild Marine Fish Populations. PLoS ONE 2012, 7(8), e41989. Palmer CV, Bythell JC, Willis BL. A comparative study of phenoloxidase activity in diseased and bleached colonies of the coral Acropora millepora. Developmental & Comparative Immunology 2011, 35(10), 1098-1101. Sweet MJ, Croquer A, Bythell JC. Bacterial assemblages differ between compartments within the coral holobiont. Coral Reefs 2011, 30(1), 39-52. Bythell JC, Wild C. Biology and ecology of coral mucus release. Journal of Experimental Marine Biology and Ecology 2011, 408(1-2), 88-93. Wild C, Hoegh-Guldberg O, Naumann M, Colombo-Pallotta MF, Fitt W, Ateweberhan M, Iglesias-Prieto R, Palmer C, Bythell JC, Ortiz JC, Loya Y, van Woesik R. Climate change impedes scleractinian corals as primary reef ecosystem engineers. Marine and Freshwater Research 2011, 62(2), 205-215. Palmer CV, Traylor-Knowles NG, Willis BL, Bythell JC. Corals use similar immune cells and wound-healing processes as those of higher organisms. PLoS One 2011, 6(8), e23992. Sweet MJ, Croquer A, Bythell JC. Development of bacterial biofilms on artificial corals in comparison to surface-associated microbes of hard corals. PLoS One 2011, 6(6), e21195. Sweet MJ, Croquer A, Bythell JC. Dynamics of bacterial community development in the reef coral Acropora muricata following experimental antibiotic treatment. Coral Reefs 2011, 30(4), 1121-1133. Jatkar AA, Brown BE, Bythell JC, Guppy R, Morris NJ, Pearson JP. Measuring mucus thickness in reef corals using a technique devised for vertebrate applications. Marine Biology 2010, 157(2), 261-267. Pantos O, Bythell JC. A novel reef coral symbiosis. Coral Reefs 2010, 29(3), 761-770. Jatkar AA, Brown BE, Bythell JC, Guppy R, Morris NJ, Pearson JP. Coral Mucus: The Properties of Its Constituent Mucins. Biomacromolecules 2010, 11(4), 883-888. Palmer CV, Bythell JC, Willis BL. Levels of immunity parameters underpin bleaching and disease susceptibility of reef corals. FASEB Journal 2010, 24(6), 1935-1946. Sweet M, Croquer A, Bythell J. Temporal and Spatial Patterns in Waterborne Bacterial Communities of an Island Reef System. Aquatic Microbial Ecology 2010, 61(1), 1-11. Heidelberg KB, O'Neil KL, Bythell JC, Sebens KP. Vertical distribution and diel patterns of zooplankton abundance and biomass at Conch Reef, Florida Keys (USA). Journal of Plankton Research 2010, 32(1), 75-91.