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Full-Text Articles in Pathogenic Microbiology
The Roles Of Microcystin And Sulfide In Physiology And Tactic Responses Of Pathogenic And Non-Pathogenic Mat-Forming Cyanobacteria, Abigael C. Brownell
The Roles Of Microcystin And Sulfide In Physiology And Tactic Responses Of Pathogenic And Non-Pathogenic Mat-Forming Cyanobacteria, Abigael C. Brownell
FIU Electronic Theses and Dissertations
Planktothricoides raciborskii and Roseofilum reptotaenium are physiologically similar, yet ecologically distinct organisms found in a hot spring outflow and coral black band disease (BBD), respectively. The aim of this study was to elucidate the relationship between R. reptotaenium and sulfide in BBD, to compare microcystin (MC) production in response to environmental factors, and to determine chemotactic responses to MC and sulfide by the two organisms. Results showed that the pathogenicity of R. reptotaenium in BBD is dependent on sulfate-reducing bacteria as secondary pathogens. Roseofilum reptotaenium produced significantly more MC than P. raciborskii, as measured using ELISA. Roseofilum reptotaenium …