By: Krystal Perez
The vibrant coral reefs in the ocean are experiencing a phenomenon that is unusual to the eye. A disease known as White Syndrome (WSs) causes coral to lose their tissue, their color, and ultimately causing death. A study ran by Pollock FJ and colleagues hoped to differentiate different types of white syndrome diseases, although they were not able to determine the cause of the WSs, they were able to identify different methods used as building blocks in the hopes of future discoveries that have to do with White syndorme. Histology exams showed no signs of WS characteristics in either healthy and diseased coral. Vibrio bacteria was used as an agent that was related to loss off tissue, which resulted in WS disproving Vibrio relationship. Rhodobacteraceae, a type of proteobacteria, showed to be a commonality in the samples that were diseased and healthy. It was concluded that more coral studies about Rhodobacteriaceae should be done in order to better understand the purpose for the bacteria. Studies like the these could lead to new discoveries that could be implemented in the preservation of our planet.
Figure 1. Shows the caparison between a healthy lesion and a white syndrome diseased lesion, and FISH staining comparisons between all bacteria, and that of Vibro sp. bacteria. Histology is also demonstrated.
Original Article:
Pollock FJ, Wada N, Torda G, Willis BL, Bourne DG. 2017. White syndrome-affected corals have a distinct microbiome at disease lesion fronts. Appl Environ Microbiol 83:e02799-16. https://doi.org/10.1128/AEM.02799-16.
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