Coral-Bacterial Communities before and after a Coral Mass Spawning Event on Ningaloo Reef

A significant increase in bacterial diversity was observed on Ningaloo Reef following a coral mass spawning event, with the Roseobacter clade of α-Proteobacteria emerging as a prominent group across all studied coral species. This suggests that such bacteria may play a crucial role in coral reproduction. Researchers analyzed bacterial communities associated with three coral species—Acropora tenuis, Pocillopora damicornis, and Tubastrea faulkneri—before and after spawning using pyrosequencing of the 16S rRNA gene. While overall community structure remained stable at higher taxonomic levels, the study highlighted specific shifts in bacterial abundance that could influence coral reproductive processes.

Ceh, J., Raina, J.-B., Soo, R. M., van Keulen, M., & Bourne, D. G. (2012). Coral-Bacterial Communities before and after a Coral Mass Spawning Event on Ningaloo Reef. PLoS ONE, 7(5), e36920. https://doi.org/10.1371/journal.pone.0036920