Pyridine-type alkaloid composition affects bacterial community composition of floral nectar.

ABSTRACT: Pyridine-type alkaloids are most common in Nicotiana species. To study the effect of alkaloid composition on bacterial community composition in floral nectar, we compared the nicotine-rich wild type (WT) N. attenuata, the nicotine biosynthesis-silenced N. attenuata that was rich in anatabine and the anabasine-rich WT N. glauca plants. We found that the composition of these secondary metabolites in the floral nectar drastically affected the bacterial community richness, diversity and composition. Significant differences were found between the bacterial community compositions in the nectar of the three plants with a much greater species richness and diversity in the nectar from the transgenic plant. The highest community composition similarity index was detected between the two wild type pla

SUBMITTER: Aizenberg-Gershtein Y 

PROVIDER: S-EPMC4650603 | biostudies-literature | 2015 Jun

REPOSITORIES: biostudies-literature