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

被引：27

作者：

Aizenberg-Gershtein, Yana ^{[1
]}

Izhaki, Ido ^{[1
]}

Santhanam, Rakesh ^{[2
]}

Kumar, Pavan ^{[2
]}

Baldwin, Ian T. ^{[2
]}

Halpern, Malka ^{[1
,3
]}

机构：

[1] Univ Haifa, Fac Nat Sci, Dept Evolutionary & Environm Biol, IL-31999 Haifa, Israel

[2] Max Planck Inst Chem Ecol, Dept Mol Ecol, Jena, Germany

[3] Univ Haifa, Dept Biol & Environm, Fac Nat Sci, Oranim, Tivon, Israel

来源：

SCIENTIFIC REPORTS | 2015年 / 5卷

基金：

以色列科学基金会; 欧洲研究理事会;

关键词：

NICOTINE; PLANTS; ABILITY; COPE;

D O I：

10.1038/srep11536

中图分类号：

O [数理科学和化学]; P [天文学、地球科学]; Q [生物科学]; N [自然科学总论];

学科分类号：

07 ; 0710 ; 09 ;

摘要：

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 plants. The different microbiome composition and diversity, caused by the different pyridine-type alkaloid composition, could modify the nutritional content of the nectar and consequently, may contribute to the change in the nectar consumption and visitation. These may indirectly have an effect on plant fitness.

引用

页数：11

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