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Composition of epiphytic bacterial communities differs on petals and leaves

Title data

Junker, Robert R. ; Loewel, C. ; Gross, Roy ; Dötterl, Stefan ; Keller, Alexander ; Blüthgen, Nico:
Composition of epiphytic bacterial communities differs on petals and leaves.
In: Plant Biology. Vol. 13 (2011) Issue 6 . - pp. 918-924.
ISSN 1438-8677
DOI: https://doi.org/10.1111/j.1438-8677.2011.00454.x

Abstract in another language

The epiphytic bacterial communities colonising roots and leaves have beendescribed for many plant species. In contrast, microbiologists have rarely considered flowers of naturally growing plants. We identified bacteria isolated from the surface of petals and leaves of two plant species, Saponaria officinalis (Caryophyllaceae) and Lotus corniculatus (Fabaceae). The bacterial diversity was much lower on petals than on leaves of the same plants. Moreover, the bacterial communities differed strongly in composition: while Pseudomonadaceae and Microbacteriaceae were the most abundant families on leaves, Enterobacteriaceae dominated the floral communities. We hypothesise that antibacterial floral volatiles trigger the low diversity on petals, which is supported by agar diffusion assays using substances emitted by flowers and leaves of S. officinalis. These results suggest that bacteria should be included in the interpretation of floral traits, and possible effects of bacteria on pollinationare proposed and discussed.

Further data

Item Type: Article in a journal
Refereed: Yes
Additional notes: BAYCEER92266
Institutions of the University: Research Institutions > Research Centres > Bayreuth Center of Ecology and Environmental Research- BayCEER
Faculties > Faculty of Biology, Chemistry and Earth Sciences > Department of Biology > Chair Plant Systematics
Faculties
Faculties > Faculty of Biology, Chemistry and Earth Sciences
Faculties > Faculty of Biology, Chemistry and Earth Sciences > Department of Biology
Research Institutions
Research Institutions > Research Centres
Result of work at the UBT: Yes
DDC Subjects: 500 Science
Date Deposited: 06 Jul 2015 10:25
Last Modified: 05 Apr 2016 12:59
URI: https://eref.uni-bayreuth.de/id/eprint/15851