Euphorbiaplant latex is inhabited by diverse microbial communities
| Autor: | Rob Knight, Embriette R. Hyde, Brian L. Dorsey, Madeline Mullen, Jennifer Yoo, Marc M. Baum, Manjula Gunawardana, Taylor La Val, Sean Lahmeyer |
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| Rok vydání: | 2015 |
| Předmět: |
Euphorbia
Bacteria Latex biology Microbial DNA Microorganism fungi Fungi Euphorbiaceae food and beverages Sequence Analysis DNA Plant Science Bacterial Physiological Phenomena biology.organism_classification Antimicrobial Microbial ecology Genus RNA Ribosomal 16S DNA Ribosomal Spacer Botany Endophytes Genetics Species richness Ecology Evolution Behavior and Systematics |
| Zdroj: | American Journal of Botany. 102:1966-1977 |
| ISSN: | 0002-9122 |
| DOI: | 10.3732/ajb.1500223 |
| Popis: | The antimicrobial properties and toxicity of Euphorbia plant latex should make it a hostile environment to microbes. However, when specimens from Euphorbia spp. were propagated in tissue culture, microbial growth was observed routinely, raising the question whether the latex of this diverse plant genus can be a niche for polymicrobial communities.Latex from a phylogenetically diverse set of Euphorbia species was collected and genomic microbial DNA extracted. Deep sequencing of bar-coded amplicons from taxonomically informative gene fragments was used to measure bacterial and fungal species richness, evenness, and composition.Euphorbia latex was found to contain unexpectedly complex bacterial (mean: 44.0 species per sample; 9 plants analyzed) and fungal (mean: 20.9 species per sample; 22 plants analyzed) communities using culture-independent methods. Many of the identified taxa are known plant endophytes, but have not been previously found in latex.Our results suggest that Euphorbia plant latex, a putatively hostile antimicrobial environment, unexpectedly supports diverse bacterial and fungal communities. The ecological roles of these microorganisms and potential interactions with their host plants are unknown and warrant further research. |
| Databáze: | OpenAIRE |
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