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eXtra Botany |
Root secretions: from genes and molecules to microbial associations
1Department of Plant and Soil Sciences, University of Delaware, Newark, DE 19716, USA
2Delaware Biotechnology Institute, 15 Innovation Way, Newark, DE 19711, USA
* E-mail: hbais@udel.edu
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As the field of root biology continues to gain momentum, researchers have begun to recognize the importance of root secretions in innumerable plant–plant and plant–microbe interactions hidden beneath the ground. It is well documented that diverse plant species form both beneficial and harmful associations with soil bacterial communities. Understanding all of the factors involved in these rhizosphere communications is the daunting task that has been laid before root biologists. However, Micallef et al. (2009) have made progress in this field by describing the influence of genetic background on root secretions in Arabidopsis thaliana and the implications of the