Understanding the development of roots exposed to contaminants and the potential of plant-associated bacteria for optimization of growth
Author(s) -
Tony Remans,
Sofie Thijs,
Sascha Truyens,
Nele Weyens,
Kerim Schellingen,
Els Keunen,
Heidi Gielen,
Ann Cuypers,
Jaco Vangronsveld
Publication year - 2012
Publication title -
annals of botany
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 1.567
H-Index - 176
eISSN - 1095-8290
pISSN - 0305-7364
DOI - 10.1093/aob/mcs105
Subject(s) - biology , bacteria , plant growth , contamination , root system , rhizosphere , botany , heavy metals , plant development , ecology , environmental chemistry , biochemistry , gene , chemistry , genetics
Plant responses to the toxic effects of soil contaminants, such as excess metals or organic substances, have been studied mainly at physiological, biochemical and molecular levels, but the influence on root system architecture has received little attention. Nevertheless, the precise position, morphology and extent of roots can influence contaminant uptake. Here, data are discussed that aim to increase the molecular and ecological understanding of the influence of contaminants on root system architecture. Furthermore, the potential of plant-associated bacteria to influence root growth by their growth-promoting and stress-relieving capacities is explored.
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