Plant growth-promoting rhizobacteria and root system functioning
By J. Vacheron, Guilhem Desbrosses, M. Bouffaud, B. Touraine, Y. Moënne‐Loccoz, Daniel Muller, L. Legendre, F. Wisniewski-Dyé, C. Prigent-Combaret. Frontiers in Plant Science, 2013
1,341 citations recorded by the source corpus.
The rhizosphere supports the development and activity of a huge and diversified microbial community, including microorganisms capable to promote plant growth. Among the latter, plant growth-promoting rhizobacteria (PGPR) colonize roots of monocots and dicots, and enhance plant growth by direct and indirect mechanisms. Modification of root system architecture by PGPR implicates the production of phytohormones and other signals that lead, mostly, to enhanced lateral root branching and development of root hairs. PGPR also modify root functioning, improve plant nutrition and influence the physiology of the whole plant. Recent results provided first clues as to how PGPR signals could trigger these plant responses. Whether local and/or systemic, the plant molecular pathways involved remain often unknown. From an ecological point of view, it emerged that PGPR form coherent functional groups, whose rhizosphere ecology is influenced by a myriad of abiotic and biotic factors in natural and agricultural soils, and these factors can in turn modulate PGPR effects on roots. In this paper, we address novel knowledge and gaps on PGPR modes of action and signals, and highlight recent progress on the links between plant morphological and physiological effects induced by PGPR. We also show the importance of taking into account the size, diversity, and gene expression patterns of PGPR assemblages in the rhizosphere to better understand their impact on plant growth and functioning. Integrating mechanistic and ecological knowledge on PGPR populations in soil will be a prerequisite to develop novel management strategies for sustainable agriculture.
Subfields: Plant Science
View Paper: https://www.semanticscholar.org/paper/ba57e78b325a2273a0dd3691ccf05e5c07097b13
How researchers see this paper
The researchers whose trusted networks rank it highest, strongest advocate first. Every researcher gets a different order.
In Plant Science
Citations in the corpus
- Mechanisms of plant response to salt and drought stress and their alteration by rhizobacteria (2016, background): “It is well known that plant ABA levels increase in response to water deficit and that ABA plays a key role in stomatal closure and the induction of several waterdeficit-induced genes (Dodd et al. 2010; Vacheron et al. 2013).”
- Intercropping with legume for agroecological cropping systems: Complementarity and facilitation processes and the importance of soil microorganisms. A review (2017, background): “The second section is based on the many studies that demonstrate the role of bacteria (Ahmad, 2008; Compant et al., 2010; Vacheron et al., 2013) and mycorrhizae (Gianinazzi et al.”
- Role of Plant Growth Promoting Rhizobacteria in Agricultural Sustainability—A Review (2016, background): “According to Spaepen and Vacheron [82,83], wide range of processes in plant developme t and plant gr wth are contr ll d by exoge ous IAA in hich a low amount of IAA can stimulate primary r ot elongation, whereas high IAA levels dec ease primary root length, increase root hair formation, and stimulat”
- Utilizing the Potential of Microorganisms for Managing Arsenic Contamination: A Feasible and Sustainable Approach (2018, background): “Several studies have shown that plant’s adaptation to local environmental stress is closely related to microbiota present in their surroundings (Vacheron et al., 2013).”