Strigolactones – signal molecules in arbuscular mycorrhiza and regulators of plant growth and development
DOI:
https://doi.org/10.14720/abs.56.2.16123Keywords:
symbiosis, development, apical dominance, auxin transportAbstract
Strigolactones were first discovered as rhizosphere signals by which parasitic weeds detect the presence of a host plant species. It was later recognized that they play a critical role in facilitating the formation of arbuscular mycorrhiza (AM), symbiosis with fungi, crucial for the acquisition of plant nutrients in over 80% of land plant species. Recently, strigolactones have also been shown to participate in regulation of several plant developmental processes. They are involved in the control of apical dominance (shoot branching), root development, nodulation, etc.. The paper presents the role of strigolactones in development of AM and their implication in other physiological processes. It discusses a possible role of strigolactones as integrators of the root-to-shoot balance, nutrient acquisition, and resource allocation.
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