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Research Article Open Access
Plant hormones play a crucial role in controlling the way in which plants grow and develop. While metabolism provides the power and building blocks for plant life, it is the hormones that regulate the speed of growth of the individual parts and integrate them to produce the form that we recognize as a plant. Strigolactones are newly discovered plant hormones that influence diverse aspects of plant growth. Chemically these are sesquetepene lactones. These are host-root produced chemical signals that induce hyphal branching in germinating spores of Arbuscular mycorrhizal (AM Fungi), a process that is probably essential for the host-root colonization association with AM fungi. In addition to these functions, they also inhibit shoot branching. Furthermore, Strigolactones are suggested to have other biological functions in rhizosphere communications and in plant growth and development and recently, they are also found to be potentially positive regulators of light harvesting in plants. Strigolactones are having the physiological role of plant hormones. The well established Plant-hormones are Auxin, Gibberellins, cytokinins, and abscisic acid. Presently these hormones are being used extensively to modify the growth of cultured cell, in a desired way. Hence a possibility exists that in future these Strigolactones will find the same application(s) and may prove to be a turning point in research in Pharmaceutical Plant Biotechnology. Keeping this in mind this review has been compiled.
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Author(s): Ruby Rohilla Munish Garg and Gaurav Kumar
Arbuscular mycorrhizal, Strigolactones, signaling, rhizosphere, host-root colonization, Plant hormone.