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Kapulnik, Y., Institute of Plant Sciences, Agricultural Research Organization (ARO), Volcani Center, Bet Dagan, Israel
Koltai, H., Institute of Plant Sciences, Agricultural Research Organization (ARO), Volcani Center, Bet Dagan, Israel
Strigolactones are plant hormones that regulate the development of different plant parts. In the shoot, they regulate axillary bud outgrowth and in the root, root architecture and root-hair length and density. Strigolactones are also involved with communication in the rhizosphere, including enhancement of hyphal branching of arbuscular mycorrhizal fungi. Here we present the role and activity of strigolactones under conditions of phosphate deprivation. Under these conditions, their levels of biosynthesis and exudation increase, leading to changes in shoot and root development. At least for the latter, these changes are likely to be associated with alterations in auxin transport and sensitivity. On the other hand, strigolactones may positively affect plant-mycorrhiza interactions and thereby promote phosphate acquisition by the plant. Strigolactones may be a way for plants to fine-tune their growth pattern under phosphate deprivation. © 2016 Institute of Botany, Chinese Academy of Sciences.
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Fine-tuning by strigolactones of root response to low phosphate
58
Kapulnik, Y., Institute of Plant Sciences, Agricultural Research Organization (ARO), Volcani Center, Bet Dagan, Israel
Koltai, H., Institute of Plant Sciences, Agricultural Research Organization (ARO), Volcani Center, Bet Dagan, Israel
Fine-tuning by strigolactones of root response to low phosphate
Strigolactones are plant hormones that regulate the development of different plant parts. In the shoot, they regulate axillary bud outgrowth and in the root, root architecture and root-hair length and density. Strigolactones are also involved with communication in the rhizosphere, including enhancement of hyphal branching of arbuscular mycorrhizal fungi. Here we present the role and activity of strigolactones under conditions of phosphate deprivation. Under these conditions, their levels of biosynthesis and exudation increase, leading to changes in shoot and root development. At least for the latter, these changes are likely to be associated with alterations in auxin transport and sensitivity. On the other hand, strigolactones may positively affect plant-mycorrhiza interactions and thereby promote phosphate acquisition by the plant. Strigolactones may be a way for plants to fine-tune their growth pattern under phosphate deprivation. © 2016 Institute of Botany, Chinese Academy of Sciences.
Scientific Publication
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