Strigolactones
نویسنده
چکیده
Where did the name come from? Well the lactone part obviously came from the structure and the ‘striga’ part came from their first identified function. They were originally identified as very annoying molecules exuded from plant roots because they stimulated germination of very harmful parasitic weeds, such as Striga sp. and Orobanche sp. The term ‘striga’ comes from the Latin words strix or strigis, which mean witch or evil spirit.
منابع مشابه
Possible Roles of Strigolactones during Leaf Senescence
Leaf senescence is a complicated developmental process that involves degenerative changes and nutrient recycling. The progress of leaf senescence is controlled by various environmental cues and plant hormones, including ethylene, jasmonic acid, salicylic acid, abscisic acid, cytokinins, and strigolactones. The production of strigolactones is induced in response to nitrogen and phosphorous defic...
متن کاملStrigolactones regulate protonema branching and act as a quorum sensing-like signal in the moss Physcomitrella patens.
Strigolactones are a novel class of plant hormones controlling shoot branching in seed plants. They also signal host root proximity during symbiotic and parasitic interactions. To gain a better understanding of the origin of strigolactone functions, we characterised a moss mutant strongly affected in strigolactone biosynthesis following deletion of the CAROTENOID CLEAVAGE DIOXYGENASE 8 (CCD8) g...
متن کاملFlavonoids and strigolactones in root exudates as signals in symbiotic and pathogenic plant-fungus interactions.
Secondary plant compounds are important signals in several symbiotic and pathogenic plant-microbe interactions. The present review is limited to two groups of secondary plant compounds, flavonoids and strigolactones, which have been reported in root exudates. Data on flavonoids as signaling compounds are available from several symbiotic and pathogenic plant-microbe interactions, whereas only re...
متن کاملStrigolactones: Destruction-Dependent Perception?
Strigolactones control many aspects of plant growth and development, but the active form(s) of strigolactones and their mode of action at the molecular level are unknown. A new study provides evidence that an α/β-fold protein plays a central multifunctional role in strigolactone metabolism, perception and signalling.
متن کاملStructural Requirements of Strigolactones for Hyphal Branching in AM Fungi
Strigolactones are a group of terpenoid lactones that act as a host-derived signal in the rhizosphere communication of plants with arbuscular mycorrhizal (AM) fungi and root parasitic weeds as well as an endogenous plant hormone regulating shoot branching in plants. Strigolactones induce hyphal branching in AM fungi at very low concentrations, suggesting a highly sensitive perception system for...
متن کاملFirst indications for the involvement of strigolactones on nodule formation in alfalfa (Medicago sativa)
Strigolactones have recently been suggested to be phytohormones that are present in all plants. Strigolactones are released by roots into the rhizosphere, stimulating the seed germination of parasitic plants such as Striga spp. and Orobanche spp. and play a crucial role in the interaction between plants and symbiotic arbuscular mycorrhizal fungi. By applying different concentrations of the synt...
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ورودعنوان ژورنال:
- Current Biology
دوره 24 شماره
صفحات -
تاریخ انتشار 2014