نتایج جستجو برای: plant hormones
تعداد نتایج: 462307 فیلتر نتایج به سال:
BACKGROUND Plant development is exquisitely environmentally sensitive, with plant hormones acting as long-range signals that integrate developmental, genetic, and environmental inputs to regulate development. A good example of this is in the control of shoot branching, where wide variation in plant form can be generated in a single genotype in response to environmental and developmental cues. ...
The gaseous plant hormone ethylene acts as a pivotal mediator to respond to and coordinate internal and external cues in modulating plant growth dynamics and developmental programs. Genetic analysis of Arabidopsis thaliana has been used to identify key components and to build a linear ethylene-signaling pathway from the receptors through to the nuclear transcription factors. Studies applying in...
introduction the plant hormones such as salicylic acid and gibberellin can affect the quantity and quality of crops. external application of plant growth regulators as a strategy for improving salt tolerance in plants is discussed. foreign salicylic acid can regulate antioxidant enzyme activity and increase plant resistance to abiotic stresses. salicylic acid reduction due to ethylene through t...
We describe a simplified method for purifying radiolabeled glycopeptide hormones (thyrotropin, lutropin, follitropin, and human choriogonadotropin), which results in preparations of over 95% immunoreactivity. This method is based on competitive elution from columns of the plant lectin, concanavalin A, and is applicable to glycopeptide hormones derived from several species.
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