نتایج جستجو برای: plant hormones
تعداد نتایج: 462307 فیلتر نتایج به سال:
The plant hormones are a structurally unrelated collection of small molecules derived from various essential metabolic pathways. These compounds are important regulators of plant growth and mediate responses to both biotic and abiotic stresses. During the last ten years there have been many exciting advances in our understanding of plant hormone biology, including new discoveries in the areas o...
Nitric oxide (NO) is currently considered a ubiquitous signal in plant systems, playing significant roles in a wide range of responses to environmental and endogenous cues. During the signaling events leading to these plant responses, NO frequently interacts with plant hormones and other endogenous molecules, at times originating remarkably complex signaling cascades. Accumulating evidence indi...
Plant growth and response to environmental cues are largely governed by phytohormones. The plant hormones ethylene, jasmonic acid, and salicylic acid (SA) play a central role in the regulation of plant immune responses. In addition, other plant hormones, such as auxins, abscisic acid (ABA), cytokinins, gibberellins, and brassinosteroids, that have been thoroughly described to regulate plant dev...
Plant growth regulator’s plays a very important role in Kinnow production. There are different type of PGR’s that includes GA3, NAA, CPPU and Ethyl which when applied on kinnow performs well give good results such as high quality, yield long shelf life the fruit. regulators (PGRs) known for having significant impact fruit retention. hormones involved physiological functions, developmental aspec...
Plant hormones are small molecules derived from various metabolic pathways and are important regulators of plant development. The most recently discovered phytohormone class comprises the carotenoid-derived strigolactones (SLs). For a long time these compounds were only known to be secreted into the rhizosphere where they act as signaling compounds, but now we know they are also active as endog...
BACKGROUND Studies have shown associations of diabetes and endogenous hormones with exposure to a wide variety of organochlorines. We have previously reported positive associations of polychlorinated biphenyls (PCBs) and inverse associations of selected steroid hormones with diabetes in postmenopausal women previously employed in a capacitor manufacturing plant. METHODS This paper examines as...
Clubroot disease causes gall formation on Brassica roots. A holistic approach was undertaken to understand the role of plant hormones in early clubroot symptom development in Arabidopsis. We used the CYCB1;1::GUS, DR5::GUS and ARR5::GUS constructs to assess clubroot initiation. We compared plant hormone concentration between control and infected plants, screened different hormone mutants for re...
For years, many plant science researchers who study the genetic programming that determines structural organization and reproductive processes self-identified as developmental biologists, while those studying plant responses to the environment identified as plant physiologists. Plant hormones such as auxins, cytokinins, and gibberellic acids that function as developmental messengers were viewed...
background & aim: investigation of suspension cell culture and callus production in catharanthus roseus. catharanthus roseus is an herbaceous perennial plant belongs to the family apocynaceae. c. roseus is important as commercial medicinal plant because of its alkaloidal content. whole plant contains about 130 alkaloids those are classified as vinca alkaloids. vincristine and vinblastine; t...
Most classical plant hormones are also produced by pathogenic and symbiotic fungi. The way in which these molecules favour the invasion of plant tissues and the development of fungi inside plant tissues is still largely unknown. In this review, we examine the different roles of such hormone production by pathogenic fungi. Converging evidence suggests that these fungal-derived molecules have pot...
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