Abnormal Development in Rana Pipiens Induced by Colchicine Treatment at Late Gastrulation
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The Effect of Colchicine on Myogenesis in Vivo in Rana Pipiens and Rhodnius Prolixus (hemiptera)
The effect of colchicine on myogenesis in vivo has been studied in the regenerating tadpole tail of the frog, Rana pipiens, and in the abdominal molting muscles of a blood-sucking bug, Rhodnius prolixus Stål. Colchicine is shown to disrupt microtubules in the differentiating muscle cells of both these organisms. The disruption of microtubules is correlated with a loss of longitudinal anisometry...
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Basil (Ocimum basilicum) is one of the important medicinal plant species. In order to produce an autotetraploid population of basil (Ocimum basilicum) by colchicine, different concentrations (0.00, 0.05, 0.10, 0.20, 0.50 and 0.75%) and four treatment methods were examined (seed, the growing point of seedlings at the emergence of cotyledone leaves stage and emergence of true two type leaves stag...
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Histamine (HA) isa neurotransmitter that has been found in the brains of several species. We examined the brain of Rana pipiens using a well-characterized antibody to HA conjugated to 1-ethyl-3(3diamethylaminopropyl)-carbodiimide (EDCDI) with immunohistochemistry (IHC). Staining was enhanced by pre-treating the animals with histidine, colchicine, and quinacrine. IHC staining was done in the sta...
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Competition is known to decrease growth and development rate in tadpoles, but the physiological basis for this phenomenon is poorly understood. We hypothesized that competition results in increased production of stress hormones and that these hormones are responsible for the suppression of growth and development. To test this hypothesis, we measured whole-body corticosterone content in premetam...
متن کاملThe Enzymatic Characteristics and the Control of Glycogen Phosphorylase during Early Amphibian Development*
Glycogen phosphorylase has been studied in Rana pipiens eggs and embryos with regard to the nature of the enzyme, its control possibilites, and its involvement in preneurula development. On the basis of enzyme activity, immunological, and electrophoretic comparisons, R. pipiens egg phosphorylase is not wholly identical with the phosphorylases characteristic of skeletal muscle, liver, or kidney ...
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تاریخ انتشار 2017