Sreepriya Pramod

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PREMISE OF THE STUDY Research on the evolutionary role of exonic microsatellites currently lacks an understanding of the evolutionary pressures that promote or limit their expansion. Contrasting levels of variability and genetic structures at anonymous and transcribed microsatellite loci of varying lengths are likely to provide useful insights regarding the(More)
PREMISE OF THE STUDY The "tuning knob" model of King et al. (Endeavor 21: 36-40, 1997) postulates that microsatellite mutations can alter phenotypes in a stepwise fashion. Some proposed mechanisms involve regulation of gene expression. To study the effect of microsatellites harbored in untranslated regions on gene expression in Helianthus annuus, we have(More)
The effect of exogenous ethephon and its combination with gibberellic acid (GA3), indole-3-acetic acid (IAA) and benzyl amino purine (BAP) on tension wood formation in the vertically growing shoots of Leucaena leucocephala has been studied using light and scanning electron microscopy (SEM). The application of exogenous ethephon induced tension wood(More)
The distribution of microsatellites in exons, and their association with gene ontology (GO) terms is explored to elucidate patterns of microsatellite evolution in the common sunflower, Helianthus annuus. The relative position, motif, size and level of impurity were estimated for each microsatellite in the unigene database available from the Compositae(More)
Structure, histochemistry and chemical composition of tension (TW), opposite (OW) and normal wood (NW) of Leucaena leucocephala have been studied using histological, histochemical and biochemical methods. TW vessels are longer and have a larger diameter than NW vessels, and the rays are shorter and thinner. The G-layer replaced S3 and parts of S2 wall(More)
The present study unravels the anatomical characteristics and distribution patterns of cell wall polymers in the G-fibres found in the roots of A. nilotica using different microscopy techniques (light, electron and immunofluorescence microscopy). The present study was aimed to investigate the anatomy of reaction xylem in the positively gravitropic roots of(More)
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