Juniper Publishers Annals of Reviews and Research

Juniper Publishers-Open Access Journal of Annals of Reviews & Research   Introduction MicroRNAs (miRNA) are small (21-24 nucleotides) non-coding RNAs which are involved in negative posttranscriptional regulation of gene expression. One miRNA molecule can have up to hundreds of target mRNAs and one mRNA can be regulated by multiple miRNAs, creating a complex regulatory network in the body/organism [1].Changes in intracellular miRNA levels affect gene expression, alter cell signaling, and significantly affect cellular metabolism. They regulate physiological processes including cell differentiation, regeneration and apoptosis, as well as pathological processes such as neoplastic transformation of cells. Therefore, it is not surprising that aberrant miRNA expression is involved in the pathogenesis of many diseases including cardiovascular diseases, neurodegenerative diseases and cancer. To this day, more than 2,500 different microRNAs have been described in various do...

Juniper Publishers-Open Access Journal of Annals of Reviews & Research   Abstract Sweet potato is important sources of carbohydrates, vitamins A and C, fiber, iron, potassium, and protein, Sweet potato is also used as animal feed. Increasing recognition of the great potential of the sweet potato crop as a nutritious food for humans and animals has resulted in intensified research efforts to enhance production and consumption. Sweet potato is sensitive to water deficits particularly during the establishment period including vine development and storage root initiation. However, drought is often a major environmental constraint for sweet potato production in areas where it is grown under rain fed conditions. Different cultivars may respond differently to limited quantities of soil water. Selection for good cultivar performance under drought conditions is thus considered to be of major importance. Keywords:   Stress; Dehydration; Avoidance and Tolerance Go t...