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Saturday, October 10

Plant MicroRNAs: Methods and Protocols

Most of the chapters in this volume focus on the identification, validation and characterization of miRNA class of RNAs. However, the theme that it can not avoid to mention other classes of small RNAs that are biochemically similar size and composition (though somewhat genetically distinct origin). For example, cloning and characterization of plant miRNA generated data set is a lot of other very small class of RNAs, significantly higher than in other plants and organisms - heterochromatic, small interfering RNAs (heterochromatic siRNAs).

How do you find the methods in this Volume stress miRNA analysis, but there are ways to distinguish a class of small RNAs from each other. One chapter describes the members is characterized by a unique class of siRNAs (trans-acting siRNAs), which is dependent on the actions mirna begin their formation.

 Plant MicroRNAs: Methods and Protocols | -= ErchBook =- From mirna biogenesis is dependent on an increasingly well-defined proteins, which contain enzymes precisely removed from the more mature miRNA of cases, as well as the mature miRNA to be exported from the nucleus and interaction with the modification of its target. This volume begins with the section that clearly sets out the cellular participants from miRNA production and study the genes and gene products useful. Discussions about the genes that encode these proteins are found throughout the volume, partial or complete loss-of-function mutants of these genes is essential for learning miRNA Toolbox. One of the sections are the standard methods of cleaning materials and miRNA study: small RNA component of the transcript. While not always easy, depending on the composition and source of plant tissue that is used protocols described here should be a wide stretch of even the most recalcitrant of plant origin, therefore, very high quality RNA, which can be used for library construction.

Alternative approach described in one of the chapters are small RNAs associated with the Argonaut protein separately. Purified small RNA in his hand, one is ready to begin the characterization of small RNAs by any of a variety of experimental methods, most of whom one is deeply concerned by the sequence of the "new generation" technology, a process that leads to data sets on the scale of millions of small RNAs reaction. This volume is the sequence libraries from purified small RNA generation rotocol. This is followed, next big challenge will be experimentalist data - trimming, cartography, organize and analyze millions of short sequence reads.

Several chapters describe the methods for analysis of miRNA target RNAs directed regulation. Its simplest form, the regulatory targets of plant miRNA determination is based on a nearly perfect complementarity between MiRNAs and their mRNA targets tracking. This allows the calculation basis of the target forecast simplified plant nor animal. Mirna pairing with mRNA, plants, generally results in degradation of target mRNA. Such an approach tailored to the forecast is for the companies this volume, as well as standard methods of approval of specific target cleavage events and the interesting development of genome-scale characterizing cleaved mRNA in a library.

This volume consists of a series of chapters that discuss approaches to the analysis of the functional role of plant-miRNA. This includes methods for calculating the prediction of plant miRNA targets and the experimental methods that might provide supporting evidence to support these predictions. The calculation methods were also applicable to the study of gene regulatory sequences in promoters, the application that works well and the promoter elements and potential transcription factor binding motives of plant miRNA precursors. Regulatory elements contribute to expression miRNA regulation in response to stresses such as biotic and abiotic stress, such conditions, mirna turn regulated by other copies, and to create variation in their expression levels and patterns. In situ hybridizations have long been used to Messenger RNAs and protein localization, but a recent interesting application of this methodology is the ability to localize mirna plant tissues using a new generation of highly sensitive probes. And when these data were merged out of miRNA, the plants are amenable to the function of this function is projected transient assessment of the studies. All chapters of this theme in this volume, theme, and we believe that this will provide valuable support and useful for our readers' experimental work.
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