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View Article and Find Full Text PDFThe gut microbiota and metabolites play pivotal roles in the pathobiology of various diseases. Here, we describe a protocol to profile the gut microbiome and meta-metabolome of a mouse disease model for acute graft-versus-host disease. We describe steps for fecal sample collection and processing for 16S sequencing and UPLC-MS.
View Article and Find Full Text PDFMicroRNAs (miRNAs) play important regulatory roles in plant development and stress responses. Tomato is an economically important vegetable crop in the world with publicly available genomic information database, but only a limited number of tomato miRNAs have been identified. In this study, two independent small RNA libraries from mock and Cucumber mosaic virus (CMV)-infected tomatoes were constructed, respectively, and sequenced with a high-throughput Illumina Solexa system.
View Article and Find Full Text PDFMicroRNAs (miRNAs) are endogenous small non-coding RNAs which play a critical role in gene regulation in plants. Pinelliapedatisecta is one of the most important herbs in traditional Chinese medicine, but there are no microRNAs of Pinelliapedatisecta were deposited in miRBase and the research of the related miRNA biological functions is still insufficient. To detect Pinelliapedatisecta miRNAs and discover their expression difference with Pinelliaternata, we carried out a microarray profiling.
View Article and Find Full Text PDFBreast milk is the primary source of nutrition for newborns, and is rich in immunological components. MicroRNAs (miRNAs) are present in various body fluids and are selectively packaged inside the exosomes, a type of membrane vesicles, secreted by most cell types. These exosomal miRNAs could be actively delivered into recipient cells, and could regulate target gene expression and recipient cell function.
View Article and Find Full Text PDFIt is evident that epigenetic factors, especially DNA methylation, have essential roles in obesity development. Here, using pig as a model, we investigate the systematic association between DNA methylation and obesity. We sample eight variant adipose and two distinct skeletal muscle tissues from three pig breeds living within comparable environments but displaying distinct fat level.
View Article and Find Full Text PDFMicroRNAs (miRNAs) are a class of small RNAs that affect the morphological and physiological development of plants. In recent years, there is accumulating evidence that miRNAs are involved in defense mechanism of host plants. Therefore, investigating the alteration of miRNAs expression profiles after virus infection will provide new insights for understanding the sophisticated virus-host plant interaction.
View Article and Find Full Text PDFBackground: MicroRNAs (miRNAs), a large family of short endogenous RNAs known to post-transcriptionally repress gene expression, participate in the regulation of almost every cellular process. Changes in miRNA expression are associated with many pathologies. Ovarian folliculogenesis and testicular spermatogenesis are complex and coordinated biological processes, in which tightly regulated expression and interaction of a multitude of genes could be regulated by these miRNAs.
View Article and Find Full Text PDFCucumber mosaic virus (CMV) is widely spread worldwide, causing typical systemic mosaic and other symptoms in tomato (Solanum lycopersicum). Host responses to CMV and molecular mechanisms associated with the development of disease symptoms caused by this virus in tomato are largely unexplored. To investigate plant responses activated during this interaction, we used microarray analysis to monitor changes in host gene expression during disease development.
View Article and Find Full Text PDFA large number of plant microRNAs (miRNAs) are now documented in the miRBase, among which only 30 are for Solanum lycopersicum (tomato). Clearly, there is a far-reaching need to identify and profile the expression of miRNAs in this important crop under various physiological and pathological conditions. In this study, we used an in situ synthesized custom microarray of plant miRNAs to examine the expression and temporal presence of miRNAs in the leaves of tomato plants infected with Cucumber mosaic virus (CMV).
View Article and Find Full Text PDFMicroRNAs (miRNAs) are a newly identified class of non-coding small RNAs of about 21-24 nucleotides. They play important roles in multiple biological processes by degrading targeted mRNAs or repressing mRNA translation. To date, a total of 2,043 plant miRNAs are present in the miRNA Registry database (miRBase Release 14.
View Article and Find Full Text PDFThe domestic pig is of enormous agricultural significance and valuable models for many human diseases. Information concerning the pig microRNAome (miRNAome) has been long overdue and elucidation of this information will permit an atlas of microRNA (miRNA) regulation functions and networks to be constructed. Here we performed a comprehensive search for porcine miRNAs on ten small RNA sequencing libraries prepared from a mixture of tissues obtained during the entire pig lifetime, from the fetal period through adulthood.
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