The antagonistic interaction between iron (Fe) and phosphorus (P) has been noted in the area of plant nutrition. To understand the physiology and molecular mechanisms of this interaction, we studied the growth performance, nutrient concentration, and gene expression profiles of root and shoot segments derived from 10-d-old rice (Oryza sativa) seedlings under four different nutrient conditions: (1) full strength of Fe and P (+Fe+P); (2) full strength of P and no Fe (-Fe+P); (3) full strength of Fe and no P (+Fe-P); and (4) without both Fe and P (-Fe-P).
Physiological and transcriptome analysis of iron and phosphorus interaction in rice seedlings.
Specimen part
View SamplesGlobal restriction of protein synthesis is a hallmark of cellular stress. Using hydrogen peroxide, we monitor the transcript level and also the translation status for each RNA using cycloheximide to freeze elongating ribosomes. Polyribosome fractionation of cell extracts was used to separate highly translated and poorly translated mRNAs that were then separately analysed.
Global translational responses to oxidative stress impact upon multiple levels of protein synthesis.
Sex, Compound
View SamplesOne common form of translational control is mediated by proteins that bind to the mRNA 5' cap-binding protein eIF4E. These proteins are collectively called 4E binding proteins (4EBPs). Saccharomyces cerevisiae possesses two 4EBPs that are encoded by non-essential genes called CAF20 and EAP1. To determine the impact of gene deletion on gene expression, we monitored the transcript level and also the translation status for each RNA using cycloheximide to freeze elongating ribosomes in wild-type, caf20 and eap1 cells. Polyribosome fractionation of cell extracts was used to separate highly translated and poorly translated mRNAs that were then separately analyzed.
Identifying eIF4E-binding protein translationally-controlled transcripts reveals links to mRNAs bound by specific PUF proteins.
Sex
View SamplesCompare m1A levels in the 16S (large) mitochondrial ribosomal RNA in TRMT61B knockdown cells and control.
No associated publication
Sex, Specimen part
View SamplesTo determine the possible role of SA in root meristem activity, we compared the gene expression profiles of the root tip of Osaim1 and WT under control condition and SA treatment.
ABNORMAL INFLORESCENCE MERISTEM1 Functions in Salicylic Acid Biosynthesis to Maintain Proper Reactive Oxygen Species Levels for Root Meristem Activity in Rice.
Specimen part
View SamplesPreviously, we successfully introduce the bacterial blight resistance trait from Oryza meyeriana into O. sativa using asymmetric somatic hybridization with O. meyeriana as the donor species. After years of breeding, a progeny named Y73 was generated with recurrent parent O. sativa L. ssp. japonica cv. Dalixiang, and it shows high resistance to broad-spectrum of bacterial blight pathogens Xanthomonas oryzae pv. Oryzae (Xoo). However, the resistance mechanism of Y73 is remain undiscovered. To provide insights into the high resistance phenotype of these plants, we examined the transcriptome response in leaves of Y73 to the bacterial blight infection in this study. Xoo inoculated and mock inoculated rice plants were grown in growth room and the global analysis of gene expression events in rice leaves at 24 hours post inoculation (hpi) were analyzed using Affymetrix Rice GeneChip microarrays.
No associated publication
Specimen part
View Sampleswe construct a comprehensive mouse transcriptomic BodyMap across 17 tissues of six-weeks old C57BL/6JJcl mice using RNA-seq. We find different expression patterns between protein-coding and non-coding genes. Liver and adrenal gland expressed the least complex transcriptome, whereas testis and ovary harbor more complex transcriptome than other tissues. We report a comprehensive list of tissue-specific genes across 17 tissues. Our study provides a unique resource of mouse gene-expression profiles, which is helpful for further biomedical research.
No associated publication
Sex, Specimen part, Cell line
View SamplesTo investigate the random X chromosome inactivation in vivo, we used allelic-specific RNA sequencing of single cells in mouse model. The intercross was between two genetically distant strains, C57BL/6 and PWK/Ph.
No associated publication
Sex, Specimen part, Disease, Disease stage, Cell line
View SamplesTo obtain a comprehensive understanding of transcriptomic reprogramming under salt stress, we performed whole genome RNA sequencing on salt-treatment soybean seedlings, on two tissues in a time-course experiment (0h, 1h, 2h, 4 h, 24h and 48h). This time series dataset enables us to identify important hubs and connection of gene expressions. We highlighted the analysis of phytohormone signaling pathways and their possible cross-talking. Gene expression regulation also controls adjustment of carbon and nitrogen metabolism. In general, the treated seedlings had turned off the photosynthetic mechanism and enhanced sugar catabolism to provide energy for survival. Primary nitrogen assimilation was shut down while re-distribution of nitrogen resources was activated. Genes for other protective mechanisms were also induced, including structural modification, ion-sequestering, and scavenging of reactive oxygen species.
No associated publication
Specimen part, Disease, Treatment
View SamplesCalcium acts as a universal second messenger to regulate gene expression in both developmental processes and responses to environmental stresses. Previous studies showed that a number of stimuli can induce calcium increases in the cytoplasm and nucleus, independently. However, the gene expression network deciphering [Ca2+]cyt and/or [Ca2+]nuc signaling pathway remain obscure.
No associated publication
Specimen part, Treatment
View Samples