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Guidelines for performing Ribosome Profling in Plants Including Structural Analysis of rRNA fragments

ABSTRACT: Guidelines for performing Ribosome Profling in Plants Including Structural Analysis of rRNA fragments

PROVIDER: PRJNA940452 | ENA |

REPOSITORIES: ENA

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			Action	DRS
	SRR23689209.fastq.gz	Fastqsanger.gz
	SRR23689210.fastq.gz	Fastqsanger.gz
	SRR23689211.fastq.gz	Fastqsanger.gz
	SRR23689212.fastq.gz	Fastqsanger.gz
	SRR23689213.fastq.gz	Fastqsanger.gz

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Guidelines for performing Ribosome Profling in Plants Including Structural Analysis of rRNA fragments

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Project description:BackgroundRibosome profiling (or Ribo-seq) is a technique that provides genome-wide information on the translational landscape (translatome). Across different plant studies, variable methodological setups have been described which raises questions about the general comparability of data that were generated from diverging methodologies. Furthermore, a common problem when performing Ribo-seq are abundant rRNA fragments that are wastefully incorporated into the libraries and dramatically reduce sequencing depth. To remove these rRNA contaminants, it is common to perform preliminary trials to identify these fragments because they are thought to vary depending on nuclease treatment, tissue source, and plant species.ResultsHere, we compile valuable insights gathered over years of generating Ribo-seq datasets from different species and experimental setups. We highlight which technical steps are important for maintaining cross experiment comparability and describe a highly efficient approach for rRNA removal. Furthermore, we provide evidence that many rRNA fragments are structurally preserved over diverse nuclease regimes, as well as across plant species. Using a recently published cryo-electron microscopy (cryo-EM) structure of the tobacco 80S ribosome, we show that the most abundant rRNA fragments are spatially derived from the solvent-exposed surface of the ribosome.ConclusionThe guidelines presented here shall aid newcomers in establishing ribosome profiling in new plant species and provide insights that will help in customizing the methodology for individual research goals.

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