Metabolomics,Unknown,Transcriptomics,Genomics,Proteomics

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The effect of Heterogeneous Transcription Start Sites (TSS) on the Translatome: Implications for the Mammalian Cellular Phenotype.


ABSTRACT: Sequencing of total RNA and polysomal RNA of two cell lines, MCF7 (tumoral) and MCF10A (non-tumoral) Polysomal and total RNA was prepared from biological triplicates from the two cell lines. For each biological triplicate sub-confluent cell monolyers were lysed to produce cytoplasmic extracts. Half of each extract was fractionated on a sucrose gradient and the polysomal fraction recovered. Polysomal-associated RNA was recovered by Trizol extraction. From the second half of each sample total cyoplasmic RNA was recovered (Trizol extraction).

ORGANISM(S): Homo sapiens

SUBMITTER: Joseph Curran 

PROVIDER: E-GEOD-74232 | biostudies-arrayexpress |

REPOSITORIES: biostudies-arrayexpress

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The effect of heterogeneous Transcription Start Sites (TSS) on the translatome: implications for the mammalian cellular phenotype.

Dieudonné Francois-Xavier FX   O'Connor Patrick B F PB   Gubler-Jaquier Pascale P   Yasrebi Haleh H   Conne Beatrice B   Nikolaev Sergey S   Antonarakis Stylianos S   Baranov Pavel V PV   Curran Joseph J  

BMC genomics 20151121


<h4>Background</h4>The genetic program, as manifested as the cellular phenotype, is in large part dictated by the cell's protein composition. Since characterisation of the proteome remains technically laborious it is attractive to define the genetic expression profile using the transcriptome. However, the transcriptional landscape is complex and it is unclear as to what extent it reflects the ribosome associated mRNA population (the translatome). This is particularly pertinent for genes using mu  ...[more]

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