Unknown,Transcriptomics,Genomics,Proteomics

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Chromatin immunoprecipitation of RNA binding protein CFM2 in Zea mays chloroplast extracts

ABSTRACT: Identification of target transcripts for the putative chloroplast RNA binding protein CFM2 in Zea mays. CFM2 was immunoprecipitated from a chloroplast extract. Chloroplast extracts were prepared from WT tissue. RNA from the pellet and from the supernatant for each pulldown was labelled with different fluoro-dyes and hybridized onto an array covering the complete maize chloroplast genome. Messages enriched in the immunoprecipitate from WT tissue are likely targets for CFM2.

INSTRUMENT(S): Axon GenePix 4000B scanning hardware

ORGANISM(S): Zea mays

SUBMITTER: Christian Schmitz-Linneweber 

PROVIDER: E-MEXP-743 | biostudies-arrayexpress |

REPOSITORIES: biostudies-arrayexpress

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Publications

A pentatricopeptide repeat protein facilitates the trans-splicing of the maize chloroplast rps12 pre-mRNA.

Schmitz-Linneweber Christian C   Williams-Carrier Rosalind E RE   Williams-Voelker Pascale M PM   Kroeger Tiffany S TS   Vichas Athea A   Barkan Alice A  

The Plant cell 20061013 10

The pentatricopeptide repeat (PPR) is a degenerate 35-amino acid repeat motif that is widely distributed among eukaryotes. Genetic, biochemical, and bioinformatic data suggest that many PPR proteins influence specific posttranscriptional steps in mitochondrial or chloroplast gene expression and that they may typically bind RNA. However, biological functions have been determined for only a few PPR proteins, and with few exceptions, substrate RNAs are unknown. To gain insight into the functions an  ...[more]

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