NDLI: HCF152, an Arabidopsis RNA Binding Pentatricopeptide Repeat Protein Involved in the Processing of Chloroplast psbB-psbT-psbH-petB-petD RNAs

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HCF152, an Arabidopsis RNA Binding Pentatricopeptide Repeat Protein Involved in the Processing of Chloroplast psbB-psbT-psbH-petB-petD RNAs

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HCF152, an Arabidopsis RNA Binding Pentatricopeptide Repeat Protein Involved in the Processing of Chloroplast psbB-psbT-psbH-petB-petD RNAs

Content Provider	PubMed Central
Author	Karin, Meierhoff Felder, Susanne Nakamura, Takahiro Bechtold, Nicole Schuster, Gadi
Copyright Year	2003
Abstract	The psbB-psbT-psbH-petB-petD operon of higher plant chloroplasts is a heterogeneously composed transcriptional unit that undergoes complex RNA processing events until the mature oligocistronic RNAs are formed. To identify the nucleus-encoded factors required for the processing and expression of psbB-psbT-psbH-petB-petD transcripts, we performed mutational analysis using Arabidopsis. The allelic nuclear mutants hcf152-1 and hcf152-2 were identified that are affected specifically in the accumulation of the plastidial cytochrome b 6 f complex. In both mutants, reduced amounts of spliced petB RNAs (encoding the cytochrome b 6 subunit) were detected, thus explaining the observed protein deficiencies. Additionally, mutant hcf152-1 is affected in the accumulation of transcripts cleaved between the genes psbH and petB. As a result of a close T-DNA insertion, the HCF152 gene was cloned and its identity confirmed by complementation of homozygous mutant plants. HCF152 encodes a pentatricopeptide repeat (PPR) protein with 12 putative PPR motifs that is located inside the chloroplast. The protein shows a significant structural, but not primary, sequence similarity to the maize protein CRP1, which is involved in the processing and translation of the chloroplast petD and petA RNAs. In addition, we found that HCF152 is an RNA binding protein that binds certain areas of the petB transcript. The protein possibly exists in the chloroplast as a homodimer and is not associated with other proteins to form a high molecular mass complex.
Related Links	http://dx.doi.org/10.1105/tpc.010397
Ending Page	1495
Page Count	16
Starting Page	1480
File Format	PDF
ISSN	10404651
e-ISSN	1532298X
Journal	The Plant Cell
Issue Number	6
Volume Number	15
Language	English
Publisher	American Society of Plant Biologists
Publisher Date	2003-06-01
Access Restriction	Open
Rights Holder	American Society of Plant Biologists
Subject Keyword	Plant Science Cell Biology Research in Higher Education
Content Type	Text
Resource Type	Article
Subject	Cell Biology Plant Science

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HCF152, an Arabidopsis RNA binding pentatricopeptide repeat protein involved in the processing of chloroplast psbB-psbT-psbH-petB-petD RNAs.

HCF152, an Arabidopsis RNA Binding Pentatricopeptide Repeat Protein Involved in the Processing of Chloroplast psbB-psbT-psbH-petB-petD RNAs

HCF152, an Arabidopsis RNA Binding Pentatricopeptide Repeat Protein Involved in the Processing of Chloroplast

Hcf152, an arabidopsis rna binding pentatricopeptide repeat protein involved in the processing of chloroplast.

Nucleotide sequence of the 5.2 kbp barley chloroplast DNA fragment, containing psbB-psbH-petB-petD gene cluster.

The Pentatricopeptide Repeat Protein OTP87 Is Essential for RNA Editing of nad7 and atp1 Transcripts in Arabidopsis Mitochondria

Characterization of Mbb1, a nucleus-encoded tetratricopeptide-like repeat protein required for expression of the chloroplast psbB/psbT/psbH gene cluster in Chlamydomonas reinhardtii

Structure of a PLS-class Pentatricopeptide Repeat Protein Provides Insights into Mechanism of RNA Recognition

The nuclear gene HCF107 encodes a membrane-associated R-TPR (RNA tetratricopeptide repeat)-containing protein involved in expression of the plastidial psbH gene in Arabidopsis

HCF152, an Arabidopsis RNA Binding Pentatricopeptide Repeat Protein Involved in the Processing of Chloroplast psbB-psbT-psbH-petB-petD RNAs

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HCF152, an Arabidopsis RNA binding pentatricopeptide repeat protein involved in the processing of chloroplast psbB-psbT-psbH-petB-petD RNAs.

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HCF152, an Arabidopsis RNA Binding Pentatricopeptide Repeat Protein Involved in the Processing of Chloroplast psbB-psbT-psbH-petB-petD RNAs