Evidence map›Paper›PMID 9484442›Full record

ArticlePlant molecular biology1998

The sequence and structure of the 3'-untranslated regions of chloroplast transcripts are important determinants of mRNA accumulation and stability.

R Rott, V Liveanu, R G Drager, D B Stern, G Schuster

Abstract read
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In one paragraph

Article in Plant molecular biology, 1998. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 20 papers.

0numbers the graph read from it
0cells of the map it votes in
20citing papers in PubMed
2.0field-weighted citation impact, top 12% of its field
1 · What the graph read from it

What it found

Each row is one number read from the abstract, on the scale the paper reported it, with its interval. Left of the dashed line favours the treatment, right favours the comparator. Under each row is the sentence it came from. New to these charts? A ten-minute tutorial.

The abstract states no effect estimate the extractor could read, or names no intervention and outcome on the map, so this paper lights no cell and moves no belief. It is still indexed, cited and linked below.

2 · The registry

The trial behind it

Trials whose registry record cites this paper, or whose number appears in the abstract. A trial that started after this paper was published is citing it as background, not reporting it.

Neither the registry nor the abstract names a trial number. If this is a trial report, that itself is worth knowing.

3 · Its place in the literature

Who cites it

20 citing papers in PubMed, 64 citations in OpenAlex.

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4 · The record

Corrections and comments

PubMed lists nothing against this paper. Absence here is not a guarantee, only a check that was made.

5 · Who and what money

Authors and funding

5 authors at 2 institutions in 2 countries.

R RottDepartment of Biology, Technion-Israel Institute of Technology, Haifa, Israel.
V Liveanu
R G Drager
D B Stern
G Schuster
Technion – Israel Institute of Technology · ILCornell University · US

Funding

CHLOROPLAST RNA DEGRADATION--MOLECULAR GENETIC DISSECTIOF32GM017616 · NIGMS · BOYCE THOMPSON INST FOR PLANT RESEARCH · PI DRAGER, ROBERT G · 1995 to 1997
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NIGMS NIH HHS 1-F32-GM17616-01
6 · The paper itself

Abstract

A general characteristic of the 3'-untranslated regions (3' UTRs) of plastid mRNAs is an inverted repeat (IR) sequence that can fold into a stem-loop structure. These stem-loops are RNA 3'-end processing signals and determinants of mRNA stability, not transcription terminators. Incubation of synthetic RNAs corresponding to the 3' UTRs of Chlamydomonas chloroplast genes atpB and petD with a chloroplast protein extract resulted in the accumulation of stable processing products. Synthetic RNAs of the petA 3' UTR and the antisense strand of atpB 3' UTR were degraded in the extract. To examine 3' UTR function in vivo, the atpB 3' UTR was replaced with the 3' UTR sequences of the Chlamydomonas chloroplast genes petD, petD plus trnR plus trnR, rbcL, petA and E. coli thrA by biolistic transformation of Chlamydomonas chloroplasts. Each 3' UTR was inserted in both the sense and antisense orientations. The accumulation of both total atpB mRNA and ATPase beta-subunit protein in all transformants was increased compared to a strain in which the atpB 3' UTR had been deleted. However, the level of discrete atpB transcripts in transformants containing the antisense 3' UTR sequences was reduced to approximately one-half that of transformants containing the 3' UTRs in the sense orientation. These results imply that both the nucleotide sequences and the stem-loop structures of the 3' UTRs are important for transcript 3'-end processing, and for accumulation of the mature mRNAs.

Indexed as

Regulatory Sequences, Nucleic AcidTranscription, GeneticAdenosine TriphosphatasesAnimalsBase SequenceChlamydomonasChloroplastsNucleic Acid ConformationPlastidsRepetitive Sequences, Nucleic AcidRNA, MessengerAdenosine TriphosphatasesRNA, Messenger

Identifiers

PMID9484442
OpenAlexW2147105841

What OpenQuestion holds

Textmetadata
Read underepoch 390

Registered trials

None linked

Read under generation 80e0d062 · epoch 390. Bibliography from PubMed, PubMed Central and OpenAlex; grants from NIH RePORTER; trial links from ClinicalTrials.gov; estimates, votes and beliefs from the OpenQuestion graph.