Evidence map›Paper›PMID 7736614›Full record

ArticleCurrent genetics1995

Chloroplast rRNA transcription from structurally different tandem promoters: an additional novel-type promoter.

A Vera, M Sugiura

Abstract read
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In one paragraph

Article in Current genetics, 1995. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 31 papers.

0numbers the graph read from it
0cells of the map it votes in
31citing papers in PubMed
3.0field-weighted citation impact, top 8% 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

31 citing papers in PubMed, 80 citations in OpenAlex.

  1. Plastid Gene Transcription: An Update on Promoters and RNA Polymerases.Methods in molecular biology (Clifton, N.J.) · 2021
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  11. High diversity of plastidial promoters in Arabidopsis thaliana.Molecular genetics and genomics : MGG · 2007
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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

2 authors at 1 institution in 1 country.

A VeraCenter for Gene Research, Nagoya University, Japan.
M Sugiura
Nagoya University · JP

Funding

No grant is acknowledged in the PubMed record.

6 · The paper itself

Abstract

Identification of transcription initiation sites in the promoter region of the tobacco chloroplast rRNA operon has been carried out by ribonuclease protection of in vitro capped RNAs and primer extension experiments. A promoter with typical chloroplast -10 and -35 motifs (P1) drives initiation of transcription from position -116 relative to the mature 16s rRNA sequence. In addition, we have found that a second primary transcript starts at position -64. This proximal promoter (P2) lacks any elements similar to those reported so far in chloroplast promoter regions, and hence P2 represents a novel-type promoter. Both transcripts are present in chloroplasts from green leaves and in non-photosynthetic proplastids from heterotrophically cultured cells (BY2), but their relative amounts appear to differ. The steady state level of the P2 transcript, with respect to P1, is higher in BY2 proplastids than in leaf chloroplasts.

Indexed as

Plants, ToxicTranscription, GeneticBase SequenceDNA, ChloroplastMolecular Sequence DataNicotianaPlantsRNA CapsRNA, Ribosomal, 16SrRNA OperonSequence Homology, Nucleic AcidDNA, ChloroplastRNA CapsRNA, Ribosomal, 16S

Identifiers

PMID7736614
OpenAlexW1994242021

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.