Evidence map›Paper›PMID 21152918›Full record

ArticleCurrent genetics2011

Developmental and cell type characterization of bundle sheath and mesophyll chloroplast transcript abundance in maize.

Richard M Sharpe, Aditya Mahajan, Elizabeth M Takacs, David B Stern, A Bruce Cahoon

Abstract read
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Article in Current genetics, 2011. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 14 papers.

0numbers the graph read from it
0cells of the map it votes in
14citing papers in PubMed
0.8field-weighted citation impact, top 28% 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

14 citing papers in PubMed, 22 citations in OpenAlex.

  1. Article
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  4. OBV (obscure vein), a CHorticulture research · 2021
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  13. Architectural switch in plant photosynthetic membranes induced by light stress.Proceedings of the National Academy of Sciences of the United States of America · 2012
    Article
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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 1 country.

Richard M SharpeDepartment of Biology, Middle Tennessee State University, Box 60, Murfreesboro, TN 37132, USA.
Aditya Mahajan
Elizabeth M Takacs
David B Stern
A Bruce Cahoon
Middle Tennessee State University · USIthaca College · US

Funding

No grant is acknowledged in the PubMed record.

6 · The paper itself

Abstract

The C4 grass Zea mays separates light and light-independent photosynthetic processes into two leaf cell types: bundle sheath (BS) and mesophyll (M). When mature, BS and M cells have anatomically and biochemically distinct chloroplasts that must cooperate to complete the process of photosynthesis. This report compares changes in transcript abundance between young and mature maize BS and M chloroplasts from specific segments of the leaf developmental gradient. Representative transcripts encoding components of Photosystem I, Photosystem II, Cytochrome b (6) f, thylakoidal NADH dehydrogenase; and the large subunit of ribulose-1,5-bisphosphate carboxylase/oxygenase as well as nine nuclear-coded transcripts encoding chloroplast proteins were measured using quantitative RT-PCR. In addition, 887 nuclear genes encoding plastid-localized proteins, as well as 64 chloroplast and 34 mitochondrial genes were assayed utilizing a cDNA microarray. In 9 out of the 18 chloroplast-encoded genes and 84 genes from the 985 element microarray revealed greater than twofold transcript abundance differences between developmental stages and/or cell types. Patterns for transcripts associated with operons and gene clusters suggest differing regulatory mechanisms for particular polycistronic stretches. In summary, this report provides evidence that cell type-specific transcript abundance varies more in the young developing chloroplast, and differences plateau or subside as chloroplasts mature.

Indexed as

Transcription, GeneticChloroplastsMesophyll CellsPlant LeavesZea mays

Identifiers

PMID21152918
OpenAlexW2084224335

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.