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Photoperiod‐dependent changes in the phase of core clock transcripts and global transcriptional outputs at dawn and dusk in Arabidopsis

Overview of attention for article published in Plant, Cell & Environment, July 2016
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Title
Photoperiod‐dependent changes in the phase of core clock transcripts and global transcriptional outputs at dawn and dusk in Arabidopsis
Published in
Plant, Cell & Environment, July 2016
DOI 10.1111/pce.12754
Pubmed ID
Authors

Anna Flis, Ronan Sulpice, Daniel D Seaton, Alexander A Ivakov, Magda Liput, Christin Abel, Andrew J Millar, Mark Stitt

Abstract

Plants use the circadian clock to sense and respond to photoperiod length. Seasonal responses like flowering are triggered at a critical photoperiod when a light-sensitive clock output coincides with light or darkness. However, many metabolic processes, like starch turnover, and growth respond progressively to photoperiod duration. We first tested the photoperiod response of ten core clock genes and two output genes. qRT-PCR analyses of transcript abundance under 6, 8, 12 and 18 hour photoperiods revealed 1-4 hour earlier peak times under short photoperiods, and detailed changes like rising PRR7 expression before dawn. Clock models recapitulated most of these changes. We then explored the consequences for global gene expression by performing transcript profiling in 4, 6, 8, 12 and 18 hour photoperiods. There were major changes in transcript abundance at dawn, which were as large as those between dawn and dusk in a given photoperiod. Contributing factors included altered timing of the clock relative to dawn, and light-signaling and changes in carbon availability at night due to clock-dependent regulation of starch degradation. Their interaction facilitates coordinated transcriptional regulation of key processes like starch turnover, anthocyanin, flavonoid and glucosinolate biosynthesis and protein synthesis, and underpins the response of metabolism and growth to photoperiod. This article is protected by copyright. All rights reserved.

X Demographics

X Demographics

The data shown below were collected from the profiles of 8 X users who shared this research output. Click here to find out more about how the information was compiled.
Mendeley readers

Mendeley readers

The data shown below were compiled from readership statistics for 98 Mendeley readers of this research output. Click here to see the associated Mendeley record.

Geographical breakdown

Country Count As %
United States 2 2%
Germany 2 2%
Unknown 94 96%

Demographic breakdown

Readers by professional status Count As %
Student > Ph. D. Student 25 26%
Researcher 22 22%
Student > Master 8 8%
Student > Bachelor 7 7%
Student > Postgraduate 5 5%
Other 17 17%
Unknown 14 14%
Readers by discipline Count As %
Agricultural and Biological Sciences 47 48%
Biochemistry, Genetics and Molecular Biology 21 21%
Environmental Science 4 4%
Engineering 3 3%
Physics and Astronomy 2 2%
Other 2 2%
Unknown 19 19%
Attention Score in Context

Attention Score in Context

This research output has an Altmetric Attention Score of 4. This is our high-level measure of the quality and quantity of online attention that it has received. This Attention Score, as well as the ranking and number of research outputs shown below, was calculated when the research output was last mentioned on 15 November 2018.
All research outputs
#7,786,691
of 25,394,764 outputs
Outputs from Plant, Cell & Environment
#1,058
of 3,090 outputs
Outputs of similar age
#121,488
of 372,291 outputs
Outputs of similar age from Plant, Cell & Environment
#27
of 43 outputs
Altmetric has tracked 25,394,764 research outputs across all sources so far. This one has received more attention than most of these and is in the 69th percentile.
So far Altmetric has tracked 3,090 research outputs from this source. They typically receive a little more attention than average, with a mean Attention Score of 6.1. This one has gotten more attention than average, scoring higher than 65% of its peers.
Older research outputs will score higher simply because they've had more time to accumulate mentions. To account for age we can compare this Altmetric Attention Score to the 372,291 tracked outputs that were published within six weeks on either side of this one in any source. This one has gotten more attention than average, scoring higher than 66% of its contemporaries.
We're also able to compare this research output to 43 others from the same source and published within six weeks on either side of this one. This one is in the 37th percentile – i.e., 37% of its contemporaries scored the same or lower than it.