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Intronic sequences are required for AINTEGUMENTA-LIKE6 expression in Arabidopsis flowers

Overview of attention for article published in BMC Research Notes, October 2015
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  • Above-average Attention Score compared to outputs of the same age and source (61st percentile)

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Title
Intronic sequences are required for AINTEGUMENTA-LIKE6 expression in Arabidopsis flowers
Published in
BMC Research Notes, October 2015
DOI 10.1186/s13104-015-1537-6
Pubmed ID
Authors

Beth A. Krizek

Abstract

The AINTEGUMENTA-LIKE6/PLETHORA3 (AIL6/PLT3) gene of Arabidopsis thaliana is a key regulator of growth and patterning in both shoots and roots. AIL6 encodes an AINTEGUMENTA-LIKE/PLETHORA (AIL/PLT) transcription factor that is expressed in the root stem cell niche, the peripheral region of the shoot apical meristem and young lateral organ primordia. In flowers, AIL6 acts redundantly with AINTEGUMENTA (ANT) to regulate floral organ positioning, growth, identity and patterning. Experiments were undertaken to define the genomic regions required for AIL6 function and expression in flowers. Transgenic plants expressing a copy of the coding region of AIL6 in the context of 7.7 kb of 5' sequence and 919 bp of 3' sequence (AIL6:cAIL6-3') fail to fully complement AIL6 function when assayed in the ant-4 ail6-2 double mutant background. In contrast, a genomic copy of AIL6 with the same amount of 5' and 3' sequence (AIL6:gAIL6-3') can fully complement ant-4 ail6-2. In addition, a genomic copy of AIL6 with 590 bp of 5' sequence and 919 bp of 3' sequence (AIL6m:gAIL6-3') complements ant-4 ail6-2 and contains all regulatory elements needed to confer normal AIL6 expression in inflorescences. Efforts to map cis-regulatory elements reveal that the third intron of AIL6 contains enhancer elements that confer expression in young flowers but in a broader pattern than that of AIL6 mRNA in wild-type flowers. Some AIL6:gAIL6-3' and AIL6m:gAIL6-3' lines confer an over-rescue phenotype in the ant-4 ail6-2 background that is correlated with higher levels of AIL6 mRNA accumulation. The results presented here indicate that AIL6 intronic sequences serve as transcriptional enhancer elements. In addition, the results show that increased expression of AIL6 can partially compensate for loss of ANT function in flowers.

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Mendeley readers

Mendeley readers

The data shown below were compiled from readership statistics for 18 Mendeley readers of this research output. Click here to see the associated Mendeley record.

Geographical breakdown

Country Count As %
United States 1 6%
Unknown 17 94%

Demographic breakdown

Readers by professional status Count As %
Researcher 6 33%
Student > Master 4 22%
Student > Ph. D. Student 3 17%
Other 1 6%
Student > Bachelor 1 6%
Other 1 6%
Unknown 2 11%
Readers by discipline Count As %
Agricultural and Biological Sciences 10 56%
Biochemistry, Genetics and Molecular Biology 6 33%
Unknown 2 11%
Attention Score in Context

Attention Score in Context

This research output has an Altmetric Attention Score of 2. 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 06 July 2016.
All research outputs
#13,449,421
of 22,830,751 outputs
Outputs from BMC Research Notes
#1,683
of 4,263 outputs
Outputs of similar age
#131,971
of 279,097 outputs
Outputs of similar age from BMC Research Notes
#72
of 192 outputs
Altmetric has tracked 22,830,751 research outputs across all sources so far. This one is in the 39th percentile – i.e., 39% of other outputs scored the same or lower than it.
So far Altmetric has tracked 4,263 research outputs from this source. They typically receive a little more attention than average, with a mean Attention Score of 5.5. This one has gotten more attention than average, scoring higher than 58% 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 279,097 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 51% of its contemporaries.
We're also able to compare this research output to 192 others from the same source and published within six weeks on either side of this one. This one has gotten more attention than average, scoring higher than 61% of its contemporaries.