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Large effect QTL explain natural phenotypic variation for the developmental timing of vegetative phase change in maize (Zea mays L.)

Overview of attention for article published in Theoretical and Applied Genetics, January 2015
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Title
Large effect QTL explain natural phenotypic variation for the developmental timing of vegetative phase change in maize (Zea mays L.)
Published in
Theoretical and Applied Genetics, January 2015
DOI 10.1007/s00122-014-2451-3
Pubmed ID
Authors

Jillian M. Foerster, Timothy Beissinger, Natalia de Leon, Shawn Kaeppler

Abstract

Natural variation for the timing of vegetative phase change in maize is controlled by several large effect loci, one corresponding to Glossy15 , a gene known for regulating juvenile tissue traits. Vegetative phase change is an intrinsic component of developmental programs in plants. Juvenile and adult vegetative tissues in grasses differ dramatically in their anatomical and biochemical composition affecting the utility of specific genotypes as animal feed and biofuel feedstock. The molecular network controlling the process of developmental transition is incompletely characterized. In this study, we used scoring for juvenile and adult epicuticular wax as an entry point to discover quantitative trait loci (QTL) controlling phenotypic variation for the developmental timing of juvenile to adult transition in maize. We scored the last leaf with juvenile wax on 25 recombinant inbred line families of the B73 reference Nested Association Mapping (NAM) population and the intermated B73×Mo17 (IBM) population across multiple seasons. A total of 13 unique QTL were identified through genome-wide association analysis across the NAM populations, three of which have large effects. A QTL located on chromosome nine had the most significant SNPs within Glossy15, a gene controlling expression of juvenile leaf traits. The second large effect QTL is located on chromosome two. The most significant SNP in this QTL is located adjacent to a homolog of the Arabidopsis transcription factor, enhanced downy mildew-2, which has been shown to promote the transition from juvenile to adult vegetative phase. Overall, these results show that several major QTL and potential candidate genes underlie the extensive natural variation for this developmental trait.

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Mendeley readers

Mendeley readers

The data shown below were compiled from readership statistics for 52 Mendeley readers of this research output. Click here to see the associated Mendeley record.

Geographical breakdown

Country Count As %
Benin 1 2%
Belgium 1 2%
Unknown 50 96%

Demographic breakdown

Readers by professional status Count As %
Researcher 12 23%
Student > Ph. D. Student 11 21%
Student > Master 6 12%
Student > Doctoral Student 6 12%
Student > Bachelor 3 6%
Other 10 19%
Unknown 4 8%
Readers by discipline Count As %
Agricultural and Biological Sciences 37 71%
Biochemistry, Genetics and Molecular Biology 7 13%
Nursing and Health Professions 1 2%
Earth and Planetary Sciences 1 2%
Social Sciences 1 2%
Other 0 0%
Unknown 5 10%
Attention Score in Context

Attention Score in Context

This research output has an Altmetric Attention Score of 1. 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 January 2015.
All research outputs
#19,201,293
of 23,794,258 outputs
Outputs from Theoretical and Applied Genetics
#3,124
of 3,565 outputs
Outputs of similar age
#260,342
of 355,678 outputs
Outputs of similar age from Theoretical and Applied Genetics
#13
of 32 outputs
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So far Altmetric has tracked 3,565 research outputs from this source. They receive a mean Attention Score of 4.9. This one is in the 6th percentile – i.e., 6% of its peers scored the same or lower than it.
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