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Roots remain an under-explored frontier in plant genetics despite their well-known influence on plant development, agricultural performance, and competition in the wild. Visualizing and measuring root structures and their growth is vastly more difficult than characterizing aboveground parts of the plant and is often simply avoided. The majority of research on maize root systems has focused on their anatomy, physiology, development, and soil interactions but much less is known about the genetics that control quantitative traits. In maize, seven root development genes have been cloned using mutagenesis, but no genes underlying the many root-related quantitative trait loci (QTL) have been identified. In this review, we discuss whether the maize mutants known to control root development may also influence quantitative aspects of root architecture, including the extent to which they overlap with the most recent maize root-trait QTL. We highlight specific challenges and anticipate the impacts that emerging technologies, especially computational approaches, may have toward the identification of genes controlling root quantitative traits.
This article was published in the following journal.
Name: Plant & cell physiology
The production and regulation of defensive specialized metabolites play a central role in pathogen resistance in maize (Zea mays) and other plants. Therefore, identification of genes involved in plant...
Studying the effects of small molecules on root system development in the context of a large-scale chemical genetic screen has previously been a technical challenge. The recent development of novel se...
Multiparent advanced generation inter-cross (MAGIC) populations can provide improved genetic mapping resolution by increasing allelic diversity and effective recombination. The Four Parent Maize (FPM;...
A greenhouse pot experiment was conducted to investigate the effects of arbuscular mycorrhizal (AM) fungi (CE) and (RI) on AM colonization rate, biomass, nutrient uptake, C:N:P stoichiometry, and th...
The development of crops with better growth under suboptimal phosphorus availability would improve food security in developing countries while reducing environmental pollution in developed countries. ...
The purpose of this intervention study is to assess the feasibility and acceptability of soy-fiber-maize versus soy-maize complementary foods on bowel movement frequency, transit time, gro...
The purpose of this randomized control trial is to test the impact of provitamin A carotenoid biofortified maize meal consumption on maternal and infant vitamin A status.
The purpose of this study is to determine the effects of a dietary fiber, resistant starch, on insulin sensitivity. Low insulin sensitivity is a risk factor for some diseases including ty...
The purpose of this study is to determine how well the body absorbs the carotenoid beta-cryptoxanthin (BCX) from a type of corn that has been naturally bred (not genetically engineered) to...
The progress in surgery of the aortic root and the evolution of transcatheter aortic valve replacement as an alternative to surgical treatment in selected patients have refocused the need ...
Locations, on the GENOME, of GENES or other genetic elements that encode or control the expression of a quantitative trait (QUANTITATIVE TRAIT, HERITABLE).
The art and science of designing buildings and structures. More generally, it is the design of the total built environment, including town planning, urban design, and landscape architecture.
A characteristic showing quantitative inheritance such as SKIN PIGMENTATION in humans. (From A Dictionary of Genetics, 4th ed)
Works consisting of drawings of architecture and architectural projects, whether the project was executed or not. (Art & Architecture Thesaurus, 1990, v.2)
Works on the art and science of designing buildings and structures. More generally, works on the design of the total built environment, including town planning, urban design, and landscape architecture.