TraitMill: a Discovery Engine for Identifying Yield-enhancement Genes in Cereals

Reuzeau, Christophe; Pen, J.; Frankard, Valérie; Wolf, Joris De; Peerbolte, R.; Broekaert, Willem F.; Camp, Wim Van

doi:10.5376/pgt.2010.01.0001

Cited by 34 publications

(30 citation statements)

References 6 publications

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“…The transgenic rice plants had ;15 to 44% higher grain yield per plant than that of the wild-type plants due to more numerous and bigger seeds both under greenhouse and field conditions (Wu et al, 2008). By contrast, overexpression of Os DWF4 under the control of a medium constitutive promoter in rice led to a reduction in both growth and seed production (Reuzeau et al, 2005), highlighting the importance of promoters for the success of a transgene.…”

Section: Seed Development and Seed Fillingmentioning

confidence: 98%

Boosting Crop Yields with Plant Steroids

2012

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Plant sterols and steroid hormones, the brassinosteroids (BRs), are compounds that exert a wide range of biological activities. They are essential for plant growth, reproduction, and responses to various abiotic and biotic stresses. Given the importance of sterols and BRs in these processes, engineering their biosynthetic and signaling pathways offers exciting potentials for enhancing crop yield. In this review, we focus on how alterations in components of sterol and BR metabolism and signaling or application of exogenous steroids and steroid inhibitors affect traits of agronomic importance. We also discuss areas for future research and identify the fine-tuning modulation of endogenous BR content as a promising strategy for crop improvement.

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Section: Seed Development and Seed Fillingmentioning

confidence: 98%

Boosting Crop Yields with Plant Steroids

2012

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“…Recently, some high-throughput plant phenotyping platforms (Reuzeau et al, 2005;Nagel et al, 2012;Honsdorf et al, 2014) and open-source image-analysis pipelines (Hartmann et al, 2011;Chen et al, 2014;Klukas et al, 2014) were developed to quantify phenotypic traits at the population level for different plant species. High-throughput noninvasive phenotyping also has been adopted successfully to assess the genetics of estimated biomass dynamics in maize (Junker et al, 2015;Muraya et al, 2017).…”

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confidence: 99%

High-Throughput Phenotyping and QTL Mapping Reveals the Genetic Architecture of Maize Plant Growth

et al. 2017

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With increasing demand for novel traits in crop breeding, the plant research community faces the challenge of quantitatively analyzing the structure and function of large numbers of plants. A clear goal of high-throughput phenotyping is to bridge the gap between genomics and phenomics. In this study, we quantified 106 traits from a maize (Zea mays) recombinant inbred line population (n = 167) across 16 developmental stages using the automatic phenotyping platform. Quantitative trait locus (QTL) mapping with a high-density genetic linkage map, including 2,496 recombinant bins, was used to uncover the genetic basis of these complex agronomic traits, and 988 QTLs have been identified for all investigated traits, including three QTL hotspots. Biomass accumulation and final yield were predicted using a combination of dissected traits in the early growth stage. These results reveal the dynamic genetic architecture of maize plant growth and enhance ideotype-based maize breeding and prediction.

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“…Investigations are aiming at overcoming bottlenecks at the ''source'' site (efficacy of photosynthesis), in the translocation process (carbohydrate transport between leaves and roots), in the ''sink'' organ (import of sugars into the vacuoles of storage cells and prevention of premature mobilization), as well as at the improvement of the plants' ability to react to abiotic stress conditions. While many of the genes under evaluation have been rationally selected based on the growing level of understanding of the underlying processes there have also been initiated experiments using genes which result from ''unbiased'' screening efforts (Reuzeau et al 2005). These have been based on the systematic search for genes which, upon constitutive ectopic overexpression, cause yield improvements and/or reduce the impact of various abiotic stress conditions in Arabidopsis and rice.…”

Section: Future Developmentsmentioning

confidence: 99%

Transgenic Varieties: Sugarbeet

Nehls¹,

Kraus²,

Matzk³

et al. 2010

Sugar Tech

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The development and market introduction of H7-1, the first commercially relevant transgenic sugarbeet, is described. A gene which sequence had been modified to code for a glyphosate-insensitive 5-enolpyrovylshikimate-3-phosphate synthase (EPSPS) was transferred to sugarbeet cells using Agrobacterium-mediated transformation. Plants were regenerated from such cells and were submitted to rigorous testing of their molecular, physiological, agronomic, and ecological properties. Data from these analyses constituted the basis for the legal deregulation of an elite transformation event. As results of this registration process permits for the cultivation of H7-1 have been issued in the USA, Canada, and Japan. For import purposes, food and feed utilization permits are in place in more than 15 countries, including the EU. H7-1 plants were used as starting material for the development of varieties adapted to the respective agronomical requirements of the designated cultivation areas, making extensive use of markerassisted backcrossing (MABC) as one of the breeding tools. In addition to herbicide tolerance, numerous other transgenic traits are currently under development. Their prospects and technical concepts are briefly discussed.

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TraitMill: a Discovery Engine for Identifying Yield-enhancement Genes in Cereals

Cited by 34 publications

References 6 publications

Boosting Crop Yields with Plant Steroids

Boosting Crop Yields with Plant Steroids

High-Throughput Phenotyping and QTL Mapping Reveals the Genetic Architecture of Maize Plant Growth

Transgenic Varieties: Sugarbeet

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