plant breeding

Clayton Carley Ph.D. Graduate Research Assistant
Clayton N Carley
Graduate Assistant-Research

The Brown Graduate Fellowship has been awarded to two Agronomy Graduate students, Qi Mu and Mauricio Tejera. The Brown Graduate Fellowship is to be used to strategically advance ISU research in the areas of study that are governed by the Valentine Hammes Family and Leopold Hammes Brown Family Trust.  The areas of study include science, agriculture, and space science. The preference is to fund Ph.D. students, although exceptional M.S. students will be considered.


Brown Graduate Fellowship Awardee

Parallel Algorithms and Software for High-Throughput Sequence Assembly

High-throughput next-generation DNA sequencing technologies (NGS) are causing a major revolution in life sciences research by allowing rapid and cost-effective sampling of genomes and transcriptomes (expressed genomic sequences). Assembly of genomes and transcriptomes from billions of such randomly sampled sequences is an important problem in computational biology. While significant strides have been made, much work remains in addressing the diverse and rapidly emerging platforms, improving assembly quality, and scaling to both large-scale data sizes and large genomes.

Hierarchical Modeling and Parallelized Bayesian Inference for the Analysis of RNAseq Data

This proposal focuses on the development of hierarchical models and parallelized Bayesian inference for the analysis of RNA sequencing (RNAseq) data. Special emphasis is placed on gene expression profiling of parental inbred lines and their hybrid offspring for the discovery of key genes underlying heterosis, the genetic phenomenon otherwise known as hybrid vigor.

Genetic networks regulating structure and function of the maize shoot apical meristem

The shoot apical meristem (SAM) is responsible for development of all above ground organs in the plant. SAM structure and function correlates with agronomically-important adult traits in the maize plant, and is also affected by planting density and shade stresses induced by agricultural environments. The ultimate goal of this project is to increase understanding of the regulatory networks controlling SAM structure and function and the responses of these networks to environmental stresses.

Low-cost nitrate sensors to populate genotype-informed yield prediction models for next generation breeders

Our civilization depends on continuously increasing levels of agricultural productivity, which itself depends on (among other things) the interplay of crop varieties and the environments in which these varieties are grown. Hence, to increase agricultural productivity and yield stability, it is necessary to develop improved crop varieties that deliver ever more yield, even under the variable weather conditions induced by global climate change, all the while minimizing the use of inputs such as fertilizers that are limiting, expensive or have undesirable ecological impacts.

Development and Evaluation of Improved Strategies for Genomic Selection Via Simulations and Empirical Testing

The overall goal of the proposed project is to increase the efficiency of crop breeding programs by developing and deploying improved genomic selection strategies that rely on improvements in the selection and mating steps.As a consequence of growing populations, changing diets, and the challenges of climate change, agricultural systems must produce more with less. More means greater demand for agricultural products such as food, feed, energy and fiber.

Jialu Wei
Graduate Assistant-Research


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