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Iowa State University

2018

Plant Sciences

Graduate Theses and Dissertations

Bio fuel

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Increase Tiller Production In Switchgrass By Crispr/Cas9, Yang Liu Jan 2018

Increase Tiller Production In Switchgrass By Crispr/Cas9, Yang Liu

Graduate Theses and Dissertations

Switchgrass (Panicum virgatum) is an important bioenergy crop in United States. During past decades, numerous research studies on switchgrass breeding, genetics and biology have been conducted to improve the biomass yield of switchgrass. It has been shown that tiller number is positively correlated with biomass yield in switchgrass. To facilitate breeding improvement for tiller production, it is urgent to understand the tillering mechanism at the molecular level in switchgrass. The teosinte branched 1 (tb1) gene is a well-studied branching related gene in grasses. Yet, the function of tb1-like genes in switchgrass is still not clear. Characterizing the roles of Panicum ...