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Full-Text Articles in Life Sciences

Brachypodium Distachyon Gnrf, Swam1 And Swam4 Are Transcriptional Regulators Of Secondary Cell Wall Biosynthesis, Sandra Romero-Gamboa Jul 2019

Brachypodium Distachyon Gnrf, Swam1 And Swam4 Are Transcriptional Regulators Of Secondary Cell Wall Biosynthesis, Sandra Romero-Gamboa

Doctoral Dissertations

Plant cell walls are complex structures that contain a matrix of cellulose, lignin and hemicellulose. The regulation of the biosynthesis of these components has been well-studied in the eudicot plant Arabidopsis thaliana, and a transcriptional network has been elucidated. Several NAC and MYB family transcription factors are key regulators of secondary cell wall biosynthesis, and their functional characterization provides significant insight into the complex underlying transcriptional network. Genetic and structural evidence suggests that genes controlling this process might be different between eudicots and monocots. Here, the model grass Brachypodium distachyon has been selected to characterize the function of GNRF …


The Good, The Bad, And The Ugly: Pollinators As Vectors Of Mummy Berry Disease In Highbush Blueberry, Matthew Boyer Mar 2019

The Good, The Bad, And The Ugly: Pollinators As Vectors Of Mummy Berry Disease In Highbush Blueberry, Matthew Boyer

Doctoral Dissertations

Background: Many plants must balance the need for pollination services with mediating the risk of pollinator-vectored pathogens. Vaccinium corymbosum, highbush blueberry, is negatively affected by an insect-vectored, fungal plant pathogen, Monilinia vaccinii-corymosi (MVC), the cause of mummy berry disease, in which the asexual spore mimics pollen grains and is transferred from blighted tissue to flowers via pollinators, resulting in inedible, hardened fruits. Highbush blueberry plants require outcrossed pollen for maximum yield and fecundity. Therefore, yield of blueberry plants rely on a balance between adequate pollination service and disease avoidance. Approach: To explore the relationship between pollinator community and infection …