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Overexpression And Purification Of The Oat (Avena Fatua) Protein Afn1 And Construction Of A Pmal/Afn1 Expression Plasmid, Tenzin D. Tsewang
Overexpression And Purification Of The Oat (Avena Fatua) Protein Afn1 And Construction Of A Pmal/Afn1 Expression Plasmid, Tenzin D. Tsewang
Undergraduate Research Symposium (UGRS)
Abscisic acid (ABA) is an important phytohormone with regulatory roles in many physiological processes. ABA expression is induced by environmental stresses such as drought and it is known to be an inhibitor of seed germination. A wild oat (Avena fatua) called AFN1 has been hypothesized to initiate the early stages of germination as its mRNA accumulates in nondormant seed embryos during imbibition. The polypeptide sequence of AFN1 suggests that it is an ABA glucosyl transferase. Glucosylation by AFN1 and thereby inactivation of ABA could lead to seed germination. In order to understand the role of AFN1 in germination, an ample …
Characterization Of The Wheat Grain Pkaba1-Interacting Protein Tawd40, Natalie Wayne
Characterization Of The Wheat Grain Pkaba1-Interacting Protein Tawd40, Natalie Wayne
Undergraduate Research Symposium (UGRS)
Abscisic acid (ABA)-mediated gene expression is a critical component of plant responses to this important hormone, which affects plant growth, development, and responses to environmental stresses. Plant responses to ABA are mediated by a number of factors including PKABA1, an ABA induced protein kinase involved in ABA-suppressed gene expression in cereal grains, and TaWD40, which has previously been shown to physically interact with PKABA1. A full-length 1.9 kb TaWD40 cDNA, CK210682, was sequenced as part of this project. Based on the deduced protein sequence, it is thought that TaWD40 may belong to the family of E3 ubiquitin ligases, possibly targeting …