Agronomy and Horticulture Department

 

Title

Inhibitors of Aromatic Amino Acid Biosynthesis

Date of this Version

2019

Document Type

Article

Citation

Plant and Soil Sciences eLibrary (PASSeL) Lesson

Comments

Copyright © 2019 Scott Nissen and Deana Namuth. Used by permission.

This project was supported in part by the National Research Initiative Competitive Grants CAP project 2011-68002-30029 from the USDA National Institute of Food and Agriculture, administered by the University of California-Davis and by the National Science Foundation (NSF), Division of Undergraduate Education, National SMETE Digital Library Program, Award #0938034, administered by the University of Nebraska. Any opinions, findings, conclusions, or recommendations expressed in this publication are those of the authors and do not necessarily reflect the views of the USDA or NSF.

Development of this lesson was supported in part by Cooperative State Research, Education, & Extension Service, U.S. Dept of Agriculture under Agreement Number 98-EATP-1-0403 administered by Cornell University and the American Distance Education Consortium (ADEC). Any opinions, findings, conclusions, or recommendations expressed in this publication are those of the authors and do not necessarily reflect the view of the U.S. Department of Agriculture.

Abstract

This lesson will detail the biochemical mechanisms that are affected by herbicides which inhibit a plant’s ability to synthesize amino acids. The significance of amino acids and proteins will also be described. The herbicide glyphosate, will be studied at length, including the advances made by biotechnology.

Overview

This lesson will detail the biochemical mechanisms that are affected by herbicides which inhibit a plant’s ability to synthesize amino acids. The significance of amino acids and proteins will also be described. The herbicide, glyphosate (i.e., Roundup), will be studied at length, including the advances made by biotechnology.

Objectives

At the completion of this lesson, students will be able to:

  1. Explain the importance of amino acid biosynthesis in plant growth and development.
  2. Understand that amino acid biosynthesis depends on a sub-group of proteins called enzymes.
  3. Describe how a class of herbicides can inhibit the biosynthesis of aromatic amino acids.
  4. Outline how plants can develop resistance to the herbicide family which inhibits the biosynthesis of aromatic amino acids.

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