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BIOLOGY AND BIOMEDICAL SCIENCES (L41)  (Dept. Info)Arts & Sciences  (Policies)SP2023

L41 BIOL 1772Special Topics in Biology: Plant-Microbe Interactions1.0 Unit
Description:This is a research-based laboratory course offered by Dr. Barbara Kunkel in the Biology Department. The small class size and laboratory setting of the course is intended to foster development of student-professor mentoring relationships. Time commitment (weekly): 2 hours in lab, 1 hour of discussion (1 unit, P/F). Class size: 4 students Prerequisite: Permission of Instructor Research Question. Microbial organisms play very important roles in the lives of plants and animals. For example, in nature as well as in agricultural settings, the communities of microorganisms that grow near or on plants influence the growth and overall health of these plants. These plant-associated microbial communities are highly complex, and are comprised of thousands of different species, including bacteria and fungi. However, neither the role of individual microbial species within the larger microbial community, nor how such a community is beneficial to plants, is well understood. Each year the students in Bio1771 explore a different topic related to interactions between plants and their associated microbes. During the 2020/2021 academic year our research will focus on virulence mechanisms used by the plant pathogen Pseudomonas syringae to promote disease in plants. Recent research in the Kunkel lab has revealed that the plant hormone auxin promotes disease development in interactions between P. syringae strain PtoDC3000 and one of its host, Arabidopsis thaliana, a weedy plant in the mustard family. Auxin acts through at least two different mechanisms to promote disease, including 1) suppressing defense responses in the plant and 2) regulating gene expression in the pathogen. We will investigate this second activity by screening for and characterizing PtoDC3000 mutants that do not properly respond to auxin. Students will spend two hours per week in lab carrying out bacteriological and molecular biology experiments. Over the course of the semester, students will be exposed to a variety of fundamental topics in biology, including: bacteriology, plant growth and development, pathogenic plant-microbe interactions, and key concepts in genetics, molecular biology and biochemistry. The students will also meet with Dr. Kunkel for one hour per week to discuss a variety of topics chosen to explore: i) basic concepts in chemistry, biochemistry and molecular biology, ii) learning and study strategies, and iii) other topics related to thriving at WUSTL. This is a cotinumation of Bio1771, 0nly students enrolled in Bio1771 during Fall are permitted to enroll in this course.
Attributes:
Instruction Type:Independent study, tutorial, or other Grade Options:P Fees:
Course Type:HomeSame As:N/AFrequency:Annually / History
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Home/Ident

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Q=ME Q (Medical School)

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