Microbiology (MICRO)

MICRO 101. Microbial World.

(3-0) Cr. 3. F. Prereq: High school biology or equivalent
Introduction to the importance of viruses, bacteria, fungi, archaea and parasites both to humans and to the biosphere. Topics include past and present microbial impact on humans and society, ecology and diversity of microbes, biotechnology and microbial impact on the biosphere.

MICRO 110. Professional and Educational Preparation in Microbiology.

(1-0) Cr. 1. F.
An introduction to curriculum and research opportunities in microbiology at Iowa State. Topics include: easing the transition to life as a university student, development of specific goals, strengthening interpersonal communication, professional portfolio creation and resume building. Offered on a satisfactory-fail basis only.

MICRO 201. Introduction to Microbiology.

(2-0) Cr. 2. F.S. Prereq: One semester of college-level biology
Selected topics in microbiology with emphasis on the relationship of microorganisms to human and animal health, agricultural technology, and the environment. With written petition to the chair of the supervisory committee, students who obtain a grade of B or better may substitute 201 for MICRO 302 in advanced courses.

MICRO 201L. Introductory Microbiology Laboratory.

(0-2) Cr. 1. F.S. Prereq: Credit or enrollment in MICRO 201 or MICRO 302
Basic microbiology laboratory techniques for non-microbiology majors. Credit for either Micro 201L or 302L, but not both, may be applied toward graduation.

MICRO 302. Biology of Microorganisms.

(3-0) Cr. 3. F.S.SS. Prereq: BIOL 211, credit or enrollment in BIOL 212; 1 semester of chemistry
Basic cell biology, physiology, metabolism, genetics and ecology of microorganisms, with an emphasis on ,prokaryotes and viruses, as well as the roles of microorganisms in the environment, disease, agriculture, and industry.

MICRO 302L. Microbiology Laboratory.

(0-3) Cr. 1. F.S. Prereq: Credit or enrollment in MICRO 302
Basic microbiology laboratory techniques for majors in microbiology, biological sciences and related fields. Credit for either Micro 201L or 302L, but not both, may be applied toward graduation.

MICRO 310. Medical Microbiology.

(3-0) Cr. 3. F. Prereq: MICRO 302 (or MICRO 201 if a B or better was obtained)
Study of infection and immunity by bacterial and viral pathogenic agents of humans with an overview of immune responses in controlling disease.

MICRO 310L. Medical Microbiology Laboratory.

(0-3) Cr. 1. F. Prereq: MICRO 201 or MICRO 302; MICRO 201L or MICRO 302L, credit or enrollment in MICRO 310
Isolation and identification of human bacterial pathogens using basic staining techniques and biochemical tests. Brief introduction to techniques in cell culture and virology.

MICRO 320. Molecular and Cellular Bacteriology.

(4-0) Cr. 4. S. Prereq: MICRO 302, BIOL 313, credit or enrollment in CHEM 332
Introductory course integrating physiological and genetic principles influencing bacterial growth, survival, and cellular differentiation. Emphasis is on prokaryotes although unicellular eukaryotes are also discussed. Topics include the structure, function, and assembly of cell components, bioenergetics and metabolism, regulation of gene expression, genetic adaptation, stress tolerance, biofilms, and cell-cell interactions and communication.

MICRO 353. Introductory Parasitology.

(Cross-listed with BIOL, V PTH). (3-0) Cr. 3. S. Prereq: BIOL 212
Biology and host-parasite relationships of major groups of animal parasites, and techniques of diagnosing and studying parasites.

MICRO 374. Insects and Our Health.

(Cross-listed with ENT). (3-0) Cr. 3. S. Prereq: 3 credits in biological sciences
Identification, biology, and significance of insects and arthropods that affect the health of humans and animals, particularly those that are vectors of disease.

Meets International Perspectives Requirement.

MICRO 374L. Insects and Our Health Laboratory.

(Cross-listed with ENT). (0-3) Cr. 1. Alt. S., offered even-numbered years. Prereq: Credit or enrollment in ENT 374
Laboratory and field techniques for studying medical or public health entomology, including: collection, identification and maintenance of medically significant arthropods and experimental design and execution related to the biology of arthropods or arthropod-pathogen interactions.

MICRO 381. Environmental Systems I: Introduction to Environmental Systems.

(Cross-listed with BIOL, ENSCI, ENV S). Cr. 3-4. F. Prereq: 12 credits of natural science including biology and chemistry
Introduction to the structure and function of natural environmental systems. Emphasis on the analysis of material and energy flows in natural environmental systems and the primary environmental factors controlling these systems.

MICRO 402. Microbial Genetics and Genomics.

(Dual-listed with MICRO 502). (3-0) Cr. 3. Alt. F., offered even-numbered years. Prereq: MICRO 302, BIOL 313
The fundamental concepts of bacterial and bacteriophage genetics including mutagenesis, mechanisms of both vertical and horizontal genetic information transfer, gene regulation, and genetic approaches to study complex cellular processes. Review and discussion of research literature to examine experimental design, methodology, and interpretation of both historical and contemporary relevance to microbial genetics.

MICRO 407. Microbiological Safety of Foods of Animal Origins.

(Dual-listed with MICRO 507). (Cross-listed with FS HN). (3-0) Cr. 3. S. Prereq: MICRO 420
Examination of the various factors in the production of foods of animal origin, from animal production through processing, distribution and final consumption which contribute to the overall microbiological safety of the food. The two modules of this course will be 1) the procedures and processes which can affect the overall microbiological safety of the food, and 2) the Hazard Analysis Critical Control Point (HACCP) system.

MICRO 408. Virology.

(Dual-listed with MICRO 508). (3-0) Cr. 3. F. Prereq: BIOL 313 or BBMB 301, BIOL 314 recommended
The molecular virology and epidemiology of human, animal, plant and insect viruses.

MICRO 410. Insect-Virus Interactions: a Molecular Perspective.

(Dual-listed with MICRO 510). (Cross-listed with ENT). (3-0) Cr. 3. Alt. F., offered odd-numbered years. Prereq: Permission of an instructor.
Overview of insect-virus interactions including insect immunity to viruses, genetic enhancement of viral insecticides, transgenic mosquitoes, disruption of virus transmission, and the role of insect and virus genomics in combating viral disease of both human and agricultural importance.

MICRO 419. Foodborne Hazards.

(Cross-listed with FS HN, TOX). (3-0) Cr. 3. Alt. S., offered even-numbered years. Prereq: MICRO 201 or MICRO 302, a course in biochemistry
Pathogenesis of human microbiological foodborne infections and intoxications, principles of toxicology, major classes of toxicants in the food supply, governmental regulation of foodborne hazards. Only one of FS HN 419 and FS HN 519 may count toward graduation.

MICRO 420. Food Microbiology.

(Cross-listed with FS HN, TOX). (3-0) Cr. 3. F. Prereq: MICRO 201 or MICRO 302
Effects of microbial growth in foods. Methods to control, detect, and enumerate microorganisms in food and water. Foodborne infections and intoxications.

MICRO 421. Food Microbiology Laboratory.

(Cross-listed with FS HN). (0-6) Cr. 3. F. Prereq: MICRO 201 or MICRO 302; MICRO 201L or MICRO 302L. Credit or enrollment in FS HN/MICRO 420
Standard techniques used for the microbiological examination of foods. Independent and group projects on student-generated questions in food microbiology. Emphasis on oral and written communication and group interaction.

MICRO 430. Procaryotic Diversity and Ecology.

(Dual-listed with MICRO 530). (Cross-listed with BBMB). (3-0) Cr. 3. Alt. S., offered odd-numbered years. Prereq: MICRO 302, MICRO 302L
Survey of the diverse groups of procaryotes emphasizing important and distinguishing metabolic, phylogenetic, morphological, and ecological features of members of those groups.

MICRO 440. Laboratory in Microbial Physiology, Diversity, and Genetics.

(Cross-listed with BBMB). (2-6) Cr. 4. F. Prereq: MICRO 302, MICRO 302L, CHEM 332, BIOL 313L
Fundamental techniques and theory for studying the cellular mechanisms and diversity of microbial life. Experimental techniques will include isolation and physiological characterization of bacteria that inhabit different environments. Also included are techniques for phylogenetic characterization, measuring gene expression, and genetic manipulation of diverse species of bacteria. Essential components for the effective communication of scientific results are also emphasized.

MICRO 450. Undergraduate Seminar.

(2-0) Cr. 2. S. Prereq: SP CM 212 and senior standing in Microbiology
Required of all undergraduate majors in microbiology. Discussion of current papers in microbiology and immunology, issues in scientific conduct, and bioethics in microbiology. Students present current papers in a journal club format and gain experience in writing grant proposals.

MICRO 451. Senior Survey in Microbiology.

Cr. R. F. Prereq: Junior or Senior standing in Microbiology
Preparations for graduation. Topics include job search strategies, career information, mock interviews, graduate and professional school application processes and guidelines as well as outcomes assessment activities.

MICRO 456. Principles of Mycology.

(Cross-listed with BIOL). (2-3) Cr. 3. F. Prereq: 10 credits in biological sciences
Morphology, diversity, and ecology of fungi; their relation to agriculture, industry, and human health.

MICRO 475. Immunology.

(Dual-listed with MICRO 575). (3-0) Cr. 3. S. Prereq: MICRO 310
An examination of humoral and cellular immune function as well as the interaction of the cells and factors of the immune system that result in health and disease. MICRO 475L optional. Credit for either Micro 475 or V MPM 520, but not both, may be applied to graduation.

MICRO 475L. Immunology Laboratory.

(1-4) Cr. 1. S. Prereq: Credit or enrollment in MICRO 310 or MICRO 475 or MICRO 575
Techniques in primary culture and tumor cell growth, measures of lymphocyte function, serological techniques and flow cytometry. Half semester course.

MICRO 477. Bacterial-Plant Interactions.

(Dual-listed with MICRO 577). (Cross-listed with PL P). (3-0) Cr. 3. Alt. S., offered even-numbered years. Prereq: 3 credits in microbiology or plant pathology
Overview of plant-associated bacteria including their ecology, diversity, and the physiological and molecular mechanisms involved with their interactions with plants. The course covers bacterial plant pathogens and pathogenesis, nitrogen fixation and plant symbioses, biological control and plant growth promotion, bacterial disease diagnosis and management, and approaches to the study of microbial communities in the rhizosphere and on leaves.

MICRO 485. Soil and Environmental Microbiology.

(Dual-listed with MICRO 585). (Cross-listed with AGRON, ENSCI). (2-3) Cr. 3. F. Prereq: AGRON 154 or AGRON 402, MICRO 201 (MICRO 201L recommended)
The living organisms in the soil and what they do. Emphasis on soil biota composition, the carbon cycle and bioremediation, soil-plant-microbial relationships, and environmental issues.

MICRO 487. Microbial Ecology.

(Cross-listed with BIOL, ENSCI). (3-0) Cr. 3. F. Prereq: Six credits in biology and 6 credits in chemistry
Introduction to major functional groups of autotrophic and heterotrophic microorganisms and their roles in natural systems.

MICRO 490. Independent Study.

Cr. 1-5. Repeatable, maximum of 6 credits. F.S.SS. Prereq: A minimum of 6 credits of 300-level or above coursework in microbiology, permission of instructor
A maximum of 6 credits of Micro 490 may be used toward the total of 128 credits required for graduation.

MICRO 490H. Independent Study, Honors.

Cr. 1-5. Repeatable, maximum of 6 credits. F.S.SS. Prereq: A minimum of 6 credits of 300-level or above coursework in microbiology, permission of instructor
A maximum of 6 credits of Micro 490 may be used toward the total of 128 credits required for graduation.

MICRO 495. Internship.

Cr. 1-2. F.S. Prereq: At least 6 credits of 300-level or above coursework in microbiology, approval of academic adviser
Participation in the Cooperative Extension Intern Program or an equivalent work experience. Written report of activities required. Offered on a satisfactory-fail basis only.

MICRO 502. Microbial Genetics and Genomics.

(Dual-listed with MICRO 402). (3-0) Cr. 3. Alt. F., offered even-numbered years. Prereq: MICRO 302, BIOL 313
The fundamental concepts of bacterial and bacteriophage genetics including mutagenesis, mechanisms of both vertical and horizontal genetic information transfer, gene regulation, and genetic approaches to study complex cellular processes. Review and discussion of research literature to examine experimental design, methodology, and interpretation of both historical and contemporary relevance to microbial genetics.

MICRO 507. Microbiological Safety of Foods of Animal Origins.

(Dual-listed with MICRO 407). (Cross-listed with FS HN). (3-0) Cr. 3. S. Prereq: MICRO 420
Examination of the various factors in the production of foods of animal origin, from animal production through processing, distribution and final consumption which contribute to the overall microbiological safety of the food. The two modules of this course will be 1) the procedures and processes which can affect the overall microbiological safety of the food, and 2) the Hazard Analysis Critical Control Point (HACCP) system.

MICRO 508. Virology.

(Dual-listed with MICRO 408). (3-0) Cr. 3. F. Prereq: BIOL 313 or BBMB 301, BIOL 314 recommended
The molecular virology and epidemiology of human, animal, plant, and insect viruses.

MICRO 509. Plant Virology.

(Cross-listed with PL P). (2-6) Cr. 4. Alt. S., offered odd-numbered years. Prereq: PL P 408, BIOL 454, BBMB 405, CHEM 211
Hill. Plant viruses and the diseases they cause. Emphasis on epidemiology and control. Structure, function, and biochemical-biophysical properties of plant viruses.

MICRO 510. Insect-Virus Interactions: a Molecular Perspective.

(Dual-listed with MICRO 410). (Cross-listed with ENT). (3-0) Cr. 3. Alt. F., offered odd-numbered years. Prereq: Permission of an instructor
Bonning, Bartholomay. Overview of insect-virus interactions including insect immunity to viruses, genetic enhancement of viral insecticides, transgenic mosquitoes, disruption of virus transmission, and the role of insect and virus genomics in combating viral disease of both human and agricultural importance.

MICRO 525. Intestinal Microbiology.

(Cross-listed with V MPM). Cr. 3. Alt. S., offered even-numbered years. Prereq: MICRO 302, BIOL 313
Overview of commensal microbiota in the health and well-being of vertebrates. Topics include diversity of intestinal structure, microbial diversity/function, innate immune development, community interactions and metabolic diseases associated with alterations of the intestinal microbiome.

MICRO 530. Procaryotic Diversity and Ecology.

(Dual-listed with MICRO 430). (Cross-listed with BBMB). (3-0) Cr. 3. Alt. S., offered odd-numbered years. Prereq: MICRO 302, MICRO 302L
Survey of the diverse groups of procaryotes emphasizing important and distinguishing metabolic, phylogenetic, morphological, and ecological features of members of those groups.

MICRO 540. Livestock Immunogenetics.

(Cross-listed with AN S, V MPM). (2-0) Cr. 2. Alt. S., offered odd-numbered years. Prereq: AN S 561 or MICRO 575 or V MPM 520
Basic concepts and contemporary topics in genetic regulation of livestock immune response and disease resistance.

MICRO 551. Microbial Diversity and Phylogeny.

(1-0) Cr. 1. F. Prereq: MICRO 302, BIOL 313
Comparisons among the three kingdoms of life (Bacterica, Archaea, and Eukarya). Topics will include metabolism, adaptation, methods of phylogenetic analysis, and comparative genomics.

MICRO 552. Bacterial Molecular Genetics and Physiology.

(1-0) Cr. 1. F. Prereq: MICRO 302, BIOL 313
Review of genetics and selected physiological topics of model bacteria.

MICRO 553. Pathogenic Microorganisms.

(1-0) Cr. 1. F. Prereq: MICRO 302, BIOL 313
Review and contrast/comparison of common bacterial pathogens of plants and animals and their mechanisms of virulence, including toxins, protein secretion, host invasion and iron acquisition strategies. An overview of eukaryotic cell biology that is relevant to pathogenesis will also be included.

MICRO 554. Virology.

(1-0) Cr. 1. S. Prereq: MICRO 302, BIOL 313
Introduction to virus life cycles including entry, gene expression strategies, replication, and mechanisms to modify and overcome host defenses. The roles of specific viruses and sub-viral agents in animal and plant disease will also be included.

MICRO 555. Fungal Biology.

(1-0) Cr. 1. S. Prereq: MICRO 302, BIOL 313
Ecology, genetics, physiology and diversity of fungi, from yeasts to mushrooms, and their importance in human affairs.

MICRO 556. Ecology of Microorganisms.

(1-0) Cr. 1. S. Prereq: MICRO 302, BIOL 313
The study of microorganisms in their natural environments, with a focus on terrestrial and aquatic ecosystems, including eukaryotic hosts; interactions within biofilms and communities, including intercellular communication and symbioses; microbial adaptations to extreme environments; and metagemomic, genomic, molecular and microscopy techniques for the study of microbes in natural systems.

MICRO 575. Immunology.

(Dual-listed with MICRO 475). (Cross-listed with V MPM). (3-0) Cr. 3. S. Prereq: MICRO 310
An examination of humoral and cellular immune function as well as the interaction of the cells and factors of the immune system that result in health and disease. MICRO 475L optional. Credit for either Micro 475 or V MPM 520, but not both, may be applied to graduation.

MICRO 577. Bacterial-Plant Interactions.

(Dual-listed with MICRO 477). (Cross-listed with PL P). (3-0) Cr. 3. Alt. S., offered even-numbered years. Prereq: 3 credits in microbiology or plant pathology
Overview of plant-associated bacteria including their ecology, diversity, and the physiological and molecular mechanisms involved with their interactions with plants. The course covers bacterial plant pathogens and pathogenesis, nitrogen fixation and plant symbioses, biological control and plant growth promotion, bacterial disease diagnosis and management, and approaches to the study of microbial communities in the rhizosphere and on leaves.

MICRO 585. Soil and Environmental Microbiology.

(Dual-listed with MICRO 485). (Cross-listed with AGRON, ENSCI). (2-3) Cr. 3. F. Prereq: AGRON 154 or AGRON 402, MICRO 201 (MICRO 201L recommended)
Loynachan. The living organisms in the soil and what they do. Emphasis on soil biota composition, the carbon cycle and bioremediation, soil-plant-microbial relationships, and environmental issues.

MICRO 586. Medical Bacteriology.

(Cross-listed with V MPM). (4-0) Cr. 4. F. Prereq: Permission of instructor
Bacteria associated with diseases of vertebrates, including virulence factors and interaction of host responses.

MICRO 587. Microbial Ecology.

(Dual-listed with MICRO 487). (Cross-listed with EEOB, ENSCI). (3-0) Cr. 3. F. Prereq: Six credits in biology and 6 credits in chemistry
Introduction to major functional groups of autotrophic and heterotrophic microorganisms and their roles in natural systems.

MICRO 590. Special Topics.

Cr. 1-5. Repeatable. F.S.SS. Prereq: Permission of instructor

MICRO 604. Seminar.

(1-0) Cr. 1. Repeatable. F.S.
Course will expose students to the breadth of subdisciplines within microbiology, offer opportunities for direct interaction between the students and the faculty members within the Interdepartmental Microbiology Graduate Program, and promote interactions among the students within the program. Offered on a satisfactory-fail basis only.

MICRO 608. Molecular Virology.

(Cross-listed with PL P, V MPM). (3-0) Cr. 3. Alt. F., offered even-numbered years. Prereq: BBMB 405 or GDCB 511
Advanced study of virus host-cell interactions. Molecular mechanisms of viral replication and pathogenesis.

MICRO 615. Molecular Immunology.

(Cross-listed with BBMB, V MPM). (3-0) Cr. 3. Alt. F., offered odd-numbered years. Prereq: BBMB 405 or BBMB 502
Current topics in molecular aspects of immunology: T and B cell receptors; major histocompatibility complex; antibody structure; immunosuppressive drugs and viruses; and intracellular signaling pathways leading to expression of genes that control and activate immune function.

MICRO 625. Mechanisms of Bacterial Pathogenesis.

(Cross-listed with V MPM). (4-0) Cr. 4. Alt. S., offered odd-numbered years. Prereq: Credit in Biochemistry and Microbiology
Review of current concepts in specific areas of microbial pathogenesis including the genetic basis for bacterial disease, genetic regulation and control of virulence factors and their mechanisms of action, and host-pathogen interactions at the cellular and molecular levels. The application of microbial genetics to understanding pathogenesis will be included.

MICRO 626. Advanced Food Microbiology.

(Cross-listed with FS HN, TOX). (3-0) Cr. 3. Alt. S., offered odd-numbered years. Prereq: FS HN 420 or FS HN 421 or FS HN 504
Topics of current interest in food microbiology, including new foodborne pathogens, rapid identification methods, effect of food properties and new preservation techniques on microbial growth, and mode of action of antimicrobials.

MICRO 627. Rapid Methods in Food Microbiology.

(Cross-listed with FS HN, TOX). (2-0) Cr. 2. Alt. S., offered even-numbered years. Prereq: FS HN 420 or FS HN 421 or FS HN 504
Provides an overview of rapid microbial detection methods for use in foods. Topics include historical aspects of rapid microbial detection, basic categories of rapid tests (phenotypic, genotypic, whole cell, etc.), existing commercial test formats and kits, automation in testing, sample preparation and "next generation" testing formats now in development.

MICRO 679. Light Microscopy.

(Cross-listed with EEOB, GDCB). (2-9) Cr. 5. Prereq: Permission of instructor
Current theories encompassing light optics and their applications for specimen preservation, paraffin and resin sectioning, general staining, histochemistry, cytophotometry, immunocytochemistry, autoradiography, image digitization, processing and presentation, and digital macro- and micrography. Limit of 10 students.

MICRO 680. Scanning Electron Microscopy.

(Cross-listed with EEOB, GDCB). (2-9) Cr. 5. Prereq: Permission of instructor
Current theories encompassing scanning electron optics and their applications for high and low vacuum microscopy, specimen chemical and cryopreservation methods, x-ray microanalysis, backscattered and topographic imaging, image digitization, processing and presentation. Limit of 10 students.

MICRO 681. Transmission Electron Microscopy.

(Cross-listed with EEOB, GDCB). (2-9) Cr. 5. Prereq: GDCB 679 and permission of instructor
Current theories encompassing electron optics and their applications for chemical and physical specimen preservation, ultramicrotomy, general staining and cytochemistry, immunocytochemistry, autoradiography, negative staining and shadowing, x-ray microanalysis, image digitization, processing and presentation.

MICRO 685. Advanced Soil Biochemistry.

(Cross-listed with AGRON, ENSCI). (2-0) Cr. 2. Alt. S., offered even-numbered years. Prereq: AGRON 585
Chemistry of soil organic matter and biochemical transformations brought about by microorganisms and enzymes in soils.

MICRO 690. Current Topics.

Cr. 1-3. Repeatable. F.S.SS. Prereq: Permission of instructor
Colloquia or advanced study of specific topics in a specialized field.

MICRO 690A. Current Topics: Microbiology.

Cr. 1-3. Repeatable. F.S.SS. Prereq: Permission of instructor
Colloquia or advanced study of specific topics in a specialized field.

MICRO 690B. Current Topics: Immunology.

Cr. 1-3. Repeatable. F.S.SS. Prereq: Permission of instructor
Colloquia or advanced study of specific topics in a specialized field.

MICRO 690C. Current Topics: Infectious Diseases.

Cr. 1-3. Repeatable. F.S.SS. Prereq: Permission of instructor
Colloquia or advanced study of specific topics in a specialized field.

MICRO 692. Molecular Biology of Plant-Pathogen Interactions.

(Cross-listed with PL P). (3-0) Cr. 3. Alt. F., offered even-numbered years. Prereq: PL P 506 or BBMB 405 or GEN 411 or MICRO 402 or strong background in molecular biology
Seminal and current research in molecular and physiological aspects of plant interactions with pathogens, including mechanisms of pathogenesis, host-pathogen recognition and host defense, with an emphasis on critical evaluation of primary literature. Students also complete a research proposal writing and peer review exercise.

MICRO 697. Graduate Research Rotation.

Cr. arr. Repeatable. F.S.
Graduate research projects performed under the supervision of selected faculty members in the Interdepartmental Microbiology major.

MICRO 698. Seminar in Molecular, Cellular, and Developmental Biology.

(Cross-listed with BBMB, GDCB, MCDB, V MPM). (2-0) Cr. 1-2. Repeatable. F.S.
Student and faculty presentations.

MICRO 699. Research.

Cr. arr. Repeatable.