Instructor: Aram Mikaelyan
Credits: 3
Course Offerings: Fall semester (Tue/Thu; 09:30 - 11:00)
NEXT OFFERING: Fall 2020
Requirements: Graduate standing -or- Consent of instructor
Venue: 1405, Gardner Hall
Description: Insects are characterized by a diversity and complexity of host-microbe interactions that make them a marvel to behold. As they diversified over the last 400 million years, insects have forged unique relationships with the microbial world. Ranging from the pathogenic to the mutualistic, from intracellular symbionts to gut microbiomes, from digestion to sex determination, host-microbe interactions have fundamentally shaped the insect evolution. In this course, we will explore this fascinating and unique landscape of insect-microbe interactions, covering topics including insect immunity, entomopathogens, intracellular symbionts, and gut microbiomes.
The course will include lectures, discussions, analyses and in-class games. Because of the interactive nature of the class, attendance is critical and will be recorded.
Please enroll under the right course number!
491 - Upper-level undergraduate students
591 - MS graduate students
791 - PhD graduate students
Bugs inside of bugs (inside of bugs?): Can any bacterium become an endosymbiont?
Altered Nitrogen: nutritional symbioses driven by the search for fixed N.
Triumph of daughters: reproductive symbioses and skewed sex ratios
An enemy of an enemy: defensive symbioses
External microbial partners
Eaters of the dead: extraoral digestion of carrion and wood
Civilization 1.0: Fungiculture in social insects
Parallel evolution: when is it coevolution?
Tangled trees: When is it cospeciation?
No insect is an island: What is not part of the holobiont?
Speciation by symbiosis: can the microbiome influence speciation?
Symbiotic digestion: outsourcing nutrition to the microbiome
Defective development: What does a germ-free fly have to lose?
Under the influence: insect behavior and the microbiome
1-microliter ecosystems: community ecology in insect microbiomes
Phylosymbiosis: Patterns of parallel evolution in gut microbiomes
Standing up to pathogens without a backbone: the innate immune system of invertebrates
Physical barriers: the cuticle, peritrophic membrane, and the gut microbiome
Know your enemy: pathogen associated microbial peptides
Combat cascades: signal transduction following pathogen recognition
Killer cells: cell-mediated immunity
Projectiles: AMPs, ROS and humoral immunity
Adaptations to cramped living: social immunity
Telling foes apart: specific immunity in insects
The dark side: What makes any pathogen successful and a host susceptible?
Her Red Majesty: coevolution between host and pathogen
Creating white walkers: the role of fungal spores in dispersal, transmission and infection
Way to the insect’s heart: bacterial pathogens
Strength in genetic diversity: viral pathogens
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