Required Readings
Rhizobia-http://en.wikipedia.org/wiki/Rhizobia
Scientific Literature
Here are some papers from the scientific literature examining this system. If you are interested then take a look at some of these papers. I don't expect you to understand everything in these papers, but I would like you to see the diversity of approaches that moderm scientists are using to study this system.
Lifestyle alternatives for rhizobia: mutualism, parasitism,
and forgoing- symbiosis
http://people.umass.edu/lsadler/adlersite/kiers/Alternativelifestyles1.pdf
Host sanctions and the legume–rhizobium mutualism-
http://www.nature.com/nature/journal/v425/n6953/abs/nature01931.html (then click on "full text")
A mechanistic molecular test of the plant-sanction hypothesis in legume–rhizobia mutualism
http://www.sciencedirect.com/science?_ob=ArticleURL&_udi=B6VR3-4WPS9PP-1&_user=2605799&_rdoc=1&_fmt=&_orig=search&_sort=d&_docanchor=&view=c&_searchStrId=1100808123&_rerunOrigin=google&_acct=C000055350&_version=1&_urlVersion=0&_userid=2605799&md5=491bf0585068046d9ae2f49e3bb7a905
Powerpoint Presentation
Plant-Microbe Interactions: Rhizobia/Legumes
http://www.slideshare.net/secret/AZNj5BIH5bqGC8
Expected Learning Outcomes
By the end of this course a fully engaged student should be able to
- discuss how and why participants in an apparently mutualistic relationship should be "selfish"
- describe the pattern of nodule formation
- discuss the importance of nitrogenase and leghaemogolbin for nitrogen fixation
- discuss circumstances under which plants would like to limit nodulation or nitrogen fixation by rhizobia
- discuss "partner choice" and "santioning" in this system
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