Lecture 10 - Plant development

Lecture 10 - Plant development - Plant Development How does...

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Plant Development How does plant development differ from animal development? Where do the various parts of a plant come from?
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= hemicellulose Plant Cell Wall
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Cellulose microfibrils in cell wall Microtubules beneath plasma membrane
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Cellulose microfibril synthesis
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Cellulose microfibrils of primary cell wall Plant cell expansion: Loosen wall in a particular dimension Drive expansion with turgor pressure
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Secondary walls have more layers of polysaccharides, and cross-linked lignin. A thicker wall cannot stretch. Zhong and Ye (2007) Current Opinion in Plant Biology 10: 564-572
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Arabidopsis embryo development inside the seed
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Embryo fate map Shoot apical meristem
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Vegetative Shoot apical meristem (SAM)
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Vegetative shoot apical meristem (SAM)
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Bushy mutants of pea Morris et al. (2001) Plant Physiology 126: 1205-1213
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Umehara et al. (2008) Nature 455 , 195-200 Mutants define the strigolactone biosynthetic pathway in Arabidopsis , pea , and rice Synthesis Response
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Umehara et al. (2008) Nature 455 , 195-200 GR24 inhibits bud outgrowth in strigolactone-deficient mutants Rice Arabidopsis
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This note was uploaded on 05/26/2011 for the course BIO 205 taught by Professor Reed during the Spring '11 term at UNC.

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Lecture 10 - Plant development - Plant Development How does...

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