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Chapter 19 auxin. Summary: early experiments in auxin research. Auxin is transported to lower side of a horizontally oriented oat coleoptile ti p. Figure 19.27 . Lateral redistribution of auxin during phototropism. Auxin stimulates the elongation of oat coleoptile sections. - PowerPoint PPT Presentation
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Chapter 19 auxin
Summary: early experiments in auxin research
Auxin is transported to lower side of a horizontally oriented oat coleoptile tip
Figure 19.27
Lateral redistribution of auxin during phototropism
Auxin stimulates the elongation of oat coleoptile sections
Kinetics of auxin-induced elongation and cell wall acidification in maize coleoptiles
Figure 19.23
Figure 19.3 Structure of auxins
Demonstration of polar auxin transport with radiolabelled auxin (B)
Figure 19.6
Simplified chemiosmotic model of polar auxin transport
Figure 19.20 Typical dose–response curve for IAA-induced growth
Figure 19.15 Structures of auxin transport inhibitors
Auxin transport inhibitors block secretion of PIN1 to the plasma membrane
In Arabidopsis, two types of transport proteins direct the flow of auxin
Figure 19.32 Current model for redistribution of auxin during gravitropism in maize roots
Figure 19.28 Perception of gravity by statocytes of Arabidopsis
Gravistimulation results in asymmetric auxin accumulation in lateral root cells
Figure 19.33
Figure 19.31 Microsurgery experiments showed that the root cap supplies a root growth inhibitor
Figure 19.30 Maize root bending toward a Ca2+-containing agar block
BR2 gene encodes a P-glycoprotein required for normal auxin transport in corn
Figure 19.7 Demonstration of the lack of gravity effects on basipetal auxin transport
The strawberry “fruit” is a swollen receptacle
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