Plant Tropisms

type. The high sensitivity of the surface cells of the root cap fits well with their position, being the first cells to encounte ...

al. 1995). Touch-induced tendril coiling can be inhibited in this system by Gd3+and ery- throsine B, a putative inhibitor of the ...

tion in Arabidopsisinflorescences. They then constructed Arabidopsisplants expressing a human inositol polyphosphate 5-phosphata ...

such localized fluxes remain the reason no Ca2+signal has been localized to the gravisens- ing cells of the plant. Alternatively ...

ilarity in the growth responses these stimuli elicit and/or the multiple pathways within which each protein operates. Indeed, ma ...

ity to expression (Iliev et al. 2002), as does a similar sequence for CBF2(a transcriptional activator with a central role in co ...

the gravity signal is rapidly transduced to a broad range of response elements. Interest- ingly, a similar proteomic analysis of ...

progresses. Only a few of the peripheral cells of the root cap are in contact with the bar- rier and these must be transmitting ...

cally stimulated, the motility of the sedimenting statoliths is reduced (Massa and Gilroy 2003a). This reduced motility would pr ...

al. 2002; Muday and Murphy 2002; Friml 2003). Auxin plays an important role in tropic response (see Chapter 3) and actin may aff ...

5.8 Acknowledgments The authors gratefully acknowledge support by grants from NSF (MCB 02-12099, IBN 03-36738, and DBI 03-01460) ...

Braam J. 2005. In touch: plant responses to mechanical stimuli. New Phytologist165: 373–389. Braam J, Davis RW. 1990. Rain-, win ...

Dolmetsch RE, Xu K, Lewis RS. 1998. Calcium oscillations increase the efficiency and speci- ficity of gene expression. Nature392 ...

Goodman MB, Ernstrom GG, Chelur DS, O’Hagan R, Yao CA, Chalfie M. 2002. MEC-2 regu- latesC. elegansDEG/ENaC channels needed for ...

Jaffe MJ, Galston AW. 1968. The physiology of tendrils. Annual Review of Plant Physiology19: 417–434. Janmey PA, Weitz DA. 2004. ...

Lin SY, Corey DP. 2005. TRP channels in mechanosensation. Current Opinion in Neurobiology 15: 350–357. Ling V, Perera I, Zielins ...

Orr AW, Helmke BP, Blackman BR, Schwartz MA. 2006. Mechanisms of mechanotransduction. Development Cell10: 11–20. Pei ZM, Murata ...

Scrase-Field SA, Knight MR. 2003. Calcium: just a chemical switch? Current Opinion in Plant Biology6: 500–506. Sedbrook J, Krone ...

Varin L, Chamberland H, Lafontaine JG, Richard M. 1997. The enzyme involved in sulfation of the turgorin, gallic acid 4-O-(beta- ...

6 Other Tropisms and Their Relationship to Gravitropism Gladys I. Cassab* 123 6.1 Introduction Plants have evolved an elaborate ...