Plant Tropisms

ropic mutants (Eapen et al. 2003; Olsen et al. 1984). Here, we discuss the potential of a genetic approach for understanding the ...

hydrotropically but their growth was not affected (Jaffe et al. 1985; Takahashi and Scott 1993). Cytoplasmic Ca2+has been postul ...

water availability. Therefore, we assumed it feasible to screen for super-hydrotropic re- sponse mutants in Arabidopsis. For thi ...

ized as yet. In addition, the mechanisms that the root cap utilizes to intermingle different stimuli to resolve in which directi ...

Interestingly, and unlike wild-type plants, hydrostimulated nhr1roots maintained their amyloplasts in the columella (Ponce and C ...

gravity or waviness response (Lu and Federoff 2000; Kang et al. 2002). On the other hand, it has been postulated that ABA mainta ...

(McGillavray and Gow 1986) and algae (Brower and Giddings 1980), as well as in pollen tubes (Marsh and Beams 1945), roots (Fondr ...

occurred in the same root toward both the anode and cathode, but the two responses took place in two different regions of the ro ...

ing of the trap (Ziegler 1962). However, nothing is known about any of the chemorecep- tors involved. Since the early work by Mo ...

species using seedlings planted in moist sawdust in a metal box heated on one side by a gas burner and cooled on the other side ...

ulus at 15 oC was stronger than the gravity stimulus and the root curved toward the top of the dish (Fortin and Poff 1991), prov ...

positive curvatures of 30 to 40 degrees (Bünning 1959). The negative and positive trau- matropic response of both roots and shoo ...

Bilderback D.E. 1985. “Regulators of plant reproduction, growth and differentiation in the envi- ronment.” In Hormonal regulatio ...

Huck M.G. 1970. Variation in taproot elongation as influences composition of the soil air. Agronomy Journal62:815–818. Imaseki H ...

Olsen G.M., Mirza, J.I., Maher E.P., Iversen T.-H. 1984. Ultrastructure and movements of cell or- ganelles in the root cap of ag ...

Wolverton C., Mullen J.L., Ishikawa H., Evans M.L. 2000. Two distinct regions of response drive differential growth in Vignaroot ...

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7 Single-Cell Gravitropism and Gravitaxis Markus Braun* and Ruth Hemmersbach 141 7.1 Introduction Over the last few decades, sin ...

Correspondingly, sessile organisms show growth responses called tropisms defining a steady-state bending of an organ with respec ...

Though distinct behavioral responses to altered gravitational stimulation have been re- ported, the gravireceptor candidates in ...