Toyota M, Furuichi T, Tatsumi H, Sokabe M (2007) Hypergravity stimulation induces changes in
intracellular calcium concentration in Arabidopsis seedlings. Adv Space Res 39:1190–1197.
https://doi.org/10.1016/j.asr.2006.12.012
Tsugeki R, Fedoroff NV (1999) Genetic ablation of root cap cells in Arabidopsis. Proc Natl Acad
Sci U S A 96:12941–12946. https://doi.org/10.1073/pnas.96.22.12941
Vanneste S, Friml J (2013) Calcium: the missing link in auxin action. Plants 2:650–675
Vitha S, Yang M, Sack FD, Kiss JZ (2007) Gravitropism in the starch excess mutant of Arabidopsis
thaliana. Am J Bot 94:590–598. https://doi.org/10.3732/ajb.94.4.590
Volkmann D, Tewinkel M (1996) Gravisensitivity of cress roots: investigations of threshold values
under specific conditions of sensor physiology in microgravity. Plant Cell Environ
19:1195–1202. https://doi.org/10.1111/j.1365-3040.1996.tb00435.x
Volkmann D, Behrens HM, Sievers A (1986) Development and gravity sensing of cress roots under
microgravity. Naturwissenschaften 73:438–441. https://doi.org/10.1007/BF00367291
Wayne R, Staves MP (1996) A down to earth model of gravisensing or Newton’s law of gravitation
from the apple’s perspective. Physiol Plant 98:917–921. https://doi.org/10.1111/j.1399-3054.
1996.tb06703.x
Wendt M, Sievers A (1986) Restitution of polarity in statocytes from centrifuged roots. Plant Cell
Environ 9:17–23. https://doi.org/10.1111/1365-3040.ep11612684
Went FW, Thimann KV (1937) Phytohormones. The Macmillan Company, New York
Yoder TL (2001) Amyloplast sedimentation dynamics in maize columella cells support a new
model for the gravity-sensing apparatus of roots. Plant Physiol 125:1045–1060. https://doi.org/
10.1104/pp.125.2.1045
Zheng HQ, Staehelin LA (2001) Nodal endoplasmic reticulum, a specialized form of endoplasmic
reticulum found in gravity-sensing root tip columella cells. Plant Physiol 125:252–265. https://
doi.org/10.1104/pp.125.1.252
92
6 Gravitropism in Higher Plants: Cellular Aspects
intracellular calcium concentration in Arabidopsis seedlings. Adv Space Res 39:1190–1197.
https://doi.org/10.1016/j.asr.2006.12.012
Tsugeki R, Fedoroff NV (1999) Genetic ablation of root cap cells in Arabidopsis. Proc Natl Acad
Sci U S A 96:12941–12946. https://doi.org/10.1073/pnas.96.22.12941
Vanneste S, Friml J (2013) Calcium: the missing link in auxin action. Plants 2:650–675
Vitha S, Yang M, Sack FD, Kiss JZ (2007) Gravitropism in the starch excess mutant of Arabidopsis
thaliana. Am J Bot 94:590–598. https://doi.org/10.3732/ajb.94.4.590
Volkmann D, Tewinkel M (1996) Gravisensitivity of cress roots: investigations of threshold values
under specific conditions of sensor physiology in microgravity. Plant Cell Environ
19:1195–1202. https://doi.org/10.1111/j.1365-3040.1996.tb00435.x
Volkmann D, Behrens HM, Sievers A (1986) Development and gravity sensing of cress roots under
microgravity. Naturwissenschaften 73:438–441. https://doi.org/10.1007/BF00367291
Wayne R, Staves MP (1996) A down to earth model of gravisensing or Newton’s law of gravitation
from the apple’s perspective. Physiol Plant 98:917–921. https://doi.org/10.1111/j.1399-3054.
1996.tb06703.x
Wendt M, Sievers A (1986) Restitution of polarity in statocytes from centrifuged roots. Plant Cell
Environ 9:17–23. https://doi.org/10.1111/1365-3040.ep11612684
Went FW, Thimann KV (1937) Phytohormones. The Macmillan Company, New York
Yoder TL (2001) Amyloplast sedimentation dynamics in maize columella cells support a new
model for the gravity-sensing apparatus of roots. Plant Physiol 125:1045–1060. https://doi.org/
10.1104/pp.125.2.1045
Zheng HQ, Staehelin LA (2001) Nodal endoplasmic reticulum, a specialized form of endoplasmic
reticulum found in gravity-sensing root tip columella cells. Plant Physiol 125:252–265. https://
doi.org/10.1104/pp.125.1.252
92
6 Gravitropism in Higher Plants: Cellular Aspects