ライフサイエンスコーパス: gravitropic

1 whereas their inflorescence stems are fully gravitropic.

2 , which disrupted auxin gradients and slowed gravitropic and halotropic responses.

3 ation and points to an interplay between the gravitropic and mechanical responses and to the extreme

4 MAX2 act to limit root skewing, while kai2's gravitropic and mechano-sensing responses remained large

5 loped that accurately predicted the complete gravitropic and proprioceptive control over the movement

6 Gravitropic assays indicated that Hvegt1 roots bend more

7 Gravitropic assays revealed that ABA biosynthetic mutant

8 ributors to root and shoot branch angles and gravitropic behavior of seedling hypocotyls and primary

9 opment in Arabidopsis, and also affects root gravitropic behaviour.

10 tion of curvature, and relate the angle of a gravitropic bend to the magnitude and duration of asymme

11 dependent physiological processes, including gravitropic bending and root development.

12 led that auxin-induced growth inhibition and gravitropic bending are significantly delayed in cngc14

13 e long-term increase in InsP(3), and reduced gravitropic bending by 65%.

14 -1) and ein2-5 mutations dramatically reduce gravitropic bending in hypocotyls.

15 meters per cubic meter decreased the rate of gravitropic bending in stems of cocklebur (Xanthium stru

16 Gravitropic bending of oat plants is inhibited at 4 degr

17 Gravitropic bending of plant organs is mediated by an as

18 inhibits primary root elongation and delays gravitropic bending of shoots and roots.

19 corn (Zea mays var. Merit), light stimulates gravitropic bending of the root by influencing events in

20 Furthermore, gravitropic bending of the roots, hypocotyls, and inflor

21 Root gravitropic bending represents a fundamental aspect of t

22 gradient formation in root epidermis during gravitropic bending response compared with WT plants.

23 uxin-mediated PIN3 re-polarization and shoot gravitropic bending termination.

24 um differences coinciding with the timing of gravitropic bending, and was located in epidermal cells.

25 hibiting ethylene action, fails to influence gravitropic bending.

26 ature, whereas alkalinizing agents disrupted gravitropic bending.

27 Light-grown NS458 hypocotyls were gravitropic but were less sensitive than the wild type (

28 Gravitropic competency was established about 8 h after i

29 ng functions as a lateral root specific anti-gravitropic component, promoting the radial distribution

30 sing is thus as important as gravisensing in gravitropic control, and the B ratio can be measured as

31 significantly influenced the time course of gravitropic curvature and the two measures of sensitivit

32 that suppress apyrase activity also inhibit gravitropic curvature and, to a lesser extent, growth.

33 ic acid and naphthylphthalamic acid, blocked gravitropic curvature but not the change in current dens

34 Finally, we demonstrate that AUX1 regulates gravitropic curvature by acting in unison with the auxin

35 d-type roots, suggesting that ACC may reduce gravitropic curvature by altering flavonoid synthesis.

36 hizoids are not limited in their ability for gravitropic curvature by growth and that these rhizoids

37 Novel features of gravitropic curvature development were discovered as a r

38 It can determine when and where gravitropic curvature develops along the root axis in A.

39 Gravistimulation of flax plants induces gravitropic curvature in non-elongating stem parts, larg

40 lted in root straightening through a loss of gravitropic curvature in older regions and through new g

41 of models that have been proposed to explain gravitropic curvature in roots.

42 vity conditions are linearly correlated with gravitropic curvature in wild-type stems.

43 These findings indicate that gravitropic curvature is not necessarily permanent, and

44 The Cholodny-Went hypothesis holds that gravitropic curvature of a growing plant organ depends o

45 ssible role of calcium redistribution in the gravitropic curvature of roots and the possibility of ca

46 gravity-induced amyloplast sedimentation and gravitropic curvature of these mutants was identical to

47 o growth inhibition by ACC, whereas the root gravitropic curvature of these tt4 alleles was much less

48 Furthermore, gravitropic curvature response in these pulvini was redu

49 n of hemicellulosic wall polymers during the gravitropic curvature response of intact pea (Pisum sati

50 gravistimulation, and both their growth and gravitropic curvature were inhibited.

51 The effects of stimulus withdrawal on gravitropic curvature were studied by following individu

52 el describing possible relationships between gravitropic curvature, IAA redistribution, and Ivr2 expr

53 elongation zone, responsible for part of the gravitropic curvature.

54 ibution of Ca2+ and its role in establishing gravitropic curvature.

55 cv Merit) seedlings with the time course of gravitropic curvature.

56 ed in root apical tissues that regulate root gravitropic curvature.

57 stant root growth phenotype and abolish root gravitropic curvature.

58 gravistimulation and slower kinetics of root gravitropic curvature.

59 xylic acid (ACC) reduced root elongation and gravitropic curvature.

60 thway from pgm1, as pgm1 mutants enhance the gravitropic defect of arg1.

61 ate to identify new mutants that enhance the gravitropic defect of arg1.

62 ozygous state display a more pronounced root gravitropic defect than the single mutants.

63 s provides a mechanistic explanation for the gravitropic defect, and may also account for the presenc

64 nthetic mutant viviparous5 (vp5) also showed gravitropic defects and a shallower seminal root angle t

65 ts or hypocotyls is sufficient to rescue the gravitropic defects in the corresponding organs of arg1-

66 ic acid [NAA]) application restored its root gravitropic defects.

67 gravitropism, and lazy mutants show striking gravitropic defects.

68 ntation may confound investigations of early gravitropic events.

69 Gravitropic experiments show that when dark-grown corn s

70 gions of the root, inhibited both subsequent gravitropic growth and amyloplast sedimentation in the c

71 has been shown to block auxin transport and gravitropic growth in primary roots of Arabidopsis (Arab

72 plays root coiling in hydroponics but normal gravitropic growth in soil.

73 metric distribution of auxin, and ultimately gravitropic growth of roots.

74 This growth behavior is reversible in that gravitropic growth resumes when seedlings are returned t

75 ROOTING 1 (DRO1) contributes to the downward gravitropic growth trajectory of roots upstream of later

76 apex in radiotracer experiments and reduced gravitropic growth.

77 show that the septuple phy(-) mutant remains gravitropic in light, in line with expectations, and on

78 we report the isolation the mutant gil1 (for gravitropic in the light) in which hypocotyls continue t

79 La3+, a poor gravitropic inhibitor, acts similarly but much more grad

80 ting root cortical tissue, counteracting the gravitropic machinery's known ability to bend the root v

81 ABA-induced auxin synthesis governs the root gravitropic machinery, thereby influencing root angle in

82 avitropism and how much phototropism affects gravitropic measurements.

83 ls are considered to capture heliotropic and gravitropic motions of plants.

84 ed recently as the mutated gene in the shoot gravitropic mutant zig.

85 gravitropic response by hypergravity in the gravitropic mutants that we tested indicates that these

86 upport this idea, we examined two additional gravitropic mutants, phosphoglucomutase (pgm) and sgr9,

87 e microscope in combination with analysis of gravitropic mutants.

88 ark, corrected values were obtained for each gravitropic parameter.

89 tissues, which are distinct from known root gravitropic perception and response tissues in the colum

90 We characterized the auxin transport and gravitropic phenotypes of the pinoid-9 (pid-9) mutant of

91 We show, as examples, that the gravitropic, phototropic, nutational, and thigmotropic d

92 3) root tip impedance is augmented by normal gravitropic pressure applied by the root tip against the

93 ful parameters such as root elongation rate, gravitropic rate and branching rate.

94 These observations imply a constant gravitropic re-setting of the root tip response to touch

95 " and "forward players" that induce negative gravitropic reactions, transcriptome profiling of phloem

96 toskeleton-disturbing herbicide that inhibit gravitropic reception act on the channel system at low c

97 gene expression patterns as a consequence of gravitropic reorientation and points to an interplay bet

98 gth and the other additionally analyzing the gravitropic response and curvature.

99 tion zone, was built in the first 2 h of the gravitropic response and dissipated after another 2 h.

100 The phytohormone auxin, central regulator of gravitropic response and root development, inhibits root

101 shoot in fuct-1 account for both the reduced gravitropic response and the increased tiller angle.

102 to dissect vertical proprioception from the gravitropic response associated with reaction wood forma

103 Further, the restoration of the gravitropic response by hypergravity in the gravitropic

104 Crippled gravitropic response by the transgenic plants indicates

105 ) Differential auxin accumulation during the gravitropic response depends on the activity of polarly

106 The compromised gravitropic response in all the major axes of growth in

107 urbation of auxin gradient formation, slower gravitropic response in roots, and cytokinetic failure.

108 nisms underlying these various phases of the gravitropic response in roots.

109 hat influences flavonoid levels and the root gravitropic response in seedlings under nonstressed cond

110 than ABA, was able to rescue the compromised gravitropic response in the auxin biosynthetic mutant mh

111 findings suggest that the timing of the root gravitropic response is orchestrated by the reversible i

112 sgr2) mutant, which exhibits neither a shoot gravitropic response nor amyloplast sedimentation at 1 g

113 igher concentrations of ethylene inhibit the gravitropic response of all but the ethylene-insensitive

114 role of the nuclear auxin pathway during the gravitropic response of Arabidopsis thaliana roots.

115 nositol 1,4,5-trisphosphate (InsP(3)) in the gravitropic response of oat (Avena sativa) shoot pulvini

116 establishment of tissue polarity during the gravitropic response of oat pulvini.

117 tes a role for calcium and calmodulin in the gravitropic response of primary roots of maize (Zea mays

118 e was unaffected in the mutant; however, the gravitropic response of rgr1 contained a feature not fou

119 e PIN auxin efflux carriers and the Negative Gravitropic Response of roots (NGR) proteins polarize al

120 opism depends on the novel protein, NEGATIVE GRAVITROPIC RESPONSE OF ROOTS (NGR).

121 at calmodulin plays an important role in the gravitropic response of roots.

122 tribution of auxin-regulated RNAs during the gravitropic response of soybean hypocotyls.

123 is study we investigated the kinetics of the gravitropic response of the Arabidopsis mutant rgr1 (red

124 ylene concentrations can restore the reduced gravitropic response of the auxin-resistant dgt (diageot

125 Delayed gravitropic response of the crk5 mutant thus likely refl

126 The gravitropic response of the Missouri cultivar is indepen

127 ylene is a mediator of the primary, negative gravitropic response of tomato shoots.

128 ethylene does not play a primary role in the gravitropic response of tomato, low levels of ethylene a

129 he pid-9 rcn1 double mutant has a more rapid gravitropic response than rcn1.

130 fset mechanism that operates in tension with gravitropic response to generate angled isotropic growth

131 on of 8,300 genes during early stages of the gravitropic response using high-density oligonucleotide

132 The gravitropic response was characterized by the appearance

133 e altered calcium sensitivity in controlling gravitropic response, a reduction in basipetal indole-3-

134 levels of ethylene are necessary for a full gravitropic response, and moderate levels of the hormone

135 ion plants displayed a complete loss of root gravitropic response, likely caused by PIN2 phosphorylat

136 dicates that gravity perception, but not the gravitropic response, occurs at 4 degrees C.

137 cts in growth, utilization of stored carbon, gravitropic response, salt sensitivity, and specific sus

138 opersicon esculentum Mill.) includes reduced gravitropic response, shortened internodes, lack of late

139 es local auxin biosynthesis to regulate root gravitropic response, thereby controlling the alteration

140 e primary root of the mutant shows a reduced gravitropic response, while its elongation, lateral root

141 the mechanisms that regulate angle-dependent gravitropic response, with major implications of time-de

142 LATOR2 (MAKR2) controls the pace of the root gravitropic response.

143 smic pH shift with caged protons delayed the gravitropic response.

144 sed rate of root growth, and an altered root gravitropic response.

145 s potentially having a role in mediating the gravitropic response.

146 y stage in the signal cascade leading to the gravitropic response.

147 s that do not affect root growth altered the gravitropic response.

148 on of the waving/coiling phenomenon onto the gravitropic response.

149 s vertical, indicating the retention of some gravitropic response.

150 h affects cellular root expansion during the gravitropic response.

151 an overly straight growth path and a delayed gravitropic response.

152 steering the rate of root cell expansion and gravitropic response.

153 ted to dim red light it displayed a reversed gravitropic response.

154 xin distribution and root bending during the gravitropic response.

155 unced defects in primary root elongation and gravitropic response.

156 ing gravity sensing to the initiation of the gravitropic response.

157 These gravitropic responses can be altered by developmental an

158 d that ABA biosynthetic mutants have reduced gravitropic responses compared with WT plants.

159 permitting kinematic analysis of growth and gravitropic responses for a variety of root types.

160 ylacetic acid (NAA) partially restored shoot gravitropic responses in OsbZIP49-overexpressing plants.

161 study, we investigated factors that control gravitropic responses in this system.

162 The gravitropic responses of nr and the constitutive-respons

163 report experiments probing the dependence of gravitropic responses of wheat coleoptiles on previous s

164 also coincide with oscillations observed in gravitropic responses of wheat coleoptiles, suggesting s

165 s respond to changes in orientation by using gravitropic responses to modify their growth.

166 N-1-naphthylphthalamic acid will not inhibit gravitropic responses when applied to pulvinus tissue af

167 nt's perception of gravity and the resulting gravitropic responses, little is known about the role of

168 n on a 1-rpm clinostat resulted in extensive gravitropic responses, manifested as curvature that ofte

169 on of EXOCYST70A3 lead to alteration of root gravitropic responses, resulting in a different RSA dept

170 terile crosses than individuals with similar gravitropic responses, which were largely fertile, indic

171 angles are mediated through changes in shoot gravitropic responses.

172 h fuct-1 and fuct-2 plants exhibited reduced gravitropic responses.

173 root meristem maintenance, auxin fluxes, and gravitropic responses.

174 ic acid (GA), shows asymmetric action during gravitropic responses.

175 P132 over the time course of root growth and gravitropic responses.

176 y the nph4 mutants are also altered in their gravitropic responsiveness.

177 olarity 12 (repp12) mutation, which restored gravitropic root growth and caused a switch in PIN1-HA p

178 y5 mutant background is able to suppress the gravitropic root growth defect of hy5 mutants.

179 e defect within auxin uptake and restore the gravitropic root phenotype of aux1 by growing mutant see

180 Our data support the plastid-based theory of gravitropic sensing and suggest that HGMF-induced ponder

181 y that is lower than the surrounding medium, gravitropic sensing probably utilizes an intracellular m

182 le of plastid mass and sedimentation in stem gravitropic sensing.

183 t hypocotyls contain sedimented amyloplasts, gravitropic sensitivity (induction time and intermittent

184 whereas the defects in cap morphogenesis and gravitropic sensitivity cannot.

185 The time course of the development of gravitropic sensitivity following illumination parallele

186 relationship between calmodulin activity and gravitropic sensitivity in roots of the maize cultivars

187 data suggest that starch deficiency reduces gravitropic sensitivity more in dark-grown hypocotyls th

188 tivars with different light requirements for gravitropic sensitivity was investigated.

189 d detailed curvature kinetics, estimation of gravitropic sensitivity, and monitoring of curvature dev

190 full complement of starch is needed for full gravitropic sensitivity, this study correlates increased

191 may not have sufficient mass to provide full gravitropic sensitivity.

192 izontally oriented lateral roots and altered gravitropic set point angle, while loss of all three DRO

193 fic angles with respect to gravity, known as gravitropic set point angles (GSAs).

194 E)-CEP RECEPTOR signalling controls RSA, the gravitropic set-point angle (GSA) of lateral roots (LRs)

195 function complementarily in establishing the gravitropic set-point angles of lateral roots.

196 respect to gravity, a quantity known as the gravitropic setpoint angle (GSA) [1].

197 th of ARs, gravity and light determine their gravitropic setpoint angle (i.e. the deviation of growth

198 Hence, the gravitropic setpoint angle of rice ARs is controlled by

199 risingly, the lack of TAC1 did not influence gravitropic shoot curvature responses.

200 mechanism to regulate the proliferation of a gravitropic signal originating from the cap to allow the

201 ur hypothesis that ARG1 is involved early in gravitropic signal transduction within the gravity-perce

202 tle is known about the mechanisms underlying gravitropic signal transduction.

203 ytoplasmic pH (pH(c)) is a mediator in early gravitropic signaling.

204 e gravitropism by continuously resetting the gravitropic-signaling system.

205 pply new insight into the molecular basis of gravitropic signalling.

206 that settle to the 'bottom' of the cell into gravitropic signals.

207 ensitivity, it was not required, because the gravitropic starchless mutant had plastids that did not

208 Cholodny-Went, auxin-transport hypothesis of gravitropic stem bending was proposed as early as 1958,

209 genes were specifically induced only during gravitropic stimulation (gravity induced genes).

210 Gravitropic stimulation was used as an experimental trea

211 he mescotyl within 3 minutes after beginning gravitropic stimulation.

212 ment to its equilibrium orientation prior to gravitropic stimulation.

213 to the elongating side of the hypocotyl upon gravitropic stimulation.

214 ernal auxin treatments and transiently after gravitropic stimulation.

215 We show that gravitropic straightening shares common traits across sp

216 , xylogenesis and its responsiveness towards gravitropic stress.

217 Root angle is determined by competing gravitropic versus antigravitropic offset (AGO) mechanis