ライフサイエンスコーパス: cytokinin

1 ed with changes in localization of auxin and cytokinin.

2 oots and which has previously been linked to cytokinin.

3 he production of chlorophyll are enhanced by cytokinin.

4 itivity to auxin and enhanced sensitivity to cytokinin.

5 a reduced concentration of the plant hormone cytokinin.

6 sitivity to auxin and reduced sensitivity to cytokinin.

7 tly correlates with the transport of the fed cytokinin.

8 or sensitivity to ethylene, gibberellin, or cytokinin.

9 s, such as the signaling of the phytohormone cytokinin.

10 nistic interaction of the hormones auxin and cytokinin.

11 hormones, including auxin, strigolactone and cytokinin.

12 actors that are transcriptionally induced by cytokinin.

13 KX), an enzyme catalyzing the degradation of cytokinins.

14 catalyzes the production of hormones called cytokinins.

15 an obligate human pathogen secretes several cytokinins.

16 shoot) translocation of the root-synthesized cytokinins.

17 tory processes, including those activated by cytokinins.

18 trations of selected plant hormones (auxins, cytokinins, abscisic acid and jasmonates), and in the nu

19 Together, these findings show that cytokinin accumulation is tightly regulated during nodul

20 evated amounts of indole acetic acid, active cytokinins, active gibberellin, and salicylic acid were

21 e dark through the manipulation of auxin and cytokinin activity as well as through the activation of

22 The compounds were further tested for cytokinin activity in several cytokinin bioassays.

23 levels early during nodule development favor cytokinin activity required for nodule formation.

24 the combination of simple synthesis, lowered cytokinin activity, and enhanced inhibitory effects on C

25 The plant hormone cytokinin affects a diverse array of growth and developm

26 Cytokinin affects polar auxin transport, but how this im

27 Cytokinin also down-regulates PIN3, promoting auxin accu

28 While the receptors are central regulators, cytokinin also is accumulated during early phases of sym

29 Cytokinins also stimulate leaf growth in part by extendi

30 nts of HP activity and excluded that it is a cytokinin analog.

31 ahp6 mutants are hypersensitive to exogenous cytokinin and 1-napthylphthalamic acid (NPA), highlighti

32 d AHK3, previously reported to play roles in cytokinin and abscisic acid (ABA) signalling.

33 ects; and the interplay among ABA, ethylene, cytokinin and auxin is tissue-specific, as evidenced by

34 In summary, these mechanisms self-regulate cytokinin and auxin signaling domains, ensuring correct

35 ements, along with points of cross talk with cytokinin and auxin, by which ethylene negatively regula

36 , we show here that two major phytohormones, cytokinin and auxin, display different yet partially ove

37 the control of ARR10 and AUX1 expression by cytokinin and auxin, this circuit potentially functionin

38 he local modulation of cellular responses to cytokinin and auxin, two key phytohormones regulating ce

39 Prior studies have demonstrated that cytokinin and brassinosteroid (BR) act as regulatory inp

40 ct of osmotic stress on abscisic acid (ABA), cytokinin and ethylene responses and how they mediate au

41 alling (TCS) systems play important roles in cytokinin and ethylene signalling in Arabidopsis thalian

42 In addition, cytokinin and hydrogen peroxide, which promote root diff

43 d a genetic approach to evaluate the role of cytokinin and its signaling pathway in the light-induced

44 s and establishes a novel connection between cytokinin and oxidative stress response.

45 regulatory loops involving the phytohormone cytokinin and stem cell identity genes.

46 ct to generate the branching pattern- auxin, cytokinin and strigolactone.

47 were previously shown to be associated with cytokinin and/or CKI1 action.

48 pes and prompted new interest in the role of cytokinins and cytokinin signaling in drought.

49 volves auxin regulation of systemic signals, cytokinins and strigolactones, which can move into axill

50 TDZ thus increases the lifetime of cytokinins and their effects in plants.

51 Auxin, cytokinin, and ethylene are three important hormones tha

52 Elucidating the complexity in auxin, cytokinin, and ethylene crosstalk requires a combined ex

53 eals multiple layers of complexity in auxin, cytokinin, and ethylene crosstalk.

54 dating the complexity in crosstalk of auxin, cytokinin, and ethylene in root development.

55 or establishing how crosstalk between auxin, cytokinin, and ethylene regulates patterning in root dev

56 including light and the phytohormones auxin, cytokinin, and gibberellin.

57 signaling pathways mediated by gi, GA, SPY, cytokinins, and sex1 that are required for chloroplast b

58 Auxin and cytokinin are both critical for division and patterning,

59 Auxin and cytokinin are key endogenous regulators of plant develop

60 1-LIKE HOMEOBOX (KNOXI) proteins, auxin, and cytokinin are known to play essential roles in SAM devel

61 nes and the biosynthetic genes for auxin and cytokinin are significantly altered in the Osarid3 mutan

62 In addition, cytokinins are known to be involved in chloroplast devel

63 ually accelerates the senescence rate, while cytokinins are known to delay it.

64 Cytokinins are required for symbiotic nodule development

65 ress as a negative regulator to control this cytokinin-associated module of CRF6-dependent genes and

66 We have examined mutants of these cytokinin-associated target genes to reveal novel connec

67 inery uncovering a mechanistic framework for cytokinin-auxin cross-talk.

68 ocusing on the earliest stages, we propose a cytokinin-auxin feedback model during early gynoecium pa

69 signaling element that determines the auxin/cytokinin balance during nodule development in soybean (

70 tested thinning treatment performed with the cytokinin benzyladenine.

71 ins emulate the structural changes caused by cytokinin binding, resulting in domain motion propagatin

72 her tested for cytokinin activity in several cytokinin bioassays.

73 Our results show that local cytokinin biosynthesis and auxin biosynthesis in the lea

74 These results show the importance of cytokinin biosynthesis in initiating and balancing the r

75 r responsiveness of these genes confirm that cytokinin biosynthesis is a key target of the common sym

76 tremula x tremuloides trees with an elevated cytokinin biosynthesis level.

77 In contrast, overexpressing a complete cytokinin biosynthesis pathway leads to large, often fus

78 ed distinct differences in the expression of cytokinin biosynthesis, catabolism and signaling genes i

79 Gene expression patterns of cytokinin biosynthetic and signaling genes coincided wit

80 iosynthetic genes OsYUC1 and OsYUC6, and the cytokinin biosynthetic genes OsIPT2 and OsIPT7.

81 lation, we followed transcript levels of the cytokinin biosynthetic pathway genes in a sliding develo

82 ed that the Rv1205-dependent accumulation of cytokinin breakdown products is likely responsible for t

83 bute to, rather than respond to, the initial cytokinin buildup.

84 ified as the major contributors to the first cytokinin burst.

85 by a balance between positive regulation by cytokinin (CK) and negative regulation by CLAVATA (CLV).

86 Auxin and cytokinin (CK) are both important hormones involved in m

87 Strigolactone (SL), auxin, and cytokinin (CK) are hormones that interact to regulate sh

88 Here we use Arabidopsis thaliana cytokinin (CK) biosynthetic and signalling mutants to pr

89 Strikingly, early epidermal activation of cytokinin (CK) pathways was indicated, based on the indu

90 uppress gibberellin signaling and to promote cytokinin (CK) responses, its catalytic OGT activity was

91 time, and senescence downstream from auxin, cytokinin (CK), gibberellin (GA), and light signaling.

92 n of high levels of starch in leaves through cytokinin (CK)-regulated processes.

93 (NFs) and several plant hormones, including cytokinins (CKs) and gibberellins (GAs).

94 ature, causes severe depletion of endogenous cytokinins (CKs) in the model plant Arabidopsis (Arabido

95 Cytokinins (CKs) play a crucial role in many physiologic

96 steps in the light signaling pathway involve cytokinins (CKs).

97 , in addition to showing an elevated cambial cytokinin content and signaling level, the cambial auxin

98 he well-known interaction between light- and cytokinin-controlled plant development.

99 dependent upon cytokinin signaling and that cytokinins could activate glutaredoxin gene expression i

100 we report the identification of REPRESSOR OF CYTOKININ DEFICIENCY 1 (ROCK1, At5g65000) as an ER-local

101 the AHK2 and AHK3 genes, named repressor of cytokinin deficiency2 (rock2) and rock3, respectively.

102 also a well-characterized phenotype of many cytokinin-deficient plant lines.

103 In addition, crosses between "long-root" cytokinin-deficient plants and "long-root" glutaredoxin-

104 A new study shows that another hormone, cytokinin, degrades PINs on specific membranes to direct

105 ression is caused by the loss of activity of cytokinin-degrading enzymes, cytokinin oxidases/dehydrog

106 This is further supported by cytokinin dependent regulation of genes for the nuclear

107 AUX1 is required for cytokinin-dependent changes of auxin activity in the lat

108 cytokinin response pathway that involves the cytokinin-dependent stability control of a major RRB res

109 ChIP-seq was used to identify the cytokinin-dependent targets for ARR10, thereby defining

110 rs of HEMA1 and LHCB6 genes, indicating that cytokinin-dependent transcription factors directly regul

111 Cytokinin-dependent up-regulation of the nuclear encoded

112 Here, we demonstrate that cytokinin does not merely control the overall auxin flow

113 Our results reveal conceptually novel, cytokinin-driven polarization mechanism that operates in

114 t branching by elevating contents of GA3 and cytokinins due to upregulated transcript levels of sever

115 sis revealed that the protective function of cytokinin during light stress depends on the Arabidopsis

116 tified as a direct target of ARR10, with its cytokinin-enhanced expression resulting in enhanced shoo

117 ons via an interacting hormonal network with cytokinin, ethylene and auxin.

118 atterning in the aux1 mutant, the amounts of cytokinin, ethylene and PIN protein, and PIN protein pat

119 i6A), a modified nucleoside belonging to the cytokinin family, has shown in humans many biological ac

120 the translocation of trans-zeatin (tZ)-type cytokinins from roots to shoots, thereby affecting the p

121 Confirming that cytokinins function as major regulators of cambial activ

122 cies, we conducted a comparative analysis of cytokinin genes in response to the beet cyst nematode (B

123 Cytokinin hormones regulate a wide range of essential pr

124 e CRFs results in partially insensitivity to cytokinin in a root elongation assay and affects the bas

125 Previous studies have suggested a role for cytokinin in feeding site formation induced by these two

126 a point of convergence for both ethylene and cytokinin in negatively regulating cell proliferation.

127 f CKX3 on the positive and negative roles of cytokinin in nodule development, infection and regulatio

128 We also identify a role for cytokinin in regulating nodulation and nitrogen fixation

129 re generated and used to clarify the role of cytokinin in regulation of various physiological respons

130 ew, we focus on the interaction of auxin and cytokinin in several developmental contexts, including i

131 ranscription factors restrict sensitivity to cytokinin in the gynoecium.

132 est that AtGRXS3/4/5/8 operate downstream of cytokinins in a signal transduction pathway that negativ

133 Particularly, tZ and DHZ type cytokinins in both inoculated and uninoculated roots wer

134 volved in the long-distance translocation of cytokinins in planta.

135 Cytokinin increases the rate of greening and stimulates

136 rabidopsis, endosperm formation requires the CYTOKININ INDEPENDENT 1 (CKI1) histidine kinase, an acti

137 the receiver domain of the histidine kinase CYTOKININ-INDEPENDENT 1 (CKI1RD) from Arabidopsis thalia

138 e for spatiotemporally correct expression of CYTOKININ INDEPENDENT1 (CKI1), encoding the constitutive

139 haracterization of an auxin deficient mutant cytokinin induced root curling 2 (ckrc2) in this work re

140 type-A ARRs, although it does not impair the cytokinin induction of the type-A ARRs.

141 In Arabidopsis, cytokinins inhibit root growth through effects on cell p

142 ic elements in a regulatory network by which cytokinin inhibits root cell elongation in concert with

143 The phytohormones auxin and cytokinin interact to regulate many plant growth and dev

144 Cytokinin is a phytohormone that is well known for its r

145 The phytohormone cytokinin is a regulator of numerous processes in plants

146 Cytokinin is perceived by a hybrid histidine (His) kinas

147 the classical functions of the plant hormone cytokinin is the regulation of plastid development, but

148 auxin concentrations are increased, whereas cytokinin levels are decreased, in Osarid3 calli.

149 veals that an informative spatial pattern in cytokinin levels generated by diffusion is a theoretical

150 either a specific consequence of the altered cytokinin levels in amp1 nor directly mediated by the WU

151 have also shown that direct manipulation of cytokinin levels in transgenic plants has dramatic effec

152 of Arabidopsis thaliana plants with reduced cytokinin levels or defective cytokinin signaling.

153 ytokinin response, rather than variations in cytokinin levels, allow for the necessary feedbacks, whi

154 eptor AHK2 and is characterized by increased cytokinin levels, downregulation of cytokinin signaling

155 that CKX3 activity negatively regulates root cytokinin levels.

156 Cytokinin measurements in ckx3 mutants confirmed that CK

157 depends on mutual feedback between auxin and cytokinins mediated by the PIN class of auxin efflux tra

158 at mycorrhization and Pi fertilization share cytokinin-mediated improved shoot growth, whereas enhanc

159 Although cytokinin-mediated modulation of auxin distribution is a

160 Cytokinin-mediated modulation of auxin transport provide

161 KEY MESSAGE: Cytokinin membrane receptors of the Arabidopsis thaliana

162 signaling domains of the hormones auxin and cytokinin mirror their embryonic dynamics and manipulati

163 The plant hormones auxin and cytokinin mutually coordinate their activities to contro

164 ivisions with negative regulatory effects of cytokinin on infection events and root development.

165 This effect of cytokinin on metabolite levels arises due to the modulat

166 tton defoliant, is a well known inhibitor of cytokinin oxidase/dehydrogenase (CKX), an enzyme catalyz

167 Here, we show that the Lotus japonicus Ckx3 cytokinin oxidase/dehydrogenase gene is induced by Nod f

168 hese are targets for degradation by the CKX3 cytokinin oxidase/dehydrogenase.

169 mbiotic marker, while a CK-degrading enzyme (CYTOKININ OXIDASE/DEHYDROGENASE3) ectopically expressed

170 of activity of cytokinin-degrading enzymes, cytokinin oxidases/dehydrogenases (CKXs).

171 suggesting differential manipulation of the cytokinin pathway by these two nematode species.

172 ely overlooked link between the ethylene and cytokinin pathways, which acts through a phosphorelay me

173 tion in the actively dividing cambial cells, cytokinins peak in the developing phloem tissue of a Pop

174 initiate nodules in the Medicago truncatula cytokinin perception mutant cre1 (cytokinin response1) i

175 (CRFs), transcription factors downstream of cytokinin perception, transcriptionally control genes en

176 The cytokinins play essential roles in the development and e

177 Cytokinin plays an essential role in regulating shoot ap

178 Crosstalk between auxin and cytokinin plays an important role in the development of

179 Our results suggest that cytokinin positively regulates auxin signaling in the in

180 RESPONSE REGULATORs (ARRs) that mediate the cytokinin primary response, making use of chromatin immu

181 thereby defining a crucial link between the cytokinin primary-response pathway and the transcription

182 ipts was a set of five genes associated with cytokinin processes: (signaling) ARR6, ARR9, ARR11, (bio

183 Specifically, medial cytokinin promotes auxin biosynthesis components [YUCCA1

184 The phytohormone cytokinin promotes nodule formation, and recent findings

185 allus production in this mutant requires the cytokinin receptor AHK2 and is characterized by increase

186 sufficient to promote the expression of the cytokinin receptor Cytokinin Response 1 (CRE1), which is

187 alysis of the Lotus histidine kinase1 (Lhk1) cytokinin receptor gene has shown that it is required an

188 L. japonicus contains a small family of four cytokinin receptor genes, which all respond to M. loti i

189 n, we provide data to support a role for the cytokinin receptors AHK2 and AHK3 in light-induced stoma

190 Mutant analysis indicates that the cytokinin receptors ARABIDOPSIS HIS KINASE2 (AHK2) and A

191 We have tested a hypothesis that other cytokinin receptors function in at least a partially red

192 psis thaliana were used to study the role of cytokinin receptors in the expression of chloroplast gen

193 ines revealed contrasting differences in the cytokinin receptors mediating cell cycle activation in f

194 Surprisingly, we identified a subfamily of cytokinin receptors with members only from the early div

195 basal expression of a significant number of cytokinin-regulated genes, including the type-A ARRs, al

196 l primordium and strengthen the concept that cytokinin regulates auxin homeostasis during gynoecium d

197 of type-B ARR activation, and basis by which cytokinin regulates diverse aspects of growth and develo

198 Cytokinin regulates root cell elongation through ethylen

199 n and ethylene, and support a model in which cytokinin regulates shootward auxin transport to control

200 , thereby, increased seed yield suggest that cytokinin regulates various aspects of reproductive grow

201 ples PIN transcription from the CRF-mediated cytokinin regulation and attenuates plant cytokinin sens

202 ly prototyped by Smf/DprA proteins and base (cytokinin)-releasing LOG enzymes.

203 ote the expression of the cytokinin receptor Cytokinin Response 1 (CRE1), which is restricted to the

204 The cross talk between cytokinin response and light has been known for a long t

205 D (PIN) auxin transporters at a specific PIN CYTOKININ RESPONSE ELEMENT (PCRE) domain.

206 Arabidopsis (Arabidopsis thaliana) Cytokinin Response Factor 6 (CRF6) is a cytokinin-respon

207 e presence of AN3 at the loci of GRF5, GRF6, CYTOKININ RESPONSE FACTOR2, CONSTANS-LIKE5 (COL5), HECAT

208 The cytokinin response factors (CRFs) are a group of related

209 We show that the CYTOKININ RESPONSE FACTORS (CRFs), transcription factors

210 ype-A RRs (RRAs) that are encoded by primary cytokinin response genes and function as response inhibi

211 al activators that promote the expression of cytokinin response genes and the type-A RRs (RRAs) that

212 al an additional regulatory mechanism in the cytokinin response pathway that involves the cytokinin-d

213 ociations characterized the growth-promoting cytokinin response regulator ARR1, and the wood developm

214 Analysis of the cytokinin response using the synthetic cytokinin sensor,

215 al role of the type-B ARRs in regulating the cytokinin response, mechanism of type-B ARR activation,

216 Instead, auxin-dependent modifications of cytokinin response, rather than variations in cytokinin

217 tive CKs in roots and negatively impacts the Cytokinin Response1 (CRE1)-dependent NF activation of a

218 truncatula cytokinin perception mutant cre1 (cytokinin response1) is due to its altered ability to re

219 responses increase under osmotic stress, but cytokinin responses are only slightly reduced; inhibitio

220 tting tract formation, affect both auxin and cytokinin responses during reproductive tissue developme

221 er AUX1 functions as a positive regulator of cytokinin responses in the root; mutation of AUX1 specif

222 HEC1 acts as a local modulator of auxin and cytokinin responses to control gynoecium development in

223 ana) Cytokinin Response Factor 6 (CRF6) is a cytokinin-responsive AP2/ERF-family transcription factor

224 LISM-INVOLVED (GNC) and its paralog GNC-LIKE/CYTOKININ-RESPONSIVE GATA FACTOR1 (GNL), have already be

225 LE, CARBON METABOLISM-INVOLVED) and GNC-LIKE/CYTOKININ-RESPONSIVE GATA FACTOR1 as well as that of SPC

226 METABOLISM-INVOLVED (GNC) and GNC-LIKE (GNL)/CYTOKININ-RESPONSIVE GATA FACTOR1 is controlled by sever

227 Here we show that exogenous cytokinin restores nodule formation in miR160 over-expre

228 show that boundary formation is dependent on cytokinin's control on auxin polar transport and degrada

229 ly increased amounts of active gibberellins, cytokinins, salicylic acid, and jasmonate compared with

230 In addition to the ethylene pathway, cytokinins seem to be strongly involved the regulation o

231 This selective cytokinin sensitivity correlates with the PIN protein ph

232 with misregulation of MSP signaling, changed cytokinin sensitivity, and developmental aberrations tha

233 gnaling, and that clau plants have increased cytokinin sensitivity.

234 ed cytokinin regulation and attenuates plant cytokinin sensitivity.

235 f the cytokinin response using the synthetic cytokinin sensor, TCSn, showed that this response occurs

236 an important role of ROCK1 in regulating the cytokinin signal in the meristematic cells through modul

237 In Arabidopsis (Arabidopsis thaliana), the cytokinin signal is perceived by three membrane-located

238 the root epidermis is sufficient to promote cytokinin signaling and nodule organogenesis in the inne

239 We conclude that proper cytokinin signaling and regulation of specific target ge

240 taredoxin gene expression was dependent upon cytokinin signaling and that cytokinins could activate g

241 ignaling in Arabidopsis and the elevation in cytokinin signaling appears to be responsible for the at

242 eaking event generates bisymmetric auxin and cytokinin signaling domains in the stele.

243 To explore the functional significance of cytokinin signaling for cambial development, we engineer

244 mutants suggest the importance of auxin and cytokinin signaling for control of phyllotaxy.

245 ANSFER PROTEIN6 (AHP6), which then represses cytokinin signaling in a PAT-dependent feedback.

246 Furthermore, HopQ1 induced cytokinin signaling in Arabidopsis and the elevation in

247 d new interest in the role of cytokinins and cytokinin signaling in drought.

248 ode penetration, suggesting a requirement of cytokinin signaling in RKN feeding site formation.

249 shown the requirement for receptor-mediated cytokinin signaling in symbiotic nodule organogenesis.

250 that TEM also acts as a link between GA and cytokinin signaling in the epidermis by negatively regul

251 We show that cytokinin signaling increases the abundance of ARR1, a u

252 ncreased cytokinin levels, downregulation of cytokinin signaling inhibitors ARR7 and ARR15, and induc

253 Our results suggest that CRE1-dependent cytokinin signaling leads to nodule initiation through t

254 Cytokinin signaling leads to the phosphorylation-depende

255 esults demonstrate an important role for the cytokinin signaling pathway in chloroplast development,

256 on by CKI1 likely involves activation of the cytokinin signaling pathway mediated by histidine phosph

257 amily transcription factor that, through the cytokinin signaling pathway, plays a key role in the inh

258 (CKI1) histidine kinase, an activator of the cytokinin signaling pathway, which specifies central cel

259 underlying the interaction between light and cytokinin signaling remains elusive.

260 symbiotic nodule development in legumes, and cytokinin signaling responses occur locally in nodule pr

261 Our results indicate that cytokinin signaling specifies meristematic activity thro

262 ed by a development-specific derepression of cytokinin signaling that involves cross talk with signal

263 We show that CLAU attenuates cytokinin signaling, and that clau plants have increased

264 ion of symbiotic nodules in legumes requires cytokinin signaling, but its mechanism of action is larg

265 -term Cr(VI)-regulated genes are involved in cytokinin signaling, the ubiquitin-proteasome system pat

266 s with reduced cytokinin levels or defective cytokinin signaling.

267 and that this likely involves inter-regional cytokinin signaling.

268 , in part through a complex interaction with cytokinin signaling.

269 hat AMSH1 function is required downstream of cytokinin signaling.

270 tence of an additional negative regulator of cytokinin signaling.

271 n explanation for their inhibitory action in cytokinin signaling.

272 ealed how plants respond to locally enhanced cytokinin signaling.

273 lly inhibitory interaction between auxin and cytokinin, signaling through SHR, microRNA165/6, and PHA

274 ere we show a direct regulatory link between cytokinin signalling and the auxin transport machinery u

275 that AHP6-based fields establish patterns of cytokinin signalling in the meristem that contribute to

276 tunes auxin transport capacity downstream of cytokinin signalling to control plant development.

277 the integrated action of auxin, ethylene and cytokinin signalling, the POLARIS protein, and the funct

278 fflux transporters and AHP6, an inhibitor of cytokinin signalling.

279 istribution to create a local, nonresponding cytokinin source within the root vascular tissue.

280 o circadian stress regimes requires a normal cytokinin status which, acting primarily through the AHK

281 We demonstrate that in plants with a reduced cytokinin status, the D1 protein level was strongly decr

282 tems, was decreased in plants with a reduced cytokinin status, which could be a cause for the increas

283 e genes was correlated with higher levels of cytokinin/sugar signaling in growing buds of wild-type p

284 ms and many related to phytohormones such as cytokinin, suggesting that Xa21 triggered redistribution

285 Evidence is provided that GRF5 and cytokinins synergistically enhance cell division and chl

286 r with the rapid repression of both genes by cytokinin, this indicates that LjIpt2 and LjLog4 contrib

287 al stage-specific sensitivities to auxin and cytokinin to direct proper nodule formation and maturati

288 ignaling contributes but is not required for cytokinin to inhibit activity of the root meristem.

289 of AUX1 specifically affects the ability of cytokinin to inhibit cell elongation but not cell prolif

290 transport of auxins, the molecular basis of cytokinin transport is poorly understood.

291 Cytokinin treatment of bps1 mutants restored both WUS ex

292 Furthermore, cytokinin treatment only very weakly induced nodule orga

293 d from the sporophytes of both species using cytokinin treatment.

294 n of transplastomic plants on medium lacking cytokinin was as effective as selection on medium contai

295 f ARR10, Arabidopsis lines hypersensitive to cytokinin were generated and used to clarify the role of

296 In addition, higher levels of cytokinins were found in leaves of AM- and Pi-treated pl

297 Both ABA and cytokinins will continue to be major foci of drought res

298 ulatory circuits controlling interactions of cytokinin with auxin and ethylene, and support a model i

299 Binding of ARR10 was induced by cytokinin with binding sites enriched toward the transcr

300 ults are consistent with a model wherein the cytokinin/WUS pathway and retrograde signaling control c