ライフサイエンスコーパス: petiole

1 AB and KNOX1 gene activity in the developing petiole.

2 ical meristem, leaf primordium, and emerging petiole.

3 in the major venation, and 14% and 4% in the petiole.

4 seq) of the abscission zone (AZ) from cotton petiole.

5 e phloem tissue of an untreated tomato plant petiole.

6 gene as the ortholog of Arabidopsis BLADE-ON-PETIOLE.

7 thesized in the blade and transported to the petiole.

8 mbium tissue present in roots, stem and leaf petiole.

9 s were only slightly increased in blades and petioles.

10 observed in all organs except hypocotyls and petioles.

11 , and the heads of trichomes on the stem and petioles.

12 green leaves, and short stems, pedicels, and petioles.

13 d in elongating seedlings and senescing leaf petioles.

14 1 causes more extensive maceration of celery petioles.

15 of roots and nodules and in the pulvinus of petioles.

16 confined to the guard cells, trichomes, and petioles.

17 nchyma, and in the exuding phloem sap of cut petioles.

18 id growth" was likewise reduced in xxt1/xxt2 petioles.

19 sal region of shoot organs, such as BLADE ON PETIOLE 2 and the GROWTH REGULATORY FACTOR pathway.

20 the dominant-negative sob3-6 mutant has long petioles, a phenotype which is PIF-dependent.

21 nd to a necrotic response along the stem and petioles accompanied by ROS production.

22 nsin mRNA accumulated are also seen: wounded petiole accumulating extensin message to a level higher

23 ins, shortened petioles, increased rachises, petioles acquiring motor organ characteristics, and ecto

24 wounded leaf is seen after 36 h, in wounded petioles after 11 h and in wounded stem after 17 h.

25 hylphthalamic acid (1% [w/w] in lanolin), to petioles also inhibited long-term leaf growth.

26 rofile of its edible parts (blade leaves and petioles) also related to quality, freshness and biologi

27 n it was inoculated directly onto cut tomato petioles, an inoculation method that did not require bac

28 polarized structure consisting of a proximal petiole and a distal blade, but the molecular mechanisms

29 However, severing the petiole and applying high-pressure gas could affect air-

30 arenchyma, and maceration and rotting of the petiole and central bud.

31 mutants, which have a constitutive elongated-petiole and early-flowering pheno-type, do not display a

32 In leaf petiole and flower pedicel zones this activity was enhan

33 sion at the lower (abaxial) side of the leaf petiole and involves the volatile phytohormone ethylene

34 erences explaining variation in the ratio of petiole and leaf length could be identified.

35 port of human micronutrients injected in the petiole and loaded into tomato fruits.

36 x vulnerability was strongly correlated with petiole and midrib conduit dimensions.

37 nces in gene expression patterns between the petiole and stem and between IP and EP, and we identifie

38 pressed in the root, expression in the leaf, petiole and stem being absent.

39 caused a substantial reconfiguration of the petiole and stem transcriptome, only little qualitative

40 s typified by increased elongation growth of petioles and accelerated flowering and can be fully indu

41 n the absence of FB1, most notably elongated petioles and enhanced leaf margin serration.

42 movement of RNA originates in leaf veins and petioles and is induced by a short-day photoperiod, regu

43 ines had smaller rosettes because of shorter petioles and leaf blades and often acquired a twisted le

44 dration was driven by embolism initiating in petioles and midribs across all species, and Kx vulnerab

45 ypocotyls, more expanded cotyledons, shorter petioles and modestly higher levels of CAB gene expressi

46 ession of ELP1 resulted in dwarf plants with petioles and rachises reduced in length, and the epiderm

47 roponic medium through both Arabidopsis leaf petioles and roots, without apparent aggregation, and sh

48 Tissue-print immunoblots of rape petioles and stems showed that the rape ptGRP1 homologue

49 and in association with phloem cells in both petioles and stems.

50 at the parenchyma cells next to xylem in the petioles and the stem nodes.

51 so resists infection by H. parasitica in its petioles and this phenotype is complemented by transform

52 ipening fruit, abscission zones of senescent petioles and unfertilized flowers, and at wound sites.

53 d blue light, plants exhibited elongation of petioles and upward leaf reorientation, symptoms consist

54 investigate how embolisms spread throughout petioles and vein orders during leaf dehydration in rela

55 Expression of SoGA20ox1 in petioles and young leaves was strongly up-regulated by a

56 olving the floral regulators LEAFY, BLADE-ON-PETIOLE, and PUCHI.

57 ent types of explants, including leaf, stem, petiole, and root from Populus, a woody perennial bioene

58 pes in the hypocotyl, cotyledon, stem, leaf, petiole, and root.

59 nols and flavonoids were found in Napoletana petioles, and Morellina and Capellina fruits.

60 imarily in young leaves, PPO2 in flowers and petioles, and PPO3 in leaves and possibly flowers.

61 rning the growth of cotyledons, true leaves, petioles, and primary and secondary roots and root hairs

62 lls and a predominantly aligned array in the petioles, and provide an excellent system for determinin

63 y the formation of oil bodies in the leaves, petioles, and stems, but not in the roots.

64 ts in above-ground tissues including leaves, petioles, and stems, but were also found at lower concen

65 g metaxylem elements in young internodes and petioles, and stylar transmitting tissue cells.

66 x3 were higher in shoot tips than in blades, petioles, and young leaves.

67 abcb19 displays upright petiole angles that remain unchanged in response to red

68 Cucurbits exude profusely when stems or petioles are cut.

69 vascular tissues of a S. pinnata young leaf petiole as well as in guttation fluid.

70 sed elongation of the hypocotyl and the leaf petioles as well as with an acceleration of flowering ti

71 otyledon, lateral organ boundaries, blade-on-petiole, asymmetric leaves, and lateral organ fusion.

72 during which plants elongate their stems and petioles at the expense of leaf development.

73 n cells and protection layer cells in cotton petiole AZ after defoliant treatment.

74 es upward leaf movement (hyponasty) from the petiole base.

75 aptive advantage over local signaling in the petiole, because it optimizes the timing of leaf movemen

76 ral meristem and its interplay with BLADE-ON PETIOLE (BOP) and auxin activity.

77 Here, we present evidence that the BLADE-ON-PETIOLE (BOP) genes, which have previously been shown to

78 Although auxin and BLADE-ON-PETIOLE (BOP) have been implicated as regulators of CYC,

79 (MtNOOT1), which is the ortholog of BLADE-ON-PETIOLE (BOP) in Medicago truncatula.

80 er with homologs of the Arabidopsis BLADE-ON-PETIOLE (BOP) transcriptional cofactors, defined by the

81 ted in part by direct activation of BLADE ON PETIOLE (BOP1 and BOP2) genes, whose products destabiliz

82 odimers, mediate R sensitivity in leaves and petioles but not hypocotyls.

83 in tomato leaf abscission zones and adjacent petioles but not in ethylene-treated stem tissue or frui

84 increased lignin syringyl monomer content in petioles, but had no detectable effect on lignification

85 imited light, plants elongate hypocotyls and petioles by deactivating phytochrome B (phyB), a major R

86 rinsic ET-SHYG-ACO5 activator loop for rapid petiole cell expansion upon waterlogging.

87 thaliana) wall, we compared the behavior of petiole cell walls from xxt1/xxt2 and wild-type plants u

88 mbrane of cotyledon epidermal, mesophyll and petiole cells during blade expansion.

89 Petiole cells from antisense plants were smaller than co

90 Petiole cells in the cotyledon epidermis exhibit well-al

91 fects on the nuclear distribution of phyB in petiole cells of light-grown plants.

92 In contrast, in the adjacent petiole cells, SPR2 is constantly moving along the micro

93 omparing vulnerability curves constructed on petioles collected from evergreen and deciduous ferns in

94 The Si content in the phloem tissue of the petiole connected to the dosed leaf was ~10 times higher

95 cular bundles and scattered through stem and petiole cortex tissues [extrafascicular phloem (EFP)].

96 rgans, e.g. junctions between stems and leaf petioles, cotyledons and hypocotyls, roots and hypocotyl

97 sponse phenotypes including long and bending petioles, curly leaves, accelerated senescence, and cons

98 Moreover, petiole deformations in Arabidopsis mimic parts of the s

99 The transient petiole deformations were contemporary with and dependen

100 parallel, restructured insect damage-induced petiole deformations.

101 Our analyses show that the altered petiole development requires ectopic expression of ELONG

102 and FCL1 act additively and are required for petiole development.

103 ion, in adult plants both the leaves and the petioles display epinastic curvature and there is consti

104 ypes similar to those of axr1, namely, short petioles, downwardly curling leaves, short inflorescence

105 ientation defects, reduction of rosette leaf petioles, dramatically misshapen rosette leaves, one to

106 e avoidance response through which stems and petioles elongate in search for light.

107 Petiole elongation also was inhibited by nuclear, but no

108 hogenesis, is characterized by hypocotyl and petiole elongation and hyponastic growth at the seedling

109 nsitivity, including increased hypocotyl and petiole elongation and increased numbers of lateral root

110 in leaf area, with reduced low R:FR-mediated petiole elongation and leaf hyponasty responses.

111 o be mediated by phyB, such as inhibition of petiole elongation and the shade avoidance response.

112 OCHROME B4-#3 (SOB3) and other AHLs restrict petiole elongation by antagonizing the growth-promoting

113 early-flowering pheno-type, do not display a petiole elongation growth response to EOD FR, but they d

114 ations at MAX2 cause increased hypocotyl and petiole elongation in light-grown seedlings.

115 ld-type or monogenic phyA or phyB seedlings, petiole elongation in phyA phyB seedlings is reduced in

116 A genes are essential for hypocotyl and leaf petiole elongation in response to low R:FR, in a fashion

117 ation in the monocot rice (Oryza sativa) and petiole elongation in Rumex rosette species.

118 This reduction in petiole elongation is accompanied by the appearance of e

119 eals signaling bifurcation in the control of petiole elongation versus hyponasty.

120 light response, inhibits leaf expansion and petiole elongation, and attenuates the expression of CAB

121 Internode and petiole elongation, and changes in overall leaf area and

122 t other phyB-controlled responses, including petiole elongation, are not sensitive to the same temper

123 that discrete pathways control flowering and petiole elongation, components of the shade-avoidance re

124 erexpression of HBI1 increased hypocotyl and petiole elongation, whereas dominant inactivation of HBI

125 ude increased elongation growth of stems and petioles, enabling plants to overtop competing vegetatio

126 s longitudinal cell expansion in the abaxial petiole epidermis to induce hyponasty and simultaneously

127 ht-grown mutant plants are dwarfs with short petioles, epinastic leaves, short inflorescence stems, a

128 duced inhibition of hypocotyl elongation and petiole epinasty are normal in Gr and Nr-2, suggesting t

129 sku6 roots, etiolated hypocotyls, and leaf petioles exhibit right-handed axial twisting, and root g

130 dingly to their higher polyphenolic content, petiole extracts exhibited stronger radical scavenging a

131 ited by Morellina, Ferrovia, and Ciambellana petiole extracts, and by Ferrovia, Morellina, and Capell

132 n different concentrations in blade leaf and petiole extracts, indicating celery parts as nutraceutic

133 Flavonoid glycosides were found in all petiole extracts, while proanthocyanidins B type were pr

134 Petiole exudate experiments indicate that dir1-1 is defe

135 wever, compared with the phloem-sap enriched petiole exudate from the WT plant, mpl1 petiole exudate

136 ed accumulation of an antibiotic activity in petiole exudate of the Arabidopsis ssi2 mutant, which ex

137 ched petiole exudate from the WT plant, mpl1 petiole exudate was deficient in an activity that restri

138 We demonstrate here that petiole exudates (PeXs) collected from Arabidopsis leave

139 e of inoculation, and, most specifically, in petiole exudates from inoculated leaves.

140 -derived oxylipins increased in roots and in petiole exudates of GPA-colonized plants.

141 ts accumulate reduced levels of G3P in their petiole exudates, suggest that the cooperative interacti

142 n the weakening abscission zones of the leaf petiole, flower and fruit pedicel, flower corolla, and f

143 , elf3 mutants have elongated hypocotyls and petioles, flower early, and have defects in the red ligh

144 In this study, cherry fruits and petioles from six ancient Italian Prunus avium L. variet

145 ht regimes showed signs of impaired stem and petiole function which was not observed in wild-type tob

146 cellular and histological features of these petiole galls have been preserved in exquisite detail, i

147 loss of redundancy between the two BLADE-ON-PETIOLE genes BOP1 and BOP2 in red shepherd's purse (Cap

148 y, our results demonstrate that AHLs repress petiole growth by antagonizing PIF-mediated transcriptio

149 scriptional core unit underlying directional petiole growth in Arabidopsis thaliana, governed by the

150 Petiole growth suppression is likely attributed to a cel

151 ence enhances stem elongation and suppresses petiole growth.

152 In V. vinifera, both the stem and petiole had similar sigmoidal vulnerability curves but d

153 s are imposed primarily by the leaves, whose petioles had unlignified, thin-walled xylem fibers with

154 G QDs moved faster than PEI QDs through leaf petioles; however, 8-fold more cadmium accumulated in PE

155 ncert with stomatal conductance and stem and petiole hydraulic measurements.

156 pPLAIIIbeta-KO plants have longer leaves, petioles, hypocotyls, primary roots, and root hairs than

157 nd 4HBA are synthesized de novo in stems and petioles in response to a mobile signal from the inocula

158 elongation growth of roots, hypocotyls, and petioles in warm temperatures are hallmarks of seedling

159 nd deep serration of leaf margins, shortened petioles, increased rachises, petioles acquiring motor o

160 d directly into the plant stem through a cut petiole, indicating that taxis makes its contribution to

161 of ectopic blade tissue along bop1 bop2 leaf petioles is strongly suppressed in a dosage-dependant ma

162 ar bundles of the lamina form a nexus at the petiole junction, emerging in a predictable pattern, eac

163 These plants also had longer petioles, larger leaf area, increased specific leaf area

164 Sense plants had slightly longer petioles, larger leaf blades, and larger cells than cont

165 s of measuring cavitation resistance in fern petioles lead to variable results, particularly with res

166 owed by auxin long-distance transport to the petiole leads to proliferation of J0121-marked xylem-ass

167 e syndrome (SAS), characterized by elongated petioles, leaf hyponasty, and smaller leaves.

168 During axillary bud development in a model petiole-leaf cutting system, the levels of POTM1-1 trans

169 itro develop disorganized tumorous tissue in petioles, leaves and stems.

170 re characterized by elongated hypocotyls and petioles, leaves that are narrow and somewhat epinastic

171 is species, including roots, nodules, stems, petioles, leaves, flowers, pods and seeds.

172 for traits related to flowering time and for petiole length and successfully mapped QTL controlling e

173 , with biomass positively related to LMA and petiole length but negatively associated with iWUE, N%,

174 In the Ws genetic background, an increase in petiole length, a reduction in cotyledon area and in ant

175 Models using only LMA, petiole length, and stomatal metrics performed nearly as

176 cts on hypocotyl elongation, leaf shape, and petiole length, as well as on gene expression.

177 ly, myr1 myr2 mutants exhibited increases in petiole length, leaf angle and apical dominance.

178 d were significantly correlated with LMA and petiole length, suggesting mechanisms of heat dissipatio

179 directed mutant have increased hypocotyl and petiole lengths, relative to wild-type BRI1-Flag (both i

180 at overexpress a closely related gene, LEAFY PETIOLE (LEP).

181 he leaf develops only the basal part of leaf petioles, main vascular tissues, and leaf veins (not bla

182 istance within the leaf is distributed among petiole, major veins, minor veins, and the pathways down

183 Y1) caused a shortened hypocotyl and shorter petioles, most dramatically under low-intensity red ligh

184 utant, was found to cosegregate with a short petiole mutant phenotype, and thus may serve as an examp

185 extrafascicular phloem traverse the stem and petiole obliquely, joining the IP and EP of adjacent bun

186 reduction in the import of auxin through the petioles of abcb19 cotyledons during the period of maxim

187 ing-induced positive pressure changes in the petioles of Arabidopsis thaliana Instead, we found that

188 embedded with polyphenolic extract of waste petioles of betel leaf (BLP).

189 Cells associated with veins of petioles of C(3) tobacco possess high activities of the

190 ment sucrose concentration in rapidly frozen petioles of canopy red oak (Quercus rubra) trees and fou

191 va, a heat-girdling treatment was applied to petioles of cassava leaves at the end of the light cycle

192 ted from the leaves of Tabebuia argentea and petioles of Catalpa bignonioides.

193 In young leaf petioles of clmp1, where clustering is prevalent, cells

194 urified indol-3-ylmethylglucosinolate to the petioles of cyp79B2 cyp79B3 mutant leaves, which do not

195 d in petioles of wild-type plants but not in petioles of dde2 plants, indicating that fungal compound

196 lalanine ammonia-lyase (PAL) activity in the petioles of inoculated leaves and in stems above inocula

197 ydration recovery and embolism repair in the petioles of intact plants.

198 ge in the number of embolized vessels in the petioles of leaves was observed across the canopy of pla

199 uch as the style of elongating siliques, the petioles of maturing leaves, and most of the root.

200 Indeed, petioles of plants under -DIF had reduced ACC content, a

201 l phloem-associated cells in major veins and petioles of the inoculated leaf and stems below the inoc

202 DNA accumulated to almost similar levels in petioles of wild-type and coi1 plants at 10 d post infec

203 JA/ethylene defense pathway were induced in petioles of wild-type plants but not in petioles of dde2

204 roots and etiolated hypocotyls, whereas the petioles of WVD2-overexpressing rosette leaves exhibit l

205 cells in stems above the inoculated leaf and petioles or major veins of sink leaves.

206 sion PG mRNAs are expressed in fruit, stems, petioles, or anthers of fully open flowers.

207 T and COCH are Arabidopsis thaliana BLADE-ON-PETIOLE orthologs, and we have shown that their function

208 rounded, lobed leaves with shorter and wider petioles, overexpression of either RS2 or AS1 results in

209 We investigated the structure of their petioles, petiolules, leaflets, and tendrils through his

210 gh levels of SOB3 expression lead to a short-petiole phenotype similar to that conferred by removal o

211 s were slightly pale green and had elongated petioles, phenotypes that are observed in mutants altere

212 We identify both blade and petiole positioning as important components of leaf move

213 hat is necessary to promote phototropism and petiole positioning in Arabidopsis.

214 egulated processes in Arabidopsis, including petiole positioning, leaf expansion, stomatal opening an

215 CUC3::P1-GFP partially or fully complemented petiole positioning, leaf flattening and chloroplast acc

216 2 activity is specifically suppressed in the petiole region under -DIF conditions.

217 cell expansion in abaxial cells of the basal petiole region, while both responses are largely diminis

218 ion rate at the proximal abaxial side of the petiole relative to the adaxial side was implemented.

219 ongation at the proximal abaxial side of the petiole relative to the adaxial side).

220 c conductivity (-1.7 and -1 MPa for stem and petiole, respectively).

221 d ACC content, and application of ACC to the petiole restored leaf growth patterns.

222 Stem or petiole segments were tested for cavitation resistance b

223 lar and nonvascular tissues of mature celery petioles showed a strong anti-MTD sera cross-reactive ba

224 hus annuus stems, and Aesculus hippocastanum petioles) showed considerable reduction in cavitation re

225 This was achieved using a defoliant-induced petiole-specific promoter, proPER21, to drive GhRLF1 (pr

226 ple, grape, corn, and tomato and leaf blade, petiole, stem, and pod tissues from soybean plants.

227 distinct phenotype associated with increased petiole/stem angle, resulting in a droopy leaf phenotype

228 indicated that the protein occurs in leaves, petioles, stems, and cotyledons of seedlings but not in

229 9 promoter activity is robust in leaf veins, petioles, stems, and vascular tissues and induced by sho

230 9 promoter activity is robust in leaf veins, petioles, stems, and vascular tissues and induced by sho

231 ics of tissue desiccation and rehydration in petioles (stipes) of intact DT ferns.

232 unt of embolized vessels in the xylem of the petiole strongly correlated with area of drought-induced

233 Arabidopsis thaliana Instead, we found that petiole surfaces of leaves distal to insect-feeding site

234 are co-expressed in both local and systemic petioles than naive vines indicating an inherent synchro

235 ts in longer and narrower leaves with longer petioles than wild type.

236 ng is possible because the leaves have stout petioles that are basally anchored rather than attached

237 s of C4 photosynthesis in cells of stems and petioles that surround the xylem and phloem, and that th

238 In the petiole, the initial flame-wound-evoked transient increa

239 growth inhibition and weakening of stems and petioles, the severity of which positively correlated wi

240 scription factor family influences growth in petioles, this study identifies a key step in the gene r

241 ted with the shoot apex and the base of leaf petioles throughout the vegetative phase.

242 d this enhanced resistance response protects petiole tissue alone.

243 pontaneous lesion formation, all confined to petiole tissue.

244 in the axillary bud, or in adjacent stem or petiole tissue.

245 Also, petiole treatment of Arabidopsis with 1-N-naphthylphthal

246 integrity in leaves (i.e. leaf midveins and petioles) using synchrotron-based in vivo x-ray microcom

247 gated hypocotyl and internodes but wild-type petioles was identified through a forward genetic screen

248 titutive luciferase activity specifically in petioles, was chosen for further analysis.

249 Roots and petioles were equally vulnerable to drought stress based

250 and increased length of root, hypocotyl, and petiole when compared with Col-0 and jaz4-1 plants, alth

251 at the base of pedicels, and at the base of petioles where leaves attach to the stem.

252 he adaxial-abaxial polarity axis in the leaf petiole, where they regulate PHB and FIL expression and

253 results suggest that the sheath derives from petiole, whereas the blade derives from the lamina of th

254 ective of equilibrium leaf water potentials, petioles, whose vessels extend into the major veins, sho

255 that models the scaling relationship between petiole width and leaf mass.

256 automated pipeline to extract leaf area and petiole width from 22 680 leaves, representing a phyloge

257 e and in excised leaves supplied through cut petioles with peptides derived from the C terminus of ea

258 sayed by feeding leaves, via freshly excised petioles, with 1% (weight in volume, w/v) neutral red (N

259 We characterized the petiole xylem anatomy of 39 species belonging to the Eup