ライフサイエンスコーパス: stamen

1 rgely confined to sporophytic tissues of the stamen.

2 wer development preferentially in pollen and stamen.

3 elevated for Mg25 and Mg11 messenger RNAs in stamens.

4 ved in the jasmonate response in Arabidopsis stamens.

5 volved in controlling jasmonate responses in stamens.

6 ete development of organs such as leaves and stamens.

7 n flowers with homeotic defects primarily in stamens.

8 related to lower sorbitol concentrations in stamens.

9 r patterning and identity of both petals and stamens.

10 r, allowing for the production of additional stamens.

11 of the allopolyploid species without lateral stamens.

12 tiation rates or substitutions of petals for stamens.

13 was not related to the number of functional stamens.

14 ype identity and organ shape and size in the stamens.

15 required for the proper development of short stamens.

16 lity (CMS) by homeotic transformation of the stamens.

17 identity of floral organs, including adaxial stamen abortion and asymmetry of adaxial petals.

18 Specifically, lateral stamen abortion in Mohavea is correlated with an expansi

19 e comprising Arabidopsis ovules, replums and stamen abscission zones.

20 flower development, C-genes are required for stamen and carpel development and floral determinacy, an

21 They perform crucial functions specifying stamen and carpel development in the flower and controll

22 mmary The floral C-function, which specifies stamen and carpel development, played a pivotal role in

23 followed genome-wide expression during early stamen and carpel development.

24 Adding to the previously identified stamen and carpel functions for GRCD1 and GRCD2, two par

25 were identified previously as regulators of stamen and carpel identities and floral determinacy beca

26 n CDK8, is required for the specification of stamen and carpel identities and for the proper terminat

27 Stamen and carpel identities are specified by the combin

28 of an Arabidopsis floral meristem to specify stamen and carpel identity and to repress further prolif

29 d C lineage, whose members typically promote stamen and carpel identity as well as floral meristem de

30 orphological feature IbAG appears to specify stamen and carpel identity, but is not sufficient to spe

31 nvolved in controlling cell proliferation in stamen and carpel primordia and in ovules during flower

32 of the MADS-box family that is expressed in stamen and carpel primordia.

33 Our analysis focuses on stamen and gynoecium development, where we find that NUB

34 iption factors, ARF6 and ARF8, regulate both stamen and gynoecium maturation.

35 ctional studies suggest their involvement in stamen and leaf development or flowering time regulation

36 and eudicots, with B-class genes controlling stamen and lodicule development.

37 k both GA3ox1 and GA3ox3 functions displayed stamen and petal defects, indicating that these two gene

38 homeotic gene APETALA3 (AP3) is required for stamen and petal development in Arabidopsis.

39 -signaling are male-sterile, with defects in stamen and pollen development.

40 ana), jasmonate is a key signal required for stamen and pollen maturation and thus for male fertility

41 1 in a transcriptional cascade that mediates stamen and pollen maturation in response to jasmonate.

42 and other transcription factors required for stamen and pollen maturation was strongly reduced in sta

43 In Arabidopsis, jasmonate is required for stamen and pollen maturation.

44 ely referred to as a modified petal stipule, stamen and tepal.

45 c lines, flowers have rudimentary petals and stamens and are male sterile.

46 le RNAi lines did show cell abnormalities in stamens and carpels and produced extremely small fruit-l

47 essary for plant sexual reproduction because stamens and carpels are absent from ag mutant flowers.

48 stamens and perianth in Nuphar, and between stamens and carpels in Persea.

49 t included proliferation of numerous petals, stamens and carpels indicating loss of floral determinac

50 silencing resulted in homeotic conversion of stamens and carpels into sepaloid organs and loss of flo

51 rgans and (iii) AG homologs are expressed in stamens and carpels of most basal angiosperms, in agreem

52 In flower development, specification of stamens and carpels requires the AGAMOUS gene.

53 oral phenotype with respect to both primary (stamens and carpels) and secondary (petals) sexual trait

54 In flowering plants, the sexual organs (stamens and carpels) are composed almost entirely of som

55 or the specification of reproductive organs (stamens and carpels) during the early steps of flower de

56 f four distinct organ types (sepals, petals, stamens and carpels), each of which may be a modified le

57 JAG, NUB is exclusively expressed in leaves, stamens and carpels, and briefly in petal primordia.

58 t AG might function during the maturation of stamens and carpels, as well as in their early developme

59 ed into concentric whorls of sepals, petals, stamens and carpels, with each of these floral organ typ

60 als and petals, and a perianth distinct from stamens and carpels.

61 AG may act redundantly with other factors in stamens and carpels.

62 and flower meristems, and within developing stamens and carpels.

63 eristem activity and promotes development of stamens and carpels.

64 that is required for development of petals, stamens and carpels.

65 Staminate florets of drl1 tassels have extra stamens and fertile anthers.

66 to the production of third whorl sepal-petal-stamens and fourth whorl sepal-carpels.

67 intermediate between the fossil's functional stamens and modern hamamelidaceous petals.

68 rsea, with staminodial intermediates between stamens and perianth in Nuphar, and between stamens and

69 e anlagen from hypanthial tissue between the stamens and perianth.

70 isense transcript showed partially developed stamens and petals that are arrested at different stages

71 rowth by cell division and cell expansion in stamens and petals.

72 specific either to the roots (AtG3Pp3) or to stamens and siliques (AtG3Pp5) in other promoter-GUS fus

73 ed in the doubly silenced flowers, where all stamens and staminodia were transformed into carpels.

74 t 63 kg of floral bio-residues (FB) (tepals, stamens and styles) are thrown away.

75 own as flowers, more precisely corollas with stamens and styles.

76 y flowers and that bioactive GAs made in the stamens and/or flower receptacles are transported to pet

77 terations, with one additional petal, sepal, stamen, and carpel at each of the four whorls, respectiv

78 in the vascular tissue, in the pericycle, in stamen, and in the chalazal seed coat of ovules and deve

79 was constitutive in the rosette leaf, stem, stamen, and root and limited primarily to vascular tissu

80 They produce extra whorls of stamens, and an indefinite number of carpels.

81 P2 and SEP3, are required to specify petals, stamens, and carpels because these organs are converted

82 P4 contributes to the development of petals, stamens, and carpels in addition to sepals and that it p

83 t, highly reduced organs in place of petals, stamens, and carpels.

84 ) and reproductive (pistils, sepals, petals, stamens, and floral buds) organs examined, whereas LAP-A

85 d in vascular tissues, developing ovules and stamens, and in the embryo.

86 LHS1 expression in pistils, stamens, and lodicules varies among the cereals.

87 s were associated with the length of petals, stamens, and to a lesser extent style-stigma length.

88 rns, most notably in root tips, floral buds, stamens, apical meristems, and germinating seeds.

89 bird pollination mechanism involving bulbous stamen appendages in the Neotropical genus Axinaea (Mela

90 Second, the stamen appendages provide a hexose-rich, highly nutritio

91 We show that the bulbous stamen appendages, which are consumed by various species

92 In strong ap3 and pi mutants, petals and stamens are missing and sepals and carpels develop in th

93 develop in place of petals, but third whorl stamens are most often normal.

94 s sepals rather than petals, but third whorl stamens are normal.

95 ature-sensitive ap3-1 allele, the petals and stamens are partially converted to sepals and carpels, r

96 oration of the region between the petals and stamens associated with epigyny and the hypanthium.

97 scission zones where the sepals, petals, and stamens attach to the receptacle, at the base of pedicel

98 ture microdissection of Arabidopsis thaliana stamen AZs and GeneChip profiling to reveal the AZ trans

99 In wild-type stamen AZs, AtZFP2 is significantly up-regulated postant

100 4, as superman mutants exhibit supernumerary stamens but usually lack carpels.

101 favored increased allocation to pistils (or stamens) but decreased allocation to other whorls.

102 pression of Arabidopsis U1-70K in petals and stamens by expressing U1-70K antisense transcript using

103 pression patterns were examined in perianth, stamens, carpel, hypanthial tube and corona tissue.

104 r protein, is involved in maintenance of the stamen/carpel whorl boundary (the boundary between whorl

105 ence and floral meristems, and in developing stamens, carpels and ovules.

106 Arrested stamen cells showed no signs of DNA fragmentation, an ab

107 Os07g37920 transcript levels were higher in stamens compared to leaves and significantly reduced in

108 contribute to the greater strength of petal-stamen correlations relative to other floral-length corr

109 whereas nitrogen allocation to male organs (stamens) decreased under drought.

110 onversion of sepals into petals, carpels, or stamens, depending on the genetic context.

111 We found that neither sepal-derived nor stamen-derived petaloid organs exhibit gene expression p

112 l identity program between sepal-derived and stamen-derived petaloid organs in the 'living stone' fam

113 and are not implicated in petal identity in stamen-derived petals, as their transient expression coi

114 ual mutants that lack genes needed for early stamen development and a third was associated with asexu

115 dentified 17 clusters (96 genes) involved in stamen development and acting downstream of the transcri

116 ion to its previously characterized roles in stamen development and brassinosteroid perception, SERK1

117 and heterozygous for the other) had delayed stamen development and decreased fecundity, indicating t

118 identified reduced transcript levels during stamen development and pollen tube growth in the transge

119 ude that sorbitol plays an essential role in stamen development and pollen tube growth via MdMYB39L i

120 role of AP3 lineage genes was in specifying stamen development and that duplication and divergence i

121 , implying that many genes used in petal and stamen development are not tissue specific and likely ha

122 led information about gene expression during stamen development in Arabidopsis (Arabidopsis thaliana)

123 ovo synthesis of active GAs is necessary for stamen development in early flowers and that bioactive G

124 ctors, ARF6 and ARF8, regulate gynoecium and stamen development in immature flowers.

125 ic acid to developing inflorescences rescued stamen development in mutant ts1 and ts2 inflorescences,

126 sent in a miR319a(129) background, petal and stamen development is severely disrupted, suggesting tha

127 n myb21 plants demonstrated that appropriate stamen development requires MYB domain protein 21 under

128 th of all floral organs, especially abortive stamen development that results in complete male sterili

129 Stamen development thus appears to involve transcription

130 the C class MADS-box TF GAGA1 contributes to stamen development upstream of GhCYC3 Our data demonstra

131 th decreased sorbitol synthesis had abnormal stamen development, a decreased pollen germination rate

132 To identify novel genes in petal and stamen development, a genetic screen was carried out for

133 e, one for carpel suppression, one for early stamen development, and another for late stamen developm

134 ment partially restored MdMYB39L expression, stamen development, and pollen germination and tube grow

135 TILLATA (PI) protein, required for petal and stamen development, has the ability to bind directly to

136 n at early, intermediate, and late stages of stamen development.

137 al development and the other responsible for stamen development.

138 ant aspects of the jasmonate response during stamen development.

139 of the differentiation pathways in petal and stamen development.

140 AP3 or PISTILLATA, responsible for petal and stamen development.

141 were not implicated previously in petal and stamen development.

142 rly stamen development, and another for late stamen development.

143 l mutants that lack genes for late stages of stamen development.

144 genesis/amylolysis during the last stages of stamen development.

145 9a(129) mutants exhibit defects in petal and stamen development; petals are narrow and short, and sta

146 and their possible functions in petal and/or stamen differentiation are discussed.

147 ), which control the formation of petals and stamens during Arabidopsis flower development.

148 ntirrhinum, aborting the lateral and adaxial stamens during flower development.

149 als), more than two whorls of three separate stamens each, and more than five spirally arranged separ

150 different organs such as leaves, petals, and stamens, each with a particular function and shape.

151 tility defect of hot5 is due to both reduced stamen elongation and male and female fertilization defe

152 suggests that DRNL plays a critical role in stamen emergence in Arabidopsis.

153 aves of transient starch accumulation in the stamen envelope, occurring during meiosis and pollen mit

154 ally expressed in reproductive organs (i.e., stamen) evolve more quickly than those specifically expr

155 evelopment; petals are narrow and short, and stamens exhibit defects in anther development.

156 similar to previously identified petal- and stamen-expressed genes as well as genes that were not im

157 Stamen expression is variable.

158 pression of COI1-YFP in the epidermis of the stamen filament and anther in coi1 mutant plants is suff

159 d related class-I TCPs modulate GA-dependent stamen filament elongation by direct activation of SAUR6

160 nts like Arabidopsis (Arabidopsis thaliana), stamen filament elongation must be finely regulated to e

161 DX plants were male-sterile, with defects in stamen filament elongation, anther dehiscence and pollen

162 c male sterility characterized by failure of stamen filament elongation, severe delay of anther dehis

163 related class-I TCP transcription factors in stamen filament elongation.

164 Salt stress inhibited microsporogenesis and stamen filament elongation.

165 This work provides insight into GA-dependent stamen filament elongation.

166 d SAUR75) had slightly reduced hypocotyl and stamen filament elongation.

167 ene network plays a role in the evolution of stamen filament morphology in angiosperms.

168 ll expansion in the fused tube of petals and stamen filaments beneath the anther insertion point; by

169 ncluding elongation of pistils and shortened stamen filaments that resulted in a self-incompatible lo

170 lted in reduced anther dehiscence, shortened stamen filaments, and aborted pollen development.

171 g flowers, GA3ox genes are only expressed in stamen filaments, anthers, and flower receptacles.

172 :GUS fusions had long hypocotyls, petals and stamen filaments, suggesting that these protein fusions

173 fertile closed buds with short petals, short stamen filaments, undehisced anthers that did not releas

174 myb24 double mutants, which also had shorter stamen filaments.

175 specifically within the pistil, petals, and stamen filaments.

176 oter is required for expression of SAUR63 in stamen filaments.

177 ide arrays to follow gene expression in opr3 stamens for 22 h following jasmonate treatment.

178 terile1 (ms1), in which different aspects of stamen formation are disrupted.

179 molecular mechanisms that lead to petal and stamen formation.

180 ipules from leaves and of lateral sepals and stamens from flowers.

181 abnormal number and size of petals and petal-stamen fusions.

182 hese antibodies into Tradescantia virginiana stamen hair cells during late prophase induces breakdown

183 ed brain tubulin has been microinjected into stamen hair cells of Tradescantia, and its distribution

184 ntration into living Tradescantia virginiana stamen hair cells, AtFim1 caused cessation of both cytop

185 ntegrity of the actin cytoskeleton in living stamen hair cells, we demonstrated that AtFim1 protects

186 , expression of wild-type TCP4 in petals and stamens (i.e., AP3:TCP4) has no effect on flower develop

187 ersion of TCP4, when expressed in petals and stamens (i.e., pAP3:mTCP4) causes these organs not to de

188 iption factors required to specify petal and stamen identities in Arabidopsis.

189 B-class MADS box genes specify petal and stamen identities in several core eudicot species.

190 ic gene is required for specifying petal and stamen identities, and is expressed in a spatially limit

191 xtreme homeotic transformations of petal and stamen identities.

192 robustness in the specification of petal and stamen identities.

193 class MADS-box genes in specifying petal and stamen identities.

194 ion factor required for specifying petal and stamen identities.

195 dicot model species, proposes that petal and stamen identity are under the control of B-class genes.

196 is thaliana), the specification of petal and stamen identity depends on the action of two MADS-box ge

197 ed with changes in the expression of B-class stamen identity genes Tomato MADS-box 6 and Tomato PISTI

198 gene is required for establishing petal and stamen identity in Antirrhinum and is expressed in all t

199 The specification of stamen identity in Arabidopsis (Arabidopsis thaliana) is

200 tity via interacting with genes required for stamen identity in Arabidopsis.

201 PISTILLATA (PI), are required for petal and stamen identity in Arabidopsis; their orthologs in Antir

202 MADS-box gene is required for both petal and stamen identity specification.

203 t the SPL/NZZ gene is engaged in controlling stamen identity via interacting with genes required for

204 lass floral homeotic genes specify petal and stamen identity, and loss of B function results in homeo

205 ral B-class function in specifying petal and stamen identity, indicating that GLO2 underwent neofunct

206 cing indicates that in addition to petal and stamen identity, this locus is essential to staminodial

207 delayed onset of PLE expression and loss of stamen identity.

208 xhibits defects in specifying both petal and stamen identity.

209 and PISTILLATA (PI) act to specify petal and stamen identity.

210 lated proteins likely involved in specifying stamen identity.

211 termination pathway results in the arrest of stamen in ear spikelets and the abortion of pistils in b

212 gree to which stigmas are exserted above the stamen in flowers is a key determinant of cross-pollinat

213 Proper development of petals and stamens in Arabidopsis flowers requires the activities o

214 rrant root development, and short petals and stamens in flowers.

215 pocotyls in etiolated seedlings and abnormal stamens in mature flowers.

216 ive confocal imaging, we show that the extra stamens in superman mutants arise from cells in whorl 4,

217 wever, it has remained unclear whether extra stamens in superman mutants originate from an organ iden

218 horl organs and reduced numbers of malformed stamens in the double mutant.

219 ale carpels in the tassel and arrest of male stamens in the ear.

220 rter gene activity exclusively to petals and stamens in the flower.

221 3 (AP3) specifies the identity of petals and stamens in the flower.

222 on of nectar production, and implicate short stamens in the maturation of lateral nectaries.

223 proper specification of the boundary between stamens in whorl 3 and carpels in whorl 4, as superman m

224 stinct patterns within the petals and/or the stamens, including distinct suborgan domains of expressi

225 essor domain (pTCP15::TCP15-EAR) had shorter stamens, indicating that class-I TCPs stimulate filament

226 d along the proximodistal axis of petals and stamens, indicating the importance of this developmental

227 portions of the corolla tube, defined by the stamen insertion boundary.

228 of Zea mays that has homeotic conversions of stamens into carpels and lodicules into palea/lemma-like

229 sed transformation of petals into sepals and stamens into carpels.

230 meotic conversions of petals into sepals and stamens into carpels.

231 hough expression of these orthologues in the stamens is conserved, the expression patterns in the pet

232 ion in petals, but the expression pattern in stamens is unchanged.

233 is, the nectary develops only at the base of stamens, its specification was assayed with regard to th

234 lopmental integration of floral traits (e.g. stamen length and petal length) and high levels of nonad

235 la tube structure, nectar volume, pistil and stamen length) remains poorly understood.

236 ngth, sepal width, long stamen length, short stamen length, and pistil length) in a cosmopolitan samp

237 ir heritabilities for shared traits, such as stamen length, and showed a tendency towards differing s

238 ciated with auxin resistance such as reduced stamen length, and showed increased tolerance to high co

239 controlling style length, three controlling stamen length, and the other affecting anther dehiscence

240 petal width, sepal length, sepal width, long stamen length, short stamen length, and pistil length) i

241 rona of the daffodil N. bulbocodium exhibits stamen-like identity, develops independently from the or

242 the transformation of petal-like organs into stamen-like organs in flowers of ap2-1, a weak ap2 mutan

243 on factors that may be key regulators of the stamen maturation processes triggered by jasmonate.

244 cellular processes responsible for petal and stamen morphogenesis.

245 undergone a homeotic-like transformation in stamen number relative to Antirrhinum, aborting the late

246 layed reduced seed germination, growth rate, stamen number, genetic transmission through the male gam

247 e than half of Lepidium species have reduced stamen numbers, and most of these also have reduced peta

248 Each stamen of Axinaea offers a nutrient-rich, berry-like foo

249 expressed in maize axillary meristems and in stamens of ear primordia, consistent with a function of

250 nd pollen maturation was strongly reduced in stamens of MYC5-SRDX plants relative to the wild type.

251 Here we describe how the flower stamens of the bunchberry dogwood (Cornus canadensis) re

252 nectar volume, nectary area, and the size of stamens on which nectaries develop.

253 owers are initially perfect but abort either stamens or carpels during their development, indicating

254 y of the identified transcripts are found in stamens or carpels, whereas few genes are predicted to b

255 tants can be replaced with staminoid organs, stamens or filaments and that some rbe flowers have incr

256 , studies of diversification in floral form, stamen organization, reproductive biology, photosyntheti

257 s involved in Arabidopsis thaliana petal and stamen organogenesis, we used a gene trap approach to ex

258 NC FINGER PROTEIN2 (AtZFP2), was elevated in stamen, petal, and sepal AZs.

259 as overexpression of TCP15 rescues the short stamen phenotype of GA-deficient plants.

260 ased by half in pistils under drought, while stamen phosphorus was unaffected by environment.

261 ana), focusing on those studies that analyze stamen-, pollen-, or flower-specific expression, we gene

262 and is expressed in a very limited region in stamen primordia and in the developing ovary during flow

263 Although stamen primordia are morphologically visible during earl

264 promoter elements required for expression in stamen primordia in early stages and in the ovary in lat

265 The promoter activity for stamen primordia is modulated by several positive and ne

266 PTD expression was maintained in stamen primordia, but excluded from carpel primordia, as

267 transcripts can be detected in the petal and stamen primordia.

268 Stamens produce pollen grains that contain male gametes,

269 how that species-specific differences in the stamen regulatory network are associated with difference

270 while silencing of AqAP3-2 only affected the stamens, resulting in sterility, stunting or weak transf

271 king agents in saffron, i.e., Crocus sativus stamens, safflower, turmeric, and gardenia were investig

272 ted with subtle, quantitative differences in stamen shape.

273 five floral stages linking prepollination to stamen shed.

274 the timely elongation of sepals, petals and stamens, similar to 35S::KNAT1 plants.

275 rns of myosin gene expression, namely pollen/stamen-specific and ubiquitous expression throughout the

276 ines, the reporter gene showed petal- and/or stamen-specific expression or lack of expression, or exp

277 amilies of homologues that apparently encode stamen-specific isozymes.

278 udies indicate that these genes constitute a stamen-specific jasmonate transcriptome, with a large pr

279 len tube growth in the transgenic trees of a stamen-specific MYB39-like transcription factor, MdMYB39

280 ited to the staminodia while AqAP3-2 becomes stamen-specific.

281 B class genes are essential for lodicule and stamen specification, suggesting homology of petals and

282 along the stem, reduced petal size, abnormal stamens, sterility, and root growth defects.

283 , video monitoring, and detailed analyses of stamen structure and metabolomic composition.

284 allelic dominance of the absence of lateral stamens, suggesting that propagation of dominant alleles

285 terile attractive and protective) organs and stamens, supporting the evolutionary origin of the flora

286 in the corona is more similar to that of the stamens than that of the tepals.

287 ndromes, all having retained multifunctional stamens that provide pollen expulsion, reward and attrac

288 nal content of the organ--in the case of the stamen, the four microsporangia.

289 In sepals, petals and stamens, the strongest defects are seen in the distal re

290 partial conversions of petals to sepals and stamens to carpels.

291 on is the transfer of pollen grains from the stamens to the stigma, an essential requirement of sexua

292 ulation of AqAP3-2 in the innermost whorl of stamens was a critical step in the evolution of elaborat

293 ed the morphological evolution of petals and stamens, we have cloned twenty-six homologs of the AP3 a

294 homeotic transformations of both petals and stamens, whereas RNA interference-induced reduction in T

295 The stamen, which consists of an anther and a filament, is t

296 ed that the RKF1 mRNA is highly expressed in stamens while RKF2 and RKF3 mRNAs are present at low lev

297 ructure located between the perianth and the stamen whorl, which, although developed to varying degre

298 e, it is interesting that adjacent petal and stamen whorls are most strongly affected.

299 orls, especially in the 2nd (petal) and 3rd (stamen) whorls.

300 ces, pistillate inflorescences, and detached stamens with important phylogenetic and paleoecological