ライフサイエンスコーパス: pollen

1 rmed dRemp (defective retroelement mobile in pollen).

2 nd skin and nasal provocation tests to grass pollen.

3 patterns when imaged in both guard cells and pollen.

4 h rhinoconjunctivitis and asthma mediated by pollen.

5 apped oxPTMs triggered by SI in incompatible pollen.

6 onsensitized individuals also are exposed to pollen.

7 atic silencing in both bicellular and mature pollen.

8 gous myb81-1 mutant that sheds ~50% abnormal pollen.

9 tion and programmed cell death (PCD) of self-pollen.

10 ning stigma receptivity to accept compatible pollen.

11 onsume non-prey foods like plant foliage and pollen.

12 mally through the female, but rarely through pollen.

13 e to the presence of additional allergies to pollens.

14 ral rubber latex, peanuts and grass and tree pollens.

15 internet search data to approximate observed pollen: (1) volume/availability of internet search data,

16 Higher ambient levels of grass pollen 2 days before (lag 2) were associated with lower

17 defective primexine formation, resulting in pollen abortion and complete male sterility.

18 Pollen addition removed the negative effect of asynchron

19 l trial data show that the efficacy of birch pollen AIT is not only related to birch pollen allergy b

20 The binding of natural ligands by the birch pollen allergen Bet v 1 or the mold allergen Alt a 1 inc

21 Mucosal grass pollen allergen exposure by SLIT resulted in highly dive

22 Grass pollen allergen induced cT(FH)-cell proliferation in the

23 tudy was to evaluate the usefulness of grass pollen allergen molecules for prediction of grass pollen

24 weed pollen production, but their effects on pollen allergenicity remain to be elucidated.

25 ntibodies that were specific for major grass pollen allergens and able to elicit basophil activation

26 ipid transfer polyproteins, which are common pollen allergens.

27 During that period, pollen allergic as well as non-allergic patients frequen

28 cells were initially evaluated in the grass pollen-allergic (GPA) group (n = 28) and nonatopic healt

29 47 grass-pollen-allergic patients were enrolled in a double-blind

30 irch pollen AIT is not only related to birch pollen allergy but extends to pollen from other trees, e

31 ) intervention improves the control of grass pollen allergy by maintaining allergen tolerance after c

32 n allergen molecules for prediction of grass pollen allergy during childhood and up to adolescence.

33 ILIT gives a substantial reduction in grass pollen allergy symptoms and use of rescue medication, si

34 om allergic rhinoconjunctivitis due to grass pollen allergy were randomized to receive subcutaneous i

35 therto unrecognized early indicator of grass pollen allergy, in addition to Phl p 1.

36 ng a 3-year-long AIT against grass and birch pollen allergy, respectively.

37 to optimize diagnosis and treatment of tree pollen allergy, the experts recommend to focus diagnosis

38 llected from subjects undergoing AIT against pollen allergy.

39 help clinicians improve prediction of grass pollen allergy.

40 lemented as a fast screening tool to support pollen analysis in honey authentication.

41 We present an approach for fossil pollen analysis that uses optical superresolution micros

42 unctions, GPT1 was shown to be important for pollen and embryo-sac development.

43 n definition as individual solution for each pollen and geographical area.

44 of HAPI show images of freshly emitted tree pollen and mineral dust.

45 Adverse associations between pollen and multiple outcomes were greater in adults with

46 ning time during cooler hours with increased pollen and pistil viability will overcome heat stress-in

47 d differences in sensitization to olive tree pollen and profilin (P = .01 and P = .001, respectively)

48 ould avoid extensive outdoor activities when pollen and respiratory virus seasons coincide.

49 (RBOH1), and that RBOH1-mediated ROS promote pollen and seed development by triggering PCD and tapeta

50 Because beech has long distance pollen and seed dispersal, these results illustrate a 'b

51 ms responsible for the observed diversity of pollen and spore walls, the processes involved remained

52 dded in a mudstone matrix containing diverse pollen and spores.

53 We recently evaluated pollen and symptom data from Germany to examine the new

54 t ANT patients were more often sensitized to pollen and that specific pollen sources differed between

55 t communities, in which a high percentage of pollen are transported conspecifically, to evolve only w

56 Allergic rhinitis to grass pollen (ARg) was defined as upper airway symptoms during

57 a to evaluate whether searches for the term "pollen" can be used to approximate local observed early-

58 respiratory syncytial virus, co-exposure to pollen caused attenuated antiviral gene expression and i

59 ion underlying this process, we screened for pollen cell patterning mutants and isolated the heterozy

60 regulated and expressed solely in pistil and pollen cells, respectively.

61 We used high-resolution fossil pollen, charcoal, diatom and sediment chemistry data fro

62 s have no morphological adaptations to limit pollen collection by bees, thus we assessed their potent

63 ch as sugar concentration, nectar volume and pollen composition as well as non-rewarding attributes s

64 Symptom and Medication Score (TNSMS) and the pollen concentration levels.

65 d to approximate local observed early-season pollen concentrations as reported by the National Allerg

66 gate the correlation between birch and grass pollen concentrations during the birch and grass pollen

67 Symptoms followed airborne pollen concentrations in subjects with SAR, with a time

68 may include many intermittent days with low pollen concentrations.

69 ve cases were correlated with airborne birch pollen concentrations.

70 A positive correlation between profilin and pollen count of Olea and Poaceae was observed (rho = 0.2

71 8) separated by periods of low pollen counts (intercurrent periods).

72 a linear regression model of cSMS and grass pollen counts was developed.

73 , thus revealing a potential source of daily pollen data across the U.S. where observational pollen d

74 len data across the U.S. where observational pollen data are not reliably available.

75 in Arabidopsis does not cause a discernible pollen defect.

76 physiological costs of physical and chemical pollen defenses.

77 t can also reduce consumption through direct pollen defenses.

78 olor granulocyte activation test using grass pollen demonstrated MRGPRX2 upregulation associated with

79 F-box (SLF) genes collectively encoding the pollen determinant.

80 sella rubella), caused postmeiotic arrest of pollen development at the microspore stage.

81 that truncation and deletion of tapetum and pollen development genes on the X haplotype likely cause

82 s explaining the essential role of Pol IV in pollen development in Capsella.

83 regulation of tapetal cell degeneration and pollen development in Solanum lycopersicum (tomato) plan

84 Pollen development, pollen grain germination, and pollen

85 during the peak season of moderate amount of pollen dispersal (3582 grains/cm(2)/season) in 2020.

86 In some contexts, the predicted effects of pollen dispersal are outweighed by other factors that go

87 sification is key to determining the role of pollen dispersal on plant speciation for model clades.

88 This pollen dispersal-dependent speciation hypothesis predict

89 ant diversification through their effects on pollen dispersal.

90 apturing male and female meiosis, asymmetric pollen division, movement of meiotic chromosomes, and un

91 ralist bumble bees avoid collecting cucurbit pollen due to the physiological costs of physical and ch

92 due to the proximity and abundance of almond pollen during bloom.

93 colpate pollen, we delineate the regions of pollen elastic parameters where desiccation leads to a r

94 ees collected negligible amounts of cucurbit pollen, even though all groups of bees visited these flo

95 sed and invest strongly in petals to promote pollen export, while lighter flowers tend to be female-b

96 included often many recording days with low pollen exposure (max.

97 The association between grass pollen exposure and early markers of asthma exacerbation

98 ed the associations between short-term grass pollen exposure and lung function and airway inflammatio

99 kinetics of symptom expression under natural pollen exposure have never been systematically studied,

100 Pollen exposure induces local and systemic allergic immu

101 ed the humoral immune response under natural pollen exposure to potentially uncover nasal biomarkers

102 ower than in those with SAR but followed the pollen exposure with similar kinetics.

103 exacerbation by the trigger factors stress, pollen exposure, and change in weather.

104 rimary sensitizer in regions with high olive pollen exposure, leading to the peach nsLTP sensitizatio

105 efined as upper airway symptoms during grass pollen exposure.

106 JES6-1 in the presence or absence of mugwort pollen extract (MPE) on days 0-2.

107 NHS ester-coated slides after timothy grass pollen extract stimulation appearing a suitable substrat

108 Three proteins (kappa-casein, timothy grass pollen extract, polyclonal anti-human IgE) were printed

109 wed by 5 alternate day challenges with grass pollen extract.

110 le knockout of ALA6/7 was shown to result in pollen fertility defects.

111 f genes for micro-sporogenesis that affected pollen fertility, and may determine the final grain numb

112 and HPAT3 are redundantly required for full pollen fertility.

113 By specifying mating events and pollen flow across the landscape, distinct types of poll

114 Environmental factors (pollen/flowers [P = .005] and damp air [P = .012]) were

115 Phase diagrams of pollen folding pathways indicate that an increase in the

116 mechanical design of apertures influence the pollen folding patterns.

117 rtures play an important role in determining pollen folding upon desiccation.

118 f cultivated genera that were visited during pollen foraging.

119 conspecific crosses, as well as to rejecting pollen from foreign species or whole clades.

120 nts benefit by inducing pollinators to carry pollen from male to female flowers, and their sexual dim

121 S-specific pollen rejection and rejection of pollen from Nicotiana plumbaginifolia.

122 lated to birch pollen allergy but extends to pollen from other trees, especially alder, hazel and oak

123 rbing pigmentation on petals, which protects pollen from UV-damage.

124 otypes, and expression of ALA4 transgenes in pollen fully rescued ala6/7 mutant fertility defects.

125 s of mineral dust, soot particles, aerosols, pollen, fungi and/or other contaminants that deposit on

126 HA8, and AHA9 in Arabidopsis thaliana delays pollen germination and causes pollen tube growth defects

127 n this study, we show that pollen viability, pollen germination and seed number decreased in the BR-d

128 e, the dry stigmatic papillary cells control pollen germination by releasing resources only to compat

129 educed male transmission efficiency, lowered pollen germination frequency and slowed PT elongation.

130 Pollen development, pollen grain germination, and pollen tube elongation are

131 biophysical patterning mechanism that forms pollen grain surfaces.

132 at the droplet interface, analogously to the pollen grain wall formation.

133 In the pollen grain, Pol IV is also required for the accumulati

134 nd complemented these with proteomic data of pollen grains (PGs) and PTs.

135 etophytes and acts as a natural protector of pollen grains against various environmental and biologic

136 d to the nucleus and cytoplasm in developing pollen grains and later to the apical domain in growing

137 When pollen grains become exposed to the environment, they ra

138 Pollination is the transfer of pollen grains from the stamens to the stigma, an essenti

139 The exine of angiosperm pollen grains is usually covered by a complex mix of met

140 xperimental observations show that different pollen grains sharing the same number and type of apertu

141 d the accumulation of flavonol glycosides in pollen grains to wild-type levels, corroborating the req

142 In pollen grains, a phase separation of extracellular mater

143 es, a reduced number of petals, fewer viable pollen grains, and larger embryos and seeds compared to

144 observed in roots, ligules, leaves, sheaths, pollen grains, and surrounding the vascular tissues of a

145 s with long styles, short anthers, and small pollen grains, S-morph individuals have flowers with sho

146 s with short styles, long anthers, and large pollen grains.

147 plays smaller and paler anthers with aborted pollen grains.

148 t with a previously hypothesized function in pollen guidance/retention.

149 The suppressed pollen had increased fertility, fewer morphological defe

150 Notably, SI-induced pollen had numerous irreversible oxidative modifications

151 ble oxidative modifications, while untreated pollen had virtually none.

152 ation for the limited effectiveness of birch pollen immunotherapy in birch pollen-related food allerg

153 terestingly, the haploid male gametophyte or pollen in Arabidopsis, on the other hand, can cope witho

154 sional hypothesis of pangenesis, the role of pollen in fertilisation, and the influence of "condition

155 rly mirror symptom loads for grass and birch pollen-induced allergic rhinitis in other European geogr

156 d as proposed by the EAACI are correlated to pollen-induced symptom loads reported by PHD users durin

157 Hundreds of plant species release their pollen into the air every year during early spring.

158 Tracking concentrations of regional airborne pollen is valuable for a variety of fields including pla

159 The concentration of profilin as well as pollen levels in the air was measured.

160 nctionally specialized plants are at risk of pollen limitation across land use categories.

161 suggest that while urbanization intensifies pollen limitation, ecologically and functionally special

162 on a single pollinator taxon were extremely pollen limited across land use types.

163 fication is causing plant reproduction to be pollen limited at global scales.

164 n traits that might act as defenses to limit pollen loss to generalist pollinators.

165 Art v 3, a pollen LTP from mugwort, is frequently involved in this

166 e first structural epitopes of an allergenic pollen LTP.

167 ur objective was therefore to assess whether pollen may interfere with antiviral immunity.

168 functional CWC15, suggesting that developing pollen might be more tolerant to CWC15-mediated defects

169 d to the interruption of not only the second pollen mitosis but also the movement of siRNA from the v

170 pically, myb81-1 microspores fail to undergo pollen mitosis I (PMI) and arrest at polarized stage wit

171 e progenitor of sperm) to promote the second pollen mitosis, mediates siRNA movement to reinforce het

172 Data from twenty-three pollen monitoring stations from three countries in Europ

173 heir sexual dimorphism might thus facilitate pollen movement through pollinator behavior.

174 Regions of strong association with pollen number are enriched for signatures of selection,

175 ess the molecular signatures of selection on pollen number-associated loci in the predominantly selfi

176 We isolate the gene REDUCED POLLEN NUMBER1 (RDP1) at the locus with the strongest as

177 n contrast to pleiotropic null mutants, only pollen numbers are significantly affected by natural all

178 , one of which is always highly expressed in pollen, occurred independently in monocots and dicots.

179 We trained the models on the pollen of 16 genera of the legume tribe Amherstieae, and

180 equent mutations recovered recently from the pollen of select maize lines resulted from the meiotic m

181 ic lipid transfer protein (nsLTP) from olive pollen, one of the main allergenic pollens worldwide.

182 higher proportion of subjects sensitized to pollens (p < .001) and foods (p < .001).

183 al properties of bioinspired systems such as pollen paper opens the door to a wide range of sustainab

184 definitions of pollen season as well as peak pollen period start and end as proposed by the EAACI are

185 Immunology (EAACI) on pollen season and peak pollen period start and end.

186 mptom levels occurred mostly within the peak pollen periods (PPP) following the EAACI criteria.

187 ver, sensitization to birch as well as grass pollen Phl p 1 and cat Fel d 1 allergen molecules may be

188 herapy (SLIT) for allergy to temperate grass pollen, predominantly to ryegrass pollen (RGP; Lolium pe

189 change, have been shown to increase ragweed pollen production, but their effects on pollen allergeni

190 esults demonstrate irreversible oxidation of pollen proteins during SI and provide evidence that this

191 Together with a pollen record recovered from a prehispanic well, these d

192 we use plant biomes, preserved in the fossil pollen record, to examine how long a biome type persists

193 use of the scarcity of well dated fossil and pollen records that covers this period.

194 ant, NaTrxh(SS) , suppresses both S-specific pollen rejection and rejection of pollen from Nicotiana

195 il protein S-RNase contributes to S-specific pollen rejection in conspecific crosses, as well as to r

196 e alone is not sufficient for either type of pollen rejection.

197 why S-RNase alone could be insufficient for pollen rejection.

198 t not rBet v 1, significantly improved birch pollen-related apple allergy.

199 eness of birch pollen immunotherapy in birch pollen-related food allergy and indicate a dominant prot

200 xpressed primarily in vegetative tissues and pollen, respectively.

201 rate grass pollen, predominantly to ryegrass pollen (RGP; Lolium perenne).

202 Patients with grass pollen rhinoconjunctivitis were treated with 3 ILIT inje

203 to honey, other beekeeping products, such as pollen, royal jelly, propolis, and beeswax, are also vul

204 ic publications that evaluated PA in honeys, pollens, royal jelly, and propolis.

205 and microscopy, we identify, to genus-level, pollen samples from honey bee colonies placed within eac

206 ntal exposure unit after 1 intervening grass pollen season (GPS1).

207 f Allergy and Clinical Immunology (EAACI) on pollen season and peak pollen period start and end.

208 nalysis demonstrated that the definitions of pollen season as well as peak pollen period start and en

209 en concentrations during the birch and grass pollen season defined via the EAACI criteria, and total

210 herefore, it is necessary to find an adapted pollen season definition as individual solution for each

211 reported by PHD users during birch and grass pollen season.

212 Further, we found a fragmentation of pollen seasons in several segments (max.

213 The adequate definition of pollen seasons is essential to facilitate a correct diag

214 Based on these data, pollen seasons were identified according to EAACI criter

215 s related quality of life scores during four pollen seasons.

216 terms of pattern and length of the examined pollen seasons.

217 To identify grass pollen sensitization and predict later ARg, allergen mol

218 dified by current asthma, current hay fever, pollen sensitization, age, and other environmental facto

219 n adults with current asthma, hay fever, and pollen sensitization.

220 idopsis, and the number of genes involved in pollen signaling is significantly reduced in A. trichopo

221 anther insertion point; by contrast, neither pollen size nor male incompatibility is affected by GLO2

222 often sensitized to pollen and that specific pollen sources differed between regions.

223 aea, Syringa, Viburnum), functioned as major pollen sources, but the majority of plants inventoried a

224 quired for the accumulation and transport of pollen-specific flavonol 3-o-sophorosides, characterized

225 Notably, a number of pollen-specific genes were lacking in Arabidopsis, and t

226 ed by a complex mix of metabolites including pollen-specific hydroxycinnamic acid amides (HCAAs) and

227 Nasal pollen-specific IgA and IgG isotypes are potentially pro

228 tween populations, as egg-specific and birch pollen-specific IgE was more common in Finland.

229 and sIgE could be predictive biomarkers for pollen-specific symptom expression, irrespective of atop

230 , resulting in univalents at metaphase I and pollen sterility.

231 ell wall deposition, bearing consequences in pollen-stigma interactions and PT guidance.

232 lar regulatory (T(FR)) cells following grass pollen subcutaneous immunotherapy (SCIT) and sublingual

233 causing plant reproduction to be limited by pollen supply.

234 zed by a glycosidic beta-1,2-linkage, to the pollen surface of Arabidopsis (Arabidopsis thaliana).

235 nol-3-o-sophorosides from the tapetum to the pollen surface.

236 learning-based image recognition package for pollen tetrad analysis that enables high-throughput meas

237 colors of fluorescent protein in Arabidopsis pollen tetrads.

238 ponent of the exocyst complex in Arabidopsis pollen that is required for efficient plant sexual repro

239 on by releasing resources only to compatible pollen thereby allowing pollen to hydrate and germinate.

240 Plants can reduce access to pollen through altered floral cues or morphological stru

241 s between local search patterns and observed pollen, thus revealing a potential source of daily polle

242 oried at our nurseries provided little or no pollen to honey bees.

243 s only to compatible pollen thereby allowing pollen to hydrate and germinate.

244 The ability of pollen to suppress innate antiviral immunity, independen

245 tial for physical, nutritional, and chemical pollen traits that might act as defenses to limit pollen

246 by FERONIA in which the arrival of the first pollen tube alters ovular conditions to disengage pollen

247 Pollen tube arrival at the ovule triggers the accumulati

248 n tube alters ovular conditions to disengage pollen tube attraction and prevent the approach and pene

249 t have greatly advanced our understanding of pollen tube attraction strategies and the mechanisms tha

250 in ovular sporophytic tissue is involved in pollen tube attraction, and promotes secretion of the po

251 be attraction, and promotes secretion of the pollen tube chemoattractant LURE1.2.

252 ve cell-specific functions, in root hair and pollen tube development, for example.

253 n development, pollen grain germination, and pollen tube elongation are crucial biological processes

254 stream pH-dependent mechanisms essential for pollen tube elongation, and thus plant fertility.

255 gk4-1/+ double heterozygote showed defective pollen tube growth and seed development because of nonvi

256 haliana delays pollen germination and causes pollen tube growth defects, leading to drastically reduc

257 nteraction of cognate PrsS and PrpS triggers pollen tube growth inhibition and programmed cell death

258 ubstantiating a mechanistic role for AHAs in pollen tube growth through plasma membrane hyperpolariza

259 he ER and were involved in PA production for pollen tube growth.

260 e cell walls that provide less resistance to pollen tube growth.

261 ng wound signaling, stomatal regulation, and pollen tube growth.

262 ion, physical mechanisms also play a role in pollen tube guidance; however, these processes remain po

263 The pollen tube in a flowering plant grows in a direction th

264 Highly polarized secretion at a growing pollen tube tip requires the exocyst tethering complex r

265 ns and later to the apical domain in growing pollen tube tips characterized by intensive exocytosis.

266 sperm cells and their transport vehicle, the pollen tube.

267 In plants, NO is generated in pollen tubes (PTs) and affects intracellular responses t

268 ng plants (angiosperms) are characterized by pollen tubes (PTs; male gametophytes) carrying two immob

269 ar below the maximum penetration force these pollen tubes are able to generate.

270 In Arabidopsis, pollen tubes are guided by cysteine-rich chemoattractant

271 smaller than the maximum force generated by pollen tubes from L. longiflorum (36 uN).

272 enetrate into a stiffer matrix compared with pollen tubes from L. longiflorum, even though the maximu

273 By contrast, pollen tubes from Lilium longiflorum and other plant spe

274 , even though the maximum force generated by pollen tubes from N. tabacum (11 uN) is smaller than the

275 ransition from a softer to a stiffer matrix, pollen tubes from N. tabacum display a greater ability t

276 We found that pollen tubes from Nicotiana tabacum and other plant spec

277 Here we show that pollen tubes from plants with solid transmitting tracts

278 Furthermore, mutant pollen tubes had less negative membrane potentials, subs

279 netration of female gametophytes by multiple pollen tubes in Arabidopsis.

280 To reach the female gametophyte, growing pollen tubes must penetrate different tissues within the

281 Pollen tubes of aha mutants had reduced extracellular pr

282 ccurs during the formation of root hairs and pollen tubes or de novo formation of cell plates during

283 iosperms depends on the proper trajectory of pollen tubes through the pistil tissues to reach the ovu

284 apilla cells is accompanied by a tendency of pollen tubes to coil around the papillae.

285 These results indicate a strategy of pollen tubes to protect microtubules and avoid growth ar

286 Flowering plants rely on pollen tubes to transport their immotile sperm to fertil

287 n of the female gametophyte by late-arriving pollen tubes, thus averting polyspermy.

288 al membrane traffic at the tip of elongating pollen tubes.

289 e lag between 0 and 13 days depending on the pollen type.

290 , and their close relationship with the main pollen types.

291 In this study, we show that pollen viability, pollen germination and seed number dec

292 both the absolute elastic properties of the pollen wall and the relative elastic differences between

293 ies, disrupted callose deposition, defective pollen wall formation such as abnormal microspore plasma

294 The formation of pollen wall is a complex but well-regulated process, whi

295 In flowering plants, pollen wall is a specialized extracellular cell-wall mat

296 a novel rice male sterile mutant, defective pollen wall3 (dpw3), which displays smaller and paler an

297 Focusing primarily on colpate pollen, we delineate the regions of pollen elastic param

298 atment with AIT in patients allergic to tree pollen were discussed by a group of German medical exper

299 on Cucurbita plants, collected pure loads of pollen while generalist honey bees and bumble bees colle

300 rom olive pollen, one of the main allergenic pollens worldwide.