ライフサイエンスコーパス: nectar

1 e brood) and foraging (collecting pollen and nectar).

2 bioactive and physical properties of rosehip nectar.

3 om stigma tips to the hypanthium and through nectar.

4 en when all flowers offered the same quality nectar.

5 ectar whereas lumichrome is unique to kanuka nectar.

6 toes consume sugar as floral and extrafloral nectar.

7 up to 771 ppb in pollen and up to 561 ppb in nectar.

8 he evolution of powerful fliers that feed on nectar.

9 aroma active compounds of PEF-treated peach nectar.

10 method has been tested on red wine and fruit nectar.

11 tinoid concentrations in flowers, pollen, or nectar.

12 with no additional benefit offered by agave nectar.

13 , at least partially by NR, in nectaries and nectar.

14 or on human health like phenolic content of nectar.

15 tors and other beneficial insects feeding on nectar.

16 evolving around a single currency, typically nectar.

17 y parameters, especially color of strawberry nectar.

18 starch, are important for generating C. pepo nectar.

19 lactic acid are present in manuka and kanuka nectars.

20 lated genomes that evolved relatively dilute nectars.

21 found in Australian Leptospermum honeys and nectars.

22 an Association of the Industry of Juices and Nectars.

23 The caffeine content in coffee nectar (1.64 mg kg(-1)) was approximately 8-fold lower t

24 Contrary, in peach nectar, 3-deoxyglucosone formation was the dominant.

25 the average sugar content (w/w) was 17.93% (nectar), 47.03% (honey sac) and 79.63% (honey).

26 We conclude that alkaloids in Aconitum spp. nectar affect rates of both pollinator visitation and ro

27 ing 12months of frozen storage, and in butia nectar after a 3-month storage period.

28 any outcome were found when comparing agave nectar against placebo.

29 bbers, but visits correlated negatively with nectar alkaloid concentration and declined sharply betwe

30 uggesting that robbers were less tolerant of nectar alkaloids.

31 NECTAR also identifies functionally equivalent amino aci

32 space of four common fungi and bacteria in a nectar analog.

33 Nectar analyses confirmed the origin and specificity of

34 sugary adhesive aqueous phase similar to bee nectar and an oily phase consistent with plant pollenkit

35 Clothianidin residues in pollen, nectar and honeybees were consistently higher at clothia

36 Honey is synthesized from flower nectar and it is famous for its tremendous therapeutic p

37 ndesirable changes like color degradation in nectar and maximize desirable ones which have beneficial

38 = .06 for cough bothersomeness), with agave nectar and placebo proving to be superior to no treatmen

39 Nectar and pollen collected by honey bees are processed

40 Nectar and pollen contain diverse phytochemicals that ca

41 zed exposure of the different life stages to nectar and pollen contaminated with pesticide for 30 day

42 of a flower-visiting bee that collects both nectar and pollen from an early spring flower visited by

43 Through direct consumption of contaminated nectar and pollen from treated plants, neonicotinoids ca

44 er the astonishingly low levels found in the nectar and pollen of plants is sufficient to deliver neu

45 concentrations are subsequently found in the nectar and pollen of the crop, which are then collected

46 Analysis of nectar and pollen stores from bumblebee colonies placed

47 Honey bees feed on floral nectar and pollen that they store in their colonies as h

48 nificant portion of their lives transporting nectar and pollen, often carrying loads equivalent to mo

49 icotinoid pesticide that bees can consume in nectar and pollen.

50 ct on pollinators when they appear in floral nectar and pollen.

51 Both nectar and scent are highly variable in native populatio

52 er dihydroxyacetone in HPLC of underivatized nectar and showed a UV absorbance maximum of 258 nm.

53 monstrate that bees can access the concealed nectar and that their visits enhance plant fitness.

54 Microbes commonly inhabit floral nectar and the common species differ in volatile profile

55 ing plants, could be solved by not producing nectar and/or scent, thereby cheating pollinators.

56 f enzymes with GOx activity originating from nectars and microorganisms inhabiting honey.

57 e this food synergism, papaya and strawberry nectars and their respective blends (25P:75S, 50P:50S, 7

58 Variation in floral morphological, nectar, and pollen traits of two important agricultural

59 aptations to pollinators that include color, nectar, and shape variation.

60 ng annotations by a shared genomic location, NECTAR annotates variants of interest with details of pr

61 Antioxidants in nectar are scarce to nonexistent.

62 cyclohex-2-en-1-one (callunene) from heather nectar as a potent inhibitor of C. bombi.

63 sive transfer of pollen onto the bird and by nectar as primary reward [1, 2].

64 Nicotiana attenuata, with some producing no nectar at all, uncorrelated with the tobacco's main flor

65 Floral scents and nectar attract both pollinators and other animals that m

66 s did greener autumns, a proxy for increased nectar availability in southern US floral corridors.

67 ion and robbery but may have co-evolved with nectar availability to maintain the fitness benefits of

68 ips on colony reproduction were explained by nectar availability, but effects of flowering strips on

69 oraces, and abdomens, obtained from diverse, nectar-bearing plants.

70 males must accurately discriminate blood and nectar because each meal promotes mutually exclusive fee

71 se oviposition by a hawkmoth herbivore, with nectar being more influential than scent.

72 from thermal processing of BRB powder into a nectar beverage.

73 aradoxical" because bats prefer concentrated nectar, but paradox disappears with realistic assumption

74 r quality nectar, suggesting that attractive nectar can overcome the ecological costs of defended pol

75 er, prior studies showed variable effects of nectar chemicals on infection, which could reflect varia

76 NECTAR collates disease-causing variants and functionall

77 had seven times greater concentrations than nectar collected by bees (0.94 +/- 0.09 ppb).

78 n motivation to initiate foraging, amount of nectar collected, and initiation of subsequent foraging

79 a valuable tool for investigating pollen and nectar collection.

80 aging trips, contributing to both pollen and nectar collection.

81 pairwise invasion tests with four strains of nectar-colonizing yeasts to determine how the destabiliz

82 to decide how much to consume per meal when nectar concentration is highly variable: they did not.

83 Taste, a cue to nectar concentration, is available to nectarivores durin

84 nectar pattern, moving from higher to lower nectar concentration.

85 inappropriately, and cannot predict observed nectar concentrations of bat flowers or negative correla

86 he relationship between proboscis length and nectar consumption (fly benefit) and corolla length and

87 rink consumption were adjusted for juice and nectar consumption and vice versa.

88 Juice and nectar consumption might be associated with a modest dec

89 Juice and nectar consumption was inversely associated with pancrea

90 ificially sweetened soft drink and juice and nectar consumption) and pancreatic cancer risk.

91 In addition to sugars, nectars contain nitrogenous compounds such as amino acid

92 Soybean flowers, cotton pollen, and cotton nectar contained little or no neonicotinoids resulting f

93 When adults feed on nectar containing the average concentration of all pesti

94 erent markers content originating from minor nectar contributions of the acacia-accompanying flora.

95 sion) which we show is due to a Leptospermum nectar-derived compound, leptosperin.

96 te for the first time the presence of unique nectar-derived proteins in manuka honey.

97 nismal traits related to consuming fruits or nectar determine which bat species are central or periph

98 Caffeine concentrations in nectar did not exceed the bees' bitter taste threshold,

99 ing larger quantities or higher qualities of nectar diminishes as magnitudes of the physical stimuli

100 ut 35% of total amino acids in nectaries and nectar during peak secretion; however, alteration of vas

101 pha-dicarbonyl compounds in fruit juices and nectars during storage using multi-response kinetic mode

102 Plants secrete extrafloral nectar (EFN) as an induced defense against herbivores.

103 ed by two abiotic factors characterizing the nectar environment: sugar concentration and pH.

104 nated by hummingbirds or bats produce dilute nectars even though these animals prefer more concentrat

105 disappears with realistic assumptions about nectar evolution.

106 we show that lower quality, or more dilute, nectars evolve when the strength of preferring larger qu

107 ent experiments revealed that plants use the nectar extraction capacity of tropical hummingbirds, a p

108 w that hummingbirds with long bills and high nectar extraction efficiency engaged in daily movements

109 ion enabled hummingbirds to perceive and use nectar, facilitating the massive radiation of hummingbir

110 tor, raising questions about how specialized nectar feeders such as hummingbirds sense sugars.

111 We suggest that nectar feeding, the use of PPP, and intense exercise are

112 Nectar-feeding animals have among the highest recorded m

113 tation, as is the case for gleaning bats and nectar-feeding bats.

114 understood about the mechanisms involved in nectar-feeding decisions, or how this sensory informatio

115 served octenol receptor gene in the strictly nectar-feeding elephant mosquito Toxorhynchites amboinen

116 eptor is operating has diverged in blood and nectar-feeding mosquitoes.

117 ith industrial sugars syrups during the main nectar flow period.

118 butterflies vs. flowering of their potential nectar food plants (days per degrees C) across space and

119 ave investigated the role of plant toxins in nectar for defense against nectar robbers [4, 9, 10].

120 ood-feeding mosquitoes survive by feeding on nectar for metabolic energy but require a blood meal to

121 The caffeine content in the nectar from coffee flowers was measured by high performa

122 These included pollen from corn and cotton, nectar from cotton, flowers from soybean, honey bees, Ap

123 talloid selenate when foraging on pollen and nectar from plants growing in contaminated soils.

124 Alternatively, such compounds could protect nectar from robbers [2], provided that they do not signi

125 as isolated from a preparation of the floral nectar from the New Zealand manuka tree (Leptospermum sc

126 c Schiedea kaalae and S. hookeri and removed nectar from their unique tubular nectary extensions.

127 Although nectar function and composition have been characterized,

128 s generate antioxidant potential by shunting nectar glucose to the pentose phosphate pathway (PPP), r

129 anthocyanin production in the petal lobe and nectar guide, respectively.

130 Rosehip nectar has a sedimentation problem while waiting on the

131 cing antioxidant potential (FRAP) of several nectar honey varieties from northern Poland (lime, rapes

132 es of Satsuma mandarin (Citrus unshiu Marc.) nectar, honey sac content and honey were analyzed by FTI

133 say (ELISA) quantified clothianidin in leaf, nectar, honey, and bee bread at organic and seed-treated

134 re transferred to honey by their presence in nectar, honeydew, and pollen, which are collected from t

135 amples of herbal honeys and three samples of nectar honeys.

136 e unaffected by the 3-month storage of butia nectar; however, flavonoid content and antioxidant poten

137 trimental effects on nutrient value of fruit nectars; however, combining fruit nectars prior to proce

138 Nachev et al present dilute nectar in bat-pollinated plants as "paradoxical" because

139 but A. lycoctonum was more likely to secrete nectar in each flower and was also visited more frequent

140 evening primrose flowers adaptively secrete nectar in response to vibrations from hovering bees lack

141 Both scent and nectar increase outcrossing rates for three, separately

142 of product, however, antioxidant capacity of nectars increased after treatment due to increasing tota

143 ral trait values, including corolla size and nectar, increased linearly with increasing water availab

144 We manipulated dispersal of nectar-inhabiting bacteria and yeasts via flower-visitin

145 Nectar was sampled for the presence of nectar-inhabiting microbes.

146 Using nectar-inhabiting microorganisms as a model system, we p

147 Nectar-inhabiting microorganisms produce volatile compou

148 strong attraction to human hosts, but plant nectar is a common energy source in their diets.

149 NECTAR is a database and web application to annotate dis

150 Floral nectar is a sugary solution produced by nectaries to att

151 Floral nectar is a sugary solution produced by plants to entice

152 Toxic nectar is an ecological paradox [1, 2].

153 Mad honey from Rhododendron ponticum nectar is produced in a large quantity in the western Bl

154 These data improve our understanding of how nectar is produced in an agronomically relevant species

155 Whereas nectar is stored in the abdomen near the bee's center of

156 The distinction between blood and nectar is therefore encoded in specialized neurons at th

157 Chemical defense of nectar is, however, ultimately constrained by pollinator

158 We applied simulated pollen or nectar loads of equal mass to Bombus impatiens bumblebee

159 Typical plant nectar markers can be used to check monofloral honey lab

160 similar to concentrations in Thymus vulgaris nectar (mean 5.2 ppm).

161 nd the presence of such substances in floral nectar means that pollinators often encounter them when

162 e by combining vegetation surveys and direct nectar measurements.

163 Some nectar metabolites, for example, reduce parasite infecti

164 Nectar metabolites, such as sugars, are synthesized with

165 bioactivity-directed fractionation assay for nectar metabolites.

166 haracterize the volatiles produced by common nectar microbes and examine their influence on pollinato

167 ne the presence of fungi and bacteria in the nectar of a coflowering plant community, characterize th

168 Nectar of both plant species contained similar concentra

169 The nectar of L. japonicus flowers was also found to contain

170 is also found in lower concentrations in the nectar of some plants, even though nectar, unlike leaves

171 nicotinoids are also found in the pollen and nectar of wildflowers growing in arable field margins, a

172 presence of 13 potential marker compounds in nectars of the major honey crop species.

173 osquitoes are exclusively dependent on plant nectar or alternative sugar sources.

174 ave beneficial effects on characteristics of nectar or on human health like phenolic content of necta

175 Bumblebees responded strongly to the nectar pattern, moving from higher to lower nectar conce

176 and is the poorest with respect to amount of nectar per unit area and diversity of nectar sources.

177 habitats that produce the greatest amount of nectar per unit area from the most diverse sources, wher

178 In a comparison of agave nectar, placebo, and no treatment, a placebo effect was

179 A single dose of agave nectar, placebo, or no treatment administered 30 minutes

180 prior evening) and the next day (when agave nectar, placebo, or no treatment had been administered t

181 una vulgaris), the second most productive UK nectar plant [10].

182 We evaluated 17 important nectar plants against the bumblebee pathogen Crithidia b

183 ] could reduce the availability of medicinal nectar plants for pollinators, exacerbating their declin

184 ons to postulate about the likely impacts on nectar, pollen and fruit resource availability and the c

185 we tested nine phytochemicals ubiquitous in nectar, pollen, or propolis, as well as five synthetic x

186 rging evidence that the flowering phenology, nectar/pollen production, and fruit production of long-l

187 Botanical origin of the nectar predominantly affects the chemical composition of

188 unities for post-harvest uses: fruit salads, nectar preparation, jams and jellies, or export.

189 e of fruit nectars; however, combining fruit nectars prior to processing can result in synergistic ou

190 High expression of AMP genes in nectar-processing tissues suggests that these peptides m

191 s demonstrate the benefits of blending fruit nectars; producing a superior product than either fruit

192 We show that SWEET9 is essential for nectar production and can function as an efflux transpor

193 Nectar production declined with increasing flower height

194 By silencing benzylacetone biosynthesis and nectar production in all combinations by RNAi, we experi

195 the results strongly suggest that declining nectar production in higher flowers is an adaptation to

196 finely adjusted to the floral morphology and nectar production of the flower.

197 These spurs also exhibited an absence of nectar production, which was correlated with downregulat

198 the basic properties of honey including the nectar-providing plant species, bee species, geographic

199 asslands could add substantially to national nectar provision if they were managed to increase floral

200 species accounting for over 50% of national nectar provision in 2007.

201 between the 1930s and 1970s; however, total nectar provision in Great Britain as a whole had stabili

202 ociate floral scent with a reward containing nectar-relevant concentrations of IMD and TMX and tested

203 pears or even turns into attraction at lower nectar-relevant concentrations.

204 ation upon heat treatment and storage, butia nectar remained rich in phenolics, especially (-)-epicat

205 wider ecological significance of caffeinated nectar remains difficult to interpret.

206 tiles (night emissions of benzylacetone) and nectar requires JA-Ile/COR perception through COI1; and

207 ed the plume from Datura wrightii flowers, a nectar resource for Manduca sexta moths, and show that t

208 ps, pesticides, and fertilizers; (b) loss of nectar resources from flowering plants; and (c) degraded

209 We find evidence for substantial losses in nectar resources in England and Wales between the 1930s

210 nd reward pollinators with floral scents and nectar, respectively, but these traits can also incur fi

211 Overall, our results show the importance of nectar reward and handling time as drivers of plant-poll

212 We found that nectar reward differed across genders and colour morphs.

213 s were longer than nectar tubes, a decreased nectar reward rather than an increased handling time mad

214 onspicuous gynoecium surrounded by prominent nectar reward, organized in structurally similar compoun

215 ed, females and hermaphrodites had different nectar reward, with intermediate morphs being midway bet

216 l bees in particular must collect pollen and nectar rewards to survive, but most workers appear to mi

217 s between flower gender and colour morphs in nectar rewards.

218 In this system, planting nectar-rich flowering plants on rice bunds provides food

219 f plant toxins in nectar for defense against nectar robbers [4, 9, 10].

220 We measured nectar's sugar content in the sexually trimorphic Gerani

221 ariations in both sugar and water content in nectar samples.

222 ontent, colour, and turbidity in sour cherry nectar (SCN), sweetened with sucrose (SCNS), maltose syr

223 A general mechanism for nectar secretion has been established from genetic studi

224 on have been characterized, the mechanism of nectar secretion has remained unclear.

225 a pepo) to test whether the genetic model of nectar secretion in Arabidopsis is supported at the meta

226 e show that the steps that are important for nectar secretion in Arabidopsis, including nectary starc

227 ight into the biochemistry and metabolism of nectar secretion in flowering plants.

228 eudicots and contributed to the evolution of nectar secretion to reward pollinators.

229 compartments, cells, and organs, notably in nectar secretion, phloem loading for long distance trans

230 ological functions such as pollen nutrition, nectar secretion, seed filling, phloem loading, and path

231 y roles in phloem loading, seed filling, and nectar secretion, whereas the role of archaeal, bacteria

232 that sugars imported from the phloem during nectar secretion, without prior storage as starch, are i

233 ed and determine the role of N metabolism in nectar secretion.

234 is, in phloem loading, pollen nutrition and nectar secretion.

235 that their expression is also essential for nectar secretion.

236 tory roles in nectary starch degradation and nectar secretion.

237 We conclude that the nectar-seeking behavior of P. falciparum-infected An. ga

238 d understanding the neural basis of mosquito nectar-seeking behaviors.

239 Nectar-seeking involves the integration of at least thre

240 it from understanding the molecular basis of nectar-seeking.

241 E)] on anthocyanins and colour in strawberry nectars (SNs), sweetened with sucrose (SNS), maltose syr

242 D. wrightii is the innately preferred nectar source and oviposition host for M. sexta Hence, t

243 The diversity of nectar sources declined from 1978 to 1990 and thereafter

244 unt of nectar per unit area and diversity of nectar sources.

245 Stylet neurons are insensitive to nectar-specific sugars and respond to glucose only in th

246 of homologs from the STYLISH (STY) family in nectar spur development in Aquilegia coerulea.

247 tional assays to identify a gene crucial for nectar spur development, POPOVICH (POP), which encodes a

248 le in the initial evolution of the Aquilegia nectar spur, and examining its potential role in the sub

249 Nectar spurs are a defining feature of the columbine gen

250 In flowering plants, floral nectar spurs are a prime example of a key innovation, wi

251 Diversification analyses revealed that nectar spurs are loosely associated with increased diver

252 Floral nectar spurs are widely considered a key innovation prom

253 vestigated the macroevolutionary dynamics of nectar spurs in the tribe Antirrhineae (Plantaginaceae),

254 The effect of nectar spurs on diversification was tested, with special

255 Nectar spurs played a role in diversification of the Ant

256 one of the traditional plant model taxa have nectar spurs, little is known about the genetic and deve

257 e to date and reconstructed the evolution of nectar spurs.

258 We inferred four independent acquisitions of nectar spurs.

259 udies with specific information on juice and nectar subtypes are warranted to clarify these results.

260 variation in two axes of reward chemistry - nectar sugar and pollen alkaloid content - impacted comp

261 ls of hypoxic metabolites, nectar volume and nectar sugar composition.

262 The positive effect of nectar sugar content and phylogenetic proximity was much

263 more abundant (higher floral unit number and nectar sugar content) and more accessible.

264 We propose that nectarivores use nectar sugar to mitigate the oxidative damage caused by

265 rtant role in the synthesis and secretion of nectar sugar.

266 nded pollen when they offered higher quality nectar, suggesting that attractive nectar can overcome t

267 ants divert substantial resources to produce nectar that attracts pollinators [3], but toxins in this

268 plying that pollinators impose selection for nectar that is pharmacologically active but not repellen

269 hich N and amino acids are present in floral nectar, their presence affects bats' food selection by i

270 pecificity of these peptides to L. scoparium nectar, thus presenting peptide profiling as a viable an

271 ly their colony with a balance of pollen and nectar to sustain optimal colony development.

272 average more than one-third of sugar-related nectar-to-honey conversion takes place directly in the h

273 the major chemical constituents in C. unshiu nectar-to-honey transformation pathway thus providing in

274 of adaptive pleiotropy among floral size and nectar traits.

275 predicts close size matching between floral nectar tube depth and pollinator proboscis length of int

276 When proboscides were longer than nectar tubes, a decreased nectar reward rather than an i

277 When proboscides were shorter than nectar tubes, foraging efficiency rapidly decreased beca

278 ns in the nectar of some plants, even though nectar, unlike leaves, is made to be consumed by pollina

279 rect selection for this pattern of declining nectar volume after correcting for correlations with flo

280 supply affect levels of hypoxic metabolites, nectar volume and nectar sugar composition.

281 Nectar volume and nectary area displayed an evolutionary

282 We tested the evolutionary association of nectar volume and nectary area with pollination syndrome

283 Here, we examined the relative importance of nectar volume and nectary development in defining Penste

284 ward attributes such as sugar concentration, nectar volume and pollen composition as well as non-rewa

285 ciated starch and soluble sugars, as well as nectar volume and sugar under different growth condition

286 Declining nectar volume from lower to upper flowers is a hypothesi

287 ross, we assessed trait correlations between nectar volume, nectary area, and the size of stamens on

288 effect of agricultural practice was found on nectar volume, sugar or caffeine concentrations, or poll

289 relations with flower size, number, and mean nectar volume.

290 is observed in terms of activity levels and nectar vs. pollen collection, however the causes of such

291 physical and bioactive properties of rosehip nectar was investigated.

292 Nectar was sampled for the presence of nectar-inhabiting

293 ysical and eight sensory properties of peach nectar were explored using the best-fit multiple linear

294 fural in apple juice, orange juice and peach nectar were monitored during storage.

295 f during the sale, for solving this problem, nectars were passed 1, 2 and 3 times through 75, 100 and

296 /demand ratio; bats selected for more dilute nectar when competition for food was higher.

297 -methoxybenzoic acid are exclusive to manuka nectar whereas lumichrome is unique to kanuka nectar.

298 d the lepteridine in manuka honey and manuka nectar, which ranged between 5-52mg/kg and 80-205mg/kg,

299 reality many plants provide both pollen and nectar, which vary in composition within and across spec

300 cumulation during secretion, suggesting that nectar(y) amino acids are produced by precursors other t