ライフサイエンスコーパス: eggshell

1 oogenesis (two respiratory appendages on the eggshell).

2 eralized matrixes of bone, dentin, and avian eggshell).

3 ith respect to the intrinsic polarity of the eggshell.

4 is required for functional properties of the eggshell.

5 d the subsequent formation of an impermeable eggshell.

6 verlying specific structural features of the eggshell.

7 s, which encode structural components of the eggshell.

8 of the dorsal respiratory appendages of the eggshell.

9 rning determinant that is a component of the eggshell.

10 elline membrane (VM), the inner layer of the eggshell.

11 extracellular space between the egg and the eggshell.

12 a gap between these ingressing cells and the eggshell.

13 e for synthesis and/or in the degradation of eggshell.

14 derivatives in the assembling and completed eggshell.

15 rane and the vitelline membrane layer of the eggshell.

16 cells that will create the operculum of the eggshell.

17 gene result in partial ventralization of the eggshell.

18 l-ventral polarity of the embryo but not the eggshell.

19 the stage 8 oocyte and ventralization of the eggshell.

20 al appendages in the correct position on the eggshell.

21 enance of the impermeable lipid layer of the eggshell.

22 gshell proteins in the assembling and mature eggshell.

23 leased through ultramicroscopic pores in the eggshell.

24 cient to generate a DR-like structure on its eggshell.

25 ling the patterning and morphogenesis of the eggshell.

26 mbryonic membrane and the inner layer of the eggshell.

27 of the inner vitelline membrane layer of the eggshell.

28 nian fluid constrained within an ellipsoidal eggshell.

29 endages (DAs) of the Drosophila melanogaster eggshell.

30 space between the embryonic membrane and the eggshell.

31 tterns the operculum structure of the mature eggshell.

32 species, and is absent from D. melanogaster eggshells.

33 ow cavities of birds as a calcium source for eggshelling.

34 onsible for the patterning of the Drosophila eggshell, a complex structure derived from a layer of fo

35 ble to separate the plasma membrane from the eggshell, a defect analogous to that of incomplete vulva

36 a embryo, is stably anchored in the fruitfly eggshell; an as yet unidentified factor is required for

37 le L-selectin traverses through pores in the eggshell and binds to target ligands on the surface memb

38 n the filarial nematode Onchocerca volvulus, eggshell and cuticle, suggests that some of the Ce-CPL-1

39 Accordingly, thin eggshell and DA phenotypes were identified for the calci

40 ing a novel probe, we detected chitin in the eggshell and discovered elaborate chitin localization pa

41 The eggshell and egg-laying defects of cuff mutants are supp

42 uding variable dorsal-ventral defects in the eggshell and embryo, anterior-posterior defects in the f

43 , establishing the dorsoventral asymmetry of eggshell and embryo.

44 maternal fet activity produces a dorsalized eggshell and embryo.

45 Mutations in rhi disrupt eggshell and embryonic patterning and arrest nurse cell

46 alysis identified 99 chorion proteins in the eggshell and micropyle localization of 1 early and 6 Hc

47 epithelia, serosa and amnion, line the inner eggshell and the ventral germband, respectively.

48 occurred consistently in the absence of the eggshell and the vitelline envelope.

49 a former breeding colony and include intact eggshells and bones of embryos, juveniles, and adults of

50 non-avian saurischians that have associated eggshells and embryos are represented only by the saurop

51 It represents the first associated eggshells and embryos of megalosauroids, thus filling an

52 ulted in embryos that lacked chitin in their eggshells and failed to divide.

53 for twin peaks produce small eggs with thin eggshells and short dorsal respiratory appendages.

54 the major protein components of the chorion (eggshell) and are arranged in two clusters in the genome

55 and nitrogen (delta15N) in blood, feathers, eggshell, and bone have been used in seabird studies sin

56 usions, unstable cell divisions, a defective eggshell, and deposition of extracellular material.

57 caris suum, occurs inside a highly resistant eggshell, and the developing larva is bathed in perivite

58 s the same age as those with burnt Genyornis eggshell, and then continually to modern time.

59 s temporally correlated with the loss of the eggshell, and we used immunohistochemistry to report tha

60 duction in progeny, morphologically aberrant eggshells, and disintegrating egg chambers, indicating d

61 s by 4-5 fold, resulting in thin and fragile eggshells, and female sterility.

62 logical polymer, which can be extracted from eggshells, and has been used for adsorption of dyes or h

63 ophila melanogaster, each of the two tubular eggshell appendages is derived from a primordium compris

64 The roof of dorsal eggshell appendages is formed by the follicle cells that

65 ial for the formation of the two respiratory eggshell appendages, is established by a single gradient

66 that form the upper part of the respiratory eggshell appendages.

67 prefigures the formation of two respiratory eggshell appendages.

68 tivity of the late enhancer and induction of eggshell appendages.

69 that prefigures the formation of respiratory eggshell appendages.

70 Drosophila egg gives rise to the respiratory eggshell appendages.

71 ce of C22, one or more key components of the eggshell are inappropriately processed, leading to perme

72 While abundant structural components of the eggshell are known and are being characterized, less is

73 ty, gross morphological abnormalities in the eggshell are observed only in the absence of fc177.

74 essential features of the silkmoth chorion (eggshell) are still not fully understood.

75 -1 is also present near the periphery of the eggshell as well as in the cuticle of larval stages sugg

76 trol the availability of molecules active in eggshell assembly and by extension perhaps other follicl

77 These findings delineate the hierarchy of eggshell assembly and define key molecular mechanisms at

78 Proper eggshell assembly requires wild-type dec-1 gene function

79 The dec-1 gene, which is required for proper eggshell assembly, produces three proproteins that are c

80 roproteins required for female fertility and eggshell assembly.

81 a framework for future molecular studies of eggshell assembly.

82 ts that are likely to play critical roles in eggshell assembly.

83 ves suggest that they play distinct roles in eggshell assembly.

84 hat each derivative plays a distinct role in eggshell assembly.

85 rizing intermolecular disulfide bonds during eggshell assembly.

86 to the embryo, becomes incorporated into the eggshell at a position corresponding to the location of

87 fferent requirement in the patterning of the eggshell axis than in the patterning of the embryonic ax

88 Podocarpus bark, worked suid tusks, ostrich eggshell beads, bone arrowheads, engraved bones, bored s

89 ments include marine shell beads and ostrich eggshell beads, directly dated to approximately 42,000 B

90 the Nudel protease might be involved in both eggshell biogenesis and embryonic patterning.

91 t the Nudel protease has an integral role in eggshell biogenesis.

92 varian follicle cells is essential for rapid eggshell biosynthesis.

93 11, 2.8%; 95% CI: 1.4%, 5.0%), nodules with eggshell calcifications (n = 9, 2.3%; 95% CI: 1.1%, 4.3%

94 ere we show that clumped isotope analysis of eggshells can be used to determine body temperatures of

95 These results showed that eggshell chitin provides both mechanical support and che

96 on developmental amplification of Drosophila eggshell (chorion) genes [1].

97 NA replication that control amplification of eggshell (chorion) genes during Drosophila oogenesis.

98 Drosophila amplifies eggshell (chorion) genes in the follicle cells of the ov

99 at origins that control amplification of the eggshell (chorion) protein genes.

100 l coloration (SSEC) hypothesis proposed that eggshell color is a sexually selected signal through whi

101 Recently, the sexually selected eggshell coloration (SSEC) hypothesis proposed that eggs

102 The Drosophila eggshell consists of three major proteinaceous layers: t

103 the oocyte proximal layer of the Drosophila eggshell, contains four major proteins (VMPs) that posse

104 otor circuit, we found that reversals in the eggshell correlated with calcium transients in AVA inter

105 ell preserved remains of bone, feathers, and eggshell dating from hundreds to thousands of years B.P.

106 had no significant effect upon the lambdatop eggshell defect whereas smt3 and dock alleles significan

107 auses cytokinesis failure that is not due to eggshell defects or chromosome nondisjunction.

108 es are viable and exhibit a range of eye and eggshell defects.

109 ominant effect, resulting in infertility and eggshell defects.

110 CHS-1 is required for eggshell deposition, whereas MBK-2 is required for the d

111 e block to polyspermy, F-actin dynamics, and eggshell deposition.

112 equired in ovarian follicle cells for normal eggshell development.

113 al granule trafficking was disrupted and the eggshell did not form properly.

114 pendages, or respiratory filaments, of these eggshells display a remarkable interspecies variation in

115 Drosophila eggshells display remarkable morphological diversity amo

116 ermline-to-soma signal, morphogenesis of the eggshell dorsal appendages.

117 mbryos fail to complete meiosis, form a weak eggshell, fail to orient properly the first mitotic spin

118 sits from >100 ka to present; burnt Dromaius eggshell first appear in deposits the same age as those

119 as heated at 97 degrees C in the presence of eggshell for 60 min.

120 teins synthesized during the early stages of eggshell formation (stages 8-10), were distributed withi

121 l oxidase enzyme activities are critical for eggshell formation and production.

122 linked complexes during the early stages of eggshell formation that included other VMPs, namely sV17

123 y phenotype, thought to result from abnormal eggshell formation.

124 In Drosophila the multilayered eggshell forms during late oogenesis between the oocyte

125 and chemical characterization results of the eggshell fragments indicate very mild diagenesis.

126 ere we show that diagnostic burn patterns on eggshell fragments of the megafaunal bird Genyornis newt

127 lta13C and delta15N values of Adelie penguin eggshell from abandoned colonies located in three major

128 pes in fossil emu (Dromaius novaehollandiae) eggshell from Lake Eyre, South Australia, demonstrate th

129 More than 700 dates onGenyornis eggshells from three different climate regions document

130 umen-like structure along the dorsal side of eggshells, from numerous Drosophila species.

131 During Drosophila oogenesis the chorion (eggshell) gene loci are amplified approximately 80-fold

132 In insects, eggshell hardening involves cross-linking of chorion pro

133 ityrosine-mediated protein cross-linking and eggshell hardening.

134 ails in spherical par-3 embryos in which the eggshell has been removed, but rotation occurs normally

135 In this paper, food waste, namely eggshell (hydroxyapatite) utilization, was used to remov

136 Australia, were created by humans discarding eggshell in and around transient fires, presumably made

137 protein sequence in ostrich (Struthionidae) eggshell, including from the palaeontological sites of L

138 elium also determines the final shape of the eggshell, including the dorsal respiratory appendages, w

139 an epithelium of follicle cells creates the eggshells, including the paired tubular dorsal appendage

140 ss spectrometry radiocarbon dates on ostrich eggshells indicates an age range of 23,576-22,887 y B.P.

141 llow family members previously implicated in eggshell integrity, a heme peroxidase, and a small-molec

142 The compound, named C22, primarily impairs eggshell integrity, leading to osmotic sensitivity and e

143 ction, because mutations in yellow-g disrupt eggshell integrity.

144 The Drosophila eggshell is a highly specialized extracellular matrix th

145 The Drosophila eggshell is an elaborate structure that is derived from

146 ed dispersal of F-actin is altered, a chitin eggshell is not formed, and no polar bodies are produced

147 Interactions between the eggshell layers were suggested by ultrastructural analys

148 e of the structural units which comprise the eggshell layers, there is little knowledge of how indivi

149 tic tributaries), as well as formation of an eggshell-like inner membrane shielding the aortic intima

150 spectrometry-based analyses of fractionated eggshell matrices to validate six previously predicted e

151 The eggshell membrane (ESM) is a naturally occurring biologi

152 iables on pepsin-soluble collagen (PSC) from eggshell membrane.

153 Carbonized sucrose-coated eggshell membranes (CSEMs) consisting of natural micropo

154 oocyte meiosis, formation of an impermeable eggshell, migration of the oocyte pronucleus, and the se

155 een the patterning of the follicle cells and eggshell morphogenesis.

156 are required for female fertility and proper eggshell morphogenesis.

157 that perturbations in WIT led to changes in eggshell morphologies in domains that are patterned by B

158 this can be used to account for more complex eggshell morphologies observed in related fly species.

159 , to interpret the phenotypic transitions in eggshell morphology and to predict the effects of new ge

160 For one phenotype (eggshell morphology), we observed redundant regulation,

161 This new fossil provides insight into the eggshell morphology, early growth and nesting environmen

162 nt to restore female fertility and wild-type eggshell morphology.

163 pod osteology with a specific and unique new eggshell morphology.

164 d-expressing cells and in this way influence eggshell morphology.

165 arated in time and have different effects on eggshell morphology.

166 umpty dumpty (hd), corresponding to the thin-eggshell mutant fs(3)272-9 [3].

167 Unlike other thin eggshell mutants, mus308 displays normal origin firing b

168 Dromaius (emu) eggshell occur frequently in deposits from >100 ka to pr

169 rphogenesis of the respiratory appendages on eggshells of Drosophila species provides a powerful expe

170 The eggshells of drosophilid species provide a powerful mode

171 hese latter embryos failed to produce normal eggshells or establish normal asymmetries prior to the f

172 f cis-regulatory regions of genes within the eggshell patterning network enables mechanistic analysis

173 Studies of the Drosophila eggshell patterning provide unique insights into the mul

174 mechanisms underlying the diversification of eggshell patterning, we analyzed BMP signaling in the FC

175 contrast to the previously proposed model of eggshell patterning, we show that the two-domain pattern

176 -like molecule Gurken, which controls normal eggshell patterning.

177 activation, which acts as a key receptor in eggshell patterning.

178 into a mechanism underlying the evolution of eggshell patterning.

179 change their provisioning behavior based on eggshell patterns they observe at the nest.

180 blishment, meiosis, and the integrity of the eggshell permeability barrier.

181 nant modifiers of the bullwinkle mooseantler eggshell phenotype and identified shark, which encodes a

182 itive 308 (mus308), exhibits a sporadic thin eggshell phenotype and reduced chorion gene expression.

183 A in spnB ovaries suppresses the ventralized eggshell phenotype by restoring Grk expression.

184 We used this easy-to-score eggshell phenotype in a germ-line mosaic screen in Droso

185 replication genes result in a distinct thin-eggshell phenotype owing to reduced amplification [2].

186 required for amplification results in a thin eggshell phenotype, allowing a genetic dissection of ori

187 ome for those that could enhance a weak Ras1 eggshell phenotype.

188 and mutant backgrounds exhibiting a range of eggshell phenotypes.

189 p14, an eggshell precursor gene expressed only in sexually matur

190 ate microspheres containing a nonimmunogenic eggshell precursor protein of the parasite Fasciola hepa

191 d with most enzyme activity localized to the eggshell-producing cells contained within the vitellaria

192 chorion genes, which facilitate secretion of eggshell proteins [5].

193 proteins, most larger in mass than the major eggshell proteins and often showing preferential express

194 atrices to validate six previously predicted eggshell proteins and to identify eleven novel component

195 to follow the distribution of four different eggshell proteins in the assembling and mature eggshell.

196 ng two clusters of chorion genes that encode eggshell proteins.

197 regions, two of which contain genes encoding eggshell proteins.

198 tly smaller by 48 h postinjection and lacked eggshell proteins.

199 e demand for the rapid synthesis of chorion (eggshell) proteins, Drosophila ovarian follicle cells am

200 The Drosophila eggshell provides an in vivo model system for extracellu

201 After eggshell removal by enzymatic digestion, embryo cells ar

202 lial tubes whose lumens act as molds for the eggshell respiratory filaments, or dorsal appendages (DA

203 Mutant embryos are hyperactive within the eggshell, resulting in a high proportion reversed within

204 n-1 and -2, the dominant proteins within the eggshell, reveal that distinct domains bind to the miner

205 s, such as the appearance of the respiratory eggshell ridges, are caused by changes in the spatial di

206 rval eclosion and water uptake necessary for eggshell rupture and hatching.

207 nd also that the confinement provided by the eggshell significantly affects the internal dynamics of

208 , egg quality parameters improved, including eggshell strength, eggshell thickness, albumen height an

209 I) by biosorption on egg traits (egg weight, eggshell strength, eggshell thickness, yolk colour, albu

210 erior columnar FC that produce the main body eggshell structure.

211 The synthesis of dorsal eggshell structures in Drosophila melanogaster requires

212 Tubulogenesis of the Drosophila dorsal eggshell structures provides an excellent system for stu

213 ant eggs contain defects in several anterior eggshell structures that are produced by specific subset

214 mold for synthesizing the dorsal appendages--eggshell structures that facilitate respiration in the d

215 t construct epithelial tubes for specialized eggshell structures, has provided a tractable system to

216 uired for the formation of three-dimensional eggshell structures.

217 the follicle cells that give rise to dorsal eggshell structures.

218 ocus lay eggs with reduced or missing dorsal eggshell structures.

219 gene, is required for patterning of anterior eggshell structures.

220 80 clutches and their large eggs with thick eggshells substantiate that the Sanagasta sauropods were

221 of the morphological diversity of Drosophila eggshells, such as the prominent differences in the numb

222 I proteins are localized to the sperm and to eggshells surrounding the developing embryos.

223 ced by mutations in other loci that regulate eggshell synthesis suggest that the chorion production a

224 mber increases at several loci important for eggshell synthesis.

225 llicle cells of the ovary to allow for rapid eggshell synthesis.

226 rately fertile, laying eggs with ventralized eggshells that can hatch normal larvae.

227 ing in a high proportion reversed within the eggshell (the "retroactive" phenotype), and all show poo

228 The innermost layer of the Drosophila eggshell, the vitelline membrane, provides structural su

229 ls specifies two cell fates that pattern the eggshell: the anterior centripetal FC that produce the o

230 er treating hens with melatonin would affect eggshell thickness and improve skeletal performance, the

231 eters improved, including eggshell strength, eggshell thickness, albumen height and yolk colour.

232 n egg traits (egg weight, eggshell strength, eggshell thickness, yolk colour, albumen height) and per

233 ionship between SigmaPBDE concentrations and eggshell thickness.

234 stal condors have DDE levels associated with eggshell thinning in other avian species.

235 Pipe modifies components of the developing eggshell to produce a ventral cue embedded in the vitell

236 Maximum adsorption capacity of eggshell was achieved as 923mgg(-1) for Pb(II).

237 py, we found that the Caenorhabditis elegans eggshell was composed of an outer vitelline layer, a mid

238 this process plays an essential role during eggshell waterproofing.

239 space between the embryonic membrane and the eggshell, which generate the ligand for the Toll recepto

240 The Drosophila eggshell, which has a pair of chorionic appendages (dors

241 In nematodes, this coat is the eggshell, which provides mechanical rigidity, prevents p

242 rvae swing their heads, scraping through the eggshell with their mouth hooks.

243 In contrast, oviraptorid eggshells yield temperatures lower than most modern endo

244 Late Cretaceous titanosaurid eggshells yield temperatures similar to large modern end