ライフサイエンスコーパス: female gametophyte

1 iled ovules (because of a moderate defect in female gametophytes).

2 ed defects in splicing than either embryo or female gametophyte.

3 er::GFP fusions and 43 were expressed in the female gametophyte.

4 n specific cells of the Arabidopsis thaliana female gametophyte.

5 expressed strongly in multiple cells of the female gametophyte.

6 d that all three proteins are present in the female gametophyte.

7 luding guidance of pollen tube growth to the female gametophyte.

8 Arabidopsis thaliana genes expressed in the female gametophyte.

9 pressed primarily in the central cell of the female gametophyte.

10 e, indicating that suppression occurs in the female gametophyte.

11 nts, two cells are fertilized in the haploid female gametophyte.

12 ause two cells are fertilized in the haploid female gametophyte.

13 s but generally fail to produce a functional female gametophyte.

14 ve ovules that fail to form integuments or a female gametophyte.

15 n due, in part, to its essential role in the female gametophyte.

16 s involving interaction between the male and female gametophyte.

17 t of contact between the pollen tube and the female gametophyte.

18 present in the absence of heat stress in the female gametophyte.

19 y controlling the development of the haploid female gametophyte.

20 is not redundant with that of LORELEI in the female gametophyte.

21 cated in reception of the pollen tube by the female gametophyte.

22 s underwent abortion due to defect(s) in the female gametophyte.

23 male gametophyte and approximately 9% in the female gametophyte.

24 gion of the cell wall at the entrance to the female gametophyte.

25 transcription factor genes expressed in the female gametophyte.

26 two, integuments that cover the nucellus and female gametophyte.

27 ossible but mostly overcome by pseudogamy of female gametophytes.

28 rasporophytes, but also between the male and female gametophytes.

29 rminant infertile1 (dif1) ovules, which lack female gametophytes.

30 not initiated after fertilization of fem111 female gametophytes.

31 olic translation for development of male and female gametophytes.

32 the production of defective seed from mutant female gametophytes.

33 guided to the normal but not to the abnormal female gametophytes.

34 ining ovules with either sexual or apomictic female gametophytes.

35 ed the pollen tube reception defect in lre-7 female gametophytes.

36 ficant changes in the sizes of both male and female gametophytes.

37 cysteine-rich chemoattractants to target the female gametophyte(1,2).

38 sults indicate that factors derived from the female gametophyte activate a subset of the paternal gen

39 ed gene expressed maternally in cells of the female gametophyte and after fertilization only from mat

40 o the molecular processes functioning in the female gametophyte and can be used as starting points to

41 fore, proper levels of CTF7 are critical for female gametophyte and embryo development but not for th

42 ertain the mechanism by which AtHDA7 affects female gametophyte and embryo development.

43 ), previously demonstrated to be involved in female gametophyte and embryo development.

44 the synergid, egg, and central cells of the female gametophyte and in the zygote and proliferating e

45 aternity is prevalent among sporophytes of a female gametophyte and male genotypes exhibit significan

46 ion is to bear and to nurture the embryo sac/female gametophyte and pollen, in which the egg and sper

47 complex modified the regulatory pathways in female gametophyte and seed development.

48 ationship between pollen tube arrival at the female gametophyte and synergid cell death in Arabidopsi

49 the transmitting tract and stigma, male and female gametophytes and gametes.

50 ressed genes for reduced expression in myb98 female gametophytes and identified 16 such genes.

51 y spruce, including separated samples of the female gametophytes and Zem, and at multiple stages duri

52 ulting in decreased transmission through the female gametophyte, and homozygous embryonic lethality.

53 e root, the development of the gynoecium and female gametophyte, and organogenesis and phyllotaxy in

54 ed alleles exhibited reduced transmission in female gametophytes, and heterozygous genotypes triggere

55 a microscopy-based examination of developing female gametophytes, and mRNA expression data, we sugges

56 The synergid cells within the female gametophyte are essential for reproduction in ang

57 ically, the molecules regulating them in the female gametophyte are largely unknown.

58 agl61 female gametophytes are affected in the central cell spe

59 myb98 female gametophytes are affected in two unique features

60 ther flowering plants, in Trimenia, multiple female gametophytes are initiated at the base (chalazal

61 Importantly, it seems that multiple female gametophytes are occasionally or frequently initi

62 those in floral meristems differentiate into female gametophyte-bearing organs termed carpels.

63 plant reproduction, the central cell of the female gametophyte becomes fertilized to produce the end

64 is critical for pollen tube reception by the female gametophyte before fertilization and the initiati

65 on, the two synergid cells of the angiosperm female gametophyte both undergo programmed cell death (P

66 half the ovules do not contain a functional female gametophyte but all ovules contain genotypically

67 itiates after the pollen tube arrives at the female gametophyte but before pollen tube discharge.

68 revealed that lpat2 caused lethality in the female gametophyte but not the male gametophyte, which h

69 suggest that imprinting is controlled in the female gametophyte by antagonism between the two DNA-mod

70 The pollen tube enters the female gametophyte by growing into the synergid cell tha

71 prevent the approach and penetration of the female gametophyte by late-arriving pollen tubes, thus a

72 ked conditions to prevent the penetration of female gametophytes by multiple pollen tubes in Arabidop

73 nctioning during differentiation of the four female gametophyte cell types.

74 d-seed' plants, or gymnosperms, is a reduced female gametophyte, comprising just seven cells of four

75 4 and RALF19 at the interface of pollen tube-female gametophyte contact, thereby deregulating BUPS-AN

76 The female gametophyte contains two synergid cells that play

77 tations in Arabidopsis to understand how the female gametophyte controls embryo and endosperm develop

78 In flowering plants, the female gametophyte controls pollen tube reception immedi

79 -type plants demonstrated that both male and female gametophytes could transmit the dgat1 plip1 doubl

80 Delta mutants displayed both male and female gametophyte defects.

81 We show that patterning of the Arabidopsis female gametophyte depends on an asymmetric distribution

82 In angiosperms, male and female gametophytes develop within the sporophyte.

83 pendency3 (RPD3) superfamily, is crucial for female gametophyte development and embryogenesis in Arab

84 w of the genes and gene products involved in female gametophyte development and function within a flo

85 ants of Arabidopsis thaliana with defects in female gametophyte development and function.

86 derstand the regulatory networks involved in female gametophyte development and function.

87 bidopsis has uncovered mutations that affect female gametophyte development and function.

88 in the isolation of molecules that regulate female gametophyte development and function.

89 defining the molecules that are required for female gametophyte development and function.

90 ied and develop their unique features during female gametophyte development are not understood.

91 The pattern of female gametophyte development found in Trimenia is rare

92 formation on genes that are expressed during female gametophyte development in angiosperms, and it is

93 To identify genes related to female gametophyte development in apomictic ovaries of b

94 both of these genes are expressed throughout female gametophyte development in apomictic ovaries.

95 important and previously unsuspected role in female gametophyte development in Arabidopsis.

96 We analyzed female gametophyte development in these four mutants as

97 gg cell and the central cell and once during female gametophyte development when the two polar nuclei

98 tein that performs functions during male and female gametophyte development, and during early embryog

99 ull GEX1 allele, had defects during male and female gametophyte development, and during early embryog

100 a mays) restricts the proliferative phase of female gametophyte development.

101 fic features within the synergid cell during female gametophyte development.

102 preferentially or specifically expressed in female gametophyte development.

103 sterile because of failure of both male and female gametophyte development.

104 lays a critical role in regulating ovule and female gametophyte development.

105 ell as during the final mitotic divisions of female gametophyte development.

106 gene is therefore also important for normal female gametophyte development.

107 male meiosis, at pollen mitosis I and during female gametophyte development.

108 tants is beginning to reveal features of the female gametophyte developmental program.

109 Although most lre-5 female gametophytes do not allow pollen tube reception,

110 y and transiently expressed in both male and female gametophytes during fertilization and that AMC fu

111 ale gametophytes that deliver sperm cells to female gametophytes during sexual reproduction of higher

112 rom Trimenia, we posit that prefertilization female gametophyte (egg) competition within individual o

113 baileyales, we found a remarkable pattern of female gametophyte (egg-producing structure) development

114 The female gametophyte (embryo sac or megagametophyte) plays

115 ating in precise pollen tube guidance to the female gametophyte (embryo sac) and its rupture to relea

116 Female gametophytes (embryo sacs) in higher plants are e

117 ously been reported that FERONIA generates a female gametophyte environment that is required for sper

118 pported the model that a passage through the female gametophyte establishes monoalleleic expression o

119 Here we report that the female gametophyte-expressed glycosylphosphatidylinosito

120 FERONIA (FER) receptor kinase mutants, whose female gametophytes fail to induce pollen tube rupture,

121 rovides nutrition for the development of the female gametophyte (FG) and young embryo.

122 wn about the molecular processes that govern female gametophyte (FG) development and function, and fe

123 During female gametophyte (FG) development, a single archespori

124 [5] carries two nonmotile sperm cells to the female gametophyte (FG) or embryo sac [6] during a long

125 asks, many of which become integrated by the female gametophyte (FG).

126 rse environments, the number of fertilizable female gametophytes (FGs) in plants is reduced, leading

127 ified chromatographically from late-stage LP female gametophytes (FGs), and then characterized struct

128 ires successful sperm cell delivery into the female gametophyte followed by migration, recognition an

129 journey in the pistil to deliver them to the female gametophyte for fertilization.

130 m are transported inside pollen tubes to the female gametophyte for fertilization.

131 Diplospory (unreduced female gametophyte formation) and autonomous development

132 aracterize the tetrasporophytes and male and female gametophytes from Chondrus individuals isolated f

133 still in their infancy, mutations affecting female gametophyte function and specific steps of megaga

134 ffecting every step of megagametogenesis and female gametophyte function are in progress; the charact

135 iating and controlling megagametogenesis and female gametophyte function have not been identified.

136 Other mutations that affect female gametophyte function have uncovered regulatory ge

137 fy mutations affecting megagametogenesis and female gametophyte function.

138 cal for GPI anchor addition also rescued lre female gametophyte function.

139 of the datasets, 225 genes are identified as female gametophyte genes, likely a lower limit as string

140 Female gametophytes grow from their tips and compete ove

141 To reach the female gametophyte, growing pollen tubes must penetrate

142 tion and post-fertilization functions of the female gametophyte have been identified and, recently, t

143 ig1 mutant female gametophytes have a prolonged phase of free nucle

144 es may occur among multiple sporophytes of a female gametophyte; however, its occurrence and extent i

145 sis and megagametogenesis are normal and the female gametophyte identity is correctly established.

146 Although the critical role of the female gametophyte in pollen tube reception has been dem

147 rrest of the central cell in the Arabidopsis female gametophyte in the unfertilized ovule, leading to

148 The female gametophyte induces rupture of the penetrating po

149 nsport their immotile sperm to fertilize the female gametophytes inside ovules.

150 upture at the spatially confined pollen tube-female gametophyte interface.

151 In Arabidopsis thaliana, the female gametophyte is a highly polarized structure consi

152 The female gametophyte is an absolutely essential structure

153 The angiosperm female gametophyte is critical to the reproductive proce

154 r, the life span of the ovule containing the female gametophyte is decisive for fertilization and the

155 At maturity, the female gametophyte is four-celled, four-nucleate and wil

156 ntegration for sperm cell release inside the female gametophyte is puzzling.

157 In angiosperms, pollen tube reception by the female gametophyte is required for sperm release and dou

158 These results strongly suggest that the female gametophyte is responsible for pollen tube guidan

159 tales), a maternally derived haploid tissue (female gametophyte) is responsible for the acquisition o

160 uctive unit of flowering plants, the haploid female gametophyte, is highly reduced relative to other

161 , and plants that overexpress CTF7 exhibited female gametophyte lethality.

162 In addition, the female gametophyte mediates a host of reproductive proce

163 We identified a female gametophyte mutant in Arabidopsis thaliana, fem11

164 we describe the characterization of a novel female gametophyte mutant, eostre, which affects establi

165 We have identified nine female gametophyte mutants in Arabidopsis (Arabidopsis t

166 tic life cycle, alternating between male and female gametophytes (n) and tetrasporophytes (2n).

167 ter layer of the outer integument and in the female gametophyte of mature ovules.

168 Minor defects were observed in female gametophytes of ctf7(+/-) plants, and plants that

169 Double-mutant female gametophytes of xpo1a-3/+; xpo1b-1/xpo1b-1 plants

170 Double-mutant female gametophytes of xpo1a-3/xpo1a-3; xpo1b-1/+ plants

171 ment the pollen tube reception defect in lre female gametophytes, only if they expressed FERONIA.

172 rt on a novel type of embryo sac (angiosperm female gametophyte or haploid egg-producing structure) i

173 signaling cells within an ovule: the haploid female gametophyte or the diploid sporophytic cells.

174 le, suggesting that genes expressed from the female gametophyte or the maternal genome play a major r

175 The synergid cells of the female gametophyte play a role in many steps of the angi

176 The central cell of the female gametophyte plays a role in pollen tube guidance

177 In addition, the female gametophyte plays a role in pollen tube guidance,

178 Furthermore, female gametophytes preferentially supported sporophytes

179 s at the synergid cell membrane by which the female gametophyte recognizes the arrival of a compatibl

180 only when an amc pollen tube reaches an amc female gametophyte, resulting in pollen-tube overgrowth

181 cells, and mutations in this gene affect the female gametophyte specifically.

182 in the endosperm and in developing male and female gametophytes, suggesting a role for AGL18 that is

183 nterestingly, vcl1 affected the fertility of female gametophytes that undergo similarly complex vacuo

184 he egg develops within a haploid embryo sac (female gametophyte) that is encased within the pistil.

185 two male gametes and their transport to the female gametophyte, the embryo sac, where double fertili

186 Upon arrival at the female gametophyte, the pollen tube stops growing and re

187 allele expression in the central cell of the female gametophyte, the progenitor of the endosperm.

188 pressed primarily in the central cell of the female gametophyte, the progenitor of the endosperm.

189 In fem111 female gametophytes, the central cell's nucleolus and va

190 lycomb-group (PcG) proteins functions in the female gametophyte to control the initiation of seed dev

191 llen tube, which delivers sperm cells to the female gametophyte to effect double fertilization.

192 active oxygen species at the entrance to the female gametophyte to induce pollen tube rupture and spe

193 by the LPAT2 promoter could rescue the lpat2 female gametophytes to allow fertilization to occur but

194 angiosperms, and it is not known whether the female gametophyte transcriptome contains a major set of

195 ial for embryo development and important for female gametophyte transmission.

196 The angiosperm female gametophyte typically consists of one egg cell, t

197 on, one of the two synergid cells within the female gametophyte undergoes cell death prior to fertili

198 tTIP49a is essential for both sporophyte and female gametophyte viability.

199 of the double-mutant combination through the female gametophyte was normal.

200 tant apyrase on the transmission through the female gametophyte was only marginal, and embryo develop

201 In both cases the development of female gametophytes was impaired.

202 ssecting the gene regulatory networks of the female gametophyte, we have identified a large collectio

203 d genome editing in the Arabidopsis thaliana female gametophyte, we reduced 45S rDNA copy number (CN)

204 Approximately 50% of the female gametophytes were arrested in early development,

205 c crossing, we showed that both the male and female gametophytes were defective in the mutant.

206 r the production of hydroxyl radicals in the female gametophyte, which causes pollen tube rupture and

207 showed higher levels of thermotolerance than female gametophytes, which could be explained by differe

208 mutants, pollen tube reception fails in most female gametophytes, which thus remain unfertilized.

209 the fem1 and fem2 mutations affect only the female gametophyte, while the fem3 and fem4 mutations af

210 Here, the successful female gametophyte will mate with a pollen tube to produ

211 Further investigation of the female gametophyte will require complementary approaches

212 In the absence of fertilization, a female gametophyte with a loss-of-function fie or mea al

213 l role in plant reproduction, generating the female gametophyte within sporophytic integuments.