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

3 n specific cells of the Arabidopsis thaliana female gametophyte.

4 expressed strongly in multiple cells of the female gametophyte.

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

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

7 Arabidopsis thaliana genes expressed in the female gametophyte.

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

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

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

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

12 nts, 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 present in the absence of heat stress in the female gametophyte.

16 y controlling the development of the haploid female gametophyte.

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

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

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

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

21 transcription factor genes expressed in the female gametophyte.

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

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

24 s involving interaction between the male and female gametophyte.

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

26 not initiated after fertilization of fem111 female gametophytes.

27 olic translation for development of male and female gametophytes.

28 the production of defective seed from mutant female gametophytes.

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

30 ining ovules with either sexual or apomictic female gametophytes.

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

51 agl61 female gametophytes are affected in the central cell spe

52 myb98 female gametophytes are affected in two unique features

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

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

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

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

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

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

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

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

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

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

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

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

65 4 and RALF19 at the interface of pollen tube-female gametophyte contact, thereby deregulating BUPS-AN

66 The female gametophyte contains two synergid cells that play

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

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

69 Delta mutants displayed both male and female gametophyte defects.

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

85 We analyzed female gametophyte development in these four mutants as

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

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

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

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

90 preferentially or specifically expressed in female gametophyte development.

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

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

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

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

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

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

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

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

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

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

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

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

103 The female gametophyte (embryo sac or megagametophyte) plays

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

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

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

107 Here we report that the female gametophyte-expressed glycosylphosphatidylinosito

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

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

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

111 [5] carries two nonmotile sperm cells to the female gametophyte (FG) or embryo sac [6] during a long

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

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

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

115 Diplospory (unreduced female gametophyte formation) and autonomous development

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

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

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

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

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

121 fy mutations affecting megagametogenesis and female gametophyte function.

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

123 Female gametophytes grow from their tips and compete ove

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

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

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

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

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

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

130 The female gametophyte induces rupture of the penetrating po

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

132 The female gametophyte is an absolutely essential structure

133 The angiosperm female gametophyte is critical to the reproductive proce

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

155 Furthermore, female gametophytes preferentially supported sporophytes

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

184 Further investigation of the female gametophyte will require complementary approaches

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

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