ライフサイエンスコーパス: bundle sheath

1 verse direction (i.e., from the mesophyll to bundle sheath).

2 rol of radial water movement across the vein bundle sheath.

3 (4) leaves to activate photosynthesis in the bundle sheath.

4 cient to pattern gene expression to the rice bundle sheath.

5 mesophyll compared with both guard cells and bundle sheath.

6 rily conserved gene regulatory system in the bundle sheath.

7 , and may also be present in the surrounding bundle sheaths.

8 How the bundle sheath acquires this alternate identity that allo

9 ay a role in the differential development of bundle sheath and mesophyll cell chloroplasts, a screen

10 Adjacent bundle sheath and mesophyll cells cooperate for carbon f

11 ultrastructure, the metabolic cooperation of bundle sheath and mesophyll cells for C4 photosynthesis

12 l chloroplast development occurs between the bundle sheath and mesophyll cells in the Arabidopsis lea

13 rbon-concentrating mechanism divided between bundle sheath and mesophyll cells increases photosynthet

14 ase (GR; EC 1.6.4.2) activity was assayed in bundle sheath and mesophyll cells of maize (Zea mays L.

15 To better understand the veins, bundle sheath and mesophyll cells of rice, we used laser

16 along the developmental gradient and between bundle sheath and mesophyll cells, respectively.

17 otein was localized to chloroplasts, in both bundle sheath and mesophyll cells.

18 covered by plasmodesmata pit fields for both bundle sheath and mesophyll cells.

19 ion by modeling the interactions between the bundle sheath and mesophyll cells.

20 a misbalance in nitrogen metabolism between bundle sheath and mesophyll cells.

21 moter-driven RBCS gene was expressed in both bundle sheath and mesophyll cells.

22 a leaf developmental gradient and in mature bundle sheath and mesophyll cells.

23 with cell-specific rbcL mRNA accumulation in bundle sheath and mesophyll chloroplasts.

24 or water leaving the minor veins through the bundle sheath and out of the leaf resulted in the pathwa

25 in, VSPalpha, accumulated in the vacuoles of bundle sheath and paraveinal mesophyll cells, while VLXA

26 he de novo cell division of highly developed bundle sheath and subsequent cell enlargement.

27 e proximal promoter (P(R7)) is active in the bundle sheath and vasculature, the distal promoter (P(R2

28 ed that SVL was localized to the vacuoles of bundle-sheath and paraveinal mesophyll cells.

29 ing predominantly cyclic electron transport (bundle sheath) and linear electron transport (mesophyll)

30 cell types, including epidermal, mesophyll, bundle sheath, and vascular parenchyma cells.

31 e MS cell walls adjoining the parenchymatous bundle sheath; and the proportion of leaf GLDP invested

32 Chloroplasts in differentiated bundle sheath (BS) and mesophyll (M) cells of maize (Zea

33 Zea mays) leaves differentiate into specific bundle sheath (BS) and mesophyll (M) types to accommodat

34 ly requires two specialized leaf cell types, bundle sheath (bs) and mesophyll (mp), which provide the

35 ays) C(4) differentiation, mesophyll (M) and bundle sheath (BS) cells accumulate distinct sets of pho

36 which the vein is surrounded by one layer of bundle sheath (BS) cells and one layer of mesophyll (M)

37 Bundle sheath (BS) cells form a single cell layer surrou

38 Compared with less-related C3 species, bundle sheath (BS) cells of F. pringlei and F. robusta h

39 ntrating mechanism between mesophyll (M) and bundle sheath (BS) cells of leaves.

40 ifferentiation between the mesophyll (M) and bundle sheath (BS) cells of maize (Zea mays), we isolate

41 e hypothesized that the AQPs of the vascular bundle sheath (BS) cells regulate K(leaf).

42 G molecular species, among mesophyll (M) and bundle sheath (BS) cells, are compared across the leaf d

43 pically coordinated across mesophyll (M) and bundle sheath (BS) cells, respectively.

44 tion mechanism from mesophyll (M) cells into bundle sheath (BS) cells.

45 es and become restricted to mesophyll (M) or bundle sheath (BS) cells.

46 rtant for release of CO(2) around RuBisCO in bundle sheath (BS) cells.

47 bulose 1,5-bisphosphate carboxylation inside bundle sheath (BS) chloroplasts (r(bs)) within intact pl

48 (4) plants form more PD at the mesophyll (M)-bundle sheath (BS) interface in their leaves than their

49 , due to effects on hydraulic pathlength and bundle sheath (BS) surface area; (2) palisade mesophyll

50 ly increases when the proportion of vascular bundle sheath (BS) tissue is higher than 15%, which resu

51 he maize tangled1 (tan1) mutant, clusters of bundle sheath (BS)-like cells extend several cells dista

52 cells and subsequent decarboxylation in the bundle sheath (BS).

53 of photosynthesis into the mesophyll (M) and bundle sheath (BS).

54 arly described, this is not the case for the bundle sheath (BS).

55 a mays) has two CO2 delivery pathways to the bundle sheath (BS; via malate or aspartate), and rates o

56 In maize (Zea mays), Rubisco accumulates in bundle sheath but not mesophyll chloroplasts, but the me

57 etic activation of a compartment such as the bundle sheath, but gene regulatory networks controlling

58 n the chloroplasts of mesophyll (C3 plants), bundle-sheath (C4 plants), and guard cells.

59 g photorespiration enabled estimation of the bundle sheath cell CO2 concentration (Cb) using a simple

60 We propose that bundle sheath cell fate can be conferred on some derivat

61 In leaf tissues, mesophyll and bundle sheath cell fate is determined, and the proplasti

62 We conclude that in bundle sheath cell mitochondria of C4 species, the funct

63 c expression of Rubisco small subunit genes (bundle sheath cell specific) and the genes that encode p

64 -50% of mesophyll cell volume, and 60-70% of bundle sheath cell volume.

65 ed a 2-fold decrease in the thickness of the bundle sheath cell walls in plants grown at elevated rel

66 tly CO2-limited photosynthesis in the mutant bundle sheath cell.

67 hetic cells in leaves of the C4 plant maize: bundle sheath cells (BSC) and adjacent mesophyll cells (

68 highly specialized mesophyll cells (MCs) and bundle sheath cells (BSCs) at the tip.

69 to the vacuoles of paraveinal mesophyll and bundle sheath cells (where VSPs are found) strongly sugg

70 is partitioned such that leaf mesophyll and bundle sheath cells accumulate different components of t

71 The underlying bundle sheath cells always contain normal chloroplasts,

72 Most C(4) plants possess large bundle sheath cells and high vein density, which should

73 re required for differentiation of cotyledon bundle sheath cells and mesophyll cells and for cell-typ

74 cells, while SCR mRNA was detected mainly in bundle sheath cells and PHOT-1 was found predominantly i

75 The SCR expression pattern in leaf bundle sheath cells and root quiescent center cells led

76 ies revealed that this promoter is active in bundle sheath cells and the vasculature of transgenic Fl

77 The amyloplast-containing bundle sheath cells are the sites of gravity perception,

78 f OsHAP3H increased chloroplast occupancy in bundle sheath cells by 50%.

79 nstead of mesophyll cells; and supernumerary bundle sheath cells develop.

80 Parenchyma cells and isolated bundle sheath cells did not show any gravity-induced pH(

81 ling chloroplast biogenesis in mesophyll and bundle sheath cells differs between species.

82 Notably, bundle sheath cells do not make a significant contributi

83 tricted to developing leaf veins, to include bundle sheath cells encircling the vein.

84 es in light perception between mesophyll and bundle sheath cells facilitate differential regulation a

85 Bundle sheath cells form a sheath around the entire vasc

86 The single-nucleus data revealed that bundle sheath cells from both C(4) species share a gene

87 monious explanation for our findings is that bundle sheath cells from the last common ancestor of ric

88 tissues of C(3) plants but is restricted to bundle sheath cells in C(4) species.

89 to allow PEPC to function anaplerotically in bundle sheath cells in the dark without interfering with

90 key C(4) enzymes either to mesophyll (M) or bundle sheath cells is considered a crucial step towards

91 H(2) and DOF families, was identified in the bundle sheath cells of both species.

92 all gene set preferentially expressed in the bundle sheath cells of both species.

93 etic tissues of C(3) plants, but only in the bundle sheath cells of C(4) plants.

94 , RER1, and RER3 were mainly detected in the bundle sheath cells of expanded leaves, functional RER3:

95 l regulation prevents GR accumulation in the bundle sheath cells of maize leaves.

96 sed it to quantify chloroplast dimensions in bundle sheath cells of OsHAP3H gain- and loss-of-functio

97 nal chloroplast development in mesophyll and bundle sheath cells of S. viridis mutants.

98 HSS has been localized in the bundle sheath cells of specific leaves.

99 se (APX2), whose expression is restricted to bundle sheath cells of the vascular tissue.

100 ansdifferentiation of chloroplast-containing bundle sheath cells to functional xylem elements.

101 ations revealed that a mechanism operates in bundle sheath cells to restrict chloroplast occupancy as

102 lants, dense fields of plasmodesmata connect bundle sheath cells to specialized companion cells (inte

103 the primary enzyme decarboxylating malate in bundle sheath cells to supply CO(2) to Rubisco, was used

104 Bundle sheath cells were cylindrical with chloroplasts a

105 In bundle sheath cells where Rubisco fixes CO(2), mitochond

106 ty, and maize chromosome 3 results in larger bundle sheath cells with increased cell wall lipid depos

107 ular interest for their importance as crops, bundle sheath cells' unique anatomical characteristics a

108 s and vascular tissues (vascular bundles and bundle sheath cells) from ethanol:acetic acid-fixed cole

109 of starch in other cell types (epidermis and bundle sheath cells).

110 pH(c) changes were only apparent within the bundle sheath cells, and not in the parenchyma cells.

111 es have both increased venation and enlarged bundle sheath cells, and there is also a tendency to acc

112 r proper late-stage differentiation of maize bundle sheath cells, including the developmentally regul

113 erentially accumulated between mesophyll and bundle sheath cells, indicative of differential network

114 Surprisingly, ZmPPCK2 is expressed in leaf bundle sheath cells, preferentially in the dark.

115 ble proportion of the CO(2), concentrated in bundle sheath cells, retrodiffuses back to the mesophyll

116 Despite the small chloroplast compartment of bundle sheath cells, substantial photosynthesis gene exp

117 logs in regulating chloroplast biogenesis in bundle sheath cells, the function of GLK1 has remained e

118 studies revealed high levels of Sxd1 mRNA in bundle sheath cells, with lower levels within the mesoph

119 rom photosynthetic electron transport in the bundle sheath cells.

120 decarboxylates malate in the chloroplasts of bundle sheath cells.

121 idermal cell layer, the vascular bundles and bundle sheath cells.

122 rate, probably to avoid CO(2) leakiness from bundle sheath cells.

123 tion of photosynthesis between mesophyll and bundle sheath cells.

124 rly in relation to chloroplast activation in bundle sheath cells.

125 is in two distinct cell types: mesophyll and bundle sheath cells.

126 in Fe influx into vacuoles of endodermal and bundle sheath cells.

127 thesis, abolishing granules in epidermal and bundle sheath cells.

128 degree of endoreduplication in enlarged C(4) bundle sheath cells.

129 ell type-specific expression in mesophyll or bundle sheath cells.

130 terveinal mesophyll, and normal perivascular bundle sheath cells.

131 ions are compartmented between mesophyll and bundle sheath cells.

132 activity and gusA mRNA accumulation) in leaf bundle sheath cells.

133 rabidopsis (Arabidopsis thaliana) leaf veins bundle-sheath cells (BSCs)-a selective barrier to water

134 on is compartmentalized between tissues, and bundle-sheath cells become photosynthetically activated(

135 are rewired to be strongly expressed in the bundle-sheath cells of C(4) sorghum acquire cis-elements

136 essed in mesophyll cells but are in adjacent bundle-sheath cells of leaves of the C4 plant Zea mays.

137 nes are found at high levels specifically in bundle-sheath cells of maize seedling leaves, indicating

138 mount of concentrated CO(2) that escapes the bundle-sheath cells, for the chilling-tolerant C(4) plan

139 ssion is compartmented between mesophyll and bundle-sheath cells.

140 ized RbcS isoforms expressed in mesophyll or bundle-sheath cells.

141 ions in the leaf primordium without blocking bundle sheath chloroplast development.

142 spersici function analogous to mesophyll and bundle sheath chloroplasts of Kranz-type C(4) species.

143 abidopsis (Arabidopsis thaliana) and agranal bundle sheath chloroplasts of the C(4) plants sorghum (S

144 ched in mesophyll chloroplasts compared with bundle sheath chloroplasts, and MET1 mRNA and protein le

145 RAF1 is predominantly expressed in bundle sheath chloroplasts, consistent with a Rubisco ac

146 specific factors limit Rubisco expression to bundle sheath chloroplasts.

147 ast ultrastructure, preferentially affecting bundle sheath choroplasts under lower light.

148 (4) cycle rate, bundle sheath leak rate, and bundle sheath CO(2) concentration.

149 sulting in a predicted transient increase in bundle-sheath CO(2) leakiness ( ).

150 climations of mesophyll conductance (g(m) ), bundle-sheath conductance (g(bs) ) and the CO(2) concent

151 otein of GDC (GLDP) became restricted to the bundle sheath during the transition from C(3) to C(4) ph

152 that C(3) Flaveria species already contain a bundle sheath-expressed GLDP gene in addition to a ubiqu

153 REDUCTASE promoter is sufficient for strong bundle sheath expression.

154 R2) and P(R7), that together ensure a strong bundle sheath expression.

155 vascular tissue possibly facilitated by the bundle sheath extension.

156 Our hypothesis was that higher abundance of bundle sheath extensions (BSE) minimizes drought-induced

157 Bundle sheath extensions (BSEs) are key features of leaf

158 hical vein networks that allow expression of bundle sheath extensions in some, but not all veins, con

159 arly due to the propensity for veins to have bundle sheath extensions that exclude stomata from the l

160 , irrespective of the presence or absence of bundle sheath extensions, because of the CO(2) assimilat

161 We measured density and area occupation of bundle sheath extensions, density and size of stomata an

162 aseolus vulgaris]; and three species without bundle sheath extensions, faba bean [Vicia faba], petuni

163 fferent vascular anatomies (two species with bundle sheath extensions, sunflower [Helianthus annuus]

164 ves, with no GR activity being detectable in bundle sheath extracts.

165 assimilate CO(2) into the C(3) cycle in the bundle sheath failed to keep pace with the rate of dicar

166 but in grasses the regulatory logic allowing bundle sheath gene expression has not been defined.

167 Here we show that changes to bundle-sheath gene expression in C(4) leaves are associa

168 that 61% of all light-induced mesophyll and bundle sheath genes were induced only by blue light or o

169 ing with one finger (DOF) motifs that define bundle-sheath identity in the major crops C(3) rice and

170 ent of an ancestral cis-code associated with bundle-sheath identity.

171 ates the development of distinct cell types; bundle-sheath in Arabidopsis and mesophyll in maize.

172 rcled by concentric layers of photosynthetic bundle sheath (inner) and mesophyll (outer) cells.

173 otentiate its efficient trafficking from the bundle sheath into mesophyll that is vital to establishi

174 The restriction of GDC to the bundle sheath is assumed to be an essential and early st

175 In contrast, the bundle sheath is specialized in water transport, sulphur

176 easurements to estimate the C(4) cycle rate, bundle sheath leak rate, and bundle sheath CO(2) concent

177 leaves of plants grown at elevated CO(2) and bundle sheath leakiness was estimated to be 24% and 33%,

178 ds of photosynthetic induction and decreased bundle sheath leakiness.

179 s, leaf area-based photosynthetic rates, and bundle sheath leakiness.

180 amount of activity in mesophyll, but not in bundle sheath membranes.

181 act to coordinate gene expression across the bundle sheath, mesophyll, and guard cells in the C4 leaf

182 lar boundary in a defined direction, (2) the bundle sheath-mesophyll boundary serves as a novel regul

183 Bundle sheath modulation is associated with higher vein

184 assay whether mesophyll cells with defective bundle sheath neighbors retain C4 characteristics or rev

185 associated with the incompletely understood bundle sheath of C(3) plants, which represents a key tar

186 the downregulated genes are predicted to be bundle sheath- or mesophyll-enriched, including those en

187 We also found that the bundle sheath provides a significant minority of evapora

188 sociated with preferential expression in the bundle sheath showed continually decreasing expression f

189 This CRM generates bundle sheath-specific expression in Arabidopsis indicat

190 al for nodule organogenesis in legume roots, bundle sheath specification in the Arabidopsis leaf, pat

191 achypodium distachyon In C(4) species, while bundle-sheath strands and whole leaves shared similarity

192 nd tuneable CRM patterning expression to the bundle sheath that we anticipate will be useful for engi

193 koids and derived PSII membranes, but not in bundle sheath thylakoids.

194 t of the C(4) pathway is the leakiness () of bundle sheath tissues, whereby a variable proportion of

195 howed continually decreasing expression from bundle sheath to mesophyll to guard cells.

196 SEs reduce the hydraulic resistance from the bundle sheath to the epidermis (r(be)) and thereby accel

197 CO(2) (the ratio of CO(2) leak rate from the bundle sheath to the rate of CO(2) supply).

198 at the requirement for this motif to mediate bundle sheath-to-mesophyll trafficking is dependent on l

199 leaves due to plasmodesmal occlusion at the bundle sheath-vascular parenchyma boundary of the minor