ライフサイエンスコーパス: photosystem I

1 te 2 conditions, only a fraction attaches to photosystem I.

2 isoform promotes enhanced cyclic flow around photosystem I.

3 nificant damage to photosystem II but not to photosystem I.

4 linear ETC declines, the PBS associates with photosystem I.

5 s, and increased cyclic electron flow around photosystem I.

6 f Photosystem II and the Lhca1-4 subunits of Photosystem I.

7 the photooxidized primary electron donor of photosystem I.

8 hancement for a biohybrid electrode based on photosystem I.

9 umulation of the cytochrome b(6)f complex or photosystem I.

10 --psaE, psaK1, and psaK2--encode subunits of photosystem I.

11 silicon bands with the redox active sites of photosystem I.

12 skeletons during preferential excitation of photosystem I.

13 ferentially excites either photosystem II or photosystem I.

14 f photosynthetic cyclic electron flow around photosystem I.

15 rings, with the inner thylakoids enriched in photosystem I.

16 transferring electrons from cytochrome f to photosystem I.

17 on center core than PsaC, its counterpart in Photosystem I.

18 nsfer between the cytochrome b6f complex and photosystem I.

19 on in proteins to dock the subunit PsaC onto Photosystem I.

20 hthoquinone) occupies the A1 binding site in photosystem I.

21 f Lhca4 and Lhca9 polypeptides in respect to photosystem I.

22 vity or cyclic electron flow associated with photosystem I.

23 ed to suggest that PsbW is also a subunit of photosystem I.

24 iron-sulfur clusters in the PsaC subunit of photosystem I.

25 ation of P700, the primary electron donor in photosystem I.

26 ue to suppressed levels of chlorophyll a and photosystem I.

27 eduction of protons by H(2)ase downstream of photosystem I.

28 ting to efficient solar energy conversion in photosystem I.

29 photosystem II light-harvesting complex, and photosystem I.

30 imitation of the electron flow downstream of photosystem I.

31 transfer photosynthetic proteins in nature, photosystem I.

32 he consequences of PsrR1-based regulation on photosystem I.

33 focus on the thermodynamics of two steps in photosystem I: (1) P(700) --> A(1)(-)F(X) (<10 ns) and (

34 cture of the large membrane protein complex, Photosystem I, a > 1 MDa complex containing 36 protein s

35 and analysis of chlorophyll fluorescence and photosystem I absorbance demonstrates the impact of FNR

36 ATP synthesis, may be controlled by extreme photosystem I acceptor side limitation or ATP depletion.

37 on centers and how the energy balance of two photosystems is achieved, allowing the organism to adapt

38 In contrast, cytochrome c oxidase and photosystem I act as terminal components of the photosyn

39 er was drastically inhibited due to impaired photosystem I activity.

40 electron transfer chain and in particular of photosystem I, also causes a decrease of Mac1.

41 ctron sinks for low potential electrons from photosystem I and as a redox balancing device under ferm

42 ex mediates cyclic electron transport around photosystem I and chlororespiration in angiosperms.

43 ype, while the cyclic electron transport via photosystem I and cytochrome b(6)f is largely unaffected

44 of Chlamydomonas reinhardtii is defective in photosystem I and fails to accumulate psaC mRNA.

45 oxidase, and Mehler reactions, catalyzed by photosystem I and Flavodiiron proteins, significantly co

46 ivation of cyclic electron flow (CEF) around photosystem I and higher accumulation of hydrogen peroxi

47 Two large membrane protein complexes, photosystem I and II (PSI and PSII), act in series to ca

48 nes involved in chlorophyll biosynthesis, in photosystem I and II assembly, and in energy metabolism.

49 Surprisingly, the antenna size of both photosystem I and II is not modulated by acclimation; ra

50 ate of the light harvesting antennae of both photosystem I and II of these plants is presented.

51 Two photosystems (photosystem I and II) work in series to build up a highe

52 ired for the accumulation of the chloroplast photosystem I and NADH dehydrogenase complexes and had b

53 reaction is mainly caused by malfunction of photosystem I and oxidative damage induced by reactive o

54 ovides the electronic connection between the photosystem I and photosystem II reaction centers of oxy

55 ed structural and functional organization of photosystem I and photosystem II were detected in the De

56 LHCII) to balance the relative excitation of photosystem I and photosystem II.

57 o hydrogen gas using electrons supplied from photosystem I and transferred via ferredoxin.

58 edistributes the excitation pressure between photosystems I and II (PSI/PSII) by the reversible assoc

59 ted gene clusters, such as Synechocystis sp. photosystems I and II and carbon dioxide fixation pathwa

60 synthesis, linking electron transfer between photosystems I and II and converting solar energy into a

61 ron transfer between the reaction centers of photosystems I and II and facilitates coupled proton tra

62 hat drive thylakoid stacking and reveal that photosystems I and II are strictly segregated at the bor

63 hanced (40%-80%) electron transport rates of photosystems I and II at both limiting and saturating li

64 posed of a phycobilisome antenna complex and photosystems I and II from the cyanobacterium Synechocys

65 ial and specific roles in photoprotection of photosystems I and II in cyanobacteria.

66 nd Stt7 kinase regulate the antenna sizes of photosystems I and II through state transitions, which a

67 balance the light absorption capabilities of photosystems I and II under light-limiting conditions.

68 nction of large protein complexes (including photosystems I and II) that reside in the thylakoid memb

69 ed transcription of genes for phycobilisome, photosystems I and II, cytochrome b6/f, and ATP synthase

70 t-harvesting chlorophyll-binding proteins of photosystems I and II, the early-light-inducible protein

71 by balancing the amount of light absorbed by photosystems I and II.

72 y more efficient electron transport rates of photosystems I and II.

73 as higher abundance of subunits of the PSII, photosystem I, and cytochrome b6f complexes.

74 hose associated with cyclic electron flow at photosystem I, and in genes involved in oxidative stress

75 the one-electron carrier at the A(1) site of photosystem I, and is essential for photosynthesis.

76 lic photosynthetic electron transport around photosystem I, and mounting evidence suggests the existe

77 ely because of the highly reducing nature of photosystem I, and the energetic requirements placed on

78 on and the cyclic electron flow (CEF) around photosystem I are the two main ATP sources, and the CEF

79 genase, and the "X", "A", and "B" centers of photosystem I) are also examined.

80 on-sulfur clusters similar to those found in Photosystem I as terminal electron acceptors.

81 ins, including Rubisco-interacting proteins, photosystem I assembly factor candidates, and inorganic

82 lation of thylakoid YCF37 likely involved in photosystem I assembly, and specific fibrillins, a flavi

83 II-enriched stacked grana thylakoids and the photosystem I/ATP synthase-enriched, nonstacked stroma t

84 We present the operation of a photosystem I-based photocathode using an electron accep

85 g-wavelength component that is attributed to photosystem I because it disappears in mutants lacking t

86 Electrons are shuttled from photosystem I by means of ferredoxin (Fdx) to ferredoxin

87 0)(+), the stably oxidized electron donor of Photosystem I, by plastocyanin (PC) has been investigate

88 In oxygenic photosynthesis, photosystem I catalyzes the light-driven oxidation of pl

89 Cyclic electron flow around photosystem I (CEF) is critical for balancing the photos

90 ng may occur via cyclic electron flow around photosystem I (CEF), which increases ATP/NADPH productio

91 enes involved in cyclic electron flow around photosystem I (CEF-PSI) and the xanthophyll cycle, relat

92 ilisomes, inactive photosystem II and active photosystem I centers.

93 Here, we construct a chimeric Photosystem I complex in Synechocystis PCC 6803 that sho

94 (v) beta-car-mediated super-complex with the photosystem I complex.

95 (-)function relationship in this red-shifted Photosystem I complex.

96 -) difference spectra, measured in cells and photosystem I complexes, retain the electrochromic band

97 which is probably universal to all trimeric Photosystem I complexes.

98 they assemble with CR-encoded subunits into photosystem I complexes.

99 plexes but was not found in association with photosystem I complexes.

100 ount of photosystem II and a decrease in the photosystem I concentration.

101 that low-light-acclimated cells accumulate a photosystem I-containing megacomplex that is absent in h

102 Photosystem I contains two potential electron transfer p

103 Photosystem I coordinates more than 90 chlorophylls in i

104 enase activation, and light vulnerability of photosystem I core proteins.

105 ection and LHC assembly, are also needed for photosystem I core translation and stability, thus makin

106 light-triggered, catalytic circuit based on photosystem I, cytochrome c (cyt c) and human sulfite ox

107 e two proteins coexist within a large active photosystem I-cytochrome b(6)/f complex.

108 light-induced electron-transfer processes in photosystem I demonstrate a marked decrease in photosynt

109 e" to connect a terminal [4Fe-4S] cluster of Photosystem I directly to a catalyst, which can be eithe

110 inkage through an electron transfer chain to photosystem I, directly led to the emergence of eukaryot

111 polybutyl-viologen were tailored to fit the photosystem I donor and acceptor sides, respectively.

112 can connect the F(B) iron-sulfur cluster of Photosystem I either to a Pt nanoparticle or, by using t

113 he PsaA- and the PsaB-side phylloquinones in photosystem I electron transport.

114 Integrating photosystem I films with p-doped silicon results in the

115 a molecular catalyst to the reducing side of Photosystem I for light-driven catalysis.

116 r function as an electron sink downstream of photosystem I for the first seconds after a change in li

117 Here, we show that photosystem I from a thermophilic bacterium and cytochro

118 ation of P740, the primary electron donor in photosystem I from Acaryochloris marina.

119 In photosystem I from plants and cyanobacteria a phylloquin

120 y and volume changes of charge separation in photosystem I from Synechocystis 6803 using pulsed photo

121 the nox mutant was specifically depleted in photosystem I function due to a severe deficiency in Psa

122 to excess light, evidenced in a reduction in photosystem I function, decreased linear electron transf

123 al electron transport from photosystem II to photosystem I, giving a quantifiable link between light

124 Photosystem I has been utilized extensively in bioelectr

125 Photosystem I has two branches of cofactors down which l

126 likely originating from pigments located in photosystem I, have highly similar spectra in the 2 spec

127 sition, an increase of PsbS, and a decreased photosystem I/II ratio.

128 genes encoding chlorophyll biosynthesis and photosystems I/II.

129 700)(+)(*)) in wild-type and mutant forms of photosystem I in the green alga Chlamydomonas reinhardti

130 II) and psaA (encoding the P(700) protein of photosystem I), in four cultured isolates (representing

131 I and provides redox equivalents directed to photosystem I, in which carbon dioxide is reduced.

132 d; (ii) elevated cyclic electron flow around photosystem I increases proton translocation into the lu

133 referential excitation of photosystem II and photosystem I induces massive reprogramming of the Synec

134 nstitute the robust light harvesting protein Photosystem I into a 2D crystal with lipids and integrat

135 hat bidirectionality of electron transfer in photosystem I is a common feature of all species rather

136 P700, the primary electron donor of photosystem I is an asymmetric dimer made of one molecul

137 Surprisingly, photosystem I is assembled to significant levels in the

138 cates that the A(-)F(X) to F(A/B)(-) step in photosystem I is entropy driven.

139 r conditions when Fd becomes overreduced and photosystem I is subjected to photoinhibition.

140 n influx through cyclic electron flow around photosystem I is suggested to play a role in regulating

141 Cyclic electron flow (CEF) around photosystem I is thought to balance the ATP/NADPH energy

142 We show that cyclic electron flow around photosystem I is twice as fast in a starchless mutant fe

143 In other photosystem I-less mutants that lacked one to four of th

144 system I-less/scpABCDE(-) strain than in the photosystem I-less strain even when grown at low light i

145 Photosystem I-less Synechocystis cells were grown to exp

146 ime of chlorophyll was 5-fold shorter in the photosystem I-less/scpABCDE(-) strain than in the photos

147 eripheral chlorophyll a/b binding antenna of photosystem I (LHCI) from green algae and higher plants

148 In contrast, the arrangement of the photosystem I light-harvesting complex I in separate uni

149 Photosystem I-light harvesting complex I (PSI-LHCI) was

150 The monomeric photosystem I-light-harvesting antenna complex I (PSI-LH

151 ing chlorosome antenna and iron-sulfur-type (photosystem I-like) reaction center.

152 In addition to a possible function in photosystem I-linked cyclic electron transport, the five

153 Illumination of these Photosystem I/molecular wire/nanoparticle bioconjugates

154 The self-organized platinization of the photosystem I nanoparticles allows electron transport fr

155 on flow, a cyclic electron flow (CEF) around photosystem I occurs in chloroplasts.

156 od was capable of measuring the L subunit in photosystem I of an Arabidopsis mutant containing <5% of

157 ecause it disappears in mutants lacking this photosystem is of higher relative intensity toward the i

158 l consumption, the scalability of artificial photosystems is of key importance.

159 e small Cab-like proteins (SCPs), as well as photosystem I or II.

160 tes of NADPH re-oxidation, without affecting photosystems I or II (no change in isolated photosynthet

161 In photosystem I, oxidation of reduced acceptor A(1)(-) thr

162 to study the photo-oxidized primary donor of photosystem I (P(700)(+)(*)) in wild-type and mutant for

163 fference spectra using labeled and unlabeled photosystem I particles and proposed assignments for man

164 difference spectra for menB, menD, and menE photosystem I particles at 77 K.

165 the A(1)(-)/A(1) FTIR difference spectra for photosystem I particles from both cyanobacterial strains

166 ence spectra obtained for unlabeled trimeric photosystem I particles from both cyanobacterial strains

167 )/P700A(1) FTIR difference spectra in intact photosystem I particles from Synechococcus sp. 7002 and

168 ctra were also obtained for fully deuterated photosystem I particles from Synechococcus sp. 7002 as w

169 02 as well as fully (15)N- and (13)C-labeled photosystem I particles from Synechocystis sp. 6803.

170 fference spectra, obtained using menB mutant photosystem I particles that were incubated in the prese

171 IR difference spectra obtained for unlabeled photosystem I particles, negative bands are observed at

172 For the reconstituted menB mutant photosystem I particles, no spectral signatures associat

173 are very similar to that found in wild type photosystem I particles.

174 ry similar to those obtained using normal WT photosystem I particles.

175 btained for all of the unlabeled and labeled photosystem I particles.

176 the data obtained for labeled and unlabeled photosystem I particles.

177 Analysis of Photosystem II and Photosystem I performance parameters indicate that highl

178 knock-out plants showed impaired growth and photosystem I photoinhibition when exposed to fluctuatin

179 unproductive charge recombination in native photosystem I photosynthetic reaction centers does occur

180 Core subunits of photosystem I, photosystem II, and phycobilisomes are re

181 Additionally, six ndh genes, subunits of photosystem I, photosystem II, and the cytochrome b6f co

182 e major functional groups of photosynthesis (photosystem I, photosystem II, the light-harvesting comp

183 irect energy transfer from photosystem II to photosystem I play a major role.

184 d membranes, cellular membranes, or purified photosystem I prepared from the wild-type strains of Syn

185 Photosystem I (PS I) and an [FeFe]-hydrogenase (H(2)ase)

186 A photosystem I (PS I) complex containing plastoquinone-9

187 The assembly of the PsaC subunit in the photosystem I (PS I) complex was studied using site-spec

188 Photosystem I (PS I) contains two molecules of phylloqui

189 The X-ray crystal structure of photosystem I (PS I) depicts six chlorophyll a molecules

190 at approximately 685 nm after excitation of photosystem I (PS I) from Synechocystis sp. PCC 6803 is

191 Crystallographic models of photosystem I (PS I) highlight a symmetrical arrangement

192 Photosystem I (PS I) is a multisubunit membrane protein

193 Photosystem I (PS I) is a robust photosynthetic complex

194 The directionality of electron transfer in Photosystem I (PS I) is investigated using site-directed

195 The PsaC subunit of Photosystem I (PS I) is tightly bound to the PsaA/PsaB h

196 In Photosystem I (PS I) long-wavelength chlorophylls (LWC)

197 difference spectra have been obtained using photosystem I (PS I) particles from Synechocystis sp. PC

198 The far-red limit of photosystem I (PS I) photochemistry was studied by EPR s

199 The Photosystem I (PS I) reaction center contains two branch

200 3 by interrupting the menA or the menB gene, photosystem I (PS I) recruits plastoquinone-9 (A(P)) to

201 Spectroscopic studies revealed that Photosystem I (PS I) was below detection limits in the v

202 y experiments using the small GTPase Ras and photosystem I (PS I).

203 ess of membrane protein degradation by using photosystem I (PS1) as a model membrane protein.

204 g chlorophylls (and/or aromatic residues) in Photosystem I (PS1) from the cyanobacterium Synechococcu

205 The primary electron donor of photosystem I (PS1), called P(700), is a heterodimer of

206 or the properties of the primary acceptor in photosystems I (PS1) and II (PS2).

207 s of the manganese-stabilizing proteins; the photosystem I PsaB protein, however, was significantly r

208 Gas exchange, chlorophyll fluorescence, photosystem I (PSI) absorbance, and biochemical and prot

209 tosystem stoichiometry through a decrease of photosystem I (PSI) abundance in thylakoid membranes.

210 e protein previously shown to be involved in photosystem I (PSI) accumulation, exhibited photosensiti

211 chanistic event in the remodeling process of photosystem I (PSI) and its associated light-harvesting

212 m, and blue light, and the quantum yield for photosystem I (PSI) and photosystem II (PSII) electron t

213 osynthesis are the pigment-protein complexes photosystem I (PSI) and photosystem II (PSII) located in

214 light-driven electron transport occurring in photosystem I (PSI) and photosystem II (PSII), located i

215 ight energy is converted by two photosystems-photosystem I (PSI) and photosystem II (PSII).

216 two multisubunit membrane protein complexes, photosystem I (PSI) and photosystem II (PSII).

217 crease in the levels of proteins in both the photosystem I (PSI) and PSII complexes also was seen in

218 of photosynthesis; the relative abundance of photosystem I (PSI) and PSII proteins was 70% greater in

219 HC), constituting the antenna system of both photosystem I (PSI) and PSII.

220 in protein expression and photoinhibition of photosystem I (PSI) and resulted in the remodeling of ph

221 upercomplex that contains components of both photosystem I (PSI) and the cytochrome b(6)/f (Cyt b(6)/

222 rve to balance excitation energy transfer to photosystem I (PSI) and to photosystem II (PSII) and pos

223 PSII-PSI supercomplexes composed of trimeric photosystem I (PSI) and two PSII monomers as deduced fro

224 iously shown to encode a protein involved in photosystem I (PSI) biogenesis in the unicellular green

225 crease in the relative LHCII antenna size of photosystem I (PSI) compared to PSII.

226 ns were found to be associated with trimeric photosystem I (PSI) complexes and the Slr1128 protein, w

227 biosynthesis of both monomeric and trimeric photosystem I (PSI) complexes, although the decrease in

228 er to study electron transport in individual photosystem I (PSI) complexes.

229 tions in the abundances of 4Fe-4S-containing photosystem I (PSI) core subunits PsaA (where Psa stands

230 lastid tricistronic psaA-psaB-rps14 mRNA and photosystem I (PSI) deficiency.

231 Photosystem I (PSI) from Chroococcidiopsis thermalis PCC

232 Cyanobacterial photosystem I (PSI) functions as a light-driven cyt c(6)

233 umber of solar biohydrogen systems employing photosystem I (PSI) have been developed, few attain the

234 th the availability of structural models for photosystem I (PSI) in cyanobacteria and plants it is po

235 eletion, is associated with a malfunction of Photosystem I (PSI) in defective chloroplasts of mutant

236 ) to photosystem II (PSII) in state I and to photosystem I (PSI) in state II.

237 quired for expression of the PsaA subunit of photosystem I (PSI) in the chloroplast of Chlamydomonas

238 to-oxidized special chlorophyll pair P700 of photosystem I (PSI) in the photosynthetic electron trans

239 Photosystem I (PSI) is a large membrane protein that cat

240 Photosystem I (PSI) is a large pigment-protein complex a

241 Cyclic electron flow around photosystem I (PSI) is a mechanism by which photosynthet

242 Photosystem I (PSI) is a reaction center associated with

243 step suggests that the electron transport at photosystem I (PSI) is affected in P-deficient plants.

244 Photosystem I (PSI) is one of two photosynthetic reactio

245 Photosystem I (PSI) is the dominant photosystem in cyano

246 of cyanobacteria, algae, and higher plants, photosystem I (PSI) mediates light-driven transmembrane

247 of heliobacteria, green sulfur bacteria, and photosystem I (PSI) of cyanobacteria and plastids, plus

248 lf-assembled monolayers (SAMs) of the entire photosystem I (PSI) protein complex (not the isolated re

249 alized photosynthetic machinery found in the Photosystem I (PSI) protein to drive solar fuel producti

250 Nature's specialized energy-converters, the Photosystem I (PSI) protein, to drive hydrogen productio

251 onal structure of the newly discovered CP43'-photosystem I (PSI) supercomplex of cyanobacteria calcul

252 This study describes the use of photosystem I (PSI), a multi-subunit protein complex uni

253 ly in stroma-exposed membranes together with photosystem I (PSI), and its distribution did not change

254 the native arrangement and dense packing of photosystem I (PSI), photosystem II (PSII), and cytochro

255 multisubunit membrane proteins are involved: photosystem I (PSI), photosystem II (PSII), cytochrome b

256 fect on photosystem II but induced damage to photosystem I (PSI), the damage being most severe during

257 ole of natural thylakoid membrane housing of Photosystem I (PSI), the transmembrane photosynthetic pr

258 of the chlorophyll a Q(Y) transition band in photosystem I (PSI), with light of wavelength > or = 700

259 pcb gene encoding an antenna protein serving photosystem I (PSI)--comparable to isiA genes from cyano

260 ectron flow operating from photosystem II to photosystem I (PSI).

261 f plastoquinone and donor-side limitation of photosystem I (PSI).

262 s it was believed that NPQ does not occur in photosystem I (PSI).

263 metry, are present in the reaction center of photosystem I (PSI).

264 eltapgl mutant had less chlorophyll, a lower photosystem I (PSI)/PSII ratio, more carotenoid per unit

265 Furthermore, the photosystem I (PSI):PSII ratio increased, and the cellul

266 PGRL1)-dependent cyclic electron flow around photosystem I (PSI-CEF), we demonstrate the sequential c

267 bleach in lcd1-1 and potential activities of photosystems I (PSI) and II (PSII) decrease to a similar

268 allows energy distribution balancing between photosystems I (PSI) and II (PSII).

269 n-pigment complexes named photosystem II and photosystem I (PSII and PSI, respectively).

270 hat respiratory electrons are transferred to photosystem I rather than to a terminal oxidase.

271 eased growth and modified the photosystem II/photosystem I ratio at high light intensities because of

272 tron transfer between electrodes and spinach Photosystem I reaction center (PS I) in lipid films for

273 However, measurements of the photosystem I redox kinetic in cells of the Deltasml0013

274 ges, the excitation balance between PSII and photosystem I remains unchanged.

275 The crystal structure of photosystem I reveals that the chlorophyll a' (P(A)) cou

276 einhardtii, maturation of psaA mRNA encoding photosystem I subunit A involves two steps of trans-spli

277 turation of the [4Fe-4S] clusters present in photosystem I subunits, acting upstream of the high-chlo

278 When growth is limited by the flux through photosystem I, terminal respiratory oxidases are predict

279 samples, are hypothesized to be a domain of photosystem I that protrudes from the stromal face of si

280 he Proton Gradient Regulation 5 to safeguard photosystem I, the cyanobacterial homolog of Proton Grad

281 osynthetically produced oxygen is reduced by photosystem I through the Mehler reaction to form reacti

282 A similar methodology can be used to connect Photosystem I to other redox proteins that have surface-

283 transport between photosystem II (PSII) and photosystem I to the generation of a transmembrane proto

284 , electrons flow back from the donor site of photosystem I to the plastoquinone pool via two main rou

285 critical branch point in electron flow from Photosystem I toward a variety of metabolic fates, inclu

286 Photosystem I transcripts were constitutively expressed

287 in cyanobacteria and provides protection for photosystem I under fluctuating growth light.

288 This finding suggests that in Photosystem I, unlike type II reaction centers, the rela

289 electron transport from sodium ascorbate to photosystem I via cytochrome-c(6) and finally to the pla

290 ages and environmental samples (1-4) , viral photosystem I (vPSI) genes have so far only been detecte

291 This indicated that electron flow through Photosystem I was normal.

292 linear electron flow from photosystem II to photosystem I, was not affected by NDA2 overexpression,

293 rious mutants deficient in RTOs, Flv1/3, and photosystem I, we investigated the contribution of these

294 determined in these mutants and in wild-type photosystem I were compared with each other, with the mo

295 ynthetic electron transport chain, including photosystem I, were still functional.

296 tion data from the integral membrane protein Photosystem I, which consists of 36 subunits and 381 cof

297 We found that this effect requires photosystem I, which generates reduced NADPH.

298 ontributing to an increased antenna size for photosystem I, which may in part compensate for the loss

299 est a light-induced conformational change in photosystem I, which may regulate the oxidation of solub

300 d near-wild-type levels of chlorophyll a and photosystem I, yet the serine oxygen ligand to F(B) was