ライフサイエンスコーパス: chlorophyll a

1 erlap of the modified phycobiliproteins with chlorophyll a.

2 had lost most of their phycobiliproteins and chlorophyll a.

3 sonance energy transfer between peptides and chlorophyll a.

4 be slightly slower in chlorophyll B than in chlorophyll A.

5 b-bloom conditions of less than 20 mug L(-1) chlorophyll a.

6 deoxynucleosides and pheophytin derived from chlorophyll a.

7 nzylimide methyl ester were synthesized from chlorophyll-a.

8 ined were for ascorbic acid (0.77 and 0.86), chlorophyll a (0.79 and 0.66), chlorophyll b (0.86 and 0

9 the levels of other phytochemicals, such as chlorophyll a (1 muM and 100 muM AA, 50 muM ABA); chloro

10 pressed to less than 25 micromol of O2 mg of chlorophyll a(-1) h(-1).

11 inter values were 43.2% of summer values for chlorophyll a, 15.8% of summer phytoplankton biovolume a

12 rption properties and cellular costs between chlorophyll a(2)/b(2) and phycobilisome antennas in exta

13 isomes, Prochlorococcus has evolved to use a chlorophyll a(2)/b(2) light-harvesting complex.

14 d values for total phosphorus (15 mug/L) and chlorophyll a (4 mug/L) concentrations under scenarios o

15 xpression resulted in a preferential loss of chlorophyll a, a lower steady state of Rubisco as measur

16 Correlations with whole-community chlorophyll a, a proxy for autotrophic biomass, suggest

17 oligotrophic waters, but contained levels of chlorophyll a, a proxy for phytoplankton biomass, charac

18 Also, minor amounts of chlorophyll a, a' and b can be observed in Opuntia peel

19 imary electron donor P700 (a special pair of chlorophyll a/a' molecules) to three iron-sulfur cluster

20 n and beta-carotene levels, but not those of chlorophyll a, accumulated in whole soybean sprouts and

21 Chlorophyll a (Adj. R(2) = 0.83, p < 0.0001) was equally

22 eing due to the 13(1) keto carbonyl group of chlorophyll a, again, most likely the 13(1) keto carbony

23 hymus DNA (rho(v)(90) = 0.20 at 454 nm), and chlorophyll a aggregates in formamide/water (rho(v)(90)

24 ted in the cell to levels exceeding those of chlorophyll a, although LHCII did not accumulate.

25 e linked to rapid, 2- to 3-fold increases in chlorophyll a, an indicator of phytoplankton concentrati

26 ids and phenolic acids with small amounts of chlorophyll (a and b), lycopene and beta-carotene.

27 of the four LhcA subunits of LHCI include 52 chlorophyll a and 9 chlorophyll b molecules, as well as

28 p between the fluorescence emission bands of chlorophyll a and a probe.

29 r far-red light (FRL; >725 nm) contains both chlorophyll a and a small proportion of chlorophyll f.

30 g1/i4g2 double mutant has reduced amounts of chlorophyll a and b suggesting a role in the expression

31 ponents present in high amounts are proline, chlorophyll A and B, all the essential amino acids and v

32 ECT-MP can both simultaneously retrieve leaf chlorophyll a and b, and also performs better than PROSP

33 Q(y) absorption bands at 672 and 812 nm from chlorophyll a and bacteriochlorophyll a, respectively.

34 The lipidic chlorophyll a and beta-carotene (beta-car) in cyanobacte

35 the substitution of the axial ligand of the chlorophyll a and chlorophyll a' molecules that form the

36 Chlorophyll a and chlorophyll b exhibit distinct spectra

37 ation of total plant-based chlorophylls into chlorophyll a and chlorophyll b is necessary for advance

38 Chlorophyll b is synthesized from chlorophyll a and is found in the light-harvesting compl

39 ssor strains showed near-wild-type levels of chlorophyll a and photosystem I, yet the serine oxygen l

40 oautotrophically due to suppressed levels of chlorophyll a and photosystem I.

41 on (UK) and exposure of air masses to marine chlorophyll a and to other source proxies.

42 Correlations between chlorophyll a and total phosphorus in freshwater ecosyst

43 data, whereas a direct relationship between chlorophyll a and total phosphorus is always supported,

44 koid membranes, and is correctly folded with chlorophyll a and xanthophylls but without chlorophyll b

45 , nitrate-N, dissolved inorganic phosphorus, chlorophyll-a and algal density).

46 ith remotely sensed sea surface temperature, chlorophyll-a and irradiance data, and modeled wave data

47 ed 2 degrees C warmer than normal, surf-zone chlorophyll-a and nutrients were 50% and 30% less than n

48 e total nitrogen and phosphorus, summer-time chlorophyll-a and summer-time Secchi depth have not been

49 om 1.2 to 4.3 times higher concentrations of chlorophylls a and b, carotenoids, alpha- and beta-carot

50 valuable targets given their resemblance to chlorophylls a and b, which bear 3-vinyl and 13-keto gro

51 A), and F(B) via acceptors A(0) (a monomeric chlorophyll a) and A(1) (phylloquinone).

52 rganic carbon (DOC), nutrient concentration, chlorophyll a), and human population density.

53 stuary in relation to temperature, salinity, chlorophyll a, and sediment concentrations of cadmium, c

54 elated negative-exponentially with mean SST, chlorophyll a, and SST rise.

55 the plastid-encoded psaA (photosystem I P700 chlorophyll a apoprotein A1), psbA (photosystem II react

56 res (14.5 degrees C-17.5 degrees C) and high chlorophyll-a ( approximately 11 mg m(-3)).

57 Chlorophyll b was more stable than chlorophyll a at 70 degrees C, but both of them were hig

58 ter chlorophyll, photosystem I unit size and chlorophyll a+b/cell ratios comparable with wild-type ce

59 cold-circadian rhythm-RNA binding (CCR) and chlorophyll a/b binding (CAB) protein genes have circadi

60 -translational targeting of light harvesting chlorophyll a/b binding (LHC) proteins.

61 Peripheral chlorophyll a/b binding antenna of photosystem I (LHCI)

62 rity to regions of members of the eukaryotic chlorophyll a/b binding gene family (Cab family) and to

63 e light regulation of the genes encoding the chlorophyll a/b binding protein (CAB) and the small subu

64 The Arabidopsis chlorophyll a/b binding protein (CAB) gene underexpresse

65 egulation of C1-beta-glucuronidase (GUS) and chlorophyll a/b binding protein (cab3)-GUS reporter gene

66 and the pseudo-response regulator TIMING OF CHLOROPHYLL A/B BINDING PROTEIN (TOC1/PRR1).

67 as engineered under the control of the cab1 (chlorophyll a/b binding protein 1) promoter, in order to

68 omycin-dependent changes in LIGHT HARVESTING CHLOROPHYLL A/B BINDING PROTEIN 1.1 expression were comp

69 of greening, and light-induced expression of CHLOROPHYLL A/B BINDING PROTEIN 3 and CHALCONE SYNTHASE.

70 conditions, but unlike catalase CAT2 and the chlorophyll a/b binding protein gene CAB, in which the c

71 We have used a fusion of the promoter of a chlorophyll a/b binding protein gene, CAB2, with firefly

72 leaves the precursor of the light-harvesting chlorophyll a/b binding protein of photosystem II (LHCPI

73 enhanced 35S promoter) or a relatively weak (chlorophyll a/b binding protein promoter) promoter was u

74 ated by screening for elevated activity of a chlorophyll a/b binding protein-luciferase (CAB2-LUC) tr

75 n and epistasis analyses show that TIMING OF CHLOROPHYLL A/B BINDING PROTEIN1 (TOC1) expression is no

76 Oscillations of [Ca(2+)](cyt) and CHLOROPHYLL A/B BINDING PROTEIN2 (CAB2) promoter activit

77 SHB1 regulation of hypocotyl elongation and CHLOROPHYLL a/b BINDING PROTEIN3 or CHALCONE SYNTHASE ex

78 ALA1 (ASAP1) floral regulatory genes and the CHLOROPHYLL A/B BINDING PROTEIN9 (ASCAB9) photosynthetic

79 le is required for the in vitro targeting of chlorophyll a/b binding proteins (LHCP) to the thylakoid

80 The structure of the major light-harvesting chlorophyll a/b complex (LHCII) was analyzed by pulsed E

81 ding membrane protein, the light- harvesting chlorophyll a/b complex of green plants, have been deter

82 cursor major photosystem II light-harvesting chlorophyll a/b protein failed to associate with chromop

83 promoter of an Arabidopsis light-harvesting chlorophyll a/b protein gene, Lhcb1*3, which is necessar

84 ased chlorophyll b synthesis and a decreased chlorophyll a/b ratio in low light-grown as well as high

85 in four ways: young leaves are greener, the chlorophyll a/b ratio is elevated, levels of reaction ce

86 Furthermore, the chlorophyll a/b ratio of photosystem II core particles (

87 in total chlorophyll in HL-grown plants, the chlorophyll a/b ratio remained stable.

88 In addition to a low chlorophyll a/b ratio, the carotenoid pigments of seeds

89 All mutants were viable in soil and had chlorophyll a/b ratios ranging from 2.9 to 3.5 and near

90 normal rates of O(2) evolution and elevated chlorophyll a/b ratios, typical of those found in "sun"

91 nuclear-encoded in higher plants and green (chlorophyll a/b) algae.

92 Values for Rubisco amount, chlorophyll a/b, and P(max) all declined from the top to

93 ane-spanning domains of all light-harvesting chlorophyll a/b- and a/c-binding proteins in chloroplast

94 lix proteins resembling helices I and III of chlorophyll a/b-binding (Cab) antenna proteins from high

95 tion of its substrates, the light-harvesting chlorophyll a/b-binding (LHC) proteins, in the absence o

96 t by extending a screen for Arabidopsis cue (chlorophyll a/b-binding [CAB] protein-underexpressed) mu

97 c lhcb gene, coding for Lhcb, a higher plant chlorophyll a/b-binding light-harvesting complex of phot

98 ivate expression of genes encoding the major chlorophyll a/b-binding protein (cab) in the dark.

99 t from the light-regulated mechanism for the chlorophyll a/b-binding protein (cab) or small subunit o

100 lational integration of the light-harvesting chlorophyll a/b-binding protein (LHCP) into thylakoid me

101 cpSRP43) that together bind light-harvesting chlorophyll a/b-binding protein (LHCP) to form a soluble

102 ted promoters, we identified elements in the chlorophyll a/b-binding protein 2 (CAB2) promoter that a

103 hydrate results in a significant decrease in chlorophyll a/b-binding protein and ribulose bisphosphat

104 4, a gene encoding the photosystem 1 type IV chlorophyll a/b-binding protein complex in Arabidopsis,

105 nd abscisic acid leading to light-harvesting chlorophyll a/b-binding protein expression in etiolated

106 ased expression of a hexokinase gene (HXK1), chlorophyll a/b-binding protein gene (CAB1), ADP-glucose

107 he precursor to the Euglena light-harvesting chlorophyll a/b-binding protein of photosystem II (pLHCP

108 nt, CO(2) assimilation, and LIGHT-HARVESTING CHLOROPHYLL a/b-BINDING PROTEIN transcription) is early

109 es, which is distinct from that observed for chlorophyll a/b-binding protein(CAB).

110 ts, rbcS (small subunit of Rubisco) and cab (chlorophyll a/b-binding protein), declined after 6 d.

111 Thus, the light-harvesting chlorophyll a/b-binding protein, cytochrome f, and the R

112 signal and, in the case of light-harvesting chlorophyll a/b-binding protein, with previously determi

113 aining promoter fragment of light-harvesting chlorophyll a/b-binding protein2.4 (LHCB2.4).

114 sitioning of the Arabidopsis light-inducible chlorophyll a/b-binding proteins (CAB) locus from the nu

115 osystem II (PSII) subunits, light-harvesting chlorophyll a/b-binding proteins (LHCb), Rubisco large a

116 ost-translationally targets light-harvesting chlorophyll a/b-binding proteins (LHCP) to the thylakoid

117 y of membrane proteins, the light harvesting chlorophyll a/b-binding proteins (LHCPs), during their d

118 o-ordinated synthesis of chlorophyll and the chlorophyll a/b-binding proteins is critical to the deve

119 The small gene family encoding the chlorophyll a/b-binding proteins of photosystem II (CABI

120 umulate chlorophyll and the light-harvesting chlorophyll a/b-binding proteins of photosystem II in co

121 lastid-related genes (such as those encoding chlorophyll a/b-binding proteins, ferredoxin, and the sm

122 The transcription of CAB genes, encoding the chlorophyll a/b-binding proteins, is rapidly induced in

123 yme of 5-aminolaevulinic acid formation, and chlorophyll a/b-binding proteins, respectively.

124 phytochrome induction of a light-harvesting chlorophyll a/b-protein (Lhcb) gene.

125 l transport of the abundant light-harvesting chlorophyll-a/b-binding proteins (LHCPs).

126 Considering variations in chlorophyll a:b ratio with leaf age and physiological st

127 ft of the cytochrome f alpha-band and the Qy chlorophyll a band in the cyanobacterial complex and an

128 wo genes that encode key enzymes involved in chlorophyll a, biliverdin, and heme biosynthesis: acsFI/

129 nter trimer surrounded by 18 subunits of the chlorophyll a binding CP43'protein, encoded by the isiA

130 t shows significant homology with one of the chlorophyll a-binding proteins (CP43) of photosystem II

131 Chlorophyll-a binds on Au(111) via its porphyrin unit wh

132 sumers caused the greatest decrease in final chlorophyll a biomass and accrual rates the most in the

133 dings that the rate of photobleaching of the chlorophyll a bound in the complex was found to vary inv

134 trends mirror those for chlorophyll b versus chlorophyll a but are of lesser magnitude.

135 itrogen and iron increased concentrations of chlorophyll a by up to approximately 40-fold, led to dia

136 that similar to the few other chromophytes (chlorophyll a/c) examined, rbcS is chloroplast encoded i

137 ations for different model structures of the chlorophyll a(+) cation radical.

138 on photosynthetic attributes, such as Fv/Fm, chlorophyll a/cell, levels of D2 PSII subunits, or RbcL;

139 The oxidation of chlorophyll a (chl a) catalysed by peroxidase (POD) from

140 idely used empirical approach for estimating chlorophyll a (Chl) from satellites can be in error by a

141 triplicate 4 m(3) enclosures with equivalent chlorophyll a (Chl-a) under present and higher partial p

142 Spatial and temporal measures of SeaWiFS OC4 chlorophyll-a (Chl(RS)-a, mg m(-3)) were resolved across

143 We show that positive anomalies in chlorophyll-a (chl-a) at Palmer Station, occurring every

144 Analysis of a 10-year high resolution Chlorophyll-a (Chl-a) dataset, along with remotely-sense

145 an half a century, the two satellite-derived chlorophyll-a (Chl-a) eras are linked to assess concurre

146 caused by increased phytoplankton biomass as chlorophyll-a (chl-a).

147 Temperature and chlorophyll a (chla) concentration varied significantly

148 Fluorescence of chlorophyll a (Chla) is a noninvasive and very sensitive

149 PROSPECT-MP) that can combine the effects of chlorophyll a, chlorophyll b and carotenoids on leaf dir

150 ote sensing of leaf photosynthetic pigments (chlorophyll a, chlorophyll b and carotenoids) and for pr

151 levels of 12 key C and N metabolites, namely chlorophyll a, chlorophyll b, fructose, fumarate, glucos

152 ocean biological productivity, inferred from chlorophyll a concentration (Chl a), has significantly c

153 Satellite sensors were used to measure chlorophyll a concentration (CHL) and sea surface temper

154 ompensate for the loading reduction, and the chlorophyll a concentration decreases substantially (by

155 ive models to infer spatiotemporal trends of chlorophyll a concentration, sediment organic carbon con

156 system metabolism (dissolved oxygen, pH, and chlorophyll-a concentration) and to estimate gross prima

157 easured variables (dissolved oxygen, pH, and chlorophyll-a concentration) related to ecosystem metabo

158 m intensities evident as overall declines in chlorophyll a concentrations (DeltaChla = -2.8 +/- 0.5%y

159 tal variables (solar radiation, temperature, chlorophyll a concentrations among others), and these sh

160 to capture local environmental forcings, as chlorophyll-a concentrations decreased at relatively sho

161 rations increased, whereas phytoplankton and chlorophyll-a concentrations decreased, directly corresp

162 = 0.5; n = 147) that successfully predicted chlorophyll-A concentrations from an external subset of

163 nchronized daily time-series data of surface chlorophyll-a concentrations from the NASA's MODIS satel

164 dity, and dissolved organic carbon (DOC) and chlorophyll-a concentrations in a wetland-influenced reg

165 nd that the reef ecosystems with the highest chlorophyll-a concentrations; Jarvis, Howland, Baker, Pa

166 e complex shows that the fifth ligand of the chlorophyll a contains two water molecules.

167 germination in 'Pungsannamulkong' while the chlorophyll a content in whole sprouts was highly linked

168 The chlorophyll a content of the menG mutant strain was simi

169 rrelation between microplastic abundance and chlorophyll a content suggests vertical export via incor

170 The mutant displayed decreased chlorophyll a content.

171 y with water temperature and whole-community chlorophyll a Correlations with temperature point to the

172 ence of reactions from pyropheophorbide-a (a chlorophyll-a derivative), was found to be a promising i

173 eactions have afforded 20-phenyl-substituted Chlorophyll a derivatives (ZCPh) in good yields and sign

174 primary electron donor in photosystem I is a chlorophyll a dimer termed P700.

175 tabolic changes of lutein, beta-carotene and chlorophyll a during germination are affected not only b

176 tabolic changes of lutein, beta-carotene and chlorophyll a during germination of the soybean (Glycine

177 ecessarily lead to good ecological status of chlorophyll-a, even though a dependency between the para

178 nsient suppression then recovered with total chlorophyll a exceeding that in the controls within 72-h

179 alysis of the carbonyl stretching region for chlorophyll a excitations indicates that the HliD binds

180 Reservoirs with higher epilimnetic [chlorophyll a] experienced larger increases in CH4 emiss

181 The ratio of chlorophyll a fluorescence (F685 nm/F730 nm) significant

182 We suggest that measurement of chlorophyll a fluorescence can be used to operationally

183 results of pulse-amplitude modulation-based chlorophyll a fluorescence emission measurements, oxygen

184 Chlorophyll a fluorescence emission was checked in treat

185 s vulgaris and homobaric Commelina communis, chlorophyll a fluorescence images showed dramatic declin

186 patches were quantified by gas exchange and chlorophyll a fluorescence imaging in different species

187 s with different anatomy by gas exchange and chlorophyll a fluorescence imaging using grease to block

188 ons evaluated at the same conditions such as chlorophyll a fluorescence indices, total, reducing suga

189 Here, we demonstrate that time-resolved chlorophyll a fluorescence is a unique tool to monitor b

190 Here we measured, in parallel, the chlorophyll a fluorescence lifetime and intensity to und

191 ither the fractional intensities of the PSII chlorophyll a fluorescence lifetime distributions or ste

192 Global analysis of the chlorophyll a fluorescence lifetime distributions reveal

193 ssure and changes in the fractional areas of chlorophyll a fluorescence lifetime distributions, but n

194 Using chlorophyll a fluorescence measurements, we observed tha

195 photosynthetic apparatus in the mutants from chlorophyll a fluorescence parameters and their high lev

196 e function of photosystem II, the polyphasic chlorophyll a fluorescence rise and flash fluorescence i

197 tified Tcrit (high temperature where minimal chlorophyll a fluorescence rises rapidly and thus photos

198 row limits), in contrast to the more dynamic chlorophyll a fluorescence signal.

199 ere an educational review on the relation of chlorophyll a fluorescence transient to various processe

200 bservation that differences at the I step in chlorophyll a fluorescence transients from healthy and P

201 lysis of saturation pulse-induced changes in chlorophyll a fluorescence yield.

202 Here, proxies for leaf cellular damage, chlorophyll a fluorescence, and electrolyte leakage were

203 (measured as non-photochemical quenching of chlorophyll a fluorescence, NPQ) to induce and relax mor

204 mbrane inlet mass spectrometry gas exchange, chlorophyll a fluorescence, P700 analysis, and inhibitor

205 to as NPQ, or nonphotochemical quenching of chlorophyll a fluorescence.

206 e nonradiative dissipation and, thus, quench chlorophyll a fluorescence.

207 ement of a red light-stimulated quenching of chlorophyll a fluorescence.

208 odified for greatly increased sensitivity to chlorophyll-a fluorescence, and we show high spectral co

209 lumination, even though the quantum yield of chlorophyll a formation was reduced.

210 ent biological origins was illustrated using chlorophyll a from spinach and algae, where a large diff

211 Furthermore, we find that chlorophyll a has a prevalent role in the coordination o

212 dyl axial ligand to the Mg(2+) of the P(700) chlorophyll a has been changed to several different amin

213 The novel bacteriochlorins, obtained from chlorophyll-a, have long-wavelength absorptions in the r

214 )-beflubutamid, as determined by analysis of chlorophyll a in 5-day-old leaves.

215 t chlorophyll b functionally substitutes for chlorophyll a in photosystem II.

216 that phytoplankton taxonomic data outperform chlorophyll a in terms of predictive importance.

217 ts of total lipids, total carbohydrates, and chlorophyll a in the cells of the microalga, indicating

218 chrome b 6 f complex, the role of the single chlorophyll a in the structure and function of the compl

219 crustaceans and 2.5-fold increase of summer chlorophyll-a in the Bay.

220 riochlorophyll at one station exceeded total chlorophyll-a in the overlying oxygenated portion of the

221 ve the H-bond to the 13(1)-keto group of the chlorophyll a' in Chlamydomonas reinhardtii.

222 hosphorus) and phytoplankton standing stock (chlorophyll a) in lakes was described about 30 years ago

223 n, the contents of lutein, beta-carotene and chlorophyll a increased from those in the seeds.

224 aring monthly time series of temperature and chlorophyll-a inside San Francisco Bay with those in adj

225 perature and the acid-driven demetalation of chlorophyll-a into pheophytin-a.

226 almost complete transfer to chlorophyll f if chlorophyll a is pumped with a wavelength of 670 nm or 7

227 of light harvesting from the xanthophylls to chlorophyll a is relatively high and insensitive to the

228 peaked with a 16-fold increase (relative to chlorophyll-a) just after the major lysis event.

229 lticomponent nanoreactor (NR) that comprises chlorophyll a, l-ascorbic acid, and gold nanoparticles t

230 thioglycolic acid were highly correlated to chlorophyll a, likely indicating an algal origin.

231 Under HL, each Deltapgl mutant had less chlorophyll, a lower photosystem I (PSI)/PSII ratio, mor

232 ed six components: Model 1 (pheophytin-A and chlorophyll-A), Model 2 (chlorophyll-B and chlorophyll-C

233 chlorophyll a species, most likely the A(0) chlorophyll a molecule that is in close proximity to A(1

234 ing the triplet excitation transfer from the chlorophyll a molecule to distant beta-carotene, is disc

235 he (A(0)(-) - A(0)) difference spectrum of a chlorophyll a molecule, consistent with previous studies

236 e the mutant PS1 contained approximately one chlorophyll a' molecule per reaction center, indicating

237 is thought to provide a hydrogen bond to the chlorophyll-a' molecule of P700 (the two chlorophylls of

238 tructure of photosystem I (PS I) depicts six chlorophyll a molecules (in three pairs), two phylloquin

239 ion in the ensemble of excitonically coupled chlorophyll a molecules around P700 similar to what has

240 xcitations indicates that the HliD binds six chlorophyll a molecules in five non-equivalent binding s

241 ndscape comprising 96 PSI trimers and 27,648 chlorophyll a molecules.

242 Single chlorophyll-a molecules, a vital resource for the susten

243 of the axial ligand of the chlorophyll a and chlorophyll a' molecules that form the P(700) heterodime

244 The primary electron acceptor A(0) is a chlorophyll a monomer that could be one or both of the t

245 rength by the ground-state absorption of the chlorophyll a monomers from the excited-state absorption

246 protons at position 12 of the spin carrying chlorophyll a of P700+.

247 the 13(1) keto carbonyl of chlorophyll a or chlorophyll a' of P700 on PsaB or PsaA absorbs at 1703.4

248 valuable targets given their resemblance to chlorophyll a or b, which contains the 13(1)-oxophorbine

249 HS(A676) mutant, the 13(1) keto carbonyl of chlorophyll a or chlorophyll a' of P700 on PsaB or PsaA

250 nt WSCP from cauliflower, reconstituted with chlorophyll a or chlorophyll b, gives excellent agreemen

251 r of spectral properties resembling those of chlorophyll a or its zinc analogue.

252 We have used conserved motifs from the chlorophyll a oxygenase (CAO) gene from Chlamydomonas re

253 lls1 lesion mimic phenotype was delayed in a chlorophyll a oxygenase (CAO) mutant chlorina1 backgroun

254 This gene family includes chlorophyll a oxygenase (Cao), choline monooxygenase (Cm

255 e protein via a threonine residue, while the chlorophyll a (P(B)) does not have such a hydrogen bond.

256 eplacement of the axial ligand of the B-side chlorophyll a (P(B)), as well as the double mutant (PsaA

257 molecule of chlorophyll a' (P(A)) and one of chlorophyll a (P(B)).

258 an asymmetric dimer made of one molecule of chlorophyll a' (P(A)) and one of chlorophyll a (P(B)).

259 structure of photosystem I reveals that the chlorophyll a' (P(A)) could be hydrogen-bonded to the pr

260 ich the histidine axial ligand of the A-side chlorophyll a' (P(A)) is replaced with glutamine, and Ps

261 contained 10.3 bacteriochlorophyll a(P), 6.4 chlorophyll a(PD), and 1.6 Zn-bacteriochlorophyll a(P)'

262 phetamine, there was up to 45% lower biofilm chlorophyll a per ash-free dry mass, 85% lower biofilm g

263 les are formed from pheophytin (demetallated chlorophyll), a pigment that is naturally consumed in hu

264 -equivalent binding sites, with at least one chlorophyll a presenting a slight distortion to its macr

265 Along with the specifically bound chlorophyll a previously found to be bound stoichiometri

266 cling (bacterial respiration and production, chlorophyll a, production to respiration ratio, and part

267 form (MFPCP) and high-salt (HSPCP) peridinin-chlorophyll a proteins from the dinoflagellate Amphidini

268 form (MFPCP) and high-salt (HSPCP) peridinin-chlorophyll a-proteins.

269 emtosecond excitation of the red edge of the chlorophyll a Q(Y) transition band in photosystem I (PSI

270 plants exhibited increased nonphotochemical chlorophyll a quenching during photosynthesis.

271 yl group substitutions on the side chains of chlorophyll a result in the different absorption propert

272 Satellite imagery and offshore chlorophyll-a samples are consistent with the postulated

273 etween aerosol surfactant concentrations and chlorophyll-a seawater concentrations suggest a marine a

274 redictor variables included in the model are chlorophyll a, sediment type, dissolved oxygen, temperat

275 during leaf senescence include breakdown of chlorophyll, a shift to catabolism of energy reserves, a

276 nd is due to a 13(3) ester carbonyl group of chlorophyll a species, most likely the A(0) chlorophyll

277 on-photochemical quenching (NPQ) and maximum chlorophyll a-specific carbon fixation (Pmax ), but tran

278 nergy flows, respectively, between different chlorophyll a spectral forms of the core.

279 , secchi-depth status is strongly related to chlorophyll-a status in three of the four study-areas.

280 or by a ChlB/ChlN complex could account for chlorophyll a synthesis in the PS I-less/chlL-/por (del)

281 yrophosphate, required for the final step in chlorophyll a synthesis.

282 partitioned into components predicted by pH, chlorophyll a, temperature, and water mass movements.

283 ly the 13(1) keto carbonyl group of the A(0) chlorophyll a that is close to A(1).

284 state, shows that energy is transferred from chlorophyll a to a low-lying carotenoid excited state, i

285 deletion strains accumulated carotenoids and chlorophyll a to a significantly higher level than their

286 The equivalent ratio of chlorophyll a to b, in all treatments with conventional

287 ake Huron, we examine the relationship among chlorophyll a, total phosphorus, and algal biomass measu

288 to develop forecasting models of odor using chlorophyll a, turbidity, total phosphorus, temperature,

289 l able to synthesize small amounts of normal chlorophyll a under weak continuous illumination, even t

290 ly, there was no correlation between monthly chlorophyll-a variability inside and outside the Bay.

291 Furthermore, chlorophyll a was a good discriminating factor between c

292 Chlorophyll a was converted into zinc methyl 3-ethylpyro

293 Interestingly, chlorophyll a was identified as a more robust and useful

294 nin, allophycocyanin-B/terminal emitter, and chlorophyll a was resolved.

295 In contrast, chlorophyll-a was greatest at reef ecosystems proximate

296 However, at the annual scale Bay chlorophyll-a was significantly correlated with the Spri

297 responsible for chlorophyll b synthesis from chlorophyll a, was introduced and expressed in a photosy

298 containing vitamin B12 could further enhance chlorophyll a yields by up to threefold.

299 ystem I (LHCI) in Porphyridium cruentum bind chlorophyll a, zeaxanthin and beta-carotene.

300 mpare phenological change for phytoplankton (chlorophyll a), zooplankton (Daphnia) and fish (perch, P