ライフサイエンスコーパス: Chl

1 Chl is a maternal factor that is also zygotically expres

2 Chl, like Chd, dorsalizes embryos upon overexpression an

3 in intramolecular electron transfer from (1*)Chl to PI to form Chl(+*)-PI(-*)-NDI and Chl(+*)-PI(-*)-

4 rovides two anthocyanin indices: ANTHR=log(1/Chl-fluorescence_R) and ANTHRG=log(Chl-fluorescence_R/Ch

5 the tla3 mutant than in the wild type and a Chl antenna size of the photosystems that was only about

6 a quite unexpected expression pattern for a Chl binding protein and accumulated to high levels in th

7 Chl a-b light-harvesting complex, and had a Chl antenna size of the photosystems that was only about

8 Immediately preceding each quinone is a Chl (ec3), which receives a H-bond from a nearby tyrosin

9 rome b(6)f complex unambiguously show that a Chl a molecule is an intrinsic component of the cytochro

10 ation capacity of canopies with wild type, a Chl-deficient mutant (Y11y11), and 67 other mutants span

11 applicability in mixtures of chlorophyll a (Chl a) and chlorophyll b (Chl b) with concentrations ran

12 rical approach for estimating chlorophyll a (Chl) from satellites can be in error by a factor of 5 or

13 lyze the relationship between chlorophyll a (Chl-a) and the explanatory variables in the regulated Na

14 3) enclosures with equivalent chlorophyll a (Chl-a) under present and higher partial pressures of atm

15 poral measures of SeaWiFS OC4 chlorophyll-a (Chl(RS)-a, mg m(-3)) were resolved across Florida's coas

16 of a 10-year high resolution Chlorophyll-a (Chl-a) dataset, along with remotely-sensed sea surface t

17 ry, the two satellite-derived chlorophyll-a (Chl-a) eras are linked to assess concurrent changes in p

18 Often Chlorophyll-a (Chl-a) is used to track changes in phytoplankton, since

19 use satellite-derived surface chlorophyll-a (Chl-a) observations, in conjunction with a Biogeochemica

20 c status [99 +/- 289 ug.L(-1) chlorophyll-a (Chl-a)].

21 nto zinc methyl 3-ethylpyrochlorophyllide a (Chl) and then further modified at its 20-position to cov

22 ent yield of Fe(2+)Q(A) (or Fe(3+)Q(A)(-))...Chl(+)/Car(+)/Y(D)(*) charge separations.

23 D1 core subunit of photosystem II, abolished Chl f synthesis in two cyanobacteria that grow in far-re

24 bsorption (ESA) signals, respectively, after Chl excitation.

25 size BChl c but still synthesized BChl a and Chl a.

26 d the different functionalities of Chl a and Chl b.

27 ed the kinetics of the labeling of Chl a and Chl f from H. hongdechloris grown in 50% D2O-seawater me

28 this strain synthesized BChl c, BChl a, and Chl a in amounts similar to wild-type C. tepidum cells.

29 The relationship between An and Chl was positive and linear for both water conditions, b

30 struction of negatively stained apo-ChlH and Chl-porphyrin proteins was used to reconstitute three-di

31 The synthesis of Chl f (and Chl d) is part of an extensive acclimation process, far-

32 orophyll (Chl) d in Acaryochloris marina and Chl f in Halomicronema hongdechloris showed that some cy

33 hanges of leaf traits, especially leaf N and Chl, but these responses followed qualitatively differen

34 (1*)Chl to PI to form Chl(+*)-PI(-*)-NDI and Chl(+*)-PI(-*)-NDI(2).

35 ry electron acceptors to give Chl-PI-NDI and Chl-PI-NDI(2).

36 arge recombination of Chl(+*)-PI-NDI(-*) and Chl(+*)-PI-(NDI)NDI(-*) on a 5-30 ns time scale.

37 with enhanced organic carbon production and Chl-a concentrations under high CO2 treatments.

38 ronic interactions between carotenoid S1 and Chl states, Phi(Coupling)(CarS1-Chl), that correlated di

39 phosphorus (TP), stoichiometry (TN:TP), and Chl.

40 rate of 1.1% year(-1) , while TP, TN:TP, and Chl did not change.

41 rs associated with climate and land use; and Chl trends were found in regions with high air temperatu

42 lta)(+)P(D1)(delta)(-)Chl(D1)) (673 nm) and (Chl(D1)(delta)(+)Phe(D1)(delta)(-)) (681 nm) (where the

43 r WL conditions An tended to be lower at any Chl value.

44 ignificant quantities from readily available Chl a.

45 of chlorophyll a (Chl a) and chlorophyll b (Chl b) with concentrations ranging from 46.2 to 110.8 mu

46 zes three types of (bacterio)chlorophyll ((B)Chl): BChl a(P), Chl a(PD), and BChl c(F).

47 the carotenoid-to-(bacterio)chlorophyll [(B)Chl] energy transfer efficiency.

48 ely, photoprotective quenching of harmful (B)Chl triplets.

49 Analyses of gene neighborhoods of (B)Chl biosynthesis genes and distribution patterns in orga

50 s of SGR1 and SGR2 in Arabidopsis to balance Chl catabolism in chloroplasts with the dismantling and

51 arises primarily from the connection between Chl and leaf reflectance and secondarily from the mismat

52 nts was characterized by (i) a loss of bound Chl and b heme, (ii) a shift in the absorbance peak and

53 nd PORC persist and are responsible for bulk Chl synthesis throughout plant development.

54 ersely, intrastrand cross-links generated by Chl are efficiently repaired by a dedicated Nucleotide E

55 onic C:P and N:P ratios and increased C:N, C:Chl and cell-bound Ag stoichiometry.

56 ter column dynamics and successfully capture Chl-a variability related to convective mixing.

57 ynthesis of chlorophylls (Chl), carotenoids, Chl-binding proteins and other components of the photosy

58 enoid S1 and Chl states, Phi(Coupling)(CarS1-Chl), that correlated directly with Chl fluorescence que

59 nd characterize zebrafish, Danio rerio, CHL (Chl).

60 -Q(x) states, arising from chlorophyll (Chl)-Chl interactions, although almost nothing is known about

61 The nitrogen mustard Chlorambucil (Chl) generates covalent adducts with double-helical DNA

62 oxygen produced by the sensitizers chlorin (Chl) and 5,10,15,20-tetrakis(N-methyl-4-pyridyl)-21H,23H

63 Chlorophyll (Chl) degradation causes leaf yellowing during senescence

64 Chlorophyll (Chl) f and d are the most recently discovered chlorophyl

65 d in the related bc1 complex: a chlorophyll (Chl) a, a beta-carotene, and a structurally unique coval

66 itrogen per unit mass (Nm ) and chlorophyll (Chl) decreased with home-climate temperature.

67 n 2913 lakes using nutrient and chlorophyll (Chl) observations from the Lake Multi-Scaled Geospatial

68 s are constitutively present as chlorophyll (Chl) d in the cyanobacterium Acaryochloris marina, or dy

69 al standing stock [estimated by chlorophyll (Chl) a concentrations] in sea ice from six locations in

70 cyanobacteria is accompanied by chlorophyll (Chl) depletion.

71 e (gs), intercellular CO2 (Ci), chlorophyll (Chl) content in WT plants as compared to the transgenics

72 trimeric excitonically coupled chlorophyll (Chl) cluster, comprising Chls a610-a611-a612.

73 Q(y)-Q(x) states, arising from chlorophyll (Chl)-Chl interactions, although almost nothing is known

74 assess species identification, chlorophyll (Chl) concentration, and differences in photosynthetic ef

75 aliana) mutants with defects in chlorophyll (Chl) b biosynthesis or in the chloroplast signal recogni

76 The cyclase step in chlorophyll (Chl) biosynthesis has not been characterized biochemical

77 esulted in a 9-fold increase in chlorophyll (Chl) concentration and a 5-fold increase in integrated p

78 The study revealed decreases in chlorophyll (Chl) ingestion rate, egg production rate and egg size wi

79 Here, to investigate chlorophyll (Chl)-zeaxanthin (Zea) excitation energy transfer (EET) a

80 ighter green phenotype, a lower chlorophyll (Chl) per cell content, and higher Chl a/b ratio than cor

81 er-green phenotype, had a lower chlorophyll (Chl) per-cell content, and higher Chl a/b ratio than cor

82 We measured chlorophyll (Chl) fluorescence kinetics, oxygen exchange, the concent

83 onse curves, leaf nitrogen (N), chlorophyll (Chl) concentration and specific leaf area (SLA) of 25 gr

84 However, the discovery of chlorophyll (Chl) d in Acaryochloris marina and Chl f in Halomicronem

85 complexes bind the majority of chlorophyll (Chl) in cyanobacterial cells, it is accepted that the me

86 l phyla with members capable of chlorophyll (Chl)-based phototrophy are presently known.

87 st that are essentially free of chlorophyll (Chl).

88 During leaf senescence, chlorophyll (Chl) is broken down to nonfluorescent chlorophyll catabo

89 The chlorophyll (Chl) a/b ratio of the PS I-LHC II membranes was 3.2 +/-

90 l-fluorescence_G), based on the chlorophyll (Chl) fluorescence excited with red (R) and green (G) lig

91 xcitonic coupling between their chlorophyll (Chl) a's, despite a high pigment density.

92 ns of PSII complexes and Zea to chlorophyll (Chl) fluorescence quenching in a membrane environment.

93 ch is subsequently converted to chlorophyll (Chl).

94 ntains eight peridinins and two chlorophyll (Chl) a, whereas the HSPCP has six peridinins and two Chl

95 itute a small family of unusual chlorophyll (Chl)-binding proteins that possess a Kunitz-type proteas

96 r coral optics affects variable chlorophyll (Chl) fluorescence measurements and derived photosyntheti

97 e DV chlorophyllide a and/or DV chlorophyll [Chl(ide)] a are likely to provide an appropriate resourc

98 of the redox-active accessory chlorophylls (Chl) and beta-carotenes (Car) in oxygen-evolving PS II c

99 n identified, only 12 types of chlorophylls (Chl a, b, d; divinyl-Chl a and b; and 8(1)-hydroxy-Chl a

100 ronization of the synthesis of chlorophylls (Chl), carotenoids, Chl-binding proteins and other compon

101 ed a novel cross-linking agent that combines Chl with the G-quadruplex (G4) ligand PDS (PDS-Chl).

102 , inferred from chlorophyll a concentration (Chl a), has significantly changed along the WAP shelf.

103 elation between chlorophyll-a concentration (Chl-a) and climatic indices is inadequate to describe th

104 ypothesis that reducing chlorophyll content (Chl) can increase canopy photosynthesis in soybeans was

105 illuminated leaves) and chlorophyll content (Chl) were significantly different among genotypes, but n

106 ification of semisynthetic chlorophyllin (Cu-Chl) and synthetic food colorants in food matrices.

107 is the first report in India to determine Cu-Chl in foodstuffs and beverages by using RP-HPLC with UV

108 The extraction of Cu-Chl and synthetic colorants from different food matrixes

109 The concentration of Cu-Chl in hard candy was 3.334 mg/kg and 4.489 mg/kg in the

110 ise four chlorophyll (P(D1), P(D2), Chl(D1), Chl(D2)) and two pheophytin molecules (Pheo(D1) and Pheo

111 involved in charge separation (P(D1), P(D2), Chl(D1), and Phe(D1)).

112 and comprise four chlorophyll (P(D1), P(D2), Chl(D1), Chl(D2)) and two pheophytin molecules (Pheo(D1)

113 oncentrations of the same ([H2O2]/[2,4-DCP]/[Chl]=1:3:0.02) is crucial to explaining inhibition effec

114 gs in leaf nitrogen resulting from decreased Chl.

115 of chlorophyllide released from the degraded Chl proteins.

116 CT character: (P(D2)(delta)(+)P(D1)(delta)(-)Chl(D1)) (673 nm) and (Chl(D1)(delta)(+)Phe(D1)(delta)(-

117 in Arabidopsis and specifically demethylates Chl catabolites at the level of FCCs in the cytosol.

118 are in agreement with a carotenoid-dependent Chl fluorescence quenching by direct interactions of LHC

119 is warranted when using empirically derived Chl to infer climate-related changes in ocean biology.

120 hows substantial errors in satellite-derived Chl for different phytoplankton assemblages.

121 tla mutants with a substantially diminished Chl antenna size.

122 It was found that, upon direct Chl excitation, the Chl-to-Chl energy transfer rate cons

123 types of chlorophylls (Chl a, b, d; divinyl-Chl a and b; and 8(1)-hydroxy-Chl a) and bacteriochlorop

124 In the current work, an in situ assay of DV Chl(ide) a accumulation, suitable for screening a large

125 f the excitonically coupled terminal emitter Chl trimer results in an increased sensitivity of the ex

126 he psbA4 gene, which we rename chlF, enables Chl f biosynthesis in Synechococcus sp. PCC 7002.

127 riven oxygenic photosynthesis by endolithic, Chl f-containing cyanobacteria within natural beachrock

128 this Chl a is presently unclear, an excited Chl a molecule is known to produce toxic singlet oxygen

129 it originated from dephytylation of existing Chl and not from the block in the Chl biosynthesis.

130 Chlorophyll f (Chl f) permits some cyanobacteria to expand the spectral

131 escence_R) and ANTHRG=log(Chl-fluorescence_R/Chl-fluorescence_G), based on the chlorophyll (Chl) fluo

132 For Chl breakdown, STAY-GREEN1 (SGR1) interacts with Chl cat

133 logous expression to identify the enzyme for Chl f synthesis.

134 electron transfer from (1*)Chl to PI to form Chl(+*)-PI(-*)-NDI and Chl(+*)-PI(-*)-NDI(2).

135 We frequently found Chl f and d along the photic zones of caves characterize

136 concentrations of different dEPS fractions, Chl a, and DOC.

137 In contrast, most of the fresh Chl is utilized for synthesis of PSI complexes likely to

138 states in this region dominantly arise from Chl b and demonstrate how it is possible to distinguish

139 to verify whether Chl f is synthesized from Chl a in the cyanobacterial species Halomicronema hongde

140 his method can accurately reproduce the full Chl emission spectra - capturing the spectral dynamics a

141 ) (NDI) secondary electron acceptors to give Chl-PI-NDI and Chl-PI-NDI(2).

142 he natural forms because individually a high Chl:C is beneficial in low light environments.

143 n of a trait benefiting the individual (high Chl:C(max), i.e., high antennae size) conflicts with art

144 lorophyll (Chl) per cell content, and higher Chl a/b ratio than corresponding wild-type strains.

145 lorophyll (Chl) per-cell content, and higher Chl a/b ratio than corresponding wild-type strains.

146 Nonnatives had significantly higher Chl, carotene, and anthocyanin concentrations than nativ

147 However, how Chl is distributed to photosystems under different light

148 b, d; divinyl-Chl a and b; and 8(1)-hydroxy-Chl a) and bacteriochlorophylls (BChl a, b, c, d, e, and

149 Intriguingly, we found that impaired Chl b biosynthesis in chlorina1-2 (ch1-2) led to prefere

150 seawater medium, the observed deuteration in Chl f indicated that Chl(ide) a is the precursor of Chl

151 lls and the formation of the formyl group in Chl f.

152 degrees S and with substantial increases in Chl a occurring farther south.

153 e oxidized by P680(+) and may have a role in Chl fluorescence quenching.

154 The broader climate plays a key role in Chl-a variability as the ocean colour anomalies parallel

155 The latitudinal variation in Chl a trends reflects shifting patterns of ice cover, cl

156 m space using passive methods (solar-induced Chl fluorescence, SIF) promise improved mapping of plant

157 Recent progress in observing sun-induced Chl fluorescence (SIF) provides an unprecedented opportu

158 by total organic matter, spectrally inferred Chl-a, diatom abundance, and carbon stable isotopic sign

159 Instead, Chl-a is estimated from remote sensing reflectance (R(RS

160 l a approximately 63% of annually integrated Chl a) declined by 12% along the WAP over the past 30 ye

161 Summertime surface Chl a (summer integrated Chl a approximately 63% of annually integrated Chl a) de

162 n each ambident triad enables intermolecular Chl metal-ligand coordination in dry toluene, which resu

163 mutant accumulated chlorophyllide, the last Chl precursor, we showed that it originated from dephyty

164 The relationship among leaf Chl, leaf optical properties, and photosynthetic biochem

165 2 function counteracts SGR1 activity in leaf Chl degradation; SGR2-overexpressing plants stayed green

166 ) accessions showing large variation in leaf Chl.

167 antify the impact of variation in leaf-level Chl on canopy-scale photosynthetic assimilation and iden

168 Because the reaction requires light, Chl f synthase is probably a photo-oxidoreductase that e

169 ic sample is transferred from dark to light, Chl a fluorescence (ChlF) intensity shows characteristic

170 THR=log(1/Chl-fluorescence_R) and ANTHRG=log(Chl-fluorescence_R/Chl-fluorescence_G), based on the chl

171 ts with artificial selection of a trait (low Chl:C(max)) of most benefit to production at the populat

172 rsus D2 branch) excitation asymmetry, making Chl(D1) the chromophore with the lowest site energy.

173 P(max)(b), maximum Chl normalized productivity, was 1.34 mg C.mg Chl(-1).h(

174 However, satellite sensors do not measure Chl-a directly.

175 C.mg Chl(-1).h(-1) outside and 1.49 mg C.mg Chl(-1).h(-1) inside the iron-enriched patch.

176 hl normalized productivity, was 1.34 mg C.mg Chl(-1).h(-1) outside and 1.49 mg C.mg Chl(-1).h(-1) ins

177 ch faster and synthesized significantly more Chl, as well as both photosystems.

178 oulder became undetectable at DV Chlide a/MV Chl a ratios less than 0.049, that is, at a DV Chlide a

179 t 459 nm over a wide range of DV Chlide a/MV Chl a ratios.

180 high irradiance, almost all labeled de novo Chl was localized in the trimeric PSI, whereas only a we

181 e bchJ mutant produces detectable amounts of Chl a(PD), BChl a(P), and BChl c(F), all of which have r

182 ifted phycobiliproteins and minor amounts of Chl d via far-red light photoacclimation in a range of c

183 A detailed analysis of Chl precursors in the ycf54 mutant revealed accumulation

184 trate that MES16 is an integral component of Chl breakdown in Arabidopsis and specifically demethylat

185 the primary drivers of the recent decline of Chl-a in the eastern North Pacific transition zone.

186 Statistical distributions of Chl(RS)-a were evaluated to determine a quantitative ref

187 influential factors on temporal dynamics of Chl-a.

188 nd 67 other mutants spanning the extremes of Chl to quantify the impact of variation in leaf-level Ch

189 vesting and the different functionalities of Chl a and Chl b.

190 mine the origin of the C2(1)-formyl group of Chl f and to verify whether Chl f is synthesized from Ch

191 e simulations indicate that the inability of Chl reductions to increase photosynthesis arises primari

192 e to synthesize PG, proved the inhibition of Chl biosynthesis caused by restriction on the formation

193 e absence of PG results in the inhibition of Chl biosynthetic pathway, which impairs synthesis of PSI

194 on of pheophorbide, an early intermediate of Chl breakdown, in vitro, but MES16 also demethylated an

195 Introduction of Chl f biosynthesis into crop plants could expand their a

196 we examined the kinetics of the labeling of Chl a and Chl f from H. hongdechloris grown in 50% D2O-s

197 Potential locations of Chl(+) and Car(+) species, and the pathways of secondary

198 analyzing multiple satellite observations of Chl-a and atmospheric conditions from National Center fo

199 alysis reflect a clear increasing pattern of Chl-a, a merging of the two seasonal phytoplankton bloom

200 shows that the selective photoexcitation of Chl results in intramolecular electron transfer from (1*

201 the biochemistry and molecular physiology of Chl f-containing cyanobacteria has been unraveled in cul

202 ndicated that Chl(ide) a is the precursor of Chl f Taken together, our results advance our understand

203 velopment disrupts the normal programming of Chl degradation, resulting in green seed at harvest and

204 t as polarizable units enhancing the rate of Chl-to-Chl energy transfer.

205 The ratio of Chl(+)/Car(+) is higher in the mutant core complexes, co

206 o NDI and subsequent charge recombination of Chl(+*)-PI-NDI(-*) and Chl(+*)-PI-(NDI)NDI(-*) on a 5-30

207 in substrate channeling and/or regulation of Chl biosynthesis but show that it is not a vinyl reducta

208 y control point in the overall regulation of Chl degradation, was affected by freezing.

209 Recent advances in the retrieval of Chl fluorescence from space using passive methods (solar

210 ethyl group present at the isocyclic ring of Chl.

211 ed charge transfer properties of a series of Chl-based donor-acceptor triad building blocks that self

212 ause of a C2(1)-formyl group substitution of Chl f However, the biochemical provenance of this formyl

213 ryotes, we hypothesize that the synthesis of Chl and PSI complexes are colocated in a membrane microd

214 The synthesis of Chl f (and Chl d) is part of an extensive acclimation pr

215 na, or dynamically expressed by synthesis of Chl f, red-shifted phycobiliproteins and minor amounts o

216 complexes in parallel with the synthesis of Chl in Synechocystis sp. PCC 6803 cells acclimated to di

217 ti-cyclonic eddies transfer nutrients and/or Chl-a to the open waters of the central Red Sea.

218 es had changing nutrients, stoichiometry, or Chl.

219 hich molecular orbitals are delocalized over Chl(D1) and Phe(D1) as well as one weaker oscillator str

220 f (bacterio)chlorophyll ((B)Chl): BChl a(P), Chl a(PD), and BChl c(F).

221 l with the G-quadruplex (G4) ligand PDS (PDS-Chl).

222 We demonstrated that PDS-Chl alkylates G4 structures at low muM concentrations, w

223 We observed that PDS-Chl selectively impairs growth in cells genetically defi

224 tabolic channeling of potentially phototoxic Chl breakdown intermediates.

225 hat the dynamics for states of predominately Chl b Q(y) versus Chl b Q(x) character are markedly diff

226 The lack of de novo-produced Chl under PG depletion was accompanied by a significantl

227 these bands to chlorophyll cation radicals (Chl(+)).

228 bunits are mostly synthesized using recycled Chl molecules previously released during PSII repair-dri

229 strain that exhibited significantly reduced Chl levels.

230 uld explore the possibility of using reduced Chl to improve canopy performance by adapting the distri

231 ing a role for SGR2 in negatively regulating Chl degradation by possibly interfering with the propose

232 ing antagonistically with pH, food resource (Chl) maintained copepod production in spite of low pH le

233 The Red Sea Chl-a depicts a distinct seasonality with maximum concen

234 Significant Chl fluorescence quenching of reconstituted LHC-II was o

235 ization of the excitation energy on a single Chl a pigment in the terminal emitter domain due to very

236 Because only some Chl-synthesizing organisms possess homologs of bciA, at

237 (HxCDD), and (vi) chlorine-related sources (Chl), all of which were still represented in the surface

238 to decrease the redox potential of specific Chl and Car cofactors.

239 y identified exciton-charge transfer states (Chl(D1) (+)Phe(D1) (-))* and (P(D2) (+)P(D1) (-))*.

240 Summertime surface Chl a (summer integrated Chl a approximately 63% of annu

241 nd earlier climate-change-driven signal than Chl-a.

242 oss-of-function experiments demonstrate that Chl serves as a BMP antagonist with functions that overl

243 -sensed synoptic observations highlight that Chl-a does not increase regularly from north to south as

244 observed deuteration in Chl f indicated that Chl(ide) a is the precursor of Chl f Taken together, our

245 ing to the mammalian CHL1 gene suggests that Chl may serve roles in zebrafish distributed between CHL

246 The Chl-to-Chl energy transfer rate constant for both comple

247 els of the cyclase component Sll1214 and the Chl biosynthesis enzymes Mg-protoporphyrin IX methyltran

248 tWSCP, that forms complexes with Chl and the Chl precursor chlorophyllide (Chlide) in vitro.

249 found that, upon direct Chl excitation, the Chl-to-Chl energy transfer rate constant for MFPCP was a

250 ene is too far (> or =14 Angstroms) from the Chl a for effective quenching of the Chl a triplet excit

251 ed that the tla2 strain was deficient in the Chl a-b light-harvesting complex, and had a Chl antenna

252 ed that the tla3 strain was deficient in the Chl a/b light-harvesting complex.

253 f existing Chl and not from the block in the Chl biosynthesis.

254 d replacement of magnesium (Mg) by Cd in the Chl molecules.

255 Charge recombination in the Chl-PI-NDI(2) cyclic tetramer (tau(CR) = 30 +/- 1 ns in

256 esidue niche influences the stability of the Chl a and one or both b hemes in the monomer of the b 6

257 ns the singlet excited state lifetime of the Chl a by a factor of 20-25 and thus significantly reduce

258 y positioned within approximately 4 A of the Chl a molecule, effectively quenching the triplet excite

259 ant in maintaining the short lifetime of the Chl a singlet excited state, thereby decreasing the prob

260 ansfer from the excited triplet state of the Chl a to oxygen molecules.

261 rom the Chl a for effective quenching of the Chl a triplet excited state.

262 s significantly reduces the formation of the Chl a triplet state.

263 assembly of the peripheral components of the Chl a-b light-harvesting antenna.

264 y quenching the triplet excited state of the Chl a.

265 a result of the structural adaptation of the Chl a/b binding LHCI peripheral antenna that not only ex

266 assembly of the peripheral components of the Chl a/b light-harvesting antenna.

267 resolved absorbance anisotropy values of the Chl Q y band.

268 ons show that the protein matrix renders the Chl(D1) -> Pheo(D1) charge-transfer the lowest energy ex

269 It is also reported that the Chl a molecule in the cytochrome b(6)f complex does not

270 vel/synthesis is tightly associated with the Chl biosynthetic pathway.

271 Among these Chl catabolic components, SGR1 acts as a key regulator o

272 Although the functional role of this Chl a is presently unclear, an excited Chl a molecule is

273 for improving canopy photosynthesis through Chl reduction.

274 mal energy dissipation, higher carotenoid to Chl ratio and de-epoxidation of the xanthophyll cycle.

275 from the peridinin excited singlet states to Chl.

276 The Chl-to-Chl energy transfer rate constant for both complexes was

277 that, upon direct Chl excitation, the Chl-to-Chl energy transfer rate constant for MFPCP was a factor

278 larizable units enhancing the rate of Chl-to-Chl energy transfer.

279 acclimated PSII activity PhiPSII , and total Chl).

280 further analyzed in various genotypes total Chl content and expression levels of senescence-related

281 whereas the HSPCP has six peridinins and two Chl a, but both have very similar pigment orientations.

282 erbolically with Chl, and saturated at ~1 ug Chl.

283 oreductase that employs catalytically useful Chl a molecules, tyrosine YZ, and plastoquinone (as does

284 nces in microalgal density affected variable Chl fluorescence parameters, where higher algal densitie

285 portant implications for the use of variable Chl fluorimetry in ecophysiological studies of coral str

286 or states of predominately Chl b Q(y) versus Chl b Q(x) character are markedly different, as excitati

287 and integrates not only changes to in-water Chl-a, but also alterations in other optically important

288 zed in the trimeric PSI, whereas only a weak Chl labeling in photosystem II (PSII) was accompanied by

289 However, weekly Chl-a seasonal succession data revealed that during the

290 When Chl a data were included a higher level of prediction wa

291 later phases of canola seed development when Chl should be cleared from the seed.

292 quenching by added NaN(3) depend on whether Chl or TMPyP was the photosensitizer.

293 -formyl group of Chl f and to verify whether Chl f is synthesized from Chl a in the cyanobacterial sp

294 ied, named AtWSCP, that forms complexes with Chl and the Chl precursor chlorophyllide (Chlide) in vit

295 s of Chls have been identified to date, with Chl f having the most red-shifted absorption maximum bec

296 g)(CarS1-Chl), that correlated directly with Chl fluorescence quenching.

297 ingestion rate increased hyperbolically with Chl, and saturated at ~1 ug Chl.

298 nopy photosynthesis should not increase with Chl reduction due to increases in leaf reflectance and n

299 breakdown, STAY-GREEN1 (SGR1) interacts with Chl catabolic enzymes (CCEs) and light-harvesting comple

300 A comparison (PERMANOVA) test with Chl/pH (2*2) design showed that partially overlapping OA