Genomes and Genes
Experts and Doctors on light harvesting protein complexes in France
Topic: light harvesting protein complexes
- Khandal D, Samol I, Buhr F, Pollmann S, Schmidt H, Clemens S, et al. Singlet oxygen-dependent translational control in the tigrina-d.12 mutant of barley. Proc Natl Acad Sci U S A. 2009;106:13112-7 pubmed publisher..At later stages, ribosome dissociation occurred. Together, our results identify translation as a major target of singlet oxygen-dependent growth control and cell death in higher plants. ..
- Hutin C, Havaux M, Carde J, Kloppstech K, Meiherhoff K, Hoffman N, et al. Double mutation cpSRP43--/cpSRP54-- is necessary to abolish the cpSRP pathway required for thylakoid targeting of the light-harvesting chlorophyll proteins. Plant J. 2002;29:531-43 pubmed..Phenotypic analysis of the double mutant, compared to the single mutants, suggests that the cpSRP subunits cpSRP43 and cpSRP54 contribute to antenna targeting in an independent but additive way. ..
- Joet T, Cournac L, Horvath E, Medgyesy P, Peltier G. Increased sensitivity of photosynthesis to antimycin A induced by inactivation of the chloroplast ndhB gene. Evidence for a participation of the NADH-dehydrogenase complex to cyclic electron flow around photosystem I. Plant Physiol. 2001;125:1919-29 pubmed..The absence of visible phenotype in ndhB- plants under normal conditions is explained by the complement of these two pathways in the supply of extra-ATP for photosynthesis. ..
- Corellou F, Schwartz C, Motta J, Djouani Tahri E, Sanchez F, Bouget F. Clocks in the green lineage: comparative functional analysis of the circadian architecture of the picoeukaryote ostreococcus. Plant Cell. 2009;21:3436-49 pubmed publisher..The emergence of functional genomics in a simple green cell with a small genome may facilitate increased understanding of how complex cellular processes such as the circadian clock have evolved in plants. ..
- De Rivoyre M, Ginet N, Bouyer P, Lavergne J. Excitation transfer connectivity in different purple bacteria: a theoretical and experimental study. Biochim Biophys Acta. 2010;1797:1780-94 pubmed publisher..We argue that the limited core to core connectivity found in purple bacteria may reflect a trade-off between light-harvesting efficiency and the hindrance to quinone diffusion that would result from too tightly packed LH complexes. ..
- Premvardhan L, Bordes L, Beer A, Büchel C, Robert B. Carotenoid structures and environments in trimeric and oligomeric fucoxanthin chlorophyll a/c2 proteins from resonance Raman spectroscopy. J Phys Chem B. 2009;113:12565-74 pubmed publisher..Importantly, the identification of 5-6 Fx's per FCP monomer suggests that there may be more than the four Fx's previously assumed per FCP monomer, or else there is definite heterogeneity in Fx structures and/or binding sites. ..
- Six C, Thomas J, Garczarek L, Ostrowski M, Dufresne A, Blot N, et al. Diversity and evolution of phycobilisomes in marine Synechococcus spp.: a comparative genomics study. Genome Biol. 2007;8:R259 pubmed..Genomes of eleven marine Synechococcus strains recently became available with one to four strains per pigment type or subtype, allowing an unprecedented comparative genomics study of genes involved in phycobilisome metabolism...
- Bretaudeau A, Coste F, Humily F, Garczarek L, Le Corguillé G, Six C, et al. CyanoLyase: a database of phycobilin lyase sequences, motifs and functions. Nucleic Acids Res. 2013;41:D396-401 pubmed publisher..This resource should be useful to scientists and companies interested in natural or artificial PBPs, which have a number of biotechnological applications, notably as fluorescent markers. ..
- Gonçalves R, Bernadac A, Sturgis J, Scheuring S. Architecture of the native photosynthetic apparatus of Phaeospirillum molischianum. J Struct Biol. 2005;152:221-8 pubmed..blasticus, and Blastochloris viridis...
- Scheuring S, Sturgis J. Chromatic adaptation of photosynthetic membranes. Science. 2005;309:484-7 pubmed..Such structural adaptation ensures efficient photon capture under low-light conditions and prevents photodamage under high-light conditions...
- Comayras F, Jungas C, Lavergne J. Functional consequences of the organization of the photosynthetic apparatus in Rhodobacter sphaeroides. I. Quinone domains and excitation transfer in chromatophores and reaction center.antenna complexes. J Biol Chem. 2005;280:11203-13 pubmed..We suggest that the crowding of membrane proteins may not be the sole reason for quinone confinement and that a quinone-rich region is formed around the RC.LH1 complexes...
- Garczarek L, Hess W, Holtzendorff J, van der Staay G, Partensky F. Multiplication of antenna genes as a major adaptation to low light in a marine prokaryote. Proc Natl Acad Sci U S A. 2000;97:4098-101 pubmed publisher..Thus, the multiplication of pcb genes appears as a key factor in the capacity of deep Prochlorococcus populations to survive at extremely low photon fluxes...
- Tzvetkova Chevolleau T, Hutin C, Noël L, Goforth R, Carde J, Caffarri S, et al. Canonical signal recognition particle components can be bypassed for posttranslational protein targeting in chloroplasts. Plant Cell. 2007;19:1635-48 pubmed
- Havaux M, Dall Osto L, Bassi R. Zeaxanthin has enhanced antioxidant capacity with respect to all other xanthophylls in Arabidopsis leaves and functions independent of binding to PSII antennae. Plant Physiol. 2007;145:1506-20 pubmed..The capacity of zeaxanthin to protect thylakoid membrane lipids is comparable to that of vitamin E but noticeably higher than that of all other xanthophylls of Arabidopsis leaves. ..
- Scheuring S, Gonçalves R, Prima V, Sturgis J. The photosynthetic apparatus of Rhodopseudomonas palustris: structures and organization. J Mol Biol. 2006;358:83-96 pubmed..The localization of the W-subunit is not restricted to the periapsis of the core-complex but randomly located with respect to the RC imposed axis...
- Lapouge K, Näveke A, Gall A, Ivancich A, Seguin J, Scheer H, et al. Conformation of bacteriochlorophyll molecules in photosynthetic proteins from purple bacteria. Biochemistry. 1999;38:11115-21 pubmed..The molecular conformations of the pigments are very similar in all the antenna complexes investigated...
- Alric J. In vivo carotenoid triplet formation in response to excess light: a supramolecular photoprotection mechanism revisited. Photosynth Res. 2005;83:335-41 pubmed..This accounts for the widespread use of carotenoids among phototrophic prokaryotes and emphasizes their essential protective role in the natural environment...
- Scheuring S, Levy D, Rigaud J. Watching the components of photosynthetic bacterial membranes and their in situ organisation by atomic force microscopy. Biochim Biophys Acta. 2005;1712:109-27 pubmed
- Cournac L, Latouche G, Cerovic Z, Redding K, Ravenel J, Peltier G. In vivo interactions between photosynthesis, mitorespiration, and chlororespiration in Chlamydomonas reinhardtii. Plant Physiol. 2002;129:1921-8 pubmed..We conclude that the plastid oxidase, similar to the mitochondrial alternative oxidase, becomes significantly engaged when the PQ pool becomes highly reduced, and thereby prevents its over-reduction...
- Guyoneaud R, Borrego C, Martínez Planells A, Buitenhuis E, Garcia Gil L. Light responses in the green sulfur bacterium Prosthecochloris aestuarii: changes in prosthecae length, ultrastructure, and antenna pigment composition. Arch Microbiol. 2001;176:278-84 pubmed..The morphological, ultrastructural and functional changes exhibited by Prosthecochloris aestuarii revealed the strong light-response capacity of this bacterium to both high and low photon-flux densities. ..