130,593 research outputs found
Accumulation of processing intermediates of the RAS2 protein in strain 112 of Saccharomyces cerevisiae.
No full text
A study of the Sybil Chant and its dramatic performance in the Spanish Church (ninth to sixteenth centuries)
No full textThis study encompasses the development of the Sibyl Chant in
Spain from its early beginnings within the liturgy as a musical piece,
through its growth into a dramatic ceremony associated with the Play of
the Prophets, its move from Latin into the vernacular and details of its
performance, to its formal abolition in the sixteenth century.
The Latin Sibylline poem, Judicii siqnum, which first appears in
St. Augustine's City of God and the sermon Contra Judaeos, Paganos; et
Arianos, prophesies the events on Judgement Day. Its entry into the
liturgy in Spain is examined in the first chapter which, drawing on
hitherto undiscovered examples of the chant from the ninth century to the
fifteenth, concludes that, although the text of the chant my have been
known within the Hispanic rite, its music is a product of French
ecclesiastical influence. With its establishment within the liturgy and
subsequent dissemination across the Peninsula by the house of Cluny, it
was sung in almost every cathedral city until the sixteenth century as
part of the sixth or ninth lesson of Christmas Matins. The second chapter
traces its development into a dramatic ceremony in the fifteenth century.
A study of known texts from Catalonia, and hitherto unknown examples of
the sermon with rubrics indicating dramatic activity from an early date
in Castile, concludes that the Sibyl ceremony was a product of the Ordo
Prophetarum. From the thirteenth century, the Latin of the chant was
often superceded by the vernacular. A comparison, in the third chapter,
of Catalan and Castilian versions reveals that they owe little to the
Judicii siqnum, and Provengal examples which have been considered their
Source, and a Catalan troubadour influence is argued. The final chapter
explores the practice of the Sibyl ceremony, with details of its
performance: its liturgical position, costume, staging, attendant
practices and final prohibition
In rice, Oryzalin and abscisic acid differentially affect tubulin mRNA and protein levels
No full textThe effect of the anti-microtubular drug Oryzalin (3,5-dinitro-N4,N4-dipropylsulfanilamide) on growth and elongation of rice (Oryza sativa L. cv. Arborio) roots and coleoptiles was investigated. At 100 nM, Oryzalin strongly reduced primary root elongation, caused loss of cell anisotropy and the disappearance of the cortical microtubule array. Under these conditions the amounts of alpha- and beta-tubulin protein, but not mRNA, were heavily reduced. Similar data were also obtained in coleoptile segments treated with different concentrations of Oryzalin. However, when coleoptile elongation was inhibited by cis-abscisic acid, remarkable decreases in alpha- and beta-tubulin accumulation were observed to occur at the mRNA level but not at the protein level. The transcriptional decreases could be reversed by re-addition of 3-indole acetic acid. Altogether, these data indicate that rice tubulin accumulation can be controlled at different levels, mRNA or protein, in response to Oryzalin or abscisic acid treatments
Calcite frequency splitter for high-density wavelength-division-multiplexing transmission
No full textReplication pattern of human repeated DNA sequences
No full textEither aphidicolin- or thymidine-synchronized human HL-60 cells were used to study the replication pattern of a family of human repetitive DNA sequences, the Eco RI 340 bp family (alpha RI-DNA), and of the ladders of fragments generated in total human DNA after digestion with XbaI and HaeIII (alpha satellite sequences). DNAs replicated in early, middle-early, middle-late and late S periods were labelled with BUdR or with [3H]thymidine. The efficiency of the cell synchronization procedure was confirmed by the transition from a high-GC to a high-AT average base composition of the DNA synthesized going from early to late S periods. By hybridizing EcoRI 340 bp repetitive fragments to BUdR-DNAs it was found that this family of sequences is replicated throughout the entire S period. Comparing fluorograph densitometric scans of [3H]DNAs to the scans of ethidium bromide patterns of total HL-60 DNA digested with XbaI and HaeIII, it was observed that DNA synthesized in different S periods is characterized by approximately the same ladder of fragments, while the intensity of each band may vary through the S phase; in particular, the XbaI 2.4 kb fragment becomes undetectable in late S
Calcite frequency splitter for dense WDM transmitter
No full textAn optical frequency splitter employing calcite crystals is demonstrated, to be inserted as a demultiplexer in a multimode transmitting stage for dense WDM architectures. The device operates on the optical state of polarization and is designed to separate four optical channels, /spl ap/39 GHz apart around /spl lambda/=1.5 /spl mu/m. More than 28 dB of rejection between channels is achieved, while keeping overall losses level below 1 dB. Theoretical calculations and experimental results are presented
De Breviario Augusti Imp. / Præside Jo. Christiano Neu, Historiarum, Eloq. ac Poeseos Professore Publ. Ord. Ordinis Philosophici h. t. Decano, Pro Gradu Magisterij Philosophici ritè capessendo, disseret Joannes Michael Klaiber/ Kircho-Teccensis. Ad. D. [] Martij MDCCIX.
No full textDE BREVIARIO AUGUSTI IMP. / PRÆSIDE JO. CHRISTIANO NEU, HISTORIARUM, ELOQ. AC POESEOS PROFESSORE PUBL. ORD. ORDINIS PHILOSOPHICI H. T. DECANO, PRO GRADU MAGISTERIJ PHILOSOPHICI RITÈ CAPESSENDO, DISSERET JOANNES MICHAEL KLAIBER/ KIRCHO-TECCENSIS. AD. D. [] MARTIJ MDCCIX.
De Breviario Augusti Imp. / Præside Jo. Christiano Neu, Historiarum, Eloq. ac Poeseos Professore Publ. Ord. Ordinis Philosophici h. t. Decano, Pro Gradu Magisterij Philosophici ritè capessendo, disseret Joannes Michael Klaiber/ Kircho-Teccensis. Ad. D. [] Martij MDCCIX. (1)
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