(n.) A turning; a time; -- chiefly used in phrases signifying that the part is to be repeated one, two, or more times; as, una volta, once. Seconda volta, second time, points to certain modifications in the close of a repeated strain.
Example Sentences:
(1) There are several fish, including the acari, that are unique to the Volta Grande (Big Bend) where the hydropower plant is being constructed.
(2) Mutants of Methanococcus voltae were isolated that were resistant to the coenzyme M (CoM; 2-mercaptoethanesulfonic acid) analog 2-bromoethanesulfonic acid (BES).
(3) A DNA fragment from the methanogenic archaebacterium Methanococcus voltae, when cloned into the PstI site of the plasmid vector pBR322, complements the Escherichia coli argG mutation strongly or weakly depending on its orientation.
(4) The sequence of the gene cluster encoding the methyl coenzyme M reductase (MCR) in Methanococcus voltae was determined.
(5) Between April 1977 and June 1978, 214 babies born of 210 mothers infected with Onchocerciasis, were examined at the maternity of Po Hospital (Upper Volta).
(6) Occasional reports have been received from parts of West Africa, and the present investigation sought to clarify the situation in two areas, Ouagadougou, Upper Volta, and Kpain, Liberia, from which such reports had emanated.
(7) A methylviologen and 8-hydroxy-5-deazaflavin(F420)-reducing hydrogenase was purified over 800-fold to near homogeneity from the archaebacterium Methanococcus voltae with 10 U mg-1 F420-reducing activity.
(8) Urinary schistosomiasis is highly prevalent along the shores of the Volta Lake in Ghana, where transmission occurs focally in man-water contact sites.
(9) March 2011 Volta a Catalunya Later that month, Contador follows up his success in Murcia with victory in Catalunya.
(10) Two controlled experiments on the field of the group A polysaccharidic antimeningococcic vaccine in the Koudougou (Haute-Volta) and Koutiala (Mali) areas confirmed its efficiency and innocuity, the conferred immunity persisting two years at least.
(11) This yaws investigation has been realized in the South West of Upper-Volta, in 1981, in areas around Gaoua, Niangoloko, N'Dorola; this investigation concerns 15 villages, chosen at random, and a sample of 1540 persons older than 4 years.
(12) A simple force-of-infection model for onchocerciasis has been developed for a study of the age-specific epidemiological trends during a period of vector control in the Onchocerciasis Control Programme in the Volta River basin area (OCP).
(13) Human streptocerciasis has been found in the Accra district (Ghana), in southern Ivory Coast, and in Upper Volta in migrants.
(14) M. voltae contains a membrane component that is immunologically related to the H(+)-translocating ATP synthase of the archaeabacterium Sulfolobus acidocaldarius.
(15) Sequencing the DNA (2,155 base pairs) cloned from this thermophilic methanogen demonstrated that the M. thermolithotrophicus hisA gene is located within a cluster of open reading frames (ORFs) and is 68 and 69% homologous at the nucleotide level to the hisA genes of the mesophilic methanococci M. voltae and M. vannielii, respectively.
(16) The ultrastructure and chemical composition of the cell wall of the marine archaebacterium Methanococcus voltae were studied by negative-staining and freeze-etch electron microscopy and by sodium dodecyl sulfate-polyacrylamide gel electrophoresis.
(17) Extracts of M. volta were found to readily cleave L-7,8-dihydroneopterin to 7,8-dihydro-6-(hydroxymethyl)pterin, which was confirmed to be a precursor of the pterin portion of the methanopterin.
(18) This in turn caused massive migrations from countries such as Burkina Faso (Upper Volta) to Ivory Coast.
(19) M. voltae ORFtrpA and ORFtrpB, which are transcribed in the same direction, are separated by a 37 bp AT-rich region.
(20) Based on the degree of hisA sequence homology, we conclude that M. voltae and M. vannielii are less closely related taxonomically than are members of the enteric group of eubacteria.