Results 161 to 170 of about 4,699 (195)

Targeted CRISPR Screens Reveal Genes Essential forCryptosporidiumSurvival in the Host Intestine

Watson LC, Sala KA, Bernitz N, Baumgärtel L, Pallett MA, Marzook NB, Straker LC, Peng D, Collinson L, Sateriale A.   +9 more
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Beta-Galactosidase of Helix pomatia

Nature, 1964
THE digestive juice of Helix pomatia contains a remarkable number of enzymes; many of them are carbohydrases, and they include an enzyme that hydrolyses lactose or β-methyl-galactoside1,2. This communication describes the properties and activities of the enzyme that hydrolyses o-nitrophenyl-β-D-galactopyranoside (ONPG).
Got R, A Marnay, P Jarrige, J Font
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ON THE ORIGIN OF THE CELLULASE AND CHITINASE OF HELIX POMATIA

Canadian Journal of Biochemistry and Physiology, 1963
Specimens of the snail Helix pomatia were fed for 2 days at room temperature after emergence from hibernation at 4° and total soluble protein, total units of cellulase activity towards carboxymethyl cellulose, and total units of chitinase activity towards glycol chitin were determined in the digestive juice, hepatopancreas, and intestinal wall ...
D. R. Whitaker, G A Stradine
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The Photooxidation of Helix pomatia Haemocyanin [PDF]

, 1977
Photooxidation with or without a sensitizer has been widely used in order to gather structural information on the active site in enzymes. Methylene blue-sensitized photooxidation of Murex trunoulus (Wood and Bannister, 1967, 1968) and Helix pomatia haemocyanin (Engelborghs et al., 1968) resulted in the parallel lowering of histidine content, oxygen ...
René Lontie, M. De Ley
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The exploitation of helix pomatia L.

Biological Conservation, 1975
Abstract The evidence at present available, although incomplete, gives rise to fears for the future of the edible snail Helix pomatia L. The scale of exploitation is increasing, particularly in Eastern Europe, to meet growing demand, mainly from the West.
E. Pollard, Joan M. Welch
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Decrease of the Copper Bands of Helix pomatia Hæmocyanin [PDF]

Nature, 1960
A STUDY of the absorption spectra of α- and β-haemocyanin of Helix pomatia indicated that the copper bands of α-haemocyanin, with their maxima at 346 and 580 mμ, are not quite reproducible1. As a continuous decrease of the copper-bands was liable to occur, the extinction of haemocyanin preparations has been followed over several months.
K Heirwegh, R Lontie
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The axon reflex in Helix pomatia

Biosystems, 1969
Abstract During the course of a study on the electrical properties of a neural network of Helix pomatia we came upon a phenomenon which has been called an axon reflex. An efferent spike which is generated by a giant neuron is followed by an afferent spike through the same or a parallel brench.
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