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3 results on '"Mérit, X."'

1. Inter-island differentiation of Leptotes (Cyclyrius) webbianus (Brullé, 1839) in the Canary Islands (Spain), with description of two new subspecies from La Palma and Gran Canaria (Lepidoptera: Lycaenidae)

Author

Mérit, X., Manil, L., Vila, R., Wiemers, Martin, Mérit, X., Manil, L., Vila, R., and Wiemers, Martin

Abstract

Phenotypic and molecular genetic analyses of the Canary Islands' endemic Leptotes (Cyclyrius) webbianus (Brullé, 1839) reveal new subspecies in La Palma and in Gran Canaria, both differentiated from the nominotypical subspecies found in Tenerife and La Gomera. On El Hierro, the current population turned out to be a recent reintroduction from Tenerife or La Gomera, whereas the original population reported more than a hundred years ago seems to have become extinct.

Published
2017

3. Aspergillus niger G proteins: subcellular localization.

Author

Mérit X, Frot-Coutaz J, Got R, and Létoublon R

Subjects
Cell Membrane chemistry, Cytosol chemistry, Endoplasmic Reticulum chemistry, Subcellular Fractions chemistry, Aspergillus niger chemistry, GTP-Binding Proteins isolation & purification
Abstract

Aspergillus niger postmitochondrial fraction, which contains high GTPase activity and high GTP binding capacity, has been subjected to subcellular fractionation on a sucrose gradient. A cytosolic and four membranous populations have been separated according to their relative density. The main difficulty has been the characterization of the plasma membrane of the fungus. This fraction, which does not contain any typical enzyme, has been identified after iodination of the outer proteins of protoplasts from A. niger. The immunological detection has shown the occurrence of cytosolic G proteins and membranous small G proteins located not only in the plasma membrane but also in the membranes of the endoplasmic reticulum.

Published
1992
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