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Articles by Olivia Gräbner in JoVE
JoVE General
Methyltransferases की रूपरेखा और अन्य एस Adenosyl एल homocysteine बाध्यकारी प्रोटीन
1Department of Biochemistry / Analytics, caprotec bioanalytics GmbH, 2Institute of Organic Chemistry, RWTH Aachen University
कैद कम्पाउँड trifunctional छोटे कार्यात्मक पलटवाँ छोटे अणु प्रोटीन बातचीत तस्वीर crosslinking और शुद्धि द्वारा पीछा द्वारा proteome की जटिलता को कम करने के अणु होते हैं. हम यहाँ के साथ एक कैद यौगिक का उपयोग
Other articles by Olivia Gräbner on PubMed
ADHESION-DEPENDENT F-ACTIN PATTERN IN AMOEBA PROTEUS AS A COMMON FEATURE OF AMOEBAE AND THE METAZOAN MOTILE CELLS
Adhesion and movement of Amoeba proteus are both dependent on the appropriate arrangement of the F-actin cytoskeleton and on the presence of the cell nucleus. In this study the F-actin organization was examined by routine FITC-phalloidin staining and confocal laser microscopy in intact amoebae and in their nucleated and anucleated fragments, at different levels of cell adherence to the substratum. In the adhering and migrating intact cells and nucleated cell fragments dot-like aggregates of F-actin are scattered over the ventral side at sites close to the substratum. In the case of de-adhesion of nucleated specimens this pattern disappears and F-actin is accumulated in the cell centre and/or dispersed in the cytoplasm. The same actin distribution, without ventral dots, is found in the anucleated fragments which usually fail to attach to the substratum. Re-adhesion of anucleated fragments, induced by a modified substratum or spontaneous, is accompanied by restoration of actin dots at the lower cell side. It is concluded that: (1) adhering specimens of A. proteus display the same dot-like actin pattern on the ventral cell side, as many metazoan motile cells; (2) organization or disorganization of this pattern may occur independently of the presence of the cell nucleus, under the control of cell adhesion to the substratum. Copyright 1998 Academic Press Limited
[Effect of Environmental Supplementation of Iodine on Infant Mortality and Growth in Children in Xinjiang, China]
To study the effect of iodine supplementation on infant mortality and growth in Xinjiang.
