نتایج جستجو برای: patterning
تعداد نتایج: 19343 فیلتر نتایج به سال:
Myosins are actin-based molecular motors that are found in almost all eukaryotes. Phylogenetic analysis allows the discrimination of 37 different types of myosins, most with unknown functions. Recent work in Drosophila has revealed a crucial role for type ID unconventional myosin in left-right asymmetry. Mutations in Myosin ID completely reverse the left-right axis (situs inversus), a phenotype...
BACKGROUND Wnt/beta-catenin signaling regulates many processes during vertebrate development, including patterning of the mesoderm along the dorso-ventral axis and patterning of the neuroectoderm along the anterior-posterior axis during gastrulation. However, relatively little is known about Wnt target genes mediating these effects. RESULTS Using zebrafish DNA microarrays, we have identified ...
The three papers presented by Noden, Thorogood and Lumsden in this session encompassed the connective tissues as broadly defined, i.e. soft (fibrous) connective tissue, cartilage, bone, muscle and the dental tissues, enamel and dentine, and utilized a variety of experimental techniques on both avian and mammalian embryos to explore specificity and patterning of the vertebrate head. Whether simi...
Cell manipulation is imperative to the areas of cellular biology and tissue engineering, providing them a useful tool for patterning cells into cellular patterns for different analyses and applications. This paper presents a novel approach to perform three-dimensional (3D) cell manipulation and patterning with a multi-layer engineered scaffold. This scaffold structure employed dielectrophoresis...
The three papers presented by Noden, Thorogood and Lumsden in this session encompassed the connective tissues as broadly defined, i.e. soft (fibrous) connective tissue, cartilage, bone, muscle and the dental tissues, enamel and dentine, and utilized a variety of experimental techniques on both avian and mammalian embryos to explore specificity and patterning of the vertebrate head. Whether simi...
The balance between cell proliferation and cell differentiation is essential for leaf patterning. However, identification of the factors coordinating leaf patterning and cell growth behavior is challenging. Here, we characterized a temperature-sensitive Arabidopsis mutant with leaf blade and venation defects. We mapped the mutation to the sub-2 allele of the SCRAMBLED/STRUBBELIG (SCM/SUB) recep...
Because the plant epidermis is readily accessible and consists of few cell types on most organs, the epidermis has become a well-studied model for cell differentiation and cell patterning in plants. Recent advances in our understanding of the development of three epidermal cell types, trichomes, root hairs, and stomata, allow a comparison of the underlying patterning mechanisms. In Arabidopsis,...
Laser interference patterning or lithography has been used in variety of the applications using, patterning, masking and processing structures at top material. It offers fast over as large areas can be processed simultaneously. Additionally, fine patterns are possible to achieve both micro sub-micro scale. In this manuscript is presented novel concept combine high-pressure environment. With aid...
BACKGROUND Relative body weight is typically inversely associated with social status in affluent societies but studies comparing the social patterning of relative body weight and obesity in different countries have only seldom been conducted. The aim of this study was to analyse and compare the social patterning of relative weight and obesity by occupational status, educational attainment and m...
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