By N A G Johnson, I Russell
Complex examine into wool technological know-how and expertise is resulting in a greater realizing of the houses of wool. Wool is more and more being visible as a excessive functionality fibre, with new differences and functions. Advances in wool expertise offers a complete account of those advancements and options. half one contains advances that experience happened within the creation and processing of wool. subject matters variety from the growth in wool spinning, weaving and colouration, to environmental provide chain administration and to the function of genetic engineering in better wool creation. half stories new wool items and functions. Chapters comprise the construction of brighter and whiter wool, excessive functionality wool blends and wool for attire. With its uncommon editors and array of foreign individuals, this booklet might be a worthy reference for manufacturers, brands, shops and all these wishing to enhance and comprehend advancements in wool know-how. it is going to even be compatible for researchers in or academia.
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Extra resources for Advances in Wool Technology
WARD, K. A. (1994). Preventing hair loss in the mouse. Nature 371, 563–564. WARD, K. A. (2000). Transgene-mediated modifications to animal biochemistry. Trends Biotechnol 18, 99–102. WHEELER, M. B. (2007). Agricultural applications for transgenic livestock. Trends Biotechnol 25, 204–210. WILLIAMS, D. (2003). Sows’ ears, silk purses and goats’ milk: new production methods and medical applications for silk. Med Device Technol 14, 9–11. , and BRISSETTE, J. L. (2003). Ectodysplasin regulates pattern formation in the mammalian hair coat.
An innermost layer in each cell is the endocuticle. The proteins of the cuticle have been only partially characterised in the exocuticle that has two proteins identified as KAP-type proteins and related to the sulphur-rich KAPs of the matrix in the fibre cortex. Proteins of the endocuticle have not been identified but are usually regarded as cytoplasmic proteins that remain after cell differentiation. The exocuticle KAP proteins are crosslinked by disulphide bonds and produce a stiff protective covering © 2009 Woodhead Publishing Limited Improvement of wool production through genetic manipulation 13 for the fibre.
The other aspect considered for change was fibre elasticity and the route chosen for investigation was to attempt to convert the cortex to a predominantly orthocortical (‘soft’) type by increasing the level of one of the glycine/tyrosine-rich proteins or by increasing the proportion of KIFs in the cortex by co-expression of Type I and Type II wool KIF transgenes. These manipulations were shown by in situ hybridisation to achieve the expected expression of the proteins in the wool cortex. Furthermore, the presence of the expressed proteins could be visualised by electron microscopy except in the case of co-expression of the Type I and Type II genes.