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High throughput genotyping for molecular breeding
Lindsay Dayton 한국육종학회 2012 한국육종학회 심포지엄 Vol.2012 No.07
The advances in marker technologies over the last two decades and particularly in the past few years have been astounding. These advances have meant that the accuracy and speed of obtaining results has been increasing while costs have been decreasing. Among the marker types, Single Nucleotide Polymorphisms (SNPs) have not only been proven to be the most reliable and cost-effective markers available, they are also the most abundant in plants, which is why they are the most widely used for genotyping. SNPs have been used as tools for a large number of plant breeding applications including: marker assisted selection, marker assisted backcrossing, genome wide association, fingerprinting, quality control and protection of intellectual property. In cases in which little sequence data are available for a species of interest, transcriptome or genome sequencing have also proven valuable for the discovery of SNPs. In this presentation a number of practical examples will help to elucidate several of the high throughput genotyping tools available for the plant breeding community in order to make agronomically better crops for the future.
Lindsay K. Elle,Raylene A. Reimer 한국식품영양과학회 2010 Journal of medicinal food Vol.13 No.5
A systematic evaluation of the effects of calcium (Ca) and protein source on food intake and taste aversion (TA) in rats is lacking. The purpose of this research was twofold: (1) to determine if Sprague-Dawley rats display TA to standard rat chow supplemented with 2.4% Ca and (2) to determine if short (24-hour) and long-term (weekly) food intake and weight gain are altered when rats are given access to diets containing various protein sources (casein, whey, dairy, or soy). Rats were assigned to one of two diet groups to examine high (2.4%) versus low (0.67%) Ca or to one of four groups to examine taste preference of diets where the sole protein was one of casein, soy, whey, or complete dairy. A crossover design was used to ensure rats consumed all test diets. Food intake and behavioral sequence of satiety were measured. There was no TA to the 2.4% Ca diet or to any protein source. Food intake did not differ between the two Ca diets or between the four protein diets. The dairy diet attenuated weekly weight gain compared to all other diets except whey. Overall, this study suggests that the levels of Ca and types of protein used in previous work addressing changes in body weight in rats do not influence food intake or trigger TA.
Biomaterial development for oral and maxillofacial bone regeneration
Lindsay S. Karfeld-Sulzer,Franz E. Weber 대한구강악안면외과학회 2012 대한구강악안면외과학회지 Vol.38 No.5
Many oral and maxillofacial bone defects are not self-healing. Guided bone regeneration (GBR), which uses a barrier membrane to prevent the soft tissues from invading the defect to enable slower-growing bone cells to penetrate the area, was developed as a therapy in the 1980s. Although there has been some success with GBR in some clinical situations, better treatments are needed. This review discusses the concept of GBR focusing on bioactive membranes that incorporate osteoconductive materials, growth factors and cells for improved oral and maxillofacial bone regeneration.