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野生经济植物资源橡籽仁可利用价值的研究   总被引:2,自引:0,他引:2  
以京白种鸡作鸡作试验动,以玉米、稻谷作对照,采用鸡真代谢能(TME)法研究野生经济植物资源橡胶籽仁的可利用营养价值。结果表明,橡籽仁1kg含量总能(GE)16.53MJ,表观代谢能(AME)11.13MJ,真代谢能(TME)11.66MJ,,含粗蛋白(CP)10.63%,CP的表观利用率(CPAA)45.55%,真利用率(CPTA)49.83%,17种氨基酸(AA)总含量9.23%,必需氨基酸(E  相似文献   

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Genetical genomics: the added value from segregation.   总被引:39,自引:0,他引:39  
The recent successes of genome-wide expression profiling in biology tend to overlook the power of genetics. We here propose a merger of genomics and genetics into 'genetical genomics'. This involves expression profiling and marker-based fingerprinting of each individual of a segregating population, and exploits all the statistical tools used in the analysis of quantitative trait loci. Genetical genomics will combine the power of two different worlds in a way that is likely to become instrumental in the further unravelling of metabolic, regulatory and developmental pathways.  相似文献   

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ABSTRACT: The genome sequence of tomato (Solanum lycopersicum), one of the most important vegetable crops, has recently been decoded. We address implications of the tomato genome for plant breeding, genomics and evolutionary studies, and its potential to fuel future crop biology research.  相似文献   

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This comprehensive volume brings together the expertise of internationallyacclaimed experts in the areas of quantitative genetics, genomicsand bioinformatics, applied to improve crops’ performanceand to further our understanding of the intricacies of the genotypeby environment (G x E) interaction. The complexity of the subjectarea dealt with by the book has been masterfully dissected andskillfully presented in a number of revealing chapters, providingthe  相似文献   

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植物功能基因组研究方法及进展   总被引:4,自引:0,他引:4  
随着植物功能基因组研究的深入,T-DNA标签、转座子标签、反义RNA技术、基因敲除、基因陷阱和TILLING技术等多种研究方法获得了建立,并随着植物功能基因组学的不断发展而进一步完善.综述了各类研究方法的原理,并对这些方法的优缺点进行了比较与分析.  相似文献   

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Recent report reviews and funding initiatives in the field of plant genomic research are considered in the context of their translation into practical and economic value via plant breeding. It is concluded that there is a deficit in investment and that a change in working styles towards knowledge sharing and connectivity is required.  相似文献   

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Meyers-Wallen VN 《Theriogenology》2006,66(6-7):1655-1658
The genomic revolution is beginning to facilitate advances in canine and feline medicine, as illustrated in our research. Our studies are focused upon identifying the gene mutation that causes canine Sry-negative XX sex reversal, a disorder of sex determination in which chromosomal females (78,XX) develop testicular tissue, becoming either XX true hermaphrodites with ovotestes, or XX males with bilateral testes. A genome-wide screen, using mapped markers in our pedigree of Sry-negative XX sex reversed dogs founded upon the American cocker spaniel, identified five chromosomal regions in which the causative gene may be located. The canine genome was used to identify the canine homologue of goat Pisrt1 and so determine that canine and caprine Sry-negative XX sex reversal are genetically heterogeneous. A second goal of our research is to determine the molecular mechanism by which the mutation causes testis induction. Thus far, we have reported gonadal Sry and Sox9 expression patterns in normal embryos, which have temporal and spatial patterns similar to those reported in humans, sheep, and pigs. Once gene mutations causing such inherited disorders are identified, DNA tests will become a part of general veterinary practice, advancing both diagnostic techniques and preventative medicine.  相似文献   

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