Genetic similarity

Xem 1-20 trên 84 kết quả Genetic similarity
  • The present study aimed to test the utility of RAPD (randomly amplified polymorphic DNA) and cpSSR (simple sequence repeats) markers for in situ gene conservation programs for fir species, as well as for determining the genetic similarities between the Abies nordmanniana Spach species complex (A. nordmanniana, A. bornmuelleriana Matff., A. equi-trojani (Asch. & Sint. ex Boiss) Mattf.) and between populations of A. equi-trojani, which is a narrow-endemic to Turkey.

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  • Random Amplified Polymorphic DNA (RAPD) markers were used to evaluate genetic similarity and interrelationship among 18 citrus cultivars, including 13 species and 5 hybrids. Out of 40 decamer primers screened, 25 were selected which produced 250 markers of which 231 were polymorphic and some species or cultivar specific RAPD markers.

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  • Life on Earth originated and then evolved from a universal common ancestor approximately 3.7 billion years ago. Repeated speciation and the divergence of life can be inferred from shared sets of biochemical and morphological traits, or by shared DNA sequences. These homologous traits and sequences are more similar among species that share a more recent common ancestor, and can be used to reconstruct evolutionary histories, using both existing species and the fossil record. Existing patterns of biodiversity have been shaped both by speciation and by extinction....

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  • Many disorders exhibit the feature of locus heterogeneity, which refers to the fact that mutations in different genes can cause phenotypically similar disorders. For example, osteogenesis imperfecta (Chap. 357), long QT syndrome (Chap. 226), muscular dystrophy (Chap. 382), homocystinuria (Chap. 358), retinitis pigmentosa (Chap. 29), and hereditary predisposition to colon cancer (Chap. 87) or breast cancer (Chap. 86) can each be caused by mutations in distinct genes.

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  • This book is about the conservation of genetic diversity of wild plants in situ in their natural surroundings, primarily in existing protected areas but also outside conventional protected areas. A lot of effort has been dedicated to conserving plant biodiversity, but most of this has focused on rare plant communities or individual species threatened with extinction.

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  • While most autosomal dominant inherited cancer syndromes are due to mutations in tumor-suppressor genes (Table 79-1), there are a few interesting exceptions. Multiple endocrine neoplasia type II, a dominant disorder characterized by pituitary adenomas, medullary carcinoma of the thyroid, and (in some pedigrees) pheochromocytoma, is due to gain-of-function mutations in the protooncogene RET on chromosome 10. Similarly, gain-of-function mutations in the tyrosine kinase domain of the MET oncogene lead to hereditary papillary renal carcinoma.

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  • Transgenic Mice as Models of Genetic Disease Several organisms have been studied extensively as genetic models, including Mus musculus (mouse), Drosophila melanogaster (fruit fly), Caenorhabditis elegans (nematode), Saccharomyces cerevisiae (baker's yeast), and Escherichia coli (colonic bacterium). The ability to use these evolutionarily distant organisms as genetic models that are relevant to human physiology reflects a surprising conservation of genetic pathways and gene function.

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  • Chapter 1 - Genetics: The study of biological information. This chapter includes contents: DNA - The fundamental information molecule of life, proteins: the functional molecules of life processes, complex systems and molecular interactions, molecular similarities of all life-forms, the modular construction of genomes, modern genetic techniques, human genetics.

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  • The intergroup gene differentiation was high (GST = 0.0499) with the genetic distance among groups was 0.0298. The similarity coefficient among mature individuals was more moderate (Maximum = 0.873, Minimum = 0.614 and Average = 0.741) than among young individuals (Maximum = 0.916, Minimum = 0.596 and Average = 0.759). Otherwise, the number of discovered individuals was small, distribution area is narrow habitats, and the population showed the reduction in genetic diversity due to the human affects in the habitat and over-exploitation.

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  • An in vitro propagation method was established for both male and female genotypes of lentisk using actively growing shoot tips derived from forcefully lignified shoots. The effects of growth regulators on in vitro morphogenesis were investigated.

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  • The same genotypes were also assessed in field conditions for structural analyses, which were carried out based on eight yield components. The dendrogram created was comparatively analyzed with the RAPD dendrogram. There were differences between genetic and phenotypic similarity of the studied accessions.

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  • The aim of this study was to evaluate the morphological, chemical, and genetic similarity of species belonging to the genus Gypsophila L. The analysis included 7 Gypsophila species with potential use in the pharmaceutical industry for saponin production.

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  • Little is known about the taxonomic relationships of the genus Onobrychis (Fabaceae). To study inter- and intraspecific variations and the relationships among the species, 102 accessions (33 species) of the genus Onobrychis were evaluated using 22 intersimple sequence repeat (ISSR) markers.

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  • The RAPD profile of the regenerated plants showed similar banding patterns to that of the mother plant thus demonstrating the homogeneity of the micropropagated plants. This protocol could be successfully used for the mass multiplication and germplasm conservation of this medicinal plant.

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  • This book provides an comprehension on a large range of aquaculture connected subjects. The guide chapters are prepared by top specialists in their respective regions. This e-book will be similarly beneficial for students and pros in aquaculture and biotechnology. The e-book is organized in 4 sections. The initial part discusses fish nourishment 2nd area is considers the application of genetic in aquaculture area 3 takes a search at existing methods for controlling lipid oxidation and melanosis in Aquaculture merchandise.

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  • Cell biology studies the structural and physiological properties of cells, including their behaviors, interactions, and environment. This is done on both the microscopic and molecular levels, for single-celled organisms such as bacteria as well as the specialized cells in multicellular organisms such as humans. Understanding the structure and function of cells is fundamental to all of the biological sciences. The similarities and differences between cell types are particularly relevant to molecular biology....

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  • Propofol is very lipid soluble, has a large volume of distribution, and can be given for prolonged periods of time without significant changes in its pharmacokinetic profile. Because propofol has no active metabolites, the termination of its clinical effect is dependent solely on redistribution to peripheral fat tissue stores. When the infusion is discontinued, the fat tissue stores redistribute.

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  • Our setup allows us to disentan- gle the implications of these two alternative pricing mechanisms that are standard in the open-economy macro literature. In our model, di®erent assumptions regarding the pricing decisions of ¯rms are virtually inconsequential for the properties of aggregate variables, other than the terms of trade. In particular, the real exchange rate and the international relative price of ¯nal tradable goods behave similarly across the two price setting regimes.

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  • Yet the shift towards health-systems strengthening and its support through the International Health Partnership (IHP+) and other related initiatives offer a framework within which SRH may be more broadly addressed. The support offered to ministries of health by the UNFPA and WHO country offices has been marked by greater collaboration and a stronger functional focus. This has been achieved through harmonization of activities in the United Nations Development Assistance Framework, and by practical engagement of technical working groups and similar structures for SRH.

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  • The metabolic assay results indicated that vitrified tissue had viability similar to fresh controls. More recent study with tissue-engineered blood vessels using polyglycolic acid scaffold showed that ice formation in tissue-engineered blood vessels was negligible in the vitrified specimens but extensive (68.3 + 4.5% of vessel area) in the extracellular matrix of frozen specimens. The vitrified tissue had a viability similar to fresh controls and the contractility results for vitrified samples were 82.7% of fresh controls but markedly reduced in the frozen samples (10.

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