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135 results for “genotype”
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Research ArticleOpen accessIn the abstractPolymorphism of Insulin-Like Growth Factor 1 Gene in Najdi Cattle PopulationsAhmad Yazdanpanah, Khalil Mirzadeh, Morteza Mamouei et al.The Insulin-like Growth Factor 1 (IGF-1) system plays a critical endocrine role controlling nutrient metabolism in dairy cattle and it is a group of structurally-related polypeptides that regulate the growth of many types of mammalian cells. In liver, IGF-1 is dynamically regulated by lactation and energy balance. Less is known about the regulation of IGF-1 and IGF-binding protein mRNA in … …American Journal of Biochemistry and Biotechnology, Vol. 9, Issue 3 · 21 Sep 2013 · 7,154 accessesView PDFCite
Research ArticleOpen accessIn the abstractVariability and Genetic Structure in a Commercial Field of Tequila Plants, Agave tequilana Weber (Agavaceae)Martha Isabel Torres-Moran, Ana Paulina Velasco-Ramirez, Salvador Antonio Hurtado-de la Pena et al.Crops of the tequila plant (Agave tequilana) are produced mainly from offshoots of mother plants in established commercial fields. This propagation method is significant, as it is believed that it facilitates the spread of disease because of the crop’s low genetic variability and is also necessary because it is regulate the use of just that variety in tequila industry. Different … …American Journal of Agricultural and Biological Sciences, Vol. 8, Issue 1 · 22 Feb 2013 · 8,093 accessesView PDFCite
Research ArticleOpen accessIn the abstractGenetic Characterization of a Bovine Breed (Tabapua) Under Artificial Selection Located in the Amazon RegionJose Elivalto Guimaraes Campelo, Marcone Helmer da Silva, Ednaldo da Silva Filho et al.Brazil currently has the biggest commercial bovine cattle population in the world. Several different breeds that come from Europe and India compose it. They are primarily used for dairy and meat production. In Brazil, several high quality genetic background cattle are kept in a condition known as pure breed, meaning no other animal of different genetic background is interbreeding with … …American Journal of Animal and Veterinary Sciences, Vol. 7, Issue 4 · 30 Jan 2013 · 7,552 accessesView PDFCite
Research ArticleOpen accessIn the abstractDiscrimination Capacity of RAPD, ISSR and SSR Markers and of their Effectiveness in Establishing Genetic Relationship and Diversity among Egyptian and Saudi Wheat CultivarsSalah El-Din El-Assal, Ahmed GaberProblem statement: Yield crop cultivars and landraces are valuable sources of genetic variations that the knowledge and implication of these variations are critical in the plant breeding programs. our major objective of this study is investigating the discriminating capacity of RAPD, ISSR and SSR markers and of their effectiveness in establishing genetic relationship and diversity among Egyptian and Saudi wheat … …American Journal of Applied Sciences, Vol. 9, Issue 5 · 9 Mar 2012 · 7,768 accessesView PDFCite
Research ArticleOpen accessIn the abstractWheat Resistance to the Adult Insect of Sunn Pest, Eurigaster Integriceps PutNima Sanaey, Tohid Najafi MirakSunn pest is one of the most serious pests of wheat and barley in Asia, North Africa and Eastern Europe. Using of resistant cultivars is an effective strategy for Integrated Pest Management (IPM). In order to identify the resistant wheat to sunn pest, 79 Iranian bread and durum wheat cultivarslines were evaluated for resistance to natural infestations of sunn pest … …American Journal of Agricultural and Biological Sciences, Vol. 7, Issue 1 · 15 Feb 2012 · 8,654 accessesView PDFCite
Research ArticleOpen accessIn the abstractAssessment of Genetic Diversity among Sugarcane Cultivars (Saccharum officinarum L.) using Simple Sequence Repeats MarkersAshutosh Pandey, Rupesh K. Mishra, Shashank Mishra et al.Problem statement: Increasing sugar productivity is the main concern of sugarcane (Saccharum officinarum L.) breeding programs. The complexity and size of the sugarcane genome is a major limitation in its genetic improvement. Characterization of sugarcane provides essential information of genetic diversity for breeders utilize for crop improvement. Approach and Results: The objective of this study was to evaluate the microsatellite … …OnLine Journal of Biological Sciences, Vol. 11, Issue 4 · 27 Jan 2012 · 7,563 accessesView PDFCite
Research ArticleOpen accessIn the abstractCharacterization of the Genetic Diversity of Peach Cultivars in Taif by RAPD-PCRMohamed A. Nagaty, Salah El-Din El-Assal, Mahmoud M. RifaatProblem statement: Peach genotypes from the Kingdom of Saudi Arabia were not adequately characterized at the biological and molecular levels. This study was carried out to characterize nine peach cultivars growing in Taif (KSA) at the biological and molecular levels. Approach: For the nine peach cultivars studied, flowering and fruiting indices were determined and eight, 10-base primers were used to … …American Journal of Applied Sciences, Vol. 8, Issue 7 · 24 Jun 2011 · 7,271 accessesView PDFCite
Research ArticleOpen accessIn the abstractBasal Salt Requirements Differ According to Culture Stage and Cultivar in Date Palm Somatic EmbryogenesisJameel M. Al-KhayriProblem statement: Various media formulations differing in basal salt composition are arbitrary selected to provide essential nutrients for plant in vitro cultures. Evidence suggests that in vitro response to various media formulations varies among genotypes and depends on the culture stage. This study examined the efficacy of five basal salt formulations on callus growth and somatic embryogenesis in date palm … …American Journal of Biochemistry and Biotechnology, Vol. 7, Issue 1 · 27 May 2011 · 10,156 accessesView PDFCite
Research ArticleOpen accessIn the abstractThe Porcine Mitochondrial Transcription Factor a Gene: Molecular Characterization, Radiation Hybrid Mapping and Genetic Diversity among 12 Pig BreedsTanja Kunej, Xiao-Lin Wu, Jennifer J. Michal et al.Problem statement: Mitochondrial transcription factor A (TFAM) is a nucleus-encoded protein that is a key activator of mitochondrial transcription as well as a major participant in mitochondrial genome replication. Genomic characterization of the porcine TFAM gene is, therefore, necessary to determine its involvement in regulation of fat depots and meat quality traits in pigs. Approach: Genomic DNA sequence was determined … …American Journal of Animal and Veterinary Sciences, Vol. 4, Issue 4 · 31 Dec 2009 · 6,870 accessesView PDFCite
Research ArticleOpen accessIn the abstractAnalysis of Sarawak Bario Rice Diversity Using Microsatellite MarkersS. C. Wong, P. H. Yiu, S. T. W. Bong et al.Problem statement: There are numerous claims on varieties of Bario rice cultivars in Sarawak. Many of them might be synonyms or homonyms. This preliminary study was to differentiate Bario Rice cultivars using microsatellite molecular markers. Approach: Microsatellite marker panels distributed on all 12 chromosomes on rice genome were employed to study 8 Bario rice cultivars in Sarawak. Results: Current study … …American Journal of Agricultural and Biological Sciences, Vol. 4, Issue 4 · 31 Dec 2009 · 9,149 accessesView PDFCite