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Articles by Arash Javanmard
Total Records ( 4 ) for Arash Javanmard
  Arash Javanmard , Nader Asadzadeh and Fatollah Sarhadi
  Problem statement: Variations at DNA level contribute to the genetic characterization of livestock populations and this may help to identify possible hybridization events as well as past evolutionary trends. Approach: The leptin and Pit-1 are attractive candidate genes for production and reproduction traits in cattle. A total of 247 Animals from four breeds from two species of Iranian cattle populations in include Bos taurus (Sarabi, Golpayegani) and Bos indicus (Sistani, Taleshi) were genotyped for the Pit-1 HinfI and leptin Sau3AI polymorphisms by the Polymerase Chain Reaction and Restriction Fragment Length Polymorphism (PCR-RFLP). Results: The genotype and gene frequencies for each group were determined and shown to be quite variable among the breeds. The allele B for the leptin gene and allele A for the Pit-1 gene were investigated high frequency in Bos indicus. Conclusion: Present result supported the previously proposed long evolutionary separation of these cattle subrace. Candidate gene approach may be a useful method to measure of genetic distance for cross breeding program between taurin and indicine cattle.
  Reza Nahavandi , Nader Asadzadeh , Adbdolreza Soleimani Farjam , S.M. Nurul Amin , Parivash Hafezamini and Arash Javanmard
  Variations at DNA level contribute to the genetic characterization of livestock populations and this may help to identify possible hybridization events as well as past evolutionary trends. The leptin and Pit-1 are attractive candidate genes for production and reproduction traits in cattle. A total of 247 animals from four breeds from two species of Iranian cattle populations in include Bos taurus (Sarabi, Golpayegani) and Bos indicus (Sistani, Taleshi) were genotyped for the Pit-1 HinfI and leptin Sau3AI polymorphisms by the Polymerase Chain Reaction and Restriction Fragment Length Polymorphism (PCR-RFLP). The genotype and gene frequencies for each group were determined and shown to be quite variable among the breeds. The allele B for the leptin gene and allele A for the Pit-1 gene were investigated high frequency in Bos indicus. Candidate gene approach may be a useful method to measure of genetic distance for cross breeding program between taurin and indicine cattle.
  Reza Nahavandi , S.M. Nurul Amin , Parivash Hafezamini and Arash Javanmard
  Shrimp farming is an important industry but several infectious diseases have caused high economic losses all over the world. Until now, many pathogens that include viral, bacterial and fungal species have been identified which are affecting sustainable development of this industry. Therefore, research in terms of immunity is of primary concern to control disease and to ensure long-term survival of the shrimp culture industry. There is increasing evidence indicating that nutritional genomics represents a promise to improve marine health. This goal will be reached by highlighting the mechanisms through which diet can reduce the risk of monogenic and common polygenic diseases. Indeed, nutrition is a very relevant environmental factor involved in the development and progression of metabolic disorders as well as other kind of diseases. To date, it is widely accepted that most of the effects of the nutrition on shrimp diseases and in turn, on marine health cannot be easily explained without a complete knowledge of the molecular mechanism underlying the nutrients action. In particular, the evidence shows that understanding how nutrition affects the metabolic homeostasis, influencing different cellular metabolic pathways is a crucial event. The aim of this mini review is describe of pervious nutritional genomes researches of shrimp health and improvement of immune system response.
  Hamid Reza Seyedabadi , Mohamad Hossein Banabazi , Fazlollah Afraz , Nader Asadzadeh , Arash Javanmard and Ali Javanrouh Aliabad
  Severe Combined Immunodeficiency Disease (SCID) is an autosomal recessive hereditary disease occurring among Arabian horses. The genetic defect responsible for this disease was recently identified as a 5-basepair deletion in the gene encoding DNA-Protein Kinase catalytic subunit (DNA-PKcs). Horses with one copy of the gene appear normal while horses with two copies of the gene manifest the disease. The only way to avoid the economic losses is early detection of SCID carriers. Because the real value of this test is that breeders can use it to ensure that they will never produce a SCID foal and that they can by breeding carriers to clears, preserve the unique and positive characteristics of exceptional carriers. And thereby breed out the undesirable gene over several generations.
 
 
 
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