ABSTRACT
Background: Potato has a narrow genetic base which is due to its development, as it takes its genetic root from a few genotypes originated from South America
Objectives: The objective of this study was to assess the genetic relationships among potato [Solanum tuberosum L.] genotypes originated from different geographical regions
Materials and Methods: This study has rendered 25 useful SSRs and EST-SSRs that were located in pre-existing genetic maps, fingerprinted in a collection of the 47 potato genotypes from America, Europe and Iran
Results: The number of alleles per locus ranged from 2 to 9 with an average of 6.22 alleles per locus. UPGMA dendrogram, constructed from microsatellite data based on Jaccard similarity coefficient slightly clustered the American and European potatoes according to their geographical distribution. Iranian genotype, "Istanbuli", joined to a group with American genotype. The results indicated that American genotypes show the highest expected heterozygosity compared to the European genotype. This result was expected due to the narrow genetic base of European potatoes considering their origin from a limited number of introductions
Conclusions: It could be concluded that SSR is an appropriate marker for evaluating genetic diversity within and among potatoes from different geographical regions
ABSTRACT
The purpose of this study, was to determine the efficacy of cognitive - behavioral group therapy in health - related quality of life, in irritable bowel syndrome [IBS] patients. 32 IBS patients who received this diagnosis, according to the Rome II criteria, were selected and assigned randomly to either the experimental or the control group with 16 IBS patients in each group. The experimental group received 8 weekly CBGT sessions in the department of gastroentology in a general Hospital in the central city. The Quality of Life Inventory [QOL] and Beck Depression Inventory [BDI] were used as the pretest, post-test and follow-up. The follow-up tests were conducted two months after the last intervention session. Results of Multivariate Analysis of Covariance [MANCOVA] showed that the mean scores of health - related quality of life and depression, in the experimental group, was significantly lower than the control group in post-test[P=0.004, P=0.023],but there wasn't significant difference in follow-up. Results also showed that the scores of health anxiety in experimental group was significantly lower than the control group in post-test [P=0.007] and follow - up [P=0.02]. CBGT could be an effective and selective psychotherapy to improve HRQOL and degree depression and health anxiety of IBS patients, but in this therapy, in addition to automatic thoughts, we should also consider to core beliefs and underlying assumptions to enhancement the efficacy of intervention