This paper deals with the diversity assessment of tropical Indian onion and cross amplification of genomic and EST-SSR markers in distantly related native wild species. Out of 60 SSRs, 10% genomic SSRs were able to amplify as compared to EST-SSR where 53.3% primers were able to reveal amplicons. Clustering revealed five groups and indigenous short day onion formed separate cluster from the exotic short day and long day onions. A. roylei accessions exhibited a dissimilarity index of 35.5% between themselves whereas 'Pran' and A. 9 proliferum grouped together at a genetic distance of 0.4. A. fistulosum accessions formed a tight cluster and distantly related wild species A. carolinianum, A. chinense and A. hookeri formed neutral nodes. Present results are important to aid in analyzing the diversity present in short day onion and its utilization in breeding programs. Further, this is the first time that three accessions of A. roylei Stearn were used and rare alleles amplified in wild species will aid in detecting population structure and molecular marker aided selection for interspecific hybrid development.
Acne vulgaris is a common skin disease seen primarily in adolescent and young adults. As the treatment involves long term therapy with antibiotics, an agent with a long half life can be very useful in increasing the compliance. To evaluate the role of a monthly dose of azithromycin and compare it with daily doxycycline, we conducted this randomized comparative study. Sixty patients with moderate to severe acne were randomly assigned to two treatment groups, A & B. Patients in group A received 100 mg doxycycline daily in addition to topical 0.05% tretinoin cream, whereas patients in group B were given 500 mg azithromycin once a day for four days per month along with 0.05% topical tretinoin for a total of 12 weeks. Of the 60 patients, 22 in group A and 28 in group B were evaluated. The monthly dose of azithromycin was found to be as effective as daily doxycycline on a pure protocol basis and statistically significantly better than doxycycline by intention to treat analysis.
The genetic resources of Allium in India are potential source of genes for widening the crop genetic base. Despite their high economic value, limited number of germplasm accessions of wild species have been collected and conserved mainly due to difficult access to areas of occurrence. The present work mainly highlights information on species diversity distribution and utilization of wild Allium species to assess the value of Indian germplasm and prioritization for future collection and conservation programmes.
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