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Mukherjee, Arup Kumar,Mukherjee, Prasun Kumar,Kranthi, Sandhya The Korean Society of Plant Pathology 2016 Plant Pathology Journal Vol.32 No.6
The cotton leafroll dwarf virus (CLRDV) is one of the most devastating pathogens of cotton. This malady, known as cotton blue disease, is widespread in South America where it causes huge crop losses. Recently the disease has been reported from India. We noticed occurrence of cotton blue disease and chickpea stunt disease in adjoining cotton and chickpea fields and got interested in knowing if these two viral diseases have some association. By genetic studies, we have shown here that CLRDV is very close to chickpea stunt disease associated virus (CpSDaV). We were successful in transmitting the CLRDV from cotton to chickpea. Our studies indicate that CpSDaV and CLRDV in India are possibly two different strains of the same virus. These findings would be helpful in managing these serious diseases by altering the cropping patterns.
Arup Kumar Mukherjee,Prasun Kumar Mukherjee,Sandhya Kranthi 한국식물병리학회 2016 Plant Pathology Journal Vol.32 No.6
The cotton leafroll dwarf virus (CLRDV) is one of themost devastating pathogens of cotton. This malady,known as cotton blue disease, is widespread in SouthAmerica where it causes huge crop losses. Recentlythe disease has been reported from India. We noticedoccurrence of cotton blue disease and chickpea stuntdisease in adjoining cotton and chickpea fields and gotinterested in knowing if these two viral diseases havesome association. By genetic studies, we have shownhere that CLRDV is very close to chickpea stunt diseaseassociated virus (CpSDaV). We were successfulin transmitting the CLRDV from cotton to chickpea. Our studies indicate that CpSDaV and CLRDV in Indiaare possibly two different strains of the same virus. These findings would be helpful in managing theseserious diseases by altering the cropping patterns.
Mattagajasingh Ilwola,Acharya Laxmikanta,Mukherjee Arup Kumar,Das Premananda The Korean Society of Plant Biotechnology 2005 Plant molecular biology and biotechnology research Vol.7 No.2
Buffer soluble protein and five isozymes were analyzed to assess the inter specific relationship among 25 species of the genus Mammillaria Haw. A total of 102 types of proteins were resolved, out of which eighty-six types were found to be polymorphic and only two were unique. A total of 248 bands (isoforms) were detected for 5 isozymes, among them only 4 were found to be monomorphic and 35 were exclusive. Mantel 'Z' statistics revealed wide variations in the correlation among different enzymes. The correlation value 'r' was the highest in case of esterase with pooled data of all the five enzymes. The dendrogram constructed on the basis of pooled data (protein and allozyme) divided the species into two major clusters containing 14 and 11 members respectively. The species M. matudae and M. bella were found to be the most closely related while M. decipience and M. camptroticha were distantly apart. The present study gave an indication of usefulness of the isozyme and protein markers for genetic discrimination between different species of Mammillaria.