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Studies from University of Putra Malaysia Have Provided New Information about Biology (Phenotypic screening and molecular analysis of blast...

July 1, 2014



Studies from University of Putra Malaysia Have Provided New Information about Biology (Phenotypic screening and molecular analysis of blast resistance in fragrant rice for marker assisted selection)

By a News Reporter-Staff News Editor at China Weekly News -- Investigators publish new report on Life Science Research. According to news reporting out of Serdang, Malaysia, by VerticalNews editors, research stated, "Experiments were conducted to identify blast-resistant fragrant genotypes for the development of a durable blast-resistant rice variety during years 2012-2013. The results indicate that out of 140 test materials including 114 fragrant germplasms, 25 differential varieties (DVs) harbouring 23 blast-resistant genes, only 16 fragrant rice germplasms showed comparatively better performance against a virulent isolate of blast disease."

Our news journalists obtained a quote from the research from the University of Putra Malaysia, "The reaction pattern of single-spore isolate of Magnaporthe oryzae to differential varieties showed that Pish, Pi9, Pita-2 and Pita are the effective blast-resistant genes against the tested blast isolates in Bangladesh. The DNA markers profiles of selected 16 rice germplasms indicated that genotype Chinigura contained Pish, Pi9 and Pita genes; on the other hand, both BRRI dhan50 and Bawaibhog contained Pish and Pita genes in their genetic background. Genotypes Jirakatari, BR5, and Gopalbhog possessed Pish gene, while Uknimodhu, Deshikatari, Radhunipagol, Kalijira (3), Chinikanai each contained the Pita gene only. There are some materials that did not contain any target gene(s) in their genetic background, but proved resistant in pathogenicity tests."

According to the news editors, the research concluded: "This information provided valuable genetic information for breeders to develop durable blast-resistant fragrant or aromatic rice varieties in Bangladesh."

For more information on this research see: Phenotypic screening and molecular analysis of blast resistance in fragrant rice for marker assisted selection. Comptes Rendus Biologies, 2014;337(5):318-324. Comptes Rendus Biologies can be contacted at: Elsevier France-Editions Scientifiques Medicales Elsevier, 23 Rue Linois, 75724 Paris, France. (Elsevier - www.elsevier.com; Comptes Rendus Biologies - www.elsevier.com/wps/product/cws_home/600306)

Our news journalists report that additional information may be obtained by contacting M.A.I. Khan, University of Putra Malaysia, Fac Agr, Dept. of Crop Sci, Serdang 43400, Sealngor, Malaysia. Additional authors for this research include P.P. Sen, R. Bhuiyan, E. Kabir, A.K. Chowdhury, Y. Fukuta, A. Ali and M.A. Latif.

Keywords for this news article include: Serdang, Malaysia, Bangladesh, Life Science Research

Our reports deliver fact-based news of research and discoveries from around the world. Copyright 2014, NewsRx LLC


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Source: China Weekly News


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