Molecular profiling of bacterial blight resistance in Malaysian rice cultivars
Abstract Bacteria blight is one of the most serious bacterial diseases of rice worldwide. The identification of genetic potential against bacterial blight in the existing rice resources is a prerequisite to develop multigenic resistance to combat the threat of climate change. This investigation was conducted to evaluate alleles variation in 38 Malaysian cultivars using thirteen Simple Sequences Repeats markers and one Sequence Tagged Sites (STS) marker which were reported to be linked with the resistance to bacterial blight. Based on molecular data, a dendrogram was constructed which classified the rice cultivars into seven major clusters at 0.0, 0.28 and 0.3 of similarity coefficient. Cluster 5 was the largest group comprised of ten rice cultivars where multiple genes were identified. However, xa13 could not be detected in the current rice germplasm, whereas xa2 was detected in 25 cultivars. Molecular analysis revealed that Malaysian rice cultivars possess multigenic resistance.
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Instituto Internacional de Ecologia
2022
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oai:scielo:S1519-698420220001007712022-12-12Molecular profiling of bacterial blight resistance in Malaysian rice cultivarsJaved,M. A.Ali,S. W.Ashfaq,M.Tabassam,J.Ali,M.IhsanUllah,M.Nayab,S. F.Kaya,Y.Khalili,E.Ali,Q.Yau,T. E. rice genetic potential SSR STS multigene resistance Abstract Bacteria blight is one of the most serious bacterial diseases of rice worldwide. The identification of genetic potential against bacterial blight in the existing rice resources is a prerequisite to develop multigenic resistance to combat the threat of climate change. This investigation was conducted to evaluate alleles variation in 38 Malaysian cultivars using thirteen Simple Sequences Repeats markers and one Sequence Tagged Sites (STS) marker which were reported to be linked with the resistance to bacterial blight. Based on molecular data, a dendrogram was constructed which classified the rice cultivars into seven major clusters at 0.0, 0.28 and 0.3 of similarity coefficient. Cluster 5 was the largest group comprised of ten rice cultivars where multiple genes were identified. However, xa13 could not be detected in the current rice germplasm, whereas xa2 was detected in 25 cultivars. Molecular analysis revealed that Malaysian rice cultivars possess multigenic resistance.info:eu-repo/semantics/openAccessInstituto Internacional de EcologiaBrazilian Journal of Biology v.82 20222022-01-01info:eu-repo/semantics/articletext/htmlhttp://old.scielo.br/scielo.php?script=sci_arttext&pid=S1519-69842022000100771en10.1590/1519-6984.256189 |
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Javed,M. A. Ali,S. W. Ashfaq,M. Tabassam,J. Ali,M. IhsanUllah,M. Nayab,S. F. Kaya,Y. Khalili,E. Ali,Q. Yau,T. E. |
| spellingShingle |
Javed,M. A. Ali,S. W. Ashfaq,M. Tabassam,J. Ali,M. IhsanUllah,M. Nayab,S. F. Kaya,Y. Khalili,E. Ali,Q. Yau,T. E. Molecular profiling of bacterial blight resistance in Malaysian rice cultivars |
| author_facet |
Javed,M. A. Ali,S. W. Ashfaq,M. Tabassam,J. Ali,M. IhsanUllah,M. Nayab,S. F. Kaya,Y. Khalili,E. Ali,Q. Yau,T. E. |
| author_sort |
Javed,M. A. |
| title |
Molecular profiling of bacterial blight resistance in Malaysian rice cultivars |
| title_short |
Molecular profiling of bacterial blight resistance in Malaysian rice cultivars |
| title_full |
Molecular profiling of bacterial blight resistance in Malaysian rice cultivars |
| title_fullStr |
Molecular profiling of bacterial blight resistance in Malaysian rice cultivars |
| title_full_unstemmed |
Molecular profiling of bacterial blight resistance in Malaysian rice cultivars |
| title_sort |
molecular profiling of bacterial blight resistance in malaysian rice cultivars |
| description |
Abstract Bacteria blight is one of the most serious bacterial diseases of rice worldwide. The identification of genetic potential against bacterial blight in the existing rice resources is a prerequisite to develop multigenic resistance to combat the threat of climate change. This investigation was conducted to evaluate alleles variation in 38 Malaysian cultivars using thirteen Simple Sequences Repeats markers and one Sequence Tagged Sites (STS) marker which were reported to be linked with the resistance to bacterial blight. Based on molecular data, a dendrogram was constructed which classified the rice cultivars into seven major clusters at 0.0, 0.28 and 0.3 of similarity coefficient. Cluster 5 was the largest group comprised of ten rice cultivars where multiple genes were identified. However, xa13 could not be detected in the current rice germplasm, whereas xa2 was detected in 25 cultivars. Molecular analysis revealed that Malaysian rice cultivars possess multigenic resistance. |
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Instituto Internacional de Ecologia |
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2022 |
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http://old.scielo.br/scielo.php?script=sci_arttext&pid=S1519-69842022000100771 |
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