Cloning and use of low copy sequence genomic DNA for RFLP analysis of somaclones in mustard Brassica juncea L.

Mohapatra, T. ; Sharma, R. P. ; Chopra, V. L. (1992) Cloning and use of low copy sequence genomic DNA for RFLP analysis of somaclones in mustard Brassica juncea L. Current Science, 62 (6). pp. 482-484. ISSN 0011-3891

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Abstract

Brassica juncea (L.) Czern and Coss genomic DNA fragments of 0.5 to 2.5 kb size, obtained by Pst I digestion were cloned into the pUC18 plasmid vector. Screening of the partial library by dot blot hybridization using labelled total genomic DNA as probe revealed that about 45% of the clones carry low copy number DNA sequences. Using some of these clones as probes, DNA polymorphism could be detected among somaclones of B. juncea cv. Varuna.

Item Type:Article
Source:Copyright of this article belongs to Current Science Association
ID Code:70860
Deposited On:02 Jul 2012 12:53
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