Utility of multidisciplinary approach for genome diagnostics of cultivated and wild germplasm resources of medicinal Withania somnifera, and status of new species, W. ashwagandha, to the cultivated taxon

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dc.contributor.author Dar, Tanvir H.
dc.contributor.author Sehgal, Deepmala
dc.contributor.author Koul, Sushma
dc.contributor.author Mir, Bilal A.
dc.contributor.author Kaul, Maharaj K.
dc.contributor.author Raina, Soom Nath
dc.contributor.author Qazi, Ghulam N.
dc.contributor.author Kumar, Arun
dc.date.accessioned 2011-06-03T10:50:10Z
dc.date.available 2011-06-03T10:50:10Z
dc.date.issued 2010
dc.identifier.citation Dar , T H , Sehgal , D , Koul , S , Mir , B A , Kaul , M K , Raina , S N , Qazi , G N & Kumar , A 2010 , ' Utility of multidisciplinary approach for genome diagnostics of cultivated and wild germplasm resources of medicinal Withania somnifera, and status of new species, W. ashwagandha, to the cultivated taxon ' Plant Systematics and Evolution , vol 291 , no. 3-4 , pp. 141-151 . en
dc.identifier.issn 1615-6110
dc.identifier.other PURE: 163620
dc.identifier.other dspace: 2160/6912
dc.identifier.uri http://hdl.handle.net/2160/6912
dc.description Kumar, A., Mir, B.A., Sehgal, D., Dar, T.H., Koul, S., Kaul, M. K., Raina, S. N., Qazi, G. N. (2010). Utility of multidisciplinary approach for genome diagnostics of cultivated and wild germplasm resources of medicinal Withania somnifera, and status of new species, W. ashwagandha, to the cultivated taxon.   Plant Systematics and Evolution, 291, (3-4), 141-151. IMPF: 01.36 RONO: 00 en
dc.description.abstract Realizing the inconsistencies that exist in the extent and nature of differentiation in the Withania somnifera genetic resources in India, the 21 cultivated and wild accessions, and the two hybrids (cultivated 9 wild accessions and vice versa) were investigated for morphological, cytogenetical, chemical profiling, and crossability features. Their nuclear and chloroplast genomes were also assayed at the nucleotide sequence level, and by use of DNA markers. Chloroplast DNA diversity and somatic chromosome number (2n = 48) were not helpful in identifying the differences. Other approaches, on the other hand, especially restriction endonuclease digests, types and sequence length composition of ITS 1 and ITS 2 of nuclear ribosomal DNA, AFLP fingerprinting, and crossability barriers unambiguously provided startling discrete differences between the cultivated and wild accessions, indicating a clear division of W. somnifera into two distinct lineages. These data, therefore, are indicative of the fact that because of the unique characteristics of its nuclear genome, and strong crossability barriers vis-a`-vis wild accessions of W. somnifera, the cultivated accessions should be relegated to the rank of the separate species, W. ashwagandha. en
dc.format.extent 11 en
dc.language.iso eng
dc.relation.ispartof Plant Systematics and Evolution en
dc.title Utility of multidisciplinary approach for genome diagnostics of cultivated and wild germplasm resources of medicinal Withania somnifera, and status of new species, W. ashwagandha, to the cultivated taxon en
dc.type Text en
dc.type.publicationtype Article (Journal) en
dc.identifier.doi http://dx.doi.org/10.1007/s00606-010-0372-4
dc.contributor.institution Institute of Biological, Environmental and Rural Sciences en
dc.description.status Peer reviewed en


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