Journal ArticleDOI
Karyotype diversity and interspecific 4C DNA variation inBupleurum
A. B. Das,R. Mallick +1 more
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TLDR
Investigation on karyotype, 4C nuclear DNA amount and interphase nuclear volume (INV) of different HimalayanBupleurum species belonging to Umbelliferae revealed genetic differentiation.Abstract:
Investigation on karyotype, 4C nuclear DNA amount and interphase nuclear volume (INV) of different HimalayanBupleurum species belonging toUmbelliferae revealed genetic differentiation. Numerical and structural alternation of chromosomes in interspecific level were manifested in their statistically significant altered species specific 4C nuclear DNA content. Somatic chromosome number ranged between 2n = 14 and 2n = 16.B. himalayense was reported for the first time having 2n = 16 chromosomes. Correlation coefficient among the various chromosomal and nuclear parameters showed no significant progressive or regressive interdependence except in between INV and nuclear DNA amount. Critical differences between 4C DNA content showed interspecific variation.read more
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Nuclear DNA Amounts in Angiosperms—583 New Estimates
TL;DR: A supplementary list of nuclear DNA C-values from 37 sources for 471 angiosperm species not listed in the aforementioned compilations, plus additional estimates for 113 species already listed by them are presented, which significantly improves representation of the global flora.
Journal ArticleDOI
Cytotaxonomical analysis of Momordica L. (Cucurbitaceae) species of Indian occurrence.
L. K. Bharathi,A. D. Munshi,Vinod,Shanti Chandrashekaran,T.K. Behera,A. B. Das,K. Joseph John,Vishalnath +7 more
TL;DR: Evidence from morphology, crossability, pollen viability and chromosome synapsis suggests a segmental allopolyploid origin for M. cymbalaria, a taxon of controversial taxonomic identity of the Momordica genus.
Journal ArticleDOI
Estimation of 4C DNA and Karyotype Analysis in Ginger (Zingiber officinale Rosc.) -I
Anath Bandhu Das,S. Rai,P. Das +2 more
TL;DR: The structural alteration of chromosomes as well as loss or addition of highly repetitive sequences in the genome showed variation in the DNA amount at cultivar level, but a marginal variation in nuclear DNA content at the cultivarlevel indicated a close relationship between them.
Journal ArticleDOI
Identification of RAPD markers, in situ DNA content and structural chromosomal diversity in some legumes of the mangrove flora of Orissa
TL;DR: By employing RAPD markers, karyotypes and 4C DNA content analysis, the present study has helped to resolve the relationship between the taxonomically diverse leguminous mangroves and study their ability to coexist with mangrove that would shed light on the evolution ofMangroves from terrestrial species.
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Molecular phylogeny of Heritiera Aiton (Sterculiaceae), a tree mangrove: variations in RAPD markers and nuclear DNA content
TL;DR: Random amplified polymorphic DNA (RAPD) markers are used to estimate interspecific variation among mangrove and non-mangrove Heritiera fomes, H. littoralis and H. macrophylla to find characteristic molecular markers in H. Macrophylla, a species from a non-reproductive habitat.
References
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Detection of Intraspecific Variation in Nuclear DNA Content in Microseris douglasii
TL;DR: A precise technique to measure DNA content in Microseris douglasii is reported, and differences among individual plant specimens in the 2.5%-5% range are detectable with this procedure.
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