Intra- and interspecific variation of the alcohol dehydrogenase locus region in wild plants Arabis gemmifera and Arabidopsis thaliana

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DNA variation in the 5' upstream region of the Adh locus of the wild plants Arabidopsis thaliana and Arabis gemmifera.

To investigate the level and pattern of DNA polymorphism in the noncoding regulatory region in the plant nuclear genome, 2.4 kb of nucleotide sequence of the 5' upstream region of ADH: was determined for 14 ecotypes of Arabidopsis thaliana and five accessions of Arabis gemmifera. Using this data set and previously determined ADH: sequence data, DNA variation was analyzed in a 4.4-kb region of t...

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DNA variation in the basic chitinase locus (ChiB) region of the wild plant Arabidopsis thaliana.

Nucleotide variation in a 2.2-kbp region of basic chitinase (ChiB) locus in 17 ecotypes of Arabidopsis thaliana was compared with previously investigated regions to investigate genetic mechanisms acting on DNA polymorphism. In the ChiB region, dimorphic DNA variation was detected, as in the Adh and ChiA regions. Nucleotide diversity (pi) of the entire region was 0.0091, which was similar to tho...

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Contrasting patterns of nucleotide polymorphism at the alcohol dehydrogenase locus in the outcrossing Arabidopsis lyrata and the selfing Arabidopsis thaliana.

Nucleotide variation at the alcohol dehydrogenase locus (Adh) was studied in the outcrossing Arabidopsis lyrata, a close relative of the selfing Arabidopsis thaliana. Overall, estimated nucleotide diversity in the North American ssp. lyrata and two European ssp. petraea populations was 0.0038, lower than the corresponding specieswide estimate for A. thaliana at the same set of nucleotide sites....

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Nucleotide polymorphism in the acidic chitinase locus (ChiA) region of the wild plant Arabidopsis thaliana.

To investigate DNA variation in natural plant populations, a 1.8-kb region of the acidic chitinase locus (ChiA)was analyzed for 17 ecotypes of Arabidopsis thaliana sampled worldwide and 3 Arabis species in Japan. As in the Adh region, dimorphism was detected throughout the investigated ChiA region, suggesting the possibility that dimorphic DNA variation exists in the entire nuclear genome of A....

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ژورنال

عنوان ژورنال: Molecular Biology and Evolution

سال: 1996

ISSN: 0737-4038,1537-1719

DOI: 10.1093/oxfordjournals.molbev.a025603