ISSN:
1432-1432
Keywords:
Plant molecular evolution
;
Molecular clock
;
Chloroplast DNA
Source:
Springer Online Journal Archives 1860-2000
Topics:
Biology
Notes:
Summary The rate of synonymous nucleotide substitution in nuclear genes of higher plants has been estimated. The rate varies among genes by a factor of up to two, in a manner that is not immediately explicable in terms of base composition or codon usage bias. The average rate, in both monocots and dicots, is about four times higher than that in chloroplast genes. This leads to an estimated absolute silent substitution rate of 6 × 10−9 substitutions per site per year that falls within the range of average rates (2−8 × 10−9) seen in different mammalian nuclear genomes.
Type of Medium:
Electronic Resource
URL:
http://dx.doi.org/10.1007/BF02100204
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