Multilocus DNA fingerprints in the plant Cynoglossum officinale L. and their use in the estimation of selfing
1997
We have developed a nonradioactive oligonucleotide multilocus DNA fingerprinting method for Cynoglossum officinale. Of the 19 probes tested, six probes yielded banding patterns for all restriction enzymes used. All but one of the informative probes are repeats with a four-base motif. Approximately 60% of the loci appeared to be polymorphic. The sensitivity of the nonradioactive method was equal to that of the radioactive method. In addition, a new simple calculation method is presented to estimate selfing rates and approximate 95% confidence limits from the DNA fingerprint profiles avoiding ‘between-gel’ comparisons. The selfing rates differed significantly (as determined from 95% confidence intervals) between naturally pollinated individuals of C. officinale within the experimental population. The estimates ranged from 0 to 70% selfing.
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