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The Journal of Heredity 1993:84(1):29-33
© 1993 The American Genetic Association 84:29-33

research-article

Large Differences in Genetic Variation of Multigene Families in Barley

B. C. Holwerda, S. Jana, W. L. Crosby, and J. C. Rogers

From the Division of Hematology/Oncology, Washington University School of Medicine St. Louis, MO 63110
The Department of Crop Science and Plant Ecology, University of Saskatchewan Saskatoon, Canada
The Plant Biotechnology Institute Saskatoon, Canada
The Division of Biology and Biomedical Sciences, Department of Biology, Washington University St. Louis, Missouri

Abstract

A preliminary survey of restriction fragment length polymorphisms in barley (Hordeum vulgare ssp. vulgare) and wild barley (H. vulgare ssp. spontaneum) showed large differences in the levels of variation between a number of multigene families in accessions that originated in the primary center of diversity around the eastern Mediterranean. The high pl {alpha}-amylase, alcohol dehydrogenase, and hordein C gene families showed high levels of variation, but, in contrast, the low pl {alpha}-amylase and waxy gene families were more conserved. The more conserved low pl {alpha}-amylase and waxy genes may be due to small sample size, but other factors such as selection may be responsible for these differences.


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