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The Journal of Heredity 2001:92(4)
© 2001 The American Genetic Association 92:360-361

Brief Communication

Banded Polytene Chromosomes in Developing Endosperm of Pearl Millet

T. V. Rajya Lakshmi, Ch. Nimmi, K. G. Raja Rao, P. S. R. L. Narasinga Rao, and N. R. Isola

From the Department of Botany, Andhra University, Waltair 530 003, India (Rajya Lakshmi, Nimmi, Raja Rao, and Narasinga Rao) and Oak Ridge Biotech (OrBit), 148 Brentwood Circle, Oliver Springs, Tennessee (Narayana).

Address correspondence to T. V. Rajya Lakshmi and N. R. Isola at the address above or e-mail: Rajyalakshmit{at}hotmail.com.

The occurrence of polyteny in the endosperm of field-grown plants as well as cultured endosperms of variety Vg272 of pearl millet (Pennisetum glaucum (L.) R.Br.) is recorded. There is a pronounced banded structure of these chromosomes similar to the ones observed in Dipteran salivary glands. Polyteny under physiologically controlled conditions also seems feasible in pearl millet.


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