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Science 5 May 1978:
Vol. 200. no. 4341, pp. 561 - 563
DOI: 10.1126/science.200.4341.561
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Articles

Pollen Abortion in T Cytoplasmic Male-Sterile Corn (Zea mays): A Suggested Mechanism

H. E. WARMKE 1 and SHEU-LING JANET LEE 1

1 Department of Agronomy, Plant Virus Laboratory, University of Florida, Gainesville 32611

A rapid replication of mitochondria (20- to 40-fold increase) occurs between the precallose and tetrad stages in the tapetum of N and T corn (Zea mays) anthers, followed by mitochondrial, tapetal, and pollen breakdown in T anthers. It is suggested that the altered DNA in T mitochondria may malfunction under these stress conditions.

Submitted on November 29, 1977


THIS ARTICLE HAS BEEN CITED BY OTHER ARTICLES:
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Science. ISSN 0036-8075 (print), 1095-9203 (online)