Chromosome control of apomixis in maize-gamagrass hybrids

Chromosome control of apomixis in maize-gamagrass hybrids The results of long-term studies on the transmission of the mode of asexual reproduction through seeds to maize from gamagrass, a closely related wild plant, performed in the Laboratory of Plant Cytology and Apomixis are summarized. The first apomictic hybrids between Zea mays and Tripsacum dactyloides were obtained in this laboratory more than 40 years ago and have been maintained until the present time. Cytogenetic studies on the hybrids have shown that at least nine chromosomes of the wild parent are necessary for the expression of asexual reproduction through seeds. In addition, the genes controlling two elements of apomixis (apomeiosis and parthenogenesis) have been found to be inherited independently from each other. http://www.deepdyve.com/assets/images/DeepDyve-Logo-lg.png Russian Journal of Genetics Springer Journals

Chromosome control of apomixis in maize-gamagrass hybrids

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Publisher
Springer Journals
Copyright
Copyright © 2010 by Pleiades Publishing, Ltd.
Subject
Biomedicine; Microbial Genetics and Genomics; Animal Genetics and Genomics; Human Genetics
ISSN
1022-7954
eISSN
1608-3369
D.O.I.
10.1134/S1022795410090103
Publisher site
See Article on Publisher Site

Abstract

The results of long-term studies on the transmission of the mode of asexual reproduction through seeds to maize from gamagrass, a closely related wild plant, performed in the Laboratory of Plant Cytology and Apomixis are summarized. The first apomictic hybrids between Zea mays and Tripsacum dactyloides were obtained in this laboratory more than 40 years ago and have been maintained until the present time. Cytogenetic studies on the hybrids have shown that at least nine chromosomes of the wild parent are necessary for the expression of asexual reproduction through seeds. In addition, the genes controlling two elements of apomixis (apomeiosis and parthenogenesis) have been found to be inherited independently from each other.

Journal

Russian Journal of GeneticsSpringer Journals

Published: Sep 30, 2010

References

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