Control of organelle transmission in Chlorophytum |
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| Authors: | Kevin C Vaughn Donald L Kimpel Kenneth G Wilson |
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| Institution: | (1) Department of Botany, Miami University Oxford, 45056 Ohio, USA;(2) Present address: S. Weed Sci Lab., Box 225, 38776 Stoneville, MS, USA;(3) Present address: Biol. Dept., Indiana U., 47401 Bloomington, IN, USA |
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| Abstract: | Summary In a study of pollen ultrastructure in Chlorophytum comosum plastids were found to be present and apparently unaltered in both vegetative and generative cells. These ultrastructural data are consistent with the biparental transmission of plastids in this genus. However, mitochondria appear degenerate when compared to leaf mitochondria, exhibiting small myelin-like figures in addition to an abnormal cristae system. Since the plastids are not degenerate in the pollen of this species it appears that the transmission genetics of the mitochondria are determined separately from that of the plastid in higher plants. |
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| Keywords: | Plastids Mitochondria Pollen Chlorophytum |
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