Mitochondrion is a semiautonomous
organelle and power house of cell. The reported cms DNA sequences encode small
transmembrane protiens that are 10-35 kda in size and cytotoxic. The specific
accumulation of cytotoxic cms protiens with the tapetum frequently causes
altred mitochondrial functions such as atp synthesis and chromosomal programmed
cell death(pcd) in sporophytic and gametophytic cell leading to male sterility.
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