Recombination Events Involving the atp9 Gene Are Associated with Male Sterility of CMS PET2 in Sunflower

  title={Recombination Events Involving the atp9 Gene Are Associated with Male Sterility of CMS PET2 in Sunflower},
  author={Antje Reddemann and Renate Horn},
  booktitle={International journal of molecular sciences},
Cytoplasmic male sterility (CMS) systems represent ideal mutants to study the role of mitochondria in pollen development. In sunflower, CMS PET2 also has the potential to become an alternative CMS source for commercial sunflower hybrid breeding. CMS PET2 originates from an interspecific cross of H. petiolaris and H. annuus as CMS PET1, but results in a different CMS mechanism. Southern analyses revealed differences for atp6, atp9 and cob between CMS PET2, CMS PET1 and the male-fertile line HA89… CONTINUE READING
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