Abstract
The complete coding and 3´-flanking region of the mitochondrial gene atp9 of chives (Allium schoenoprasum L.) was determined in order to develop primers that allow the identification of atp9-related sequences in subsequent PCR-amplifications. One of these sequences is of a chimerical nature, consisting of atp9-homologous regions on its end, interrupted by an insertion that is composed of one atp6-homologous part and one part of unknown origin. This PCR-fragment is 762 bp in size and exclusively amplified in the sterility inducing cytoplasm of CMS1. Thus it can be used as a PCR-marker in order to distinguish this cytoplasm type from the remaining cytoplasm types of chives. The chimerical marker sequence forms a putative open reading frame (orfA501), from which CMS1 might originate.
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Received: 6 June 2001 / Accepted: 3 August 2001
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Engelke, T., Tatlioglu, T. A PCR-marker for the CMS1 inducing cytoplasm in chives derived from recombination events affecting the mitochondrial gene atp9. Theor Appl Genet 104, 698–702 (2002). https://doi.org/10.1007/s00122-001-0770-7
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DOI: https://doi.org/10.1007/s00122-001-0770-7