Abstract
Sour cherry ( Prunus cerasus ) is an allotetraploid with sweet cherry ( P. avium ) and ground cherry ( P. fruticosa ) as the proposed progenitor species. Three cpDNA markers from eight sweet, four ground, and 26 sour cherry selections were analyzed to investigate the relatedness of their cp genomes. To date, two RFLP polymorphisms have been identified with both the P2 and P4 fragments of tomato cpDNA, while four length polymorphisms of an intergenic spacer have been identified by PCR amplification. Sweet and ground cherry have different cp polymorphisms, while sour cherry individuals have been identified that have the sweet and ground cherry polymorphisms plus a unique polymorphism. Additional individuals chosen to represent the diversity within each species will be screened to provide a more complete assessment of cp diversity. In addition, progeny from a sour cherry cross where the parents have different cp polymorphisms are being evaluated to determine if the chloroplasts are exclusively maternally inherited.
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Claims 4
Claim · model-written summary
Two RFLP polymorphisms were identified using P2 and P4 tomato cpDNA fragments.
Verbatim
e0“two RFLP polymorphisms have been identified with both the P2 and P4 fragments of tomato cpDNA”
t0“Cherry”
Claim · model-written summary
Four intergenic spacer length polymorphisms were identified by PCR.
Verbatim
e0“four length polymorphisms of an intergenic spacer have been identified by PCR amplification”
t0“Cherry”
Claim · model-written summary
Sweet and ground cherry had different chloroplast polymorphisms.
Verbatim
e0“Sweet and ground cherry have different cp polymorphisms”
Claim · model-written summary
Sour cherry individuals carried sweet and ground cherry polymorphisms and a unique polymorphism.
- Taxon
- sour cherry
Prunus cerasuse0 - Outcome
- sweet and ground cherry polymorphisms plus a unique polymorphisme0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“sour cherry individuals have been identified that have the sweet and ground cherry polymorphisms plus a unique polymorphism”