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Complex duplications in maize lines

By: Hong, K.S.
Contributor(s): Bennetzen, J.L [coaut.] | Hulbert, S.H [coaut.] | Richter, T.E [coaut.].
Material type: materialTypeLabelArticlePublisher: 1993ISSN: 0026-8925.Subject(s): Acids | Enzymes | Esterases | Genetic variation | Genomes | Gramineae | Hydrolases | Nucleases | Nucleic acids | Nucleic compounds | Organic acids | Polymorphism | Resistance to injurious factors | Zea | Plant breeding AGROVOCDDC classification: 94-096498 In: Molecular and General Genetics v. 239, no. 1-2, p. 115-12194-096498Summary: Rp1 is a disease resistance complex and is the terminal morphological marker on the short arm of maize chromosome 10. Several restriction fragment length polymorphisms (RFLPs), which map within 5 map units of Rp1, were examined to determine if they are also complex in structure. Two RFLP loci which mapped distally to Rp1, BNL3.04 and PIO200075, existed in a single copy in all maize lines examined. These two loci cosegregated perfectly in 130 test cross progeny. Two RFLP loci that map proximally to Rp1 had unusual structures, which have not yet been reported for maize RFLPs; the loci were complex, with variable numbers of copies in differentCollection: AGRIS Collection
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Article CIMMYT Knowledge Center: John Woolston Library

Lic. Jose Juan Caballero Flores

 

AGRIS Collection 94-096498 (Browse shelf) 1 Available 94-096498
Total holds: 0

2 ill., 1 graph, 3 tables; 33 ref. Summary (En)

Rp1 is a disease resistance complex and is the terminal morphological marker on the short arm of maize chromosome 10. Several restriction fragment length polymorphisms (RFLPs), which map within 5 map units of Rp1, were examined to determine if they are also complex in structure. Two RFLP loci which mapped distally to Rp1, BNL3.04 and PIO200075, existed in a single copy in all maize lines examined. These two loci cosegregated perfectly in 130 test cross progeny. Two RFLP loci that map proximally to Rp1 had unusual structures, which have not yet been reported for maize RFLPs; the loci were complex, with variable numbers of copies in different

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