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1990 (1)
1989 (1)
1Author    Dirk Naber, Udo Johanningmeier, JackJ S Van Rensen, D. N., J.J S V RRequires cookie*
 Title    A Rapid Method for Partial mRNA and DNA Sequence Analysis of the Photosystem II psbA Gene  
 Abstract    Single amino acid substitutions in the D 1 protein of photosystem II may cause resistance to various herbicides. In all organisms studied these substitutions are located in or between hel­ ices IV and V of the protein. The increasing number of herbicide-resistant organisms necessi­ tates development of a rapid methodology to characterize deviations from the wildtype se­ quence. Here, two procedures are described to identify mutations in the psbA gene, which is coding for D 1. These procedures involve the isolation and amplification of D N A and RN A and subsequent sequencing reactions without the need to clone the psbA gene. A triazine-re-sistant and a -susceptible biotype of Chenopodium album were used as model species. An A to G transition, giving rise to a serine to glycine mutation at position 264 in the D 1 protein, is found in the resistant plant. 
  Reference    Z. Naturforsch. 45c, 418—422 (1990); received November 3 1989 
  Published    1990 
  Keywords    Triazine Resistance, Sequence Analysis, Polymerase Chain Reaction, Chenopodium album 
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 TEI-XML for    default:Reihe_C/45/ZNC-1990-45c-0418.pdf 
 Identifier    ZNC-1990-45c-0418 
 Volume    45 
2Author    P. Solymosi, E. LehoczkiRequires cookie*
 Title    Co-Resistance of Atrazine-Resistant Chenopodium and Amaranthus Biotypes to other Photosystem II Inhibiting Herbicides  
 Abstract    Biotypes of Amaranthus retroflexus L., A. hybridus L., A. bouchonii Thell. and Chenopodium album L. insensitive to atrazine were collected from maize monoculture where atrazine had been applied extensively. Atrazine-resistant biotypes of A. retroflexus and A. hybridus showed phen­ medipham and lenacil co-resistance and atrazine-resistant biotype of C. album showed fenuron co-resistance. An atrazin-resistant biotype of A. bouchonii with co-resistance to diuron was not resistant to fenuron, lenacil and phenmedipham. 
  Reference    Z. Naturforsch. 44c, 119 (1989); received August 22 1988 
  Published    1989 
  Keywords    Atrazine-Resistance, Atrazine and Diuron, Fenuron, Lenacil, Phenmedipham Co-Resistance, Amaranthus bouchonii, A hybridus, A retroflexus, Chenopodium album 
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 TEI-XML for    default:Reihe_C/44/ZNC-1989-44c-0119.pdf 
 Identifier    ZNC-1989-44c-0119 
 Volume    44