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Open Access Green as soon as Postprint is submitted to ZB.
Heteroplasmy and atrazine resistance in Chenopodium album and Senecio vulgaris.
Z. Naturforsch. C 71, 267-272 (2016)
Atrazine-resistant weeds are well known, and the resistance is primarily caused by a point mutation in the psbA chloroplast gene encoding the photosystem II D1 protein. Heteroplasmy, the presence of different types of chloroplasts in an individual plant, is also very common. Thus, atrazine-resistant weeds may also partly possess the atrazine-binding sequence and vice versa. The region of the psbA gene containing the mutation was sequenced from atrazine-resistant and atrazine-sensitive Chenopodium album and Senecio vulgaris plants. In atrazine-sensitive C. album plants, the expected AGT triplet was found. The atrazine-resistant plants contained the expected base substitution (AGT to GGT); however, in addition the AGT triplet was found. The atrazine-resistant S. vulgaris plants contained the expected GGT sequence, whereas the atrazine-sensitive plants contained both the AGT and GGT sequences. This clearly indicates that in addition to Gly264 also Ser264 is present in atrazine-resistant plants, and vice versa in atrazine-sensitive plants, indicating heteroplasmy in these weeds.
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Publication type
Article: Journal article
Document type
Scientific Article
Keywords
Atrazine Resistance ; Chloroplast ; Heteroplasmy ; Psba Gene ; Weeds; Abutilon-theophrasti Biotype; Herbicide Resistance; Psba Gene; Triazine Resistance; Confers Resistance; Plant Chloroplasts; Molecular-basis; United-states; Dna; Substitution
ISSN (print) / ISBN
0939-5075
Quellenangaben
Volume: 71,
Issue: 7-8,
Pages: 267-272
Publisher
Verl. der Zeitschrift für Naturforschung
Publishing Place
Berlin
Reviewing status
Peer reviewed
Institute(s)
Institute of Biochemical Plant Pathology (BIOP)