Journal
PLANT PHYSIOLOGY AND BIOCHEMISTRY
Volume 47, Issue 11-12, Pages 1116-1118Publisher
ELSEVIER FRANCE-EDITIONS SCIENTIFIQUES MEDICALES ELSEVIER
DOI: 10.1016/j.plaphy.2009.07.006
Keywords
Quantitative RT-PCR; Cellulose synthase; Double transformant; Genetic crossing; Solanum tuberosum
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Funding
- Netherlands Foundation for the Advancement of Tropical Research (WOTRO) The Netherlands
- Laboratory of Plant Breeding, Wageningen University
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Two transgenic potato lines, csr2-1 and csr4-8 that contained two different antisense cellulose synthase (CesA) genes, csr2 and csr4, respectively were crossed. The aim, amongst others, was to investigate the possibility of generating double transformants to validate a hypothetical presence of the proteins of the two CesA genes in the same cellulose synthase enzyme complex. SYBR-Green quantitative real-time reverse transcription polymerase chain reaction (RT-PCR) assays were carried out on four CesA gene transcripts (CesA1, 2, 3, and 4) in the wild type genetic background, and on the two antisense CesA gene transcripts (CesA2 and 4) in the progeny resulting from the cross between the two transgenic potato lines. The quantitative RT-PCR analyses revealed different expression patterns of the two CesA genes. The CesA2 mRNA was shown to be relatively more abundant than CesA4 mRNA, regardless of the genetic background, suggesting that the two proteins are not present in the same enzyme complex. (C) 2009 Elsevier Masson SAS. All rights reserved.
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