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  • Title: Differential expression of cellulose synthase (CesA) gene transcripts in potato as revealed by QRT-PCR.
    Author: Obembe OO, Jacobsen E, Vincken JP, Visser RG.
    Journal: Plant Physiol Biochem; 2009; 47(11-12):1116-8. PubMed ID: 19646886.
    Abstract:
    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.
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