Induction of sucrose synthase in the phloem of phytoplasma infected maize
2011
Brzin, J., National Inst. of Biology, Ljubljana (Slovenia). Dept. of Plant Biotechnology and Systems Biology | Petrovic, N., National Inst. of Biology, Ljubljana (Slovenia). Dept. of Plant Biotechnology and Systems Biology | Ravnikar, M., National Inst. of Biology, Ljubljana (Slovenia). Dept. of Plant Biotechnology and Systems Biology | Kovac, M., National Inst. of Biology, Ljubljana (Slovenia). Dept. of Plant Biotechnology and Systems Biology
In this study, we have analyzed the expression of the low oxygen inducible sucrose synthase isozyme SH1 (SUS-SH1) in the phloem of maize infected with maize bushy stunt phytoplasma. Immunolocalization and Western blot analysis revealed several fold induction of SUS-SH1 in companion cells of phytoplasma inhabited phloem of leaf sheaths and stems. The results imply higher rates of sucrose metabolism and intensified hypoxia in the phloem.
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