期刊
PHYSIOLOGICAL AND MOLECULAR PLANT PATHOLOGY
卷 73, 期 4-5, 页码 78-87出版社
ACADEMIC PRESS LTD- ELSEVIER SCIENCE LTD
DOI: 10.1016/j.pmpp.2009.02.004
关键词
ADP-glucose pyrophosphorylase; Chlorophyll breakdown; Chloroplast ultrastructure; In situ hybridization; Plasmodesmata; Saccharum spec. hybrid; Starch; Sucrose-phosphate phosphatase
资金
- Deutsche Forschungsgemeinschaft
- DAAD
Non-symptomatic sugarcane plants infected with Sugarcane Yellow Leaf Virus showed starch in mesophyll and bundle sheath cells. In situ-hybridization of mRNAs of sucrose-phosphate phosphatase and ADPglucose pyrophosphorylase revealed that infected leaves contained SPPase and AGPase in mesophyll cells, Kranz cells and bundle sheath cells. In contrast virus-free leaves contained SPPase only in Kranz cells and AGPase only in bundle sheath cells. Infected leaves exhibited ultrastructural changes in Kranz cell chloroplasts and a shift of the chlorophyll a/b ratio. No obstruction of plasmodesmata was observed. The results indicate that SCYLV-infected plants, even when visually non-symptomatic, underwent strong metabolic and ultrastructural changes. (C) 2009 Elsevier Ltd. All rights reserved.
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