Structural Associations Between Mitochondria and Chloroplasts in the Bundle Sheath Cells of Portulaca oleracea期刊界 All Journals 搜尽天下杂志传播学术成果专业期刊搜索期刊信息化学术搜索

Structural Associations Between Mitochondria and Chloroplasts in the Bundle Sheath Cells of Portulaca oleracea

Authors:	MIYAKE, HIROSHI FURUKAWA, AKIO TOTSUKA, TSUMUGU

Affiliation:	Department of Environmental Science, Faculty of Agriculture, Tokyo University of Agriculture and Technology Fuchu, Tokyo 183, Japan

Abstract:	Mitochondria and chloroplasts are structurally associated inthe bundle sheath cells of Portulaca oleracea L., an NAD malicenzyme type C₄ plant. These associations occur in some restrictedregions where the mitochondrial cristae extend inwards. Exposureof plants to 1.0 µ11¹ SO₂ for 3 h induced shrinkageof mitochondria of the bundle sheath cells, which further visualizedthe structural association between the organelles. C₄ plant, chloroplast, mitochondrion, Portulaca oleracea, sulphur dioxide

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