Plant and Cell Physiology, 1978, Vol. 19, No. 7 1301-1305
© 1978
Short communication |
Novel lectins in the endoplasmic reticulum of wheat germ and their possible role1
Biological Institute, Faculty of Science, Nagoya University Nagoya, Aichi 464, Japan
Novel lectins were isolated from the endoplasmic reticulum fraction of wheat germ by affinity chromatography. Their binding specificity was similar to that of concanavalin A. However, the lectins did not cross-react with the antiserum against concanavalin A. Gel filtration indicated that there were at least two kinds of lectin molecules, one with molecular weight about 4,300 daltons and the other with more than 300,000 daltons. By the difference in their binding specificity and molecular weights, the lectins are distinguished from wheat germ agglutinin. Their possible role in the binding of ribosomes to endoplasmic reticulum is discussed.
1 This work was reported at the Annual Meeting of the Japanese Society of Plant Physiologists (1978)(18).
(Received April 10, 1978; )
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