Sambucus nigra agglutinin is located in protein bodies in the phloem parenchyma of the bark

The bark of some young woody stems contains storage proteins which are subject to an annual rhythm: they accumulate in the autumn and are mobilized in the spring. We show here that the bark phoem-parenchyma cells of Sambucus nigra L. contain numerous protein bodies, and that the bark lectin (S. nigr...

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Bibliographic Details
Published inPlanta Vol. 167; no. 2; pp. 275 - 278
Main Authors Greenwood, J.S. (California Univ., La Jolla, San Diego (USA). Dept. of Biology), Stinissen, H.M, Peumans, W.J, Chrispeels, M.J
Format Journal Article
LanguageEnglish
Published Germany 01.01.1986
Subjects
Agglutinin
AGGLUTININE
AGGLUTININS
AGLUTININAS
BARK
CORTEZA
ECORCE
FLOEMA
Lektin
parenchyma
PHLOEM
PHLOEME
protein composition
PROTEINAS
PROTEINE
PROTEINS
Proteinverteilung
Rinde
SAMBUCACEAE
Sambucus
Sambucus nigra
Stamm
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Summary:The bark of some young woody stems contains storage proteins which are subject to an annual rhythm: they accumulate in the autumn and are mobilized in the spring. We show here that the bark phoem-parenchyma cells of Sambucus nigra L. contain numerous protein bodies, and that the bark lectin (S. nigra agglutinin) which undergoes an annual rhythm is localized in these protein bodies. The protein bodies in the cotyledons of legume seeds also contain lectin, indicating that lectins may be storage compounds themselves or may have a function in storage and-or mobilization processes.
Bibliography:F60
86G0290
ISSN:0032-0935
1432-2048
DOI:10.1007/BF00391426