Lectins in the unicellular Tetrahymena: II. Impact of nutrition and sugar treatment on anti-lectin binding

Pétek Kovács, György Csaba

Research output: Contribution to journalArticle

2 Citations (Scopus)

Abstract

Tetrahymena pyriformis GL cells showed partly intracytoplasmic, partly intramembraneous accumulation of loctin-like proteins in conditions of starvation, as demonstrated cytochemically by reaction with antibodies to pea, lens, bean, Datura, and snail lectin. The lectins binding to simple sugars tended to accumulate in the membrane, whereas those capable of interacting with hexosamines in the cytoplasm. While the fluorescence pattern of lectin localization was generally homogeneous in normally nourished cells, it assumed a variegated appearance in starved cells, owing to patching of the membrane, and spot-like accumulation of lectins in the cytoplasm, presumably within membranes of endocytosed vesicles. Snail lectin was an exception, since its distribution remained homogeneous also in conditions of starvation.

Original languageEnglish
Pages (from-to)181-192
Number of pages12
JournalActa histochemica
Volume73
Issue number2
DOIs
Publication statusPublished - Jan 1 1983

ASJC Scopus subject areas

  • Histology
  • Cell Biology

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