Effects of lanthanum on calcium and magnesium contents and cytoplasmic streaming of internodal cells of Chara corallina

Zijie Li, Zhiyong Zhang, Ming Yu, Yunlong Zhou, Yuliang Zhao

Research output: Contribution to journalArticlepeer-review

7 Scopus citations

Abstract

Biological and environmental effects of lanthanide series of elements have received much attention recently due to their wide applications. In this study, effects of La3+ treatments on calcium and magnesium concentrations as well as cytoplasmic streaming of internodal cells of Chara corallina were investigated. At all treatment concentrations (10, 100, and 1,000 μM), La3+ significantly decreased calcium concentrations in the cell-wall fractions after 5-h treatments. Calcium concentrations in the cell contents and magnesium concentrations in the cell-wall fractions were reduced by 100 and 1,000 μM La3+ treatments. However, cytoplasmic streaming as an indicator of [Ca2+]cyt was only inhibited at the highest La3+ concentration (1,000 μM). The results suggest that La 3+ may affect cellular calcium homeostasis by actions other than as a simple Ca2+ antagonist. La3+ could partially compensate for calcium deficiency at certain concentrations.

Original languageEnglish (US)
Pages (from-to)555-561
Number of pages7
JournalBiological Trace Element Research
Volume143
Issue number1
DOIs
StatePublished - Oct 2011

Keywords

  • Calcium
  • Chara corallina
  • Cytoplasmic streaming
  • Lanthanum
  • Magnesium

ASJC Scopus subject areas

  • Biochemistry
  • Clinical Biochemistry
  • Inorganic Chemistry
  • Biochemistry, medical
  • Endocrinology, Diabetes and Metabolism

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