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    • Volume 1 Issue 3 September 1979 pp 279-287

      Beryllium toxicity inNeurospora crassa

      A Naidu J Nirmala K Sivarama Sastry

      More Details Abstract Fulltext PDF

      InNeurospora crassa,0.44 mM Be2+ caused half-maximal inhibition of growth and this inhibition could be fully counteracted by the addition of 2.5 mM Ca2+ to the medium. Mn2+ and Mg2+ were less effective in reversing the growth inhibition caused by Be2+ and the order of effectiveness was Ca2+ > Mn2+ > Mg2+. Fe3+ and Zn2+ were ineffective in reversing Be2+ toxicity.

      Pyruvate, malate and succinate also reversed the growth inhibition caused by Be2+ inN. crassa. Pyruvate restored growth by a mechanism not involving control of Be2+ accumulation in the mould. The rate of utilisation of glucose by the mycelia grown in the presence of Be2+ was reduced, while that of pyruvate was not affected. The results indicate that the primary metabolic lesion in Be2+ toxicity inN. crassa is probably a block at some step(s) in the glycolytic sequence.

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      Forthcoming Special issue.


    • To trigger further research on plant mitochondria, the Journal of Biosciences is bringing out a special issue titled "Plant Mitochondria: Properties and Interactions with Other Organelles".


      Plant mitochondria are quite distinct and have unique features, such as a cyanide-insensitive alternate pathway. They also interact with chloroplasts to optimize photosynthetic carbon assimilation.


      Submissions are welcome until 30 July 2023. The contributions can be original articles, short communications, reviews, or mini-reviews on any topic related to plant mitochondria.


      Authors can submit their articles online at https://www.editorialmanager.com/jbsc/default2.aspx

      Posted on April 12, 2023
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