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Effect of germanic acid on developing cell walls of diatoms

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Summary

The effects of 0.1 and 1.0 germanic acid/silicic acid concentrations on wall development inNitzschia alba, Navicula pelliculosa, Cylindrotheca fusiformis, and Cyclotella nana are described. Valve development and differentiation are interrupted, and sometimes completely blocked. Girdle band formation is also affected.N. alba produces multiple walls (at 0.1 [Ge]/[Si]) and dense cytoplasmic granules (at 1.0 [Ge]/[Si]).

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Author notes

  1. B. E. Volcani

    Present address: University of California, A-002, 92093, La Jolla, CA, USA

  2. F. Azam

    Present address: Institute of Marine Resources, University of California San Diego, 92093, La Jolla, CA

Authors and Affiliations

  1. Scripps Institution of Oceanography, University of California San Diego, La Jolla, California, USA

    Mary Louise Chiappino, F. Azam & B. E. Volcani

Authors
  1. Mary Louise Chiappino
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  2. F. Azam
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  3. B. E. Volcani
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Chiappino, M.L., Azam, F. & Volcani, B.E. Effect of germanic acid on developing cell walls of diatoms. Protoplasma 93, 191–204 (1977). https://doi.org/10.1007/BF01275653

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  • DOI: https://doi.org/10.1007/BF01275653

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