Effect of iron limitation on cells of the diatom Cyclotella meneghiniana Kützing
2004
Alicja Kosakowska | Jolanta Lewandowska
The response of the Baltic diatom <i>Cyclotella meneghiniana</i> to iron deficiency was examined. The following growth parameters were measured: cell number, chlorophyll <i>a</i> and protein content. The results demonstrate the ability of this diatom to grow well with minimal iron availability; however, the rate of growth fell markedly at the lowest iron(III) concentration. The results of spectrophotometric chlorophyll <i>a</i> measurements and protein assays using the Lowry and Bradford methods indicated a significant decrease in their quantities. Iron may therefore be an important regulatory factor controlling the growth of diatom <i>C. meneghiniana</i> in an aquatic ecosystem.
اظهر المزيد [+] اقل [-]الكلمات المفتاحية الخاصة بالمكنز الزراعي (أجروفوك)
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