Abstract: Objective of present study was to examine the changes in different biochemical components in Fissidens biformis when it was exposed to Cu or Cd stress at various concentrations (100, 200, 300, 400ppm for Cu and 5, 10, 15, 20ppm for Cd) for prolonged number of days (10, 20 and 30). F. biformis when exposed to Cu the amino acids, proteins and phenols have shown significant acceleration in their contents on 10th, 20th and 30th day till 200ppm and on 20th day till 400ppm only in amino acids and proteins. On 30th day decrease in content was observed in 400ppm in amino acids, in 300 and 400ppm in proteins and phenols. Whereas in case of protease, acid phosphatase and peroxidase there was increase in activity during all the days up to 300ppm and the decrease in activity was observed from 20th day at 400ppm till 30th day compared to control. The presence of content observed in control remained almost same in all the components. Cd being non-essential and much toxic even in low concentrations, has shown comparatively less increase in amino acids, protein and phenolic content as well as protease, acid phosphatase and peroxidase activity till 10th day in almost all the concentrations, and thereafter a significant decrease in all the components was observed at all the concentrations on 20th and 30th day.
After examining the changes in F. biformis during prolonged exposure to both the metals, the net amount of Cu (92.85ppm) and Cd (0.32ppm) absorbed by F. biformis has also been examined using AAS (Atomic Absorption Spectrophotometer).
Keywords: Moss, Heavy metals, Copper, Cadmium, Biochemical parameters, AAS (Atomic absorption spectrometer).
Title: Effect of Cu and Cd on some biochemical components of Fissidens biformis Mitt
Author: Vibha, Sunita Kapila
International Journal of Interdisciplinary Research and Innovations
ISSN 2348-1218 (print), ISSN 2348-1226 (online)
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