Modulation of physiological responses with TiO2 nano-particle in Azolla pinnata R.Br. under 2,4-D toxicity

Modulation of physiological responses with TiO2 nano-particle in Azolla pinnata R.Br. under 2,4-D... The present work is emphasised with the herbicidal tolerance of Azolla pinnata R.Br. and its modulation with TiO nano- particle. Both carbohydrate and nitrogen metabolism were effected with 2,4-D as herbicide and in few cases TiO -NP had recovered few detrimental effects. From the nutrient status in Azolla it recorded the recovery of nitrogen as well as potassium by TiO -NP but not in case of phosphorus. However, a conversion of nitrate to ammonium was more induced by T iO -NP 2 2 under herbicidal toxicity. Similar results were obtained for inter-conversion of amino acid–nitrate pool, but no changes with glutamine synthase activity with TiO -NP. Initially, the effects of 2,4-D was monitored with changes of chlorophyll content but had not been recovered with nanoparticle. Photosynthetic reserves expressed as both total and reducing sugar were insen- sitive to T iO -NP interference but activity of soluble and wall bound invertase was in reverse trend as compared to control. The 2,4-D mediated changes of redox and its oxidative stress was ameliorated in plants with over expressed ADH activity. As a whole the Azolla bio system with TiO supplementation may be useful in sustenance against 2,4-D toxicity through recovery of nitrogen http://www.deepdyve.com/assets/images/DeepDyve-Logo-lg.png Molecular Biology Reports Springer Journals

Modulation of physiological responses with TiO2 nano-particle in Azolla pinnata R.Br. under 2,4-D toxicity

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Publisher
Springer Netherlands
Copyright
Copyright © 2018 by Springer Nature B.V.
Subject
Life Sciences; Animal Biochemistry; Animal Anatomy / Morphology / Histology
ISSN
0301-4851
eISSN
1573-4978
D.O.I.
10.1007/s11033-018-4203-y
Publisher site
See Article on Publisher Site

Abstract

The present work is emphasised with the herbicidal tolerance of Azolla pinnata R.Br. and its modulation with TiO nano- particle. Both carbohydrate and nitrogen metabolism were effected with 2,4-D as herbicide and in few cases TiO -NP had recovered few detrimental effects. From the nutrient status in Azolla it recorded the recovery of nitrogen as well as potassium by TiO -NP but not in case of phosphorus. However, a conversion of nitrate to ammonium was more induced by T iO -NP 2 2 under herbicidal toxicity. Similar results were obtained for inter-conversion of amino acid–nitrate pool, but no changes with glutamine synthase activity with TiO -NP. Initially, the effects of 2,4-D was monitored with changes of chlorophyll content but had not been recovered with nanoparticle. Photosynthetic reserves expressed as both total and reducing sugar were insen- sitive to T iO -NP interference but activity of soluble and wall bound invertase was in reverse trend as compared to control. The 2,4-D mediated changes of redox and its oxidative stress was ameliorated in plants with over expressed ADH activity. As a whole the Azolla bio system with TiO supplementation may be useful in sustenance against 2,4-D toxicity through recovery of nitrogen

Journal

Molecular Biology ReportsSpringer Journals

Published: Jun 5, 2018

References

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