Engineered nanomaterials for plant growth and development: a perspective analysis
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Tarih
2018
Dergi Başlığı
Dergi ISSN
Cilt Başlığı
Yayıncı
Elsevier
Erişim Hakkı
info:eu-repo/semantics/closedAccess
Özet
With the overwhelmingly rapid advancement in the field of nanotechnology, the engineered nanomaterials (ENMs) have been extensively used in various areas of the plant system including quality improvement, growth and nutritional value enhancement, gene preservation etc. There are several recent reports on the ENMs influence on growth enhancements, growth inhibition as well as certain toxic impacts on plant. However, translocation, growth responses and stress modulation mechanisms of ENMs in the plant systems call for better and indepth understanding. Herein, we are presenting a comprehensive and critical account of different types of ENMs, their applications and their positive, negative and null impacts on physiological and molecular aspects of plant growth, development and stress responses. Recent reports revealed mixed effects on plants, ranging from enhanced crop yield, epiigenetic alterations, and phytotoxicity, resulting from the ENMs' exposure, Creditable research in recent years has revealed that the effects of ENMs on plants are species specific and are variable among plant species. ENM exposures are reported to trigger free radical formation, responsive scavenging, and antioxidant armories in the exposed plants. The ENMs are also reported to induce aberrant expressions of microRNAs, the key post-transcriptional regulators of plant growth, development and stress-responses of plants. However, these modulations, if judiciously done, may lead to improved plant growth and yield. A better understanding of the interactions between ENMs and plant responses, including their uptake transport, internalization, and activity, could revolutionize crop production through increased disease resistance, nutrient utilization, and crop yield. Therefore, in this review, we are presenting actitical account of the different selected ENMs, their uptake by the plants, their positive/negative impacts on plant growth and development, along with the resultant ENM-responsive post-transcriptional modifications, especially, aberrant m1RNA expressions. In addition, underlying mechanisms of various ENM-plant cell interactions have been discussed. (C) 2018 Published by Elsevier B.V.
Açıklama
Anahtar Kelimeler
Cytotoxicity, Growth Response, Nanopartide Uptake, Phytonanotechnology, Translocation
Kaynak
Science Of The Total Environment
WoS Q Değeri
Q1
Scopus Q Değeri
Cilt
630
