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This book presents a collection of cross-disciplinary research,
with contributions addressing all key features of the
plant/microbe/ENP nexus in agro-ecosystems. The uptake, transport
and transformation of nanoparticles in plants have attracted more
and more attention in the past several years. Especially, the
impact of Engineered Nanoparticles (ENPs) on bioprocesses; low-,
medium- and high-level dose responses in the microbial community of
soil; and long-, medium- and short-term exposure responses,
particularly microbial nitrogen transformations, are just a few of
the aspects involved. Since ENPs are used in many industries,
including cosmetics, agriculture, medicine, food technology and
waste management, their transport through biogeochemical cycles is
an important focus of many studies today. Specifically, ENP-microbe
interaction has been analysed with regard to disease treatment for
plants; it plays a vital role in disease inhibition by releasing
metal ions that act through many pathways - e.g. reactive oxygen
species (ROS) generation, DNA transformation and disruption of the
cell cycle - to stop cell growth in the pathogen. Due to these
properties, ENPs are also used as slow release or delayed release
pesticides and fungicides, and as carrier systems for
growth-promoting hormones. Despite their multiple uses in various
industries, the negative effects of ENPs are still a major concern
for the scientific community and consumers alike. For example,
their transport to various food chains has been reported to have
adverse effects. This raises a degree of doubt concerning a rapidly
growing scientific field with major applications in many
industries. From a sustainable development perspective and
particularly to ensure food security in light of the uncertainty
accompanying climate change, it is imperative to address this
divergence by focusing on the plant/microbe/ENP nexus.
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