Significance of nitrogen-fixing actinorhizal symbioses for restoration of depleted,degraded, and contaminated soil |
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| Affiliation: | 1. Center of Molecular Ecophysiology (CMEP), College of Resources and Environment, Southwest University No. 2, Tiansheng Road, Beibei District, 400715 Chongqing, PR China;2. Laboratory of Molecular Biology, Department of Biotechnology, Agricultural University of Athens, 11855 Athens, Greece;3. Institute for Plant Biology, Technische Universität Braunschweig, Humboldtstraße 1, D-38106 Braunschweig, Germany;1. International Genome Center, Jiangsu University, Zhenjiang 212013, China;2. State Key Laboratory for Managing Biotic and Chemical Threats to the Quality and Safety of Agro-products, Key Laboratory of Biotechnology in Plant Protection of Ministry of Agriculture and Zhejiang Province, Institute of Plant Virology, Ningbo University, Ningbo, China;1. State Plant Breeding Institute, University of Hohenheim, 70599 Stuttgart, Germany;1. National Key Laboratory for Crop Genetics and Germplasm Enhancement and Utilization, Collaborative Innovation Center for Modern Crop Production Co-Sponsored by Province and Ministry (CIC-MCP), Nanjing Agricultural University, No.1 Weigang, Nanjing, Jiangsu 210095, China;1. School of Ecology and Environmental Science, Yunnan University, Kunming, 650504, China;2. The Central Laboratory and Department of orthopedic, The Second Affiliated Hospital of Kunming Medical University, Kunming, 650106, China;3. Clinical Medical Research Center and Key Laboratory of Yunnan Provincial Innovative Application of Traditional Chinese Medicine, The First People’s Hospital of Yunnan Province, Affiliated Hospital of Kunming University of Science and Technology, Kunming, 650034, China;1. Max-Planck-Institute of Molecular Plant Physiology, Am Mühlenberg 1, 14476 Potsdam-Golm, Germany;2. Center for Plant Systems Biology and Biotechnology, 4000 Plovdiv, Bulgaria;1. Department of Biotechnology, Dolphin (P.G.) Institute of Biomedical and Natural Sciences, Dehradun 248007, India;2. Joint Institute for High Temperatures of the Russian Academy of Sciences, 13/2 Izhorskaya St, Moscow 125412, Russia;3. Algal Research and Bioenergy Laboratory, Department of Food Science and Technology, Graphic Era (Deemed to be University), Dehradun, Uttarakhand 248002, India |
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| Abstract: | Atmospheric nitrogen (N2)-fixing legume trees are frequently used for the restoration of depleted, degraded, and contaminated soils. However, biological N2 fixation (BNF) can also be performed by so-called actinorhizal plants. Actinorhizal plants include a high diversity of woody species and therefore can be applied in a broad spectrum of environments. In contrast to N2-fixing legumes, the potential of actinorhizal plants for soil restoration remains largely unexplored. In this Opinion, we propose related basic research requirements for the characterization of environmental stress responses that determine the restoration potential of actinorhizal plants for depleted, degraded, and contaminated soils. We identify advantages and unexplored processes of actinorhizal plants and describe a mainly uncharted avenue of future research for this important group of plant species. |
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