Molecular and ecological perspectives of nitrous oxide producing microbial communities in agro-ecosystems
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Molecular and ecological perspectives of nitrous oxide producing microbial communities in agro-ecosystems Amit Kumar . Kristina Medhi . Ram Kishor Fagodiya . Gangavarapu Subrahmanyam Raju Mondal . Pushpanathan Raja . Sandeep Kumar Malyan . Dipak Kumar Gupta . Chandan Kumar Gupta . Himanshu Pathak
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Received: 22 April 2020 / Accepted: 7 October 2020 Ó Springer Nature B.V. 2020
Abstract Nitrous oxide (N2O) is a potent greenhouse gas. Agricultural soils are the major source of N2O contributing more than 70% of the global N2O emissions. In soil, N2O is mainly produced during the microbial mediated nitrification and denitrification processes. These processes are influenced by several
Electronic supplementary material The online version of this article (https://doi.org/10.1007/s11157-020-09554-w) contains supplementary material, which is available to authorized users. A. Kumar G. Subrahmanyam Central Muga Eri Research and Training Institute, Central Silk Board, Lahdoigarh, Jorhat, Assam 785000, India e-mail: [email protected] G. Subrahmanyam e-mail: [email protected] K. Medhi Central Pollution Control Board (CPCB), Regional Directorate (North), Lucknow, Uttar Pradesh 226010, India e-mail: [email protected] R. K. Fagodiya (&) ICAR-Central Soil Salinity Research Institute (CSSRI), Karnal, Haryana 132001, India e-mail: [email protected]
factors. Nitrification is governed by a few species of bacteria, archaea, and fungi, whereas, several species are involved in the denitrification process. Recently, several improved molecular approaches particularly different omics technologies namely genome sequencing, proteomics, metagenomics, meta-transcriptomics, etc. are being used for microbial diversity assessment, identification of metabolic pathways as well as recovery of the abundant uncultivable microbial genomes along with the genes involved in N2O production but also necessary for mitigation of N2O P. Raja ICAR-Indian Institute of Soil and Water Conservation (IISWC), Research Centre, Udhagamandalam, Tamil Nadu 643004, India e-mail: [email protected] S. K. Malyan Research Management and Outreach Division, National Institute of Hydrology, Jalvigyan Bhawan, Roorkee, Uttarakhand 247667, India e-mail: [email protected] D. K. Gupta ICAR-Indian Agricultural Research Institute (IARI), Gauria Karma, Hazaribagh, Jharkhand 825405, India e-mail: [email protected]
R. Mondal Central Sericultural Germplasm Resources Centre (CSGRC), Central Silk Board, Ministry of Textiles, Thally Road, Hosur, Tamil Nadu 635109, India e-mail: [email protected]
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emission from agricultural soils. Various studies on the N2O production pathways and factors affecting from the agricultural soils are being elaborately documented. However, the molecular perspective of the N2O production in agricultural soils is not welladdressed. Thus, a better understanding of N2O production pathways, factors affecting, and identification of soil
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