eprintid: 11526 rev_number: 14 eprint_status: archive userid: 3170 dir: disk0/00/01/15/26 datestamp: 2020-07-08 06:25:43 lastmod: 2020-07-08 06:25:43 status_changed: 2020-07-08 06:25:43 type: article metadata_visibility: show creators_name: Sharma, V creators_name: Bhattacharyya, S creators_name: Kumar, R creators_name: Kumar, A creators_name: Ibañez, F creators_name: Wang, J creators_name: Guo, B creators_name: Sudini, H K creators_name: Gopalakrishnan, S creators_name: DasGupta, M creators_name: Varshney, R K creators_name: Pandey, M K creators_gender: Female icrisatcreators_name: Sharma, V icrisatcreators_name: Hari Kishan, S icrisatcreators_name: Gopalakrishnan, S icrisatcreators_name: Varshney, R K icrisatcreators_name: Pandey, M K affiliation: ICRISAT (Patancheru) affiliation: Department of Biochemistry, University of Calcutta, Kolkata affiliation: Department of Botany, Sister Nibedita Government General Degree College for Girls, Kolkata affiliation: Department of Life Sciences, Central University of Karnataka, Kadaganchi affiliation: DBT-National Agri-food Biotechnology Institute (NABI), Punjab affiliation: Instituto de Investigaciones Agrobiotecnológicas affiliation: Agronomy Department, University of Florida, Gainesville affiliation: Crop Protection and Management Research Unit, United State Department of Agriculture- Agriculture Research Service country: India country: Argentina country: USA title: Molecular Basis of Root Nodule Symbiosis between Bradyrhizobium and ‘Crack-Entry’ Legume Groundnut (Arachis hypogaea L.) ispublished: pub subjects: S8 subjects: s1.3 subjects: s2.13 subjects: s355 divisions: CRPS2 divisions: CRPS3 crps: CG1 full_text_status: public keywords: Legume, Groundnut, Peanut, Arachis hypogaea, Rhizobium, Nod factor, Crack-entry, Root nodule symbiosis, Phytohormones note: Thanks are due to support from the National Agricultural Science Fund (NASF) of Indian Council of Agricultural Research (ICAR), and Department of Biotechnology (DBT) of Ministry of Science & Technology, India. The work reported in this article was undertaken as a part of the CGIAR Research Program on Grain Legumes and Dryland Cereals (GLDC). ICRISAT is a member of the CGIAR. abstract: Nitrogen is one of the essential plant nutrients and a major factor limiting crop productivity. To meet the requirements of sustainable agriculture, there is a need to maximize biological nitrogen fixation in different crop species. Legumes are able to establish root nodule symbiosis (RNS) with nitrogen-fixing soil bacteria which are collectively called rhizobia. This mutualistic association is highly specific, and each rhizobia species/strain interacts with only a specific group of legumes, and vice versa. Nodulation involves multiple phases of interactions ranging from initial bacterial attachment and infection establishment to late nodule development, characterized by a complex molecular signalling between plants and rhizobia. Characteristically, legumes like groundnut display a bacterial invasion strategy popularly known as “crack-entry’’ mechanism, which is reported approximately in 25% of all legumes. This article accommodates critical discussions on the bacterial infection mode, dynamics of nodulation, components of symbiotic signalling pathway, and also the effects of abiotic stresses and phytohormone homeostasis related to the root nodule symbiosis of groundnut and Bradyrhizobium. These parameters can help to understand how groundnut RNS is programmed to recognize and establish symbiotic relationships with rhizobia, adjusting gene expression in response to various regulations. This review further attempts to emphasize the current understanding of advancements regarding RNS research in the groundnut and speculates on prospective improvement possibilities in addition to ways for expanding it to other crops towards achieving sustainable agriculture and overcoming environmental challenges. date: 2020-02 publication: Plants volume: 9 number: 276 publisher: MDPI pagerange: 1-24 id_number: doi:10.3390/plants9020276 refereed: TRUE issn: 2223-7747 official_url: https://doi.org/10.3390/plants9020276 related_url_url: https://scholar.google.com/scholar?hl=en&as_sdt=0%2C5&q=10.3390%2Fplants9020276&btnG= related_url_type: pub funders: National Agricultural Science Fund (NASF), ICAR funders: Department of Biotechnology (DBT) of Ministry of Science & Technology, India citation: Sharma, V and Bhattacharyya, S and Kumar, R and Kumar, A and Ibañez, F and Wang, J and Guo, B and Sudini, H K and Gopalakrishnan, S and DasGupta, M and Varshney, R K and Pandey, M K (2020) Molecular Basis of Root Nodule Symbiosis between Bradyrhizobium and ‘Crack-Entry’ Legume Groundnut (Arachis hypogaea L.). Plants, 9 (276). pp. 1-24. ISSN 2223-7747 document_url: http://oar.icrisat.org/11526/1/Vinay%20Sharma%20et%20al.%202020.pdf