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Raul B, Bhattacharjee O, Ghosh A, Upadhyay P, Tembhare K, Singh A, Shaheen T, Ghosh AK, Torres-Jerez I, Krom N, Clevenger J, Udvardi M, Scheffler BE, Ozias-Akins P, Sharma RD, Bandyopadhyay K, Gaur V, Kumar S, Sinharoy S. Microscopic and Transcriptomic Analyses of Dalbergoid Legume Peanut Reveal a Divergent Evolution Leading to Nod-Factor-Dependent Epidermal Crack-Entry and Terminal Bacteroid Differentiation. Mol Plant Microbe Interact 2022; 35:131-145. [PMID: 34689599 DOI: 10.1094/mpmi-05-21-0122-r] [Citation(s) in RCA: 8] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/13/2023]
Abstract
Root nodule symbiosis (RNS) is the pillar behind sustainable agriculture and plays a pivotal role in the environmental nitrogen cycle. Most of the genetic, molecular, and cell-biological knowledge on RNS comes from model legumes that exhibit a root-hair mode of bacterial infection, in contrast to the Dalbergoid legumes exhibiting crack-entry of rhizobia. As a step toward understanding this important group of legumes, we have combined microscopic analysis and temporal transcriptome to obtain a dynamic view of plant gene expression during Arachis hypogaea (peanut) nodule development. We generated comprehensive transcriptome data by mapping the reads to A. hypogaea, and two diploid progenitor genomes. Additionally, we performed BLAST searches to identify nodule-induced yet-to-be annotated peanut genes. Comparison between peanut, Medicago truncatula, Lotus japonicus, and Glycine max showed upregulation of 61 peanut orthologs among 111 tested known RNS-related genes, indicating conservation in mechanisms of nodule development among members of the Papilionoid family. Unlike model legumes, recruitment of class 1 phytoglobin-derived symbiotic hemoglobin (SymH) in peanut indicates diversification of oxygen-scavenging mechanisms in the Papilionoid family. Finally, the absence of cysteine-rich motif-1-containing nodule-specific cysteine-rich peptide (NCR) genes but the recruitment of defensin-like NCRs suggest a diverse molecular mechanism of terminal bacteroid differentiation. In summary, our work describes genetic conservation and diversification in legume-rhizobia symbiosis in the Papilionoid family, as well as among members of the Dalbergoid legumes.[Formula: see text] Copyright © 2022 The Author(s). This is an open access article distributed under the CC BY-NC-ND 4.0 International license.
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Affiliation(s)
- Bikash Raul
- National Institute of Plant Genome Research (NIPGR), Aruna Asaf Ali Marg, New Delhi 110067, India
| | - Oindrila Bhattacharjee
- National Institute of Plant Genome Research (NIPGR), Aruna Asaf Ali Marg, New Delhi 110067, India
- Amity University Haryana, Amity Education Valley, Manesar, Panchgaon, Haryana 122412, India
| | - Amit Ghosh
- National Institute of Plant Genome Research (NIPGR), Aruna Asaf Ali Marg, New Delhi 110067, India
| | - Priya Upadhyay
- National Institute of Plant Genome Research (NIPGR), Aruna Asaf Ali Marg, New Delhi 110067, India
| | - Kunal Tembhare
- National Institute of Plant Genome Research (NIPGR), Aruna Asaf Ali Marg, New Delhi 110067, India
| | - Ajeet Singh
- National Institute of Plant Genome Research (NIPGR), Aruna Asaf Ali Marg, New Delhi 110067, India
| | - Tarannum Shaheen
- National Institute of Plant Genome Research (NIPGR), Aruna Asaf Ali Marg, New Delhi 110067, India
| | - Asim Kumar Ghosh
- National Institute of Plant Genome Research (NIPGR), Aruna Asaf Ali Marg, New Delhi 110067, India
| | | | - Nick Krom
- Noble Research Institute, 2510 Sam Noble Pkwy, Ardmore, OK 73401, U.S.A
| | - Josh Clevenger
- University of Georgia, Institute of Plant Breeding, Genetics and Genomics and Department of Horticulture, Tifton, GA 31793, U.S.A
| | - Michael Udvardi
- Noble Research Institute, 2510 Sam Noble Pkwy, Ardmore, OK 73401, U.S.A
| | - Brian E Scheffler
- United States Department of Agriculture-Agricultural Research Service Jamie Whitten Delta States Research Center (JWDSRC) Stoneville, JWDSRC, Bldg.1, Room 229, Experiment Station Road, PO Box 36, Stoneville, MS 38776-0036, U.S.A
| | - Peggy Ozias-Akins
- University of Georgia, Institute of Plant Breeding, Genetics and Genomics and Department of Horticulture, Tifton, GA 31793, U.S.A
| | - Ravi Datta Sharma
- Amity University Haryana, Amity Education Valley, Manesar, Panchgaon, Haryana 122412, India
| | - Kaustav Bandyopadhyay
- Amity University Haryana, Amity Education Valley, Manesar, Panchgaon, Haryana 122412, India
| | - Vineet Gaur
- National Institute of Plant Genome Research (NIPGR), Aruna Asaf Ali Marg, New Delhi 110067, India
| | - Shailesh Kumar
- National Institute of Plant Genome Research (NIPGR), Aruna Asaf Ali Marg, New Delhi 110067, India
| | - Senjuti Sinharoy
- National Institute of Plant Genome Research (NIPGR), Aruna Asaf Ali Marg, New Delhi 110067, India
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