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Shaheen N, Hossen MS, Akhter KT, Halima O, Hasan MK, Wahab A, Gamagedara S, Bhargava K, Holmes T, Najar FZ, Khandaker M, Peng Z, Yang Z, Ahsan N. Comparative Seed Proteome Profile Reveals No Alternation of Major Allergens in High-Yielding Mung Bean Cultivars. JOURNAL OF AGRICULTURAL AND FOOD CHEMISTRY 2024. [PMID: 38836763 DOI: 10.1021/acs.jafc.4c01054] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/06/2024]
Abstract
Mung bean contains up to 32.6% protein and is one of the great sources of plant-based protein. Because many allergens also function as defense-related proteins, it is important to determine their abundance levels in the high-yielding, disease-resistant cultivars. In this study, for the first time, we compared the seed proteome of high-yielding mung bean cultivars developed by a conventional breeding approach. Using a label-free quantitative proteomic platform, we successfully identified and quantified a total of 1373 proteins. Comparative analysis between the high-yielding disease-resistant cultivar (MC5) and the other three cultivars showed that a total of 69 common proteins were significantly altered in their abundances across all cultivars. Bioinformatic analysis of these altered proteins demonstrated that PDF1 (a defensin-like protein) exhibited high sequence similarity and epitope matching with the established peanut allergens, indicating a potential mung bean allergen that showed a cultivar-specific response. Conversely, known mung bean allergen proteins such as PR-2/PR-10 (Vig r 1), Vig r 2, Vig r 4, LTP1, β-conglycinin, and glycinin G4 showed no alternation in the MC5 compared to other cultivars. Taken together, our findings suggest that the known allergen profiles may not be impacted by the conventional plant breeding method to develop improved mung bean cultivars.
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Affiliation(s)
- Nazma Shaheen
- Institute of Nutrition and Food Science, University of Dhaka, Dhaka 1000, Bangladesh
| | - Md Sujan Hossen
- Bangladesh Council of Scientific and Industrial Research, Dhaka 1205, Bangladesh
| | - Kazi Turjaun Akhter
- Institute of Nutrition and Food Science, University of Dhaka, Dhaka 1000, Bangladesh
| | - Oumma Halima
- Institute of Nutrition and Food Science, University of Dhaka, Dhaka 1000, Bangladesh
| | - Md Kamrul Hasan
- Department of Health Research Methods, Evidence, and Impact, McMaster University, Hamilton, ON L8S 4L8, Canada
| | - Asfia Wahab
- Department of Biology, University of York, York YO10, U.K
| | - Sanjeewa Gamagedara
- Department of Chemistry, University of Central Oklahoma, Edmond, Oklahoma 73034, United States
| | - Kanika Bhargava
- Department of Human Environmental Sciences, University of Central Oklahoma, Edmond, Oklahoma 73034, United States
| | - Tawni Holmes
- Department of Human Environmental Sciences, University of Central Oklahoma, Edmond, Oklahoma 73034, United States
| | - Fares Z Najar
- High-Performance Computing Center, Oklahoma State University, Stillwater, Oklahoma 74078, United States
| | - Morshed Khandaker
- Nanobiology Laboratory, School of Engineering, University of Central Oklahoma, Edmond, Oklahoma 73034, United States
| | - Zongkai Peng
- Department of Chemistry and Biochemistry, University of Oklahoma, Norman, Oklahoma 73019, United States
| | - Zhibo Yang
- Department of Chemistry and Biochemistry, University of Oklahoma, Norman, Oklahoma 73019, United States
| | - Nagib Ahsan
- Department of Chemistry and Biochemistry, University of Oklahoma, Norman, Oklahoma 73019, United States
- Mass Spectrometry, Proteomics and Metabolomics Core Facility, Stephenson Life Sciences Research Center, The University of Oklahoma, Norman, Oklahoma 73019, United States
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Song J, Mavraganis I, Shen W, Yang H, Zou J. Applying a non-GMO breeding approach with an identified natural variation to reduce food allergen Len c3 in Lens culinaris seeds. FRONTIERS IN PLANT SCIENCE 2024; 15:1355902. [PMID: 38742216 PMCID: PMC11090098 DOI: 10.3389/fpls.2024.1355902] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 12/14/2023] [Accepted: 03/26/2024] [Indexed: 05/16/2024]
Abstract
Lentils (Lens culinaris) are produced in diverse agroecological regions and are consumed as one of the most important food legumes worldwide. Lentils possess a nutritional profile from a human health perspective that is not only nutrient dense but also offers a better balance between protein and carbohydrates. However, lentil causes food allergy, which has been a significant concern due to increased consumption in parts of the world. Len c3, a non-specific lipid transfer protein (LTP), was identified as one of the allergens in lentil seeds. In this study, we identified an LTP gene Lcu.2RBY.4g013600 that encodes the lentil allergen Len c3. We then focused on gene screening from a collection of natural accessions to search for natural mutations of the Len c3 allergen-encoding gene. A natural lentil line M11 was identified with mutations at LcLTP3b and low accumulation of vicilin through genomic-assisted approaches. Furthermore, we generated a pool of lentil germplasms with LcLTP3b mutation background through crossing the identified lentil plant M11 with two lentil cultivars, CDC Redmoon and CDC Gold. These generated lentil hybrids can be used as a breeding resource targeting at reducing allergen risk in lentil consumption.
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Affiliation(s)
| | | | | | | | - Jitao Zou
- Aquatic and Crop Resource Development Research Centre, National Research Council of Canada, Saskatoon, SK, Canada
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Cottonseed Meal Protein Isolate as a New Source of Alternative Proteins: A Proteomics Perspective. Int J Mol Sci 2022; 23:ijms231710105. [PMID: 36077502 PMCID: PMC9455987 DOI: 10.3390/ijms231710105] [Citation(s) in RCA: 7] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/30/2022] [Revised: 08/26/2022] [Accepted: 08/30/2022] [Indexed: 11/17/2022] Open
Abstract
Cottonseed meal (CSM) is a good source of dietary proteins but is unsuitable for human consumption due to its gossypol content. To unlock its potential, we developed a protein extraction process with a gossypol removal treatment to generate CSM protein isolate (CSMPI) with ultra-low gossypol content. This process successfully reduced the free and total gossypol content to 4.8 ppm and 147.2 ppm, respectively, far below the US FDA limit. In addition, the functional characterisation of CSMPI revealed a better oil absorption capacity and water solubility than pea protein isolate. Proteome profiling showed that the treatment improved protein identification, while SDS-PAGE analysis indicated that the treatment did not induce protein degradation. Amino acid analysis revealed that post-treated CSMPI was rich in branched-chain amino acids (BCAAs). Mass spectrometry analysis of various protein fractions obtained from an in vitro digestibility assay helped to establish the digestibility profile of CSM proteins. Several potential allergens in CSMPI were also found using allergenic prediction software, but further evaluation based on their digestibility profiles and literature reviews suggests that the likelihood of CSMPI allergenicity remains low. Overall, our results help to navigate and direct the application of CSMPIs as alternative proteins toward nutritive human food application.
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