![]() ![]() bisporus contains tyrosinase, rich selenium and vitamins, significantly reducing cholesterol and blood pressure. bisporus is widely favoured because of its numerous medicinal values. bisporus makes it a unique aroma and flavor. The activation of flavour amino acids and nucleotides, such as soluble sugar, polyols, free amino acids, 5’-nucleotides and sodium glutamate (MSG), in A. bisporus has high nutritional value with low calories and high protein. ![]() bisporus) is a widely cultivated edible mushroom with high yields and enormous consumption. Data analysis was supported by 5511 Collaborative innovation project of Fujian Province,China(XTCXGC2021007).Ĭompeting interests: The authors have declared that no competing interests exist.Īgaricus bisporus ( A. Reagents and laboratory supplies was supported by the Seed industry innovation and industrialization project of Fujian province, China (zycxny2021011) and the Natural Science Foundation of the Fujian Province, China(Grant No.2020J011379). Data collection was supported by China Agriculture Research System of MOF and MARA(CARS-20). Among them, the experimental design was supported by the earmarked fund of Fundamental Research Project of Fujian Provincial Research Institute for Public Welfare,China(Grant No.2019R1035-R1035-2). This is an open access article distributed under the terms of the Creative Commons Attribution License, which permits unrestricted use, distribution, and reproduction in any medium, provided the original author and source are credited.ĭata Availability: The data of RNA-seq in this study has been deposited in NCBI's SRA under accession number PRJNA797863.įunding: This study was supported by the following grants. Received: JAccepted: MaPublished: March 16, 2022Ĭopyright: © 2022 Cai et al. PLoS ONE 17(3):Įditor: Anil Kumar Singh, ICAR-National Institute of Plant Biotechnology, New Delhi, INDIA (2022) Metabolomics and transcriptomics unravel the mechanism of browning resistance in Agaricus bisporus. The difference of browning resistance between BS and BT is mainly due to the differential regulation mechanism of PPO.Ĭitation: Cai Z-X, Chen M-Y, Lu Y-P, Guo Z-J, Zeng Z-H, Liao J-H, et al. In addition, the BS had a higher content of trehalose, which might play roles in maintaining PPO activity. Higher organic acids decreased pH and further inhibited PPO activity. On the contrary, the content of trehalose in BS was significantly higher than that in BT. These organic acids had a higher level in anti-browning (BT) than easy-browning varieties (BS), although the profile was very heterogeneous. For metabolomics, most of the different metabolites were organic acids. ![]() However, the resistance to browning cannot be judged only by the expression level of AbPPOs. bisporus and multiple PPO family members are involved in the regulation of browning. The expression of AbPPO expression play an important role in the browning of A. The results showed that differentially expressed genes (DEGs) like AbPPO4, AbPPO3 and AbPPO2 were differently expressed and these DEGs were involved in many pathways related to browning. Using transcriptomics and metabolomics, the differences in gene expression and metabolite levels were revealed, respectively. In the production practice, we have identified some browning-resistant varieties, and we selected a browning-resistant variety to compare with an ordinary variety to reveal the resistance mechanism. In addition, breeding is also a reliable way. At present, people slow down the browning of mushrooms mainly by improving preservation methods. A certain cognition on browning mechanism has been made after years of research. The easy browning of mushroom surface is one of the most intuitive factors affecting consumer purchase. Agaricus bisporus is widely consumed on the world market. ![]()
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