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Comparison of the Nutritional Properties and Transcriptome Profiling Between the Two Different Harvesting Periods of Auricularia polytricha

文献类型： 外文期刊

作者： Wang, Wenliang 1 ; Wang, Yansheng 1 ; Gong, Zhiqing 1 ; Yang, Shifa 1 ; Jia, Fengjuan 1 ;

作者机构： 1.Shandong Acad Agr Sci, Jinan, Peoples R China

2.Shandong Acad Agr Sci, Inst Agrofood Sci & Technol, Jinan, Peoples R China

3.Key Lab Agroprod Proc Technol Shandong Prov, Jinan, Peoples R China

4.Minist Agr & Rural Affairs, Key Lab Novel Food Resources Proc, Jinan, Peoples R China

关键词： Auricularia polytricha; nutritional analysis; transcriptome analysis; developmental regulation; synthesis and metabolism

期刊名称：FRONTIERS IN NUTRITION （ 影响因子：6.576； ）

ISSN： 2296-861X

年卷期： 2021 年 8 卷

页码：

收录情况： SCI

摘要： Auricularia polytricha (A. polytricha), regarded as an edible and medical mushroom, has attracted toward the research interests because of the high nutrition and bioactivity. The nutritional and medical properties of A. polytricha have been well-studied; however, research about the difference of the nutritional properties and transcriptome profiling between the two different harvesting periods of A. polytricha was limited. In this study, the nutritional properties and transcriptome profiling were compared between the two different harvesting periods of A. polytricha: AP_S1 (the stage for the first harvesting period) and AP_S2 (the stage for the third harvesting period). This study showed that AP_S1 had the more growth advantages than AP_S2 including biomass, auricle area and thickness, protein and calcium contents, and most species of the amino acid contents, which contributed to the higher sensory evaluation and acceptability of AP_S1. Transcriptome profiling showed that a total of 30,298 unigenes were successfully annotated in the two different harvesting periods of A. polytricha. At a threshold of two-fold change, 1,415 and 3,213 unigenes were up- and downregulated, respectively. All the differentially expressed genes (DEGs) analysis showed that the some synthesis and metabolic processes were strengthened in AP_S1, especially the synthesis and metabolism of the amino acids and protein. The enhanced energy metabolism pathways could provide more energy for AP_S1 to synthesize the nutritional substance. Moreover, the expressions of 10 selected DEGs involved in the amino acid and protein synthesis pathways and energy metabolism pathways were higher in AP_S1 compared to AP_S2, consistent with Illumina analysis. To the best of our knowledge, this is the first study that compares the nutritional properties and transcriptome profiling between the two different harvesting periods of A. polytricha and the results can present insights into the growth and genetic characteristics of A. polytricha.

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