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Influence of R and S enantiomers of 1-octen-3-ol on gene expression of Penicillium chrysogenum

文献类型： 外文期刊

作者： Yin, Guohua 1 ; Zhang, Yuliang 1 ; Fu, Maojie 1 ; Hua, Sui Sheng T. 3 ; Huang, Qixing 1 ; Pennerman, Kayla K. 2 ; Wu, 1 ;

作者机构： 1.Chinese Acad Trop Agr Sci, Inst Trop Biosci & Biotechnol, Minist Agr, Key Lab Biol & Genet Resources Trop Crops, Haikou 571101, Hainan, Peoples R China

2.Rutgers State Univ, Dept Plant Biol & Pathol, New Brunswick, NJ 08901 USA

3.ARS, USDA, Western Reg Res Ctr, Albany, CA 94710 USA

4.Oak Ridge Inst Sci & Educ, Dept Energy, Oak Ridge, TN 37831 USA

5.ARS, USDA, Food Qual Lab, Beltsville Agr Res Ctr, Beltsville, MD 20705 USA

6.Univ New Mexico, CETI, Dept Biol, Albuquerque, NM 87131 USA

关键词： Volatile organic compounds (VOCs); (R)-(-)-1-octen-3-ol; (S)-(+)-1-octen-3-ol; Transcriptome analysis; Fungal storage contaminants; Penicillium chrysogenum

期刊名称：JOURNAL OF INDUSTRIAL MICROBIOLOGY & BIOTECHNOLOGY （ 影响因子：3.346； 五年影响因子：3.426 ）

ISSN： 1367-5435

年卷期： 2019 年 46 卷 7 期

页码：

收录情况： SCI

摘要： Inhibition of spore germination offers an attractive and effective target for controlling fungal species involved in food spoilage. Mushroom alcohol (1-octen-3-ol) functions as a natural self-inhibitor of spore germination for many fungi and, therefore, provides a useful tool for probing the molecular events controlling the early stages of fungal growth. In Penicillium spp., the R and S enantiomers of 1-octen-3-ol delayed spore germination and sporulation in four species of Penicillium involved in soils of fruit and grains, but to different degrees. Because of its well-annotated genome, we used Penicillium chrysogenum to perform a comprehensive comparative transcriptomic analysis of cultures treated with the two enantiomers. Altogether, about 80% of the high-quality reads could be mapped to 11,396 genes in the reference genome. The top three active pathways were metabolic (978 transcripts), biosynthesis of secondary metabolites (420 transcripts), and microbial metabolism in diverse environments (318 transcripts). When compared to the control, treatment with (R)-(-)-1-octen-3-ol affected the transcription levels of 91 genes, while (S)-(+)-1-octen-3-ol affected only 41 genes. Most of the affected transcripts were annotated and predicted to be involved in transport, establishment of localization, and transmembrane transport. Alternative splicing and SNPs' analyses indicated that, compared to the control, the R enantiomer had greater effects on the gene expression pattern of Penicillium chrysogenum than the S enantiomer. A qRT-PCR analysis of 28 randomly selected differentially expressed genes confirmed the transcriptome data. The transcriptomic data have been deposited in NCBI SRA under the accession number SRX1065226.

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