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Genomic Analyses of Penicillium Species Have Revealed Patulin and Citrinin Gene Clusters and Novel Loci Involved in Oxylipin Production

文献类型： 外文期刊

作者： Yin, Guohua 1 ; Zhao, Hui 1 ; Pennerman, Kayla K. 3 ; Jurick, Wayne M., II 4 ; Fu, Maojie 1 ; Bu, Lijing 5 ; Guo, Anpi 1 ;

作者机构： 1.Chinese Acad Trop Agr Sci, Inst Trop Biosci & Biotechnol, Hainan Key Lab Biosafety Monitoring & Mol Breedin, Haikou 571101, Hainan, Peoples R China

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

3.USDA ARS, Toxicol & Mycotoxin Res Unit, Athens, GA 30605 USA

4.USDA ARS, Food Qual Lab, Beltsville, MD 20705 USA

5.Univ New Mexico, Dept Biol, Ctr Evolutionary & Theoret Immunol CETI, Albuquerque, NM 87131 USA

6.USDA ARS, Natl Ctr Agr Utilizat Res, Mycotoxin Prevent & Appl Microbiol Res Unit, 1815 N Univ St, Peoria, IL 61604 USA

7.Univ Maryland, Joint Inst Food Safety & Appl Nutr, College Pk, MD 20742 USA

关键词： Penicillium expansum; Penicillium crustosum; Penicillium maximae; genomic analyses; lipoxygenase; mycotoxin; volatile organic compounds

期刊名称：JOURNAL OF FUNGI （ 影响因子：5.816； 五年影响因子：6.499 ）

ISSN：

年卷期： 2021 年 7 卷 9 期

页码：

收录情况： SCI

摘要： Blue mold of apple is caused by several different Penicillium species, among which P. expansum and P. solitum are the most frequently isolated. P. expansum is the most aggressive species, and P. solitum is very weak when infecting apple fruit during storage. In this study, we report complete genomic analyses of three different Penicillium species: P. expansum R21 and P. crustosum NJ1, isolated from stored apple fruit; and P. maximae 113, isolated in 2013 from a flooded home in New Jersey, USA, in the aftermath of Hurricane Sandy. Patulin and citrinin gene cluster analyses explained the lack of patulin production in NJ1 compared to R21 and lack of citrinin production in all three strains. A Drosophila bioassay demonstrated that volatiles emitted by P. solitum SA and P. polonicum RS1 were more toxic than those from P. expansum and P. crustosum strains (R27, R11, R21, G10, and R19). The toxicity was hypothesized to be related to production of eight-carbon oxylipins. Putative lipoxygenase genes were identified in P. expansum and P. maximae strains, but not in P. crustosum. Our data will provide a better understanding of Penicillium spp. complex secondary metabolic capabilities, especially concerning the genetic bases of mycotoxins and toxic VOCs.

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