【目的】对广西毛葡萄产区野生葡萄酒相关酵母菌的种类进行鉴定及分布研究,明确毛葡萄产区主要酵母种类及分布规律,为当地酿酒酵母资源的开发利用打下基础。【方法】从葡萄果实表面和果实自然发酵汁中分离、纯化野生葡萄酒相关酵母,利...【目的】对广西毛葡萄产区野生葡萄酒相关酵母菌的种类进行鉴定及分布研究,明确毛葡萄产区主要酵母种类及分布规律,为当地酿酒酵母资源的开发利用打下基础。【方法】从葡萄果实表面和果实自然发酵汁中分离、纯化野生葡萄酒相关酵母,利用WL培养基对分离获得的酵母菌株进行分类,从每一类型中选取代表菌株进行26S r DNA基因测序鉴定并进行系统进化分析。【结果】从葡萄果实表面及自然发酵汁中共分离获得180株酵母菌株,根据菌株在WL培养基上的颜色及菌落形态差异将180株酵母菌归为5类。26S r DNA基因序列分析结果表明,20株代表菌株分属于6个属9个种,分别为:汉逊酵母属的Hanseniaspora thailandica、H.opuntiae、H.occidentalis和H.guilliermondii;毕赤酵母属的Pichia pastoris;伊萨酵母属的Issatchenkia terricola;酿酒酵母属的Saccharomyces cerevisiae;Saturnispora属的S.diversa和红酵母属(Rhodutorula,未鉴定到种)。葡萄汁自然发酵过程中由H.thailandica启动发酵,随后出现H.thailandica、H.opuntiae、H.occidentalis、H.guilliermondii和S.diversa,最后由S.cerevisiae逐渐主导并控制发酵。【结论】在广西都安县毛葡萄产区生态环境中存在6个属9个种的葡萄酒相关酵母菌,其中H.guilliermondii是毛葡萄果表优势酵母菌种;在毛葡萄自然发酵汁中存在汉逊酵母的4个不同种及S.diversa和S.cerevisiae,随着发酵环境的变化此消彼长。展开更多
Summary Five subfamilies of the Cerambycidate: Lamiinae, Cerambycinae, Lepturinae (including Necydalini and Apatophysis), Aseminae (including S pondylis), and Prioninae (including Parandra) are recognized in this pape...Summary Five subfamilies of the Cerambycidate: Lamiinae, Cerambycinae, Lepturinae (including Necydalini and Apatophysis), Aseminae (including S pondylis), and Prioninae (including Parandra) are recognized in this paper, All the evolutionary evidences provided in the present research indicate that these subfamilies may be arranged in order from the oldest to the youngest as follows: (1) Lamiinae, Prioninae, Cerambycinae, Lepturinae, Aseminae; or (2) Lamiinae, Cerambycinae, Prioninae, Lepturinae, Aseminae. The possible phylogenetic relationships among the subfamilies are also given.展开更多
文摘【目的】对广西毛葡萄产区野生葡萄酒相关酵母菌的种类进行鉴定及分布研究,明确毛葡萄产区主要酵母种类及分布规律,为当地酿酒酵母资源的开发利用打下基础。【方法】从葡萄果实表面和果实自然发酵汁中分离、纯化野生葡萄酒相关酵母,利用WL培养基对分离获得的酵母菌株进行分类,从每一类型中选取代表菌株进行26S r DNA基因测序鉴定并进行系统进化分析。【结果】从葡萄果实表面及自然发酵汁中共分离获得180株酵母菌株,根据菌株在WL培养基上的颜色及菌落形态差异将180株酵母菌归为5类。26S r DNA基因序列分析结果表明,20株代表菌株分属于6个属9个种,分别为:汉逊酵母属的Hanseniaspora thailandica、H.opuntiae、H.occidentalis和H.guilliermondii;毕赤酵母属的Pichia pastoris;伊萨酵母属的Issatchenkia terricola;酿酒酵母属的Saccharomyces cerevisiae;Saturnispora属的S.diversa和红酵母属(Rhodutorula,未鉴定到种)。葡萄汁自然发酵过程中由H.thailandica启动发酵,随后出现H.thailandica、H.opuntiae、H.occidentalis、H.guilliermondii和S.diversa,最后由S.cerevisiae逐渐主导并控制发酵。【结论】在广西都安县毛葡萄产区生态环境中存在6个属9个种的葡萄酒相关酵母菌,其中H.guilliermondii是毛葡萄果表优势酵母菌种;在毛葡萄自然发酵汁中存在汉逊酵母的4个不同种及S.diversa和S.cerevisiae,随着发酵环境的变化此消彼长。
文摘Summary Five subfamilies of the Cerambycidate: Lamiinae, Cerambycinae, Lepturinae (including Necydalini and Apatophysis), Aseminae (including S pondylis), and Prioninae (including Parandra) are recognized in this paper, All the evolutionary evidences provided in the present research indicate that these subfamilies may be arranged in order from the oldest to the youngest as follows: (1) Lamiinae, Prioninae, Cerambycinae, Lepturinae, Aseminae; or (2) Lamiinae, Cerambycinae, Prioninae, Lepturinae, Aseminae. The possible phylogenetic relationships among the subfamilies are also given.
