ZHANG Yong,WANG Jingyi,LI Qing,et al.Pluteus vellingae，a Newly Recorded Species of Pluteus Pers. in China[J].Northern Horticulture,2024,(9):117-123.[doi:10.11937/bfyy.20233829]
光柄菇属中国新记录种韦林加光柄菇
- Title:
- Pluteus vellingae，a Newly Recorded Species of Pluteus Pers. in China
- 文章编号:
- 1001-0009(2024)09-0117-07
- Keywords:
- Pluteus Pers.; identification; new record; phylogenetic analysis
- 分类号:
- S 646.1
- 文献标志码:
- A
- 摘要:
- 以山西省野生大型真菌资源调查过程中采集到的2份光柄菇属真菌标本为试材，采用形态学鉴定方法，并基于rDNA ITS区采用贝叶斯法（bayesian inference，BI）和最大似然法（maximum likelihood，ML）系统发育树的构建，研究了其宏观、微观形态特征和系统发育关系，以期对我国光柄菇属物种的种类及分布有所补充。结果表明：该物种的典型特征是子实体较小，菌盖黄棕色，菌肉白色，菌褶浅黄色，菌柄淡黄色至亮黄色，菌柄内部菌肉黄色，孢子球形、近球形或宽椭圆形，（5.8~7.5）μm×（5.1~6.3）μm，具有发达的缘囊体、侧囊体和柄囊体。该物种与模式物种韦林加光柄菇（Pluteus vellingae）的序列聚为一个分支，分子系统学研究结果高度支持形态学研究结果。结合形态学和系统发育分析，确定该物种为中国新记录种韦林加光柄菇（Pluteus vellingae）,广泛分布在北半球的北美洲、欧洲和亚洲等地，属于北温带分布种。
- Abstract:
- Two fungal specimens of the genus Pluteus Pers.collected during the investigation of wild macrofungal resources in Shanxi Province were used as test materials.Morphological identification methods were used，and bayesian inference (BI) and maximum likelihood (ML) phylogenetic trees were constructed based on the rDNA ITS region.The macroscopic and microscopic morphological characteristics and phylogenetic relationships were studied,in order to supplement the species and distribution of the genus Pluteus in China.The results showed that the typical characteristics of this species were the smaller basidiomata，the yellow-brown pileus，the white context，the light-yellow lamellae，the light-yellow to bright yellow stipe，the yellow context in the stipe，globose，subglobose，or broadly ellipsoid spores，(5.8-7.5)μm×(5.1-6.3)μm，and the well-developed cheilocystidia，pleurocystidia and caulocystidia.The sequences of this species were clustered into a branch with the model species Pluteus vellingae，and the result of molecular phylogenetic highly support that of morphological research.Based on morphological and phylogenetic analysis，this species was indentified as a new chinese record as Pluteus vellingae.This species was widely distributed in North America，Europe，and Asia in the Northern Hemisphere，and belongs to the North temperate distribution species.
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备注/Memo
第一作者简介：张勇（1967-），男，硕士，副研究员，现主要从事食用菌资源和栽培等研究工作。E-mail：1033212057@qq.com.责任作者：王术荣(1985-)，男，博士，副教授，现主要从事食用菌资源和开发利用等研究工作。E-mail：wangsr2015@126.com.基金项目：山西省现代农业产业技术体系资助项目（2023CYJSTX09-05）；山西省科技成果转化引导专项资助项目（201904D131040）；山西省食用菌工程技术研究中心资助项目。收稿日期：2023-11-07