[1]柴新义,赵鹏,于士军,等. 中国特有植物青檀可培养内生真菌组成的季节性变化[J].西北林学院学报,2023,38(5):170-175.[doi:10.3969/j.issn.1001-7461.2023.05.23]
　CHAI Xin-yi,ZHAO Peng,YU Shi-jun,et al. Seasonal Variation of Culturable Endophytic Fungi in Pteroceltis tatarinowii,An Endemic Plant to China[J].JOURNAL OF NORTHWEST FORESTRY UNIVERSITY,2023,38(5):170-175.[doi:10.3969/j.issn.1001-7461.2023.05.23]
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 中国特有植物青檀可培养内生真菌组成的季节性变化()
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《西北林学院学报》[ISSN:1001-7461/CN:61-1202/S]

卷:
第38卷
期数:
2023年第5期
页码:
170-175
栏目:
出版日期:
2023-09-30

文章信息/Info

Title:
 Seasonal Variation of Culturable Endophytic Fungi in Pteroceltis tatarinowii,An Endemic Plant to China
文章编号:
1001-7461(2023)05-0170-06
作者:
 柴新义; 赵鹏; 于士军; 孙星; 向玉勇
 (滁州学院 生物与食品工程学院，安徽 滁州 239000)
Author(s):
 CHAI Xin-yi; ZHAO Peng; YU Shi-jun; SUN Xing; XIANG Yu-yong
 （School of Biology and Food Engineering,Chuzhou University,Chuzhou 239000,Anhui,China）
关键词:
 ; 青檀; 当年生枝条; 可培养内生真菌; 菌群组成; 季节性变化
Keywords:
Pteroceltis tatarinowii;  current year branch;  culturable endophytic fungi;  composition of endophytic fungus;  seasonal variation
分类号:
S767.5
DOI:
10.3969/j.issn.1001-7461.2023.05.23
文献标志码:
A
摘要:
 为了解不同季节青檀枝条中可培养内生真菌菌群的组成特征及其随季节更替的演变关系，采用组织分离与形态学鉴定的方法对采自不同季节的1年生青檀健康枝条进行内生真菌的分离和鉴定。从春、夏、秋、冬4个季节的1 200个组织块中共分离内生真菌1 120株，除未产孢类菌群占7.77%外，其余为子囊菌门和毛霉菌门种类，隶属2门8纲9目10科12属。结果表明，优势菌群会伴随着季节更替而发生演变。春季以毛霉菌纲、毛霉目、毛霉科、共头霉属为第一优势菌群(占35.31%)；夏、秋2个季节以粪壳菌纲、肉座菌目、间座菌科、拟茎点霉属的菌群占比为最高（35.90%和29.78%）；而冬季则以散囊菌纲、散囊菌目、发菌科、青霉属为最高(40.48%)。内生真菌的菌群组成随季节更替的演化关系既表现出季节延续性，又表现出季节特异性。在春、夏、秋、冬4个季节的植物样本中均出现的内生真菌菌群占33.33%，而丝孢纲、丛梗孢目、暗色孢科、枝孢属仅在春季出现；黑痣菌目、小丛壳科、刺盘孢属仅在秋季出现；曲霉属和孔球孢属则出现在春季和冬季。内生真菌菌群多样性伴随着季节的更替表现出先高（春）、后低（夏）、再高（秋）、再低（冬）的变化规律。
Abstract:
 The culturable endophytic fungi from the branches of Pteroceltis tatarinowii were studied to understand composition and evolutionary relationship of endophytic fungal communities in different seasons on this ancient and peculiar plant.The annual healthy branch samples were collected from areas of the natural distribution of P.tatarinowii in the Langyashan Natural Reserve,Anhui Province,China.Endophytic fungi were isolated from branch tissue,and fungal strains were classified on the basis of morphology.From 1 200 tissue blocks taken from branches,a total of 1 120 isolates of endophytic fungi were identified and classified into 12 genera,10 families,9 orders,8 classes,and 2 phylums.Eighty-seven strains showed no reproductive structures，and were classified as Mycelia sterilia (7.77%).The composition of endophytic fungi changed with the seasons.In spring,Mucoromycetes,Mucorales,Mucoraceae and Syncephalastrum were the first dominant flora (35.31%).In summer and autumn,Sordariomycetes,Hypocreales,Diaporthaceae and Phomopsis had the highest proportions (35.9% and 29.78%,respectively in two seasons).In winter,the frequency of isolation was the highest in the Eurotiomycetes,Eurotialesr,Trichocomaceae and Penicillium (40.48%).The composition of endophytic fungi showed seasonal specificity,among which Cladosporium only appeared in spring.Colletotrichum appeared only in autumn.The genera of Aspergillus and Gilmaniella appearred in spring and winter.The diversity index of endophytic fungi showed a high (spring),low (summer),high (autumn),and low (winter) with the change of seasons.

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备注/Memo

备注/Memo:
 收稿日期：2022-06-28修回日期：2022-09-01
基金项目：安徽省自然科学基金面上项目（2108085MC87）；安徽省中央引导地方科技发展专项资金项目（202107d06020018）。
第一作者：柴新义，博士，副教授。研究方向：菌物资源与生物技术。E-mail：xinyianhui@163.com
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