[1]王喜英,张露露,莫忠妹,等.不同品种石斛根内生细菌和真菌群落多样性及功能分析[J].江苏农业科学,2025,53(22):262-273.
 Wang Xiying,et al.Diversity and functional analysis of endophytic bacterial and fungal communities in roots of different Dendrobium varieties[J].Jiangsu Agricultural Sciences,2025,53(22):262-273.
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不同品种石斛根内生细菌和真菌群落多样性及功能分析()

《江苏农业科学》[ISSN:1002-1302/CN:32-1214/S]

卷:
第53卷
期数:
2025年第22期
页码:
262-273
栏目:
资源与环境
出版日期:
2025-11-20

文章信息/Info

Title:
Diversity and functional analysis of endophytic bacterial and fungal communities in roots of different Dendrobium varieties
作者:
王喜英1张露露1莫忠妹1谭智勇123赵辉123卢志宏4邓帮强5
1.铜仁学院,贵州铜仁 554300; 2.铜仁学院乡村振兴研究中心,贵州铜仁 554300; 3.贵州省高等学校山地国土空间智能监测与政策仿真工程研究中心,贵州铜仁 554300; 4.广西农业职业技术大学,广西南宁 530000; 5.德江县山顶中药材种植有限公司,贵州铜仁 554300
Author(s):
Wang Xiyinget al
关键词:
石斛化学成分内生细菌内生真菌功能预测
Keywords:
-
分类号:
S182;S567.23+9.06
DOI:
-
文献标志码:
A
摘要:
为探索石斛内生菌群落多样性的差异和潜在功能,采用高通量测序技术研究4种不同品种石斛根内生细菌和真菌的群落结构和多样性,并进行功能预测。结果表明,铁皮石斛的多糖含量最高,金钗石斛总生物碱、石斛碱和总黄酮含量最高,霍山石斛的总多酚含量最高。铁皮石斛根内生细菌的Chao1指数和Shannon指数均显著高于其他品种(P<0.05),但其内生真菌的Chao1指数和Shannon指数均显著小于其他品种。在内生细菌和真菌门水平上,变形菌门、拟杆菌门、放线菌门、子囊菌门和黄藻门为优势菌门。金钗石斛和霍山石斛的变形菌门相对丰度最高,铁皮石斛的拟杆菌门、放线菌门和子囊菌门相对丰度最高。PCA分析结果表明,不同品种石斛根内生细菌和真菌群落结构有明显差异,其中霍山石斛和铁皮石斛根内生细菌群落结构相似,金钗石斛和霍山石斛根内生真菌群落结构相似,鼓槌石斛与其他品种根内生细菌和真菌的群落结构差异较大。PICRUSt分析表明,铁皮石斛中新陈代谢功能基因丰度最高,环境信息处理功能基因丰度最低。FUNGuild功能预测结果表明,病原-腐生-共生营养型、腐生营养型和腐生-共生营养型内生真菌为主要的营养型。病原-腐生-共生营养型丰度在金钗石斛和铁皮石斛中最高,腐生营养型丰度在铁皮石斛中最低,腐生-共生营养型丰度在霍山石斛和鼓槌石斛中最高。该研究有利于更好地理解石斛与内生菌之间的共生关系,也可为后续微生物功能的挖掘和生物肥料的研究提供科学依据。
Abstract:
-

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备注/Memo

备注/Memo:
收稿日期:2025-02-27
基金项目:铜仁市科技局项目(编号:铜市科研[2023]37号);贵州省科技厅项目(编号:黔科合支撑-[20230]4Y069);铜仁学院硕士研究生创新基金(编号:trxyyc-202315);贵州省大学生创新创业训练项目(编号:2024106650758);贵州省教育厅项目(编号:黔教技[2023045]、黔教哲[2023]07号)。
作者简介:王喜英(1981—),女,河南汝南人,博士,副教授,从事生物信息学分析研究。E-mail:gzwangxiying@163.com。
通信作者,赵辉,博士,教授,硕士生导师,从事药用植物栽培研究,E-mail:yancao504@163.com;卢志宏,博士,副教授,从事种群生态研究,E-mail:Luzhihong305@163.com。
更新日期/Last Update: 2025-11-20