The Difference in Diversity between Endophytic Microorganisms in White and Grey Zizania latifolia

被引:0
|
作者
Li, Yipeng [1 ]
Hu, Cailin [2 ]
Song, Ruiqi [1 ]
Yin, Zhihui [2 ]
Wang, Lingyun [1 ]
Shi, Lin [1 ]
Li, Wei [2 ]
Zheng, Zhaisheng [1 ]
Yang, Mengfei [1 ]
机构
[1] Jinhua Acad Agr Sci, Zhejiang Prov Key Lab Characterist Aquat Vegetable, Jinhua 321000, Peoples R China
[2] Hunan Agr Univ, Coll Plant Protect, Changsha 410128, Peoples R China
关键词
Zizania latifolia; endophyte; community; diversity; Ustilago esculenta; USTILAGO-ESCULENTA; COMMUNITIES; SEQUENCES; WILD;
D O I
10.3390/jof9111067
中图分类号
Q93 [微生物学];
学科分类号
071005 ; 100705 ;
摘要
The Zizania latifolia is usually infected by the obligate parasitic fungus Ustilago esculenta to form an edible fleshy stem which is an aquatic vegetable called Jiaobai in China. The infection by the teliospore (T) strain of U. esculenta induces Z. latifolia forming gray fleshy stems, while the mycelia-teliospore (MT) strain of U. esculenta induces white fleshy stems which are more suitable for edibility than gray fleshy stems. The mechanism of this phenomenon is still largely unknown. One of the possible causes is the diversity of endophytic microbial communities between these two fleshy stems. Therefore, we utilized fungal ITS1 and bacterial 16S rDNA amplicon sequencing to investigate the diversity of endophytic microbial communities in the two different fleshy stems of Z. latifolia. The results revealed that the alpha diversity and richness of endophytic fungi in white Z. latifolia were significantly greater than in gray Z. latifolia. The dominant fungal genus in both fleshy stems was U. esculenta, which accounted for over 90% of the endophytic fungi. The community composition of endophytic fungi in gray and white Z. latifolia was different except for U. esculenta, and a negative correlation was observed between U. esculenta and other endophytic fungi. In addition, the dominant bacterial genus in gray Z. latifolia was Alcaligenaceae which is also negatively correlated with other bacterium communities. Additionally, the co-occurrence network of white Z. latifolia was found to have a stronger scale, connectivity, and complexity compared to that of gray Z. latifolia. And the detected beneficial bacteria and pathogens in the stems of Z. latifolia potentially compete for resources. Furthermore, the function of endophytic bacteria is more abundant than endophytic fungi in Z. latifolia. This research investigated the correlation between the development of Z. latifolia fleshy stems and endophytic microbial communities. Our findings indicate that the composition of endophytic microbial communities is closely related to the type of Z. latifolia fleshy stems. This research also suggests the potential utilization of specific microbial communities to enhance the growth and development of Z. latifolia, thereby contributing to the breeding of Z. latifolia.
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页数:14
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