Base de dados : LILACS
Pesquisa : B01.650.940.800.575.912.250.791 [Categoria DeCS]
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Id: biblio-974328
Autor: Yang, Guodong; Li, Peng; Meng, Lifen; Xv, Keyi; Dong, Faming; Qiu, Yan; He, Lei; Lin, Lin.
Título: Diversity and communities of culturable endophytic fungi from different tree peonies (geoherbs and non-geoherbs), and their biosynthetic potential analysis
Fonte: Braz. j. microbiol;49(supl.1):47-58, 2018. tab, graf.
Idioma: en.
Projeto: National Natural Science Foundation of China.
Resumo: Abstract To know more about the potential roles of endophytic fungi in the formation mechanism of Daodi medicinal material, diversity and communities of culturable endophytic fungi in three types of tree peonies were investigated. Endophytic fungi of three types of tree peonies were isolated and identified. The diversity was analyzed. Bayesian trees constructed by MrBayes 3.2.6 after phylogenetic analysis of the ITS sequences. The endophytic fungi potential for synthesis of natural products was assessed by means of detecting NRPS and PKS gene sequences. In total, 364 endophytic fungi isolates representing 26 genera were recovered from Paeonia ostii 'Feng Dan', Paeonia ostii 'Luoyang Feng Dan', and Paeonia suffruticosa 'Luoyang Hong'. More culturable endophytic fungi appeared in P. suffruticosa 'Luoyang Hong' (206) compared with P. ostii 'Feng Dan' (60) and P. ostii 'Luoyang Feng Dan' (98). The fungal community of P. ostii 'Feng Dan' had the highest richness and diversity. PKSs and NRPS detection rates of endophytic fungi from P. ostii 'Feng Dan' are both the highest among the three types of tree peonies. Results indicate that endophytic fungus is an important factor of Daodi Cortex Moutan forming, and endophytic fungi in peony are related to genuineness of Cortex Moutan.
Descritores: Produtos Biológicos/metabolismo
Paeonia/microbiologia
Biodiversidade
Endófitos/isolamento & purificação
Fungos/isolamento & purificação
-Filogenia
Medicamentos de Ervas Chinesas/metabolismo
Paeonia/classificação
Paeonia/crescimento & desenvolvimento
Paeonia/metabolismo
Endófitos/classificação
Endófitos/crescimento & desenvolvimento
Endófitos/genética
Fungos/classificação
Fungos/crescimento & desenvolvimento
Fungos/genética
Responsável: BR1.1 - BIREME


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Id: biblio-889181
Autor: Yang, Ruixian; Liu, Ping; Ye, Wenyu.
Título: Illumina-based analysis of endophytic bacterial diversity of tree peony (Paeonia Sect. Moutan) roots and leaves
Fonte: Braz. j. microbiol;48(4):695-705, Oct.-Dec. 2017. tab, graf.
Idioma: en.
Projeto: National Natural Science Foundation of China; . Project of Science and Technology Department; . Project of Science and Education Department.
Resumo: ABSTRACT Diverse communities of bacteria inhabit plant tissues and those bacteria play a crucial role for plant health and growth. Tree peony (Paeonia Sect. Moutan) is known for its excellent ornamental and medicinal values as Chinese traditional plant, but little is known about its associated bacterial community under natural conditions. To examine how endophytic bacteria in tree peony vary across tissues and cultivars, PCR-based Illumina was applied to reveal the diversity of endophytic bacteria in tree peony. A total of 149,842 sequences and 21,463 operational taxonomic units (OTUs) were obtained. The OTU abundance of roots was higher than leaves across other three cultivars except for 'Kinkaku' and 'Luoyanghong'. The community was composed of five dominant groups (Proteobacteria, Firmicutes, Bacteroidetes, Acidobacteria and Actinobacteria) in all samples. Endophytic bacteria community structures had changed in leaves and roots. Sequences of Pseudomonas and Enterobacteriaceae were prevalent in root samples, whereas Succinivibrio and Acinetobacter were the dominant genus in leaf samples. Otherwise, the distribution of each dominant genus among the 5 cultivars was either varied. These findings suggested that both plant genotype and tissues contribute to the shaping of the bacterial communities associated with tree peony.
Descritores: Bactérias/isolamento & purificação
Paeonia/microbiologia
Biodiversidade
Endófitos/isolamento & purificação
-Bactérias/classificação
Bactérias/genética
Árvores/microbiologia
Reação em Cadeia da Polimerase
Raízes de Plantas/microbiologia
Folhas de Planta/microbiologia
Endófitos/classificação
Endófitos/genética
Responsável: BR1.1 - BIREME



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