Diversity of Tea Endophytic Fungi: Cultivar- And Tissue Preferences

Win, Phyu Mar; Matsumura, Emi; Fukuda, Kenji

doi:10.15666/aeer/1601_677695

Cited by 22 publications

(39 citation statements)

References 27 publications

(38 reference statements)

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“…The microbial endophyte community in leaves typically differed from those in stems for the two cultivars assessed (‘Royal Gala’ and ‘Braeburn’). This was consistent with previous studies (da Silva et al ; Win et al ; Sadeghi et al ). It is likely due to both ontogenic differences and the mechanisms that recruit micro‐organisms to these tissues in apples (Chi et al ; Herre et al ; Bulgarelli et al ).…”

Section: Discussionsupporting

confidence: 94%

Apple endophyte community is shaped by tissue type, cultivar and site and has members with biocontrol potential againstNeonectria ditissima

2020

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Aims This research aimed to identify factors influencing endophyte community structure in apple shoots and the bioactivity of cultured representatives against the fungal pathogen Neonectria ditissima. Methods and Results The endophyte community in leaves and stems of the apple cultivars ‘Royal Gala’ and ‘Braeburn’ were analysed by a cultivation‐independent method (PCR‐DGGE) which showed that tissue type, cultivar and site were determinant factors, with the endophyte taxa in ‘Royal Gala’ more variable than that in ‘Braeburn’, with leaf endophyte communities typically differing from stems in both cultivars. Seasonal (spring vs autumn) and regional (Nelson vs Hawke’s Bay) variations were not obvious in woody stems. A collection of 783 bacterial and 87 fungal endophytes were recovered from leaves and stems of ‘Royal Gala’, ‘Braeburn’, ‘Scilate’ and/or ‘Scifresh’ from Nelson (nine sites) and Hawke’s Bay (five sites) in spring and from Nelson (three sites) in autumn. A dual culture plating assay was used to test their ability to inhibit the mycelial growth of N. ditissima. Thirteen bacterial (mean of percent inhibition ≥20%) and 17 fungal isolates were antagonistic towards N. ditissima. These isolates belonged to the bacterial genera Bacillus and Pseudomonas, and fungal genera Chaetomium, Epicoccum, Biscogniauxia, Penicillium, Diaporthe, Phlyctema and two unidentified fungal isolates. Conclusions Endophyte communities in apple shoots were determined by tissue type, cultivar and site. Endophytic bacterial and fungal isolates inhibiting N. ditissima growth in vitro were found. Significance and Impact of the Study These results provided new evidence of factors influencing apple endophyte community in New Zealand. Endophytes with potential to reduce N. ditissima infection were identified, with the potential to be developed into a biocontrol strategy for European canker.

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Section: Discussionsupporting

confidence: 94%

Apple endophyte community is shaped by tissue type, cultivar and site and has members with biocontrol potential againstNeonectria ditissima

2020

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“…It shows that during the maturation of tea leaves, the endophytic bacteria in the leaves are gradually decreasing and the endophytic fungi are gradually increasing, showing the process of succession. Win et al [24] found in the tissue preference study of endophytic fungi in tea plants that Colletotrichum gloeosporioides f. sp. camelliae showed preference in bark and old leaf tissues rather than new leaf and xylem tissues.…”

Section: Effects Of Tissue Types On the Distribution Of Endophytic Fumentioning

confidence: 99%

“…The distribution of endophytic fungi and bacteria showed significant differences among different tea cultivars. Win et al [24] isolated the endophytic fungi of three tea cultivars (Hokumei, Sayamakaori, and Yabukita) in the same tea garden and found that the four common endophytic fungi (Pleosporales sp., Colletotrichum gloeosporioides f. sp. camelliae, Peyronellaea glomerata, and Botryosphaeria dothidea) all showed obvious cultivars preference except Pleosporales sp.…”

Section: Effects Of Tea Cultivars On the Distribution Of Endophytic Fmentioning

confidence: 99%

Implications of endophytic microbiota in Camellia sinensis : a review on current understanding and future insights

et al. 2020

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Endophytic fungi and bacteria are the most ubiquitous and representative commensal members that have been studied so far in various higher plants. Within colonization and interaction with their host plants, endophytic microbiota are reportedly to modulate not only the host's growth but also holobiont resilience to abiotic and biotic stresses, providing a natural reservoir and a promising solution for sustainable agricultural development challenged by global climate change. Moreover, possessing the talent to produce a wide array of high-value natural products, plant endophytic microbiota also serve as an alternative way for novel drug discovery. In this review, tea, one of the world's three largest nonalcoholic beverages and a worldwide economic woody crop, was highlighted in the context of endophytic microbiota. We explore the recent studies regarding isolation approaches, distribution characteristics and diversity, and also biological functions of endophytic microbiota in Camellia sinensis (L.) O. Kuntze. Profoundly, the future insight into interaction mechanism between endophytic microbiota and tea plants will shed light on in-depth exploration of tea microbial resources.

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“…and morpho species were identified from the plant. The genera, Cladosporium was predominantly isolated compared to other fungal species thus illustrating that it is one of the prominent fungal endophytes present in the plant (32). Curvularia sp.…”

Section: Discussionmentioning

confidence: 95%

Study of antibacterial, anti-proliferative and pro-apoptotic potential of the cell extracts of endophytic fungi and bacteria isolated from Pajanelia longifolia (Willd.) K. Schuman

Gowthami

Das²,

Karthik

et al. 2021

Plant Sci. Today

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Endophytes contribute to the synthesis of significant metabolites in symbiotic association with their host plants. On considering the medicinal importance of the prominent tree species Pajanelia longifolia (Willd.) K. Schuman, the study was conducted to isolate and identify the endophytic bacteria and fungi for their bioactivity. The isolation of endophytic bacteria and fungi were performed by surface sterilisation of the stem and leaf samples of P. longifolia. The obtained bacterial and fungal endophytic isolates were maintained in nutrient agar and Potato Dextrose Agar (PDA) media and were examined for colony morphology and microscopic appearances with varied biochemical characterisations. Furthermore, both the fungal and bacterial isolates were subjected to solvent extractions to evaluate antibacterial activity. Also, anti-proliferative effects due to apoptotic induction by the endophytic fungal extracts were checked against proliferative yeast cells. Moreover, endophytic bacteria belonging to Enterococcaceae had shown antibacterial activity against Salmonella species. In the present study, fungal species belonging to Cladosporium predominantly found to inhabit as endophytic fungi in the plant samples. Also, this particular fungus among other selected endophytic fungi attributed to causing effective anti-proliferative activity. The endophytic bacteria belonging to Enterococcus and Micrococcus genera showed significant antimicrobial activity against Salmonella typhimurium (ATCC 23564).

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Diversity of Tea Endophytic Fungi: Cultivar- And Tissue Preferences

Cited by 22 publications

References 27 publications

Apple endophyte community is shaped by tissue type, cultivar and site and has members with biocontrol potential againstNeonectria ditissima

Apple endophyte community is shaped by tissue type, cultivar and site and has members with biocontrol potential againstNeonectria ditissima

Implications of endophytic microbiota in Camellia sinensis : a review on current understanding and future insights

Study of antibacterial, anti-proliferative and pro-apoptotic potential of the cell extracts of endophytic fungi and bacteria isolated from Pajanelia longifolia (Willd.) K. Schuman

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