Impact of environmental variables on the isolation, diversity and antibacterial activity of endophytic fungal communities from Madhuca indica Gmel. at different locations in India

Verma, Shiv Kumar; Gond, Surendra K.; Mishra, Ashish; Sharma, Vijay Kumar; Kumar, Jitendra; Singh, Dheeraj K.; Kumar, Anuj; Goutam, Jyoti; Kharwar, Ravindra N.

doi:10.1007/s13213-013-0707-9

Cited by 37 publications

(21 citation statements)

References 57 publications

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“…Phomopsis, endophytes and pathogens on a wide range of plant hosts, have been found in various plant hosts which are taxonomically irrelevant (Sieber 2007;Huang et al 2008). Taken together our results suggest that these dominant genera associated with rhizosphere and different tissues of S. chamaejasme are diverse host generalists and may have broader benefit to their plant hosts (Mishra et al 2012;Verma et al 2014). Penicillium was the most common endophytes and has been reported as the dominant fungal endophytes of various plant species in diverse environments (Naik et al 2009;Rivera-Orduña et al 2011).…”

Section: Discussionsupporting

confidence: 51%

“…In addition, the result of PCA in the present study also confirmed that the dominant genus of rhizosphere and endophytes were determined by one or two fungal orders. Species of the polyphyletic genus Alternaria appear to switch between pathogen and mutualist roles and aid plants in extreme environmental conditions (Verma et al 2014). Fungi of the genus Fusarium play an important role of protecting plants from diseases and various environmental stresses (Shweta et al 2010;Mahapatra and Banerjee 2012), and have been found in various soils and all parts of various plants proved to be a good source of biologically active secondary metabolites (Porras-Alfaro et al 2011;Keim et al 2014).…”

Section: Discussionmentioning

confidence: 99%

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Phylogenic diversity and tissue specificity of fungal endophytes associated with the pharmaceutical plant, Stellera chamaejasme L. revealed by a cultivation-independent approach

Jin

Yang

et al. 2015

Antonie van Leeuwenhoek

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The fungal endophytes associated with medicinal plants have been demonstrated as a reservoir with novel natural products useful in medicine and agriculture. It is desirable to explore the species composition, diversity and tissue specificity of endophytic fungi that inhabit in different tissues of medicinal plants. In this study, a culture-independent survey of fungal diversity in the rhizosphere, leaves, stems and roots of a toxic medicinal plant, Stellera chamaejasme L., was conducted by sequence analysis of clone libraries of the partial internal transcribed spacer region. Altogether, 145 fungal OTUs (operational taxonomic units), represented by 464 sequences, were found in four samples, of these 109 OTUs (75.2 %) belonging to Ascomycota, 20 (13.8 %) to Basidiomycota, 14 (9.7 %) to Zygomycota, 1 (0.7 %) to Chytridiomycota, and 1 (0.7 %) to Glomeromycota. The richness and diversity of fungal communities were strongly influenced by plant tissue environments, and the roots are associated with a surprisingly rich endophyte community. The endophyte assemblages associated with S. chamaejasme were strongly shaped by plant tissue environments, and exhibited a certain degree of tissue specificity. Our results suggested that a wide variety of fungal assemblages inhabit in S. chamaejasme, and plant tissue environments conspicuously influence endophyte community structure.

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Section: Discussionsupporting

confidence: 51%

Section: Discussionmentioning

confidence: 99%

Phylogenic diversity and tissue specificity of fungal endophytes associated with the pharmaceutical plant, Stellera chamaejasme L. revealed by a cultivation-independent approach

Jin

Yang

et al. 2015

Antonie van Leeuwenhoek

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“…The high frequency of isolation of these endophytic fungi compared to others might be due to spore abundance in the plant tissue (Verma et al, 2013). The sterile mycelia CaEF9, CaEF10, CaEF11, CaEF12, and CaEF13 were present in rainy season, CaEF11 and CaEF13 in summer season while none were present in winter season.…”

Section: Colonization and Isolation Frequency Of Endophytic Fungi Isomentioning

confidence: 90%

Foliar Endophytic Diversity of Centella asiatica (L.) Urban in Relation to Different Seasons and Leaf Age

Gupta¹,

Chaturvedi²

2017

Int.J.Curr.Microbiol.App.Sci

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“…Endophytic fungi isolated from water-stressed deserts (Bashyal et al 2005), cold-stressed arctic (Fisher et al 1995), Antarctic ocean (Rosa et al 2009;Wang et al 2006), geothermal soils (Redman et al 2002), highly diverse rain forests (Strobel 2002), dry deciduous and coastal forests (Suryanarayanan et al 2003) and mangrove swamps (Maria et al 2005). Fungal endophytes were isolated from either all or specific organs of selected hosts showing the impacts of environmental variables on their colonization frequency (CF), diversity and antimicrobial activity (Hyde and Soytong 2008;Mishra et al 2012a;Verma et al 2013). Our earth harbours almost 300,000 higher plants species, and each species represents either one or plethora of endophytic community which is well proved by the previous reports of higher plants fungal endophytes (Strobel 2002).…”

Section: Ecology and Biodiversity Of Endophytic Fungimentioning

confidence: 66%

Diversity and Biopotential of Endophytic Fungal Flora Isolated from Eight Medicinal Plants of Uttar Pradesh, India

Kharwar

Mishra

Sharma

et al. 2014

Microbial Diversity and Biotechnology in Food Security

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Endophytic fungi are hidden diversity mines of microbes that reside in the healthy and symptomless interior of plant tissues without causing any harmful effects. This chapter focuses on fungal endophytic diversity of eight medicinal plants of Uttar Pradesh, India with their biopotential ability. Total of 4,002 (38.38 % CF) endophytic isolates were recovered from 10,425 segments representing 131 endophytic fungal species belonging to different fungal classes. Out of 4,002 isolates, hyphomycetes were more pronounced with 71.43 % recovery followed by coelomycetes 16.61 %, ascomycetes 6.59 %, mycelia sterilia or unidentified 5.32 % and least from zygomycetes 0.020 %. Among total endophytic fungal species isolated, Cladosporium cladosporioides (3.39 % CF) was found to be the most dominated taxa followed by Alternaria alternata (2.35 % CF), Curvularia lunata (2.13 % CF), Aspergillus niger (1.95 % CF), Chaetomium globosum (1.85 % CF), Nigrospora oryzae (1.57 % CF) and Phoma glomerata (1.09 % CF). From a total of 131 endophytic species, 101 were tested for their antimicrobial and antioxidant activity. Out of 47 active species, 29.78 % displayed antibacterial activity, 27.65 % showed antifungal activity, 38.29 % exhibited antibacterial and antifungal activity both while only 4.25 % displayed antimalarial as well as antioxidant activity. Twenty-one endophytic fungal species were tested for extracellular production of amylase, xylanase and phosphate solubilization where 76.19 % found to produce amylase, 23.80 % for xylanase and 14.28 % exhibited phosphate-solubilization activity.

show abstract

Impact of environmental variables on the isolation, diversity and antibacterial activity of endophytic fungal communities from Madhuca indica Gmel. at different locations in India

Cited by 37 publications

References 57 publications

Phylogenic diversity and tissue specificity of fungal endophytes associated with the pharmaceutical plant, Stellera chamaejasme L. revealed by a cultivation-independent approach

Phylogenic diversity and tissue specificity of fungal endophytes associated with the pharmaceutical plant, Stellera chamaejasme L. revealed by a cultivation-independent approach

Foliar Endophytic Diversity of Centella asiatica (L.) Urban in Relation to Different Seasons and Leaf Age

Diversity and Biopotential of Endophytic Fungal Flora Isolated from Eight Medicinal Plants of Uttar Pradesh, India

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