Endophytic fungi occurring in Ipomoea carnea tissues and their antimicrobial potentials

The aim of this work was to study the endophytic fungi associated with the tissues of Ipomoea carnea, a common invasive plant of India. A total of 69 isolates belonging to ten taxa comprising 1.45% Zygomycetes, 10.14% Coelomycetes, 62.32% Hypomycetes, 18.84% sterile mycelia and 7.25% unidentified sp...

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Main Authors: Kumanand Tayung, Meenakshi Sarkar, Paran Baruah
Format: Article
Language:English
Published: Instituto de Tecnologia do Paraná (Tecpar) 2012-10-01
Series:Brazilian Archives of Biology and Technology
Subjects:
Online Access:http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1516-89132012000500003
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author Kumanand Tayung
Meenakshi Sarkar
Paran Baruah
author_facet Kumanand Tayung
Meenakshi Sarkar
Paran Baruah
author_sort Kumanand Tayung
collection DOAJ
description The aim of this work was to study the endophytic fungi associated with the tissues of Ipomoea carnea, a common invasive plant of India. A total of 69 isolates belonging to ten taxa comprising 1.45% Zygomycetes, 10.14% Coelomycetes, 62.32% Hypomycetes, 18.84% sterile mycelia and 7.25% unidentified species were obtained. Species of Curvularia, Aspergillus, Fusarium, Colletotrichum and sterile fungus were isolated as dominant endophytes. Colonization frequency of Curvularia (7.25%) was highest which was isolated from all the tissues. The samples collected during the monsoon harbored more endophytes and showed higher species richness than the samples obtained in summer season. Of the total isolates, 15 isolates (21.74%) displayed antimicrobial activity, inhibiting at least one of the test microorganisms that comprised of pathogenic bacteria (Staphylococcus aureus, Bacillus subtilis, Escherichia coli, Salmonella typhi, Pseudomonas fluorescens, Shigella dysentriae) and fungi (Trichophyton rubrum, Aspergillus fumigatus, Trichophyton sp). The results provided promising baseline information on the endophytic fungal diversity associated with I. carnea tissues and their potential exploitation as antimicrobial agents.
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spelling doaj.art-e53adb88c5944cf78175eeab5e78ea8a2022-12-21T23:58:11ZengInstituto de Tecnologia do Paraná (Tecpar)Brazilian Archives of Biology and Technology1516-89131678-43242012-10-0155565366010.1590/S1516-89132012000500003Endophytic fungi occurring in Ipomoea carnea tissues and their antimicrobial potentialsKumanand TayungMeenakshi SarkarParan BaruahThe aim of this work was to study the endophytic fungi associated with the tissues of Ipomoea carnea, a common invasive plant of India. A total of 69 isolates belonging to ten taxa comprising 1.45% Zygomycetes, 10.14% Coelomycetes, 62.32% Hypomycetes, 18.84% sterile mycelia and 7.25% unidentified species were obtained. Species of Curvularia, Aspergillus, Fusarium, Colletotrichum and sterile fungus were isolated as dominant endophytes. Colonization frequency of Curvularia (7.25%) was highest which was isolated from all the tissues. The samples collected during the monsoon harbored more endophytes and showed higher species richness than the samples obtained in summer season. Of the total isolates, 15 isolates (21.74%) displayed antimicrobial activity, inhibiting at least one of the test microorganisms that comprised of pathogenic bacteria (Staphylococcus aureus, Bacillus subtilis, Escherichia coli, Salmonella typhi, Pseudomonas fluorescens, Shigella dysentriae) and fungi (Trichophyton rubrum, Aspergillus fumigatus, Trichophyton sp). The results provided promising baseline information on the endophytic fungal diversity associated with I. carnea tissues and their potential exploitation as antimicrobial agents.http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1516-89132012000500003Ipomoea carneaEndophytic fungiCurvulariaantimicrobial activity
spellingShingle Kumanand Tayung
Meenakshi Sarkar
Paran Baruah
Endophytic fungi occurring in Ipomoea carnea tissues and their antimicrobial potentials
Brazilian Archives of Biology and Technology
Ipomoea carnea
Endophytic fungi
Curvularia
antimicrobial activity
title Endophytic fungi occurring in Ipomoea carnea tissues and their antimicrobial potentials
title_full Endophytic fungi occurring in Ipomoea carnea tissues and their antimicrobial potentials
title_fullStr Endophytic fungi occurring in Ipomoea carnea tissues and their antimicrobial potentials
title_full_unstemmed Endophytic fungi occurring in Ipomoea carnea tissues and their antimicrobial potentials
title_short Endophytic fungi occurring in Ipomoea carnea tissues and their antimicrobial potentials
title_sort endophytic fungi occurring in ipomoea carnea tissues and their antimicrobial potentials
topic Ipomoea carnea
Endophytic fungi
Curvularia
antimicrobial activity
url http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1516-89132012000500003
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AT meenakshisarkar endophyticfungioccurringinipomoeacarneatissuesandtheirantimicrobialpotentials
AT paranbaruah endophyticfungioccurringinipomoeacarneatissuesandtheirantimicrobialpotentials