2015
DOI: 10.1590/s1517-838246420140787
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Abstract: This study investigated lytic enzyme activities in three indigenous Trichoderma strains namely, Trichoderma asperellum, Trichoderma harzianum and Trichoderma sp. Native Trichoderma strains and a virulent strain of Rhizoctonia solani isolated from infected bean plants were also included in the study. Enzyme activities were determined by measuring sugar reduction by dinitrosalicylic acid (DNS) method using suitable substrates. The antagonists were cultured in minimal salt medium with the following modifications:… Show more

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Cited by 19 publications
(10 citation statements)
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References 46 publications
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“…Xylanase activities reported in earlier studies were very poor in the range 14. U/gds (Marx et al 2013) and 162 U/mL (Asad et al 2015), which is the highest xylanase activity ever reported prior to this study. Finding in this study therefore suggested the potential of T. asperellum for enhanced xylanase production Growth rate and the corresponding xylanase productivity by T. asperellum USM SD4 were determined.…”
Section: Optimization Of Xylanase Production By T Asperellum Usm Sd4mentioning
confidence: 50%
“…Of specific importance is the genus Trichoderma. Species of Trichoderma (e.g., T. reesei) have been well investigated for the production of several hydrolytic enzymes including xylanase and cellulases and are well studied as bio-control agents against plant fungal pathogens (Asad et al 2015). Notable among the species of Trichoderma is T. asperellum, which is identified as a prominent mycoparasite non-pathogenic symbiont of plants and is most commonly used to produce biocontrol agents against plant pathogens (Asad et al 2015).…”
Section: Introductionmentioning
confidence: 99%
See 1 more Smart Citation
“…(Lima et al 1999), T. virens (Baek et al 1999). However, studies in T. asperellum have only recently begun and only focused on chitinase coding genes, its characterisation and activity (Loc et al 2011(Loc et al , 2013Kumar et al 2012a;Nadarajah et al 2014;Asad et al 2015;Wu et al 2017;Pandian et al 2018;Liu et al 2019, etc. ).…”
Section: Introductionmentioning
confidence: 99%
“…Otros metabolitos secundarios de importancia agrícola sintetizados por especies de Trichoderma se relacionan con compuestos volátiles y no volátiles con actividad antimicrobiana y defensa vegetal, destacando diterpenos tetracíclicos (por ejemplo, harziandione), sesquiterpenos (por ejemplo, tricotecenos, tricodermin, y harzianum A), y el triterpeno viridin (Zeilinger et al, 2016), que confieren sus propiedades como agente de biocontrol hacia organismos fitopatógenos (Asad et al, 2015;Chen et al, 2016). El éxito de Trichoderma como biocontrolador se basa en su capacidad de sintetizar compuestos antagónicos (proteínas, enzimas y antibióticos), y sustancias promotoras de crecimiento (vitaminas y hormonas), beneficiando así a los cultivos agrícolas (Navaneetha et al, 2015).…”
Section: Metabolitos Secundarios: Enzimas Y Otros Subproductos Derivaunclassified