Evidence map›Paper›PMID 21553047›Full record

ArticleMolecular biology reports2012

Characterization of Malaysian Trichoderma isolates using random amplified microsatellites (RAMS).

Shafiquzzaman Siddiquee, Soon Guan Tan, Umi Kalsom Yusuf, Nur Hasan Nudin Fatihah, Md Mainul Hasan

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Article in Molecular biology reports, 2012. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 4 papers.

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4citing papers in PubMed
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3 · Its place in the literature

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4 citing papers in PubMed.

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4 · The record

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5 · Who and what money

Authors and funding

5 authors.

Shafiquzzaman SiddiqueeBiotechnology Research Institute, Universiti Malaysia Sabah, Jln UMS, 88400, Kota Kinabalu, Sabah, Malaysia. shafiqpab@yahoo.com
Soon Guan Tan
Umi Kalsom Yusuf
Nur Hasan Nudin Fatihah
Md Mainul Hasan

Funding

No grant is acknowledged in the PubMed record.

6 · The paper itself

Abstract

Trichoderma species are commercially applied as biocontrol agents against numerous plant pathogenic fungi due to their production of antifungal metabolites, competition for nutrients and space, and mycoparasitism. However, currently the identification of Trichoderma species from throughout the world based on micro-morphological descriptions is tedious and prone to error. The correct identification of Trichoderma species is important as several traits are species-specific. The Random Amplified Microsatellites (RAMS) analysis done using five primers in this study showed different degrees of the genetic similarity among 42 isolates of this genus. The genetic similarity values were found to be in the range of 12.50-85.11% based on a total of 76 bands scored in the Trichoderma isolates. Of these 76 bands, 96.05% were polymorphic, 3.95% were monomorphic and 16% were exclusive bands. Two bands (250 bp and 200 bp) produced by primer LR-5 and one band (250 bp) by primer P1A were present in all the Trichoderma isolates collected from healthy and infected oil palm plantation soils. Cluster analysis based on UPGMA of the RAMS marker data showed that T. harzianum, T. virens and T. longibrachiatum isolates were grouped into different clades and lineages. In this study we found that although T. aureoviride isolates were morphologically different when compared to T. harzianum isolates, the UPGMA cluster analysis showed that the majority isolates of T. aureoviride (seven from nine) were closely related to the isolates of T. harzianum.

Indexed as

Soil MicrobiologyCluster AnalysisDNA PrimersMalaysiaMicrosatellite RepeatsNucleic Acid Amplification TechniquesSpecies SpecificityTrichodermaDNA Primers

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