Molecular Biotechnology

, Volume 49, Issue 1, pp 48–55 | Cite as

A Species-Specific Polymerase Chain Reaction Assay for Rapid and Sensitive Detection of Colletotrichum capsici

  • C. Torres-Calzada
  • R. Tapia-Tussell
  • A. Quijano-Ramayo
  • R. Martin-Mex
  • R. Rojas-Herrera
  • I. Higuera-Ciapara
  • D. Perez-BritoEmail author


Colletotrichum capsici is an important fungal species that causes anthracnose in many genera of plants causing severe economic losses worldwide. A primer set was designed based on the sequences of the ribosomal internal transcribed spacer (ITS1 and ITS2) regions for use in a conventional PCR assay. The primer set (CcapF/CcapR) amplified a single product of 394 bp with DNA extracted from 20 Mexican isolates of C. capsici. The specificity of primers was confirmed by the absence of amplified product with DNA of four other Colletotrichum species and eleven different fungal genera. This primer set is capable of amplifying only C. capsici from different contaminated tissues or fungal structures, thereby facilitating rapid diagnoses as there is no need to isolate and cultivate the fungus in order to identify it. The sensitivity of detection with this PCR method was 10 pg of genomic DNA from the pathogen. This is the first report of a C. capsici-specific primer set. It allows rapid pathogen detection and provides growers with a powerful tool for a rational selection of fungicides to control anthracnose in different crops and in the post-harvest stage.


Colletorichumcapsici Diagnostics ITS sequences Anthracnose Molecular detection 



We thank Angel Nexticapan-Garcez for his help in samples collection. We are also grateful to Alberto Cortes-Velazquez and Anuar A. Magaña-Alvarez for their excellent technical assistance.


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Copyright information

© Springer Science+Business Media, LLC 2011

Authors and Affiliations

  • C. Torres-Calzada
    • 1
  • R. Tapia-Tussell
    • 1
  • A. Quijano-Ramayo
    • 1
  • R. Martin-Mex
    • 1
  • R. Rojas-Herrera
    • 3
  • I. Higuera-Ciapara
    • 2
  • D. Perez-Brito
    • 1
    Email author
  1. 1.Laboratorio GeMBioCentro de Investigación Científica de Yucatán A.CMéridaMéxico
  2. 2.Centro de Investigación Científica de Yucatán A.CMéridaMéxico
  3. 3.Facultad de Ingeniería QuímicaUADYMéridaMéxico

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