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Molecular Tools for Rapid and Accurate Detection of Black Truffle (Tuber melanosporum Vitt.) in Inoculated Nursery Plants and Commercial Plantations in Chile Chilean J. Agric. Res.
Cordero,Cecilia; Cáceres,Pablo; González,Gloria; Quiroz,Karla; Carmen,Bravo; Ramírez,Ricardo; Caligari,Peter D.S; Carrasco,Basilio; García-Gonzales,Rolando.
Truffle (Tuber melanosporum Vitt.) culture is an agroforestry sector in Chile of increasing interest due to the high prices that truffles fetch in the national market and the recent evidence that its commercial production is possible in Chilean climatic and soil conditions. In this study, the efficiency of three methods of DNA extraction from a mix of 5 g of soil and roots from both nursery and field plants of Quercus ilex L. mycorrhized with T. melanosporum were evaluated, and a simple and reproducible protocol was established. Detection of T. melanosporum was performed by the technique of cleaved amplified polymorphic sequence (CAPS) from amplicons generated with the primers ADL1 (5´-GTAACGATAAAGGCCATCTATAGG-3´) and ADL3 (5´-CGTTTTTCCTGAACTCTTCATCAC-3`),...
Tipo: Journal article Palavras-chave: Ectomycorrhizas; Molecular markers; PCR; CAPS; Ectomicorrizas; Marcadores moleculares; PCR; CAPS.
Ano: 2011 URL: http://www.scielo.cl/scielo.php?script=sci_arttext&pid=S0718-58392011000300022
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Efficient protocols for the extraction of microbial DNA from the rhizosphere of hydrophilic forests in Chile Ciencia e Investigación Agraria
Cáceres,Pablo; Cordero,Cecilia; González,Gloria; Quiroz,Karla; Bobadilla,Juan C; Bravo,Carmen; Caligari,Peter D.S; Carrasco,Basilio; García-Gonzales,Rolando.
A lysis buffer-based protocol (Protocol BA), a modified lysis buffer-based protocol (Protocol BA Mod) and a commercial extraction kit (Protocol PS Kit) (Power Soil, Mo bio Laboratories, CA USA) were each evaluated for their ability to produce high-quality DNA with yields sufficient to allow its use in biodiversity studies. Similarly, the effect of liquid nitrogen on the process of cell disruption in all of the protocols that were studied. DNA yields ranged from 12.4 ng g-1 of processed soil to 9620 ng g-1 using the modified lysis buffer and commercial extraction kit, respectively. The quality of the DNA was determined by the ability of the DNA to produce efficient and reproducible polymerase chain reaction (PCR) products, using primers for universal 16S...
Tipo: Journal article Palavras-chave: Hydrophilic forests; 16S ribosomal RNA; PCR; Rhizosphere; Soil DNA extraction.
Ano: 2012 URL: http://www.scielo.cl/scielo.php?script=sci_arttext&pid=S0718-16202012000300018
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