Development of real-time PCR technique for the estimation of population density of Pythium intermedium in forest soils.

Abstract:

:Pythium intermedium is known to play an important role in the carbon cycling of cool-temperate forest soils. In this study, a fast, precise and effective real-time PCR technique for estimating the population densities of P. intermedium from soils was developed using species-specific primers. Specificity was confirmed both with conventional PCR and real-time PCR. The detection limit (sensitivity) was determined and amplification standard curves were generated using SYBR Green II fluorescent dye. A rapid and accurate assay for quantification of P. intermedium in Takayama forest soils of Japan was developed using a combination of a new DNA extraction method and PCR primers were developed for real-time PCR. And the distribution of P. intermedium in forest soil was investigated with both soil plating method and the developed real-time PCR technique. This new technique will be a useful tool and can be applied to practical use for studying the role of Pythium species in forest and agricultural ecosystems.

journal_name

Microbiol Res

journal_title

Microbiological research

authors

Li M,Senda M,Komatsu T,Suga H,Kageyama K

doi

10.1016/j.micres.2009.11.010

subject

Has Abstract

pub_date

2010-10-20 00:00:00

pages

695-705

issue

8

eissn

0944-5013

issn

1618-0623

pii

S0944-5013(09)00113-X

journal_volume

165

pub_type

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