期刊
FEMS MICROBIOLOGY ECOLOGY
卷 54, 期 1, 页码 1-11出版社
OXFORD UNIV PRESS
DOI: 10.1016/j.femsec.2005.02.015
关键词
rhizobia; nodC; group specific PCR; diversity; RFLP
类别
A group-specific primer set was developed using nodC as a target gene for the amplification of rhizobial sequence diversity from nodule isolates and total soil DNA preparations. The primer set was tested on 209 nodule isolates, recovered from six different trap plant species which were grown in two soil samples collected from a chickpea and a wheat field site in India. We also amplified and cloned PCR products from total DNA isolated from the same soil samples. The total diversity within the resulting clone libraries (1 218 clones) was higher than that recovered from trap plants, but differed depending on the PCR protocols and primers used. However, some plant-selected genotypes could not be obtained using the community approach, probably due to variable detection limits and limited clone library sizes. (c) 2005 Federation of European Microbiological Societies. Published by Elsevier B.V. All rights reserved.
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