Volume 80, no. 6, p. 19851994, 2014. Page 1986, column 1, paragraph 5, lines 7 to 10: For the PowerMax soil DNA isolation kit, the sediment was vigorously shaken with autoclaved metal beads (5 mm in diameter) using a Shake Master auto (Bio Medical Science, Tokyo, Japan) operated at 1,500 rpm for 10 min. should read For the PowerMax soil DNA isolation kit, the sediment (2 g) was vigorously shaken with an additional two autoclaved metal beads (5 mm in diameter) using a Shake Master auto (Bio Medical Science, Tokyo, Japan) operated at 1,100 rpm for 10 min.Page 1986, column 1, paragraph 5: The following sentence should appear at the end of the paragraph: The resulting DNA solution (5 ml) was concentrated into a 150-l volume by Amicon Ultra 0.5-ml centrifugal filters for DNA purification and concentration (UFC503008; Merck Millipore, Billerica, MA, USA).
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