Molecular phylogeny of large miliolid foraminifera - University of ...
Molecular phylogeny of large miliolid foraminifera - University of ...
Molecular phylogeny of large miliolid foraminifera - University of ...
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64M. Holzmann et al. / Marine Micropaleontology 43 2001) 57±74Fig. 1. Phylogenetic tree based on the complete SSU rRNA gene <strong>of</strong> two alveolinid genera and eleven soritacean genera using maximumlikelihood analysis. The tree is rooted in Alveolinidae. Bootstrap values are based on 100 resampling. 1664 out <strong>of</strong> a total <strong>of</strong> 3006 sites were usedfor analysis.<strong>of</strong> 50 ml. The thermal cycle parameters consisted <strong>of</strong>40 cycles <strong>of</strong> 30 s at 948C, 30 s at 508C and 120 s at728C, followed by 5 min at 728C for ®nal extension.The ampli®ed PCR products were puri®ed using HighPure PCR Puri®cation Kit Roche Diagnostics), thenligated into pGEM-T Vector system Promega) andcloned in XL-2 Ultracompetent Cells Stratagene).Sequencing reactions were prepared by using ABI-PRISM Big Dye Terminator Cycle Sequencing Kitand analyzed with an ABI-377 DNA sequencerPerkin±Elmer), all according to the manufacturer'sinstructions.The complete SSU rDNA was ampli®ed in threeoverlapping fragments by using the followingprimer pairs: sA10±s13, s6r±s17, s14F3±sBfTable 3). Partial SSU rDNA sequences wereobtained by ampli®cation with the primer pairs14F3±sBf Table 3). The new sequences reportedin this paper have been deposited in the EMBL/GenBank database under accession numbersAJ278048-AJ278062 and AJ404294-AJ278062Table 1). The sequences <strong>of</strong> P. pertususZ69604) and Sorites orbiculus AJ132369) werepublished by Pawlowski et al. 1999).