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231224s2008 xx |||||o 00| ||eng c |
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|a 10.1111/j.1529-8817.2008.00540.x
|2 doi
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|a pubmed25n0863.xml
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|a eng
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| 100 |
1 |
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|a Vis, Morgan L
|e verfasserin
|4 aut
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| 245 |
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|a PHYLOGEOGRAPHY OF BATRACHOSPERMUM MACROSPORUM (BATRACHOSPERMALES, RHODOPHYTA) FROM NORTH AND SOUTH AMERICA(1)
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|c 2008
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|a Text
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|2 rdacontent
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|a ƒaComputermedien
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|a ƒa Online-Ressource
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|a Date Completed 05.04.2016
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|a Date Revised 04.04.2016
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|a published: Print-Electronic
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|a Citation Status PubMed-not-MEDLINE
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|a © 2008 Phycological Society of America.
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|a Phylogeographic trends in Batrachospermum macrosporum Mont. were investigated using the mitochondrial intergenic spacer between the cytochrome oxidase subunit 2 and 3 genes (cox2-3). A total of 11 stream segments were sampled with seven in the coastal plain of North America and four in tropical areas of South America. Fifteen thalli were sampled from seven streams, 14 thalli from two streams, and eight thalli from two streams. There were 16 haplotypes detected using 149 individuals. Of the eight haplotypes from locations in North America, all were 334 base pairs (bp) in length, and of those from South America, five were 344 bp, and three were 348 bp. Two individual networks were produced: one for the haplotypes from North America and another for those from South America, and these could not be joined due to the large number of base pair differences. This split between haplotypes from North and South America was confirmed with sequence data of the rbcL gene. There was very little genetic variation among the haplotypes from the North American locations, leading us to hypothesize that these are fairly recent colonization events along the coastal plain. In contrast, there was high variation among haplotypes from South America, and it would appear that the Amazon serves as a center of diversity. We detected considerable variation in haplotypes among streams, but frequently, a single haplotype in an individual stream segment, which is consistent with data from previous studies of other batrachospermalean taxa, may suggest a single colonization event per stream
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|a Journal Article
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|a Brazil
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|a French Guiana
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|a cox2-3 spacer
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|a freshwater
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|a rbcL gene
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|a Cameron Hodge, J
|e verfasserin
|4 aut
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|a Necchi, Orlando
|c Jr
|e verfasserin
|4 aut
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| 773 |
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|i Enthalten in
|t Journal of phycology
|d 1966
|g 44(2008), 4 vom: 15. Aug., Seite 882-8
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|x 0022-3646
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|g volume:44
|g year:2008
|g number:4
|g day:15
|g month:08
|g pages:882-8
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|u http://dx.doi.org/10.1111/j.1529-8817.2008.00540.x
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