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- W2039828557 abstract "Abstract The Centaurea parlatoris group belongs to sect. Dissectae and is one of the most taxonomically critical groups in Sicily. The taxa included in it inhabit dry slopes, pastures and rocky places. Some of them are narrow endemics to Sicily, and others to Italy. The great morphological variability at the intrapopulation level has not permitted the creation of an adequate taxonomic scheme. The recent proposal of two new species from Sicily confirms the insufficient knowledge of the taxonomic diversity. This study involves eight Sicilian populations of the C. parlatoris group. Seven loci from nine enzyme systems [isocitrate dehydrogenase (IDH), malate dehydrogenase (MDH), 6-phosphogluconate dehydrogenase (6-PGD), phosphoglucomutase (PGM), alcohol deydrogenase (ADH), shikimate deydrogenase (SKD), leucine aminopeptidase (LAP), glutamate-oxaloacetate transaminase (GOT) and phosphoglucoisomerase (PGI)] were examined. A total of 23 alleles were identified; seven were fixed in different populations, others were rare. The allele frequencies and the genetic variability values for each population were calculated. The highest intrapopulation variability was found in the populations of Monte Occhio and San Martino (71.4%), as well as in C. giardinae and C. sicana (57.1%). The lowest values were registered in the population of Isnello. The obtained dendrogram reflects the recent taxonomic treatment of the group. The study can provide means for both assessment of the future impact of erosion on diversity and elaboration of effective conservation strategies for these endemic taxa. Keywords: Centaureaendemicsgenetic diversityisozymeSicily Acknowledgements The authors are grateful to Emanuele Schimmenti, Giovanni Scafidi and Emilio Di Gristina from the Botanical Garden of Palermo for their assistance during the field work. Thanks are due also to Giuseppe Baiamonte for the technical assistance in preparing the figures. Financial support by the Italian Ministry of Education, University and Research – Palermo University (PRIN project 2007) is gratefully acknowledged. We also thank the two anonymous referees for providing critical comments and helpful suggestions on the manuscript." @default.
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- W2039828557 date "2011-10-12" @default.
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- W2039828557 title "Assessing the genetic diversity of<i>Centaurea parlatoris</i>group (sect.<i>Dissectae</i>, Compositae) in Sicily using isozymes" @default.
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- W2039828557 doi "https://doi.org/10.1080/11263504.2011.629462" @default.
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