The biogeography and genetic relationships of<i>Juniperus oxycedrus</i>and related taxa from the Mediterranean and Macaronesian regions

Boratyński, Adam; Wachowiak, Witold; Dering, Monika; Boratyńska, Krystyna; Sękiewicz, Katarzyna; Sobierajska, Karolina; Jasiñska, Anna K.; Klimko, Małgorzata; Montserrat, Josep M.; Romo, Àngel; Ok, Tolga; Didukh, Yakiv

doi:10.1111/boj.12147

Cited by 36 publications

(27 citation statements)

References 46 publications

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“…The lack of direct dependency on most of the tested morphological characters on the climatic factors of particular populations (see above) can indicate the genetic condition of leaf morphology. Similar patterns of genetic and morphological differentiation of populations were found in several other species (e.g., compare Terrab et al 2008Terrab et al 2007with Sękiewicz et al 2013, see also Boratyński et al 2014). …”

Section: Multivariate Differences Between Populationssupporting

confidence: 72%

Morphological differentiation of leaves in the relict tree Zelkova carpinifolia (Ulmaceae)

et al. 2015

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Zelkova carpinifolia is a relict tree occurring in refugial zones of south-western Eurasia. The main aim of the study was the biometrical comparison of the leaf characteristics of the species sampled in three regions of Transcaucasia. We aimed to test the hypotheses that (1) leaves from vegetative (L) shoots would be larger and more variable than those from fertile (S) shoots, (2) the leaves from the same shoot type express geographic patterns of morphological differentiation, similar to pattern described for genetic markers and (3) to verify the systematic position of Z. hyrcana and Z. carpinifolia subsp. yomraensis. The plant material was collected from 5 populations of Z. carpinifolia, one of Z. hyrcana and one of Z. carpinifolia subsp. yomraensis. The total 1482 leaves, 713 from L-and 769 S-type were measured using 26 characters. Our results show very high level of differences between leaves from the L-and S-type of shoots. The majority of leaf characters did not reveal dependence neither on geographic latitude, longitude and altitude nor on the basic climatic data. The results of multivariate analyses of S leaves revealed three group of populations, namely from (1) Colchis, (2) eastern Caucasus (3) Talysh. Thus, our biometric analyses revealed similar pattern to the haplotypic differentiation of Z. carpinifolia detected using chloroplast markers described in the literature. We did not detected significant differences in the leaf characters between supposed Z. hyrcana and/or Z. carpinifolia subsp. yomraensis, when compared to Z. carpinifolia, thus not confirming their separate taxonomic status.

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Section: Multivariate Differences Between Populationssupporting

confidence: 72%

Morphological differentiation of leaves in the relict tree Zelkova carpinifolia (Ulmaceae)

et al. 2015

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“…However, a particular set of life-history traits that are found in tree species enable them to keep high within-population genetic diversity (Petit and Hampe 2006). High genetic diversity was observed in other coniferous species from the East Mediterranean (Dagher-Kharrat et al 2007;Douaihy et al 2011;Sobierajska 2012) and from the Mediterranean in general (Terrab et al 2007;Boratyński et al 2009;Liepelt et al 2010;Dzialuk et al 2011;Boratyński et al 2014). Higher levels of genetic variability observed in East Mediterranean species compared with West Mediterranean species is believed to be related to the relatively more stable palaeoenvironmental conditions prevailing in the eastern part of the region during the last glacial cycle (Fady and Conord 2010).…”

Section: Genetic Diversitymentioning

confidence: 99%

“…However, our results are not final, mainly because nSSR-based genetic patterns do not have to follow taxonomic entities. There are some studies in which these kinds of markers helped to resolve taxonomic doubts or give some new insights (Boratyński et al 2014;Dering et al 2014), but generally reliable phylogenetic analysis requires the use of more appropriate markers and statistical tools.…”

Section: Pattern Of Differentiationmentioning

confidence: 99%

Effect of geographic range discontinuity on species differentiation—East-Mediterranean Abies cilicica: a case study

Sękiewicz

Dering

Sękiewicz

et al. 2014

Tree Genetics & Genomes

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In the present study, a genetic analysis of nuclear microsatellites was conducted in Abies cilicica populations growing in West Taurus, East Taurus, and Lebanon mountains to obtain evidence for significant genetic differentiation. Despite range fragmentation, all examined populations tended to maintain a relatively high level of genetic diversity (H E = 0.724) and showed moderate genetic differentiation (F ST = 0.134) that is frequently noted in Mediterranean tree species. However, significant inbreeding, bottleneck effect, and low effective population sizes were detected, that may negatively affect species genetic resources. Bayesian clustering revealed three distinct groups, "West Taurus", "East Taurus," and "Lebanon", which reflect geographic structure of the species natural range. Minor genetic admixture between Lebanese and East Taurus populations of A. cilicica was found, but no genetic admixture between Lebanese populations and West Taurus. We argue that significant genetic differentiation discovered among areas of species occurrence is probably due to the effect of long-lasting genetic isolation that started in that region along with the Pleistocene climatic alternation and was further enhanced with human-induced deforestations.

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“…Influence of external factors on genetic diversity of the junipers including geographical proximity (Oostermeijer & Knegt, 2004;Sobierajska et al, 2016), long-term evolution (Hantemirova et al, 2012;Filipowicz et al, 2006;Meloni et al, 2006;Boratyński et al, 2014) has been shown in previous studies. However, there are only few studies where habitat-related peculiarities are mentioned: association between ISSR-related data and habitat type of populations have been described for J. brevifolia populations from the Azorean archipelago (Silva et al, 2011) and J. communis from Wales and England (Van der Merwe et al, 2000).…”

Section: Discussionmentioning

confidence: 62%

Genetic diversity of Lithuanian populations of Juniperus communis L. in relation to abiotic and biotic factors

et al. 2016

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Juniperus communis L. is increasingly threatened in many parts of Europe, including the Baltic region. Our present study was aimed at evaluation of genetic diversity of J. communis populations of Lithuania. Fourteen selected populations differed in geography and habitats (coastal brown dunes covered with natural Scots pine forests, further referred as B; J. communis shrubs, F; transition mires and quaking bogs, D; subcontinental moss Scots pine forests, G; xero-thermophile fringes, E). Molecular variance was analyzed among populations (140 individuals, in total), employing 14 Inter Simple Sequence Repeat (ISSR) markers. Percentage of polymorphic loci differed between populations belonging to the different habitat type, being the highest for population representing habitat F (68.2%) and the lowest for populations D (42.9%). The data demonstrate the possibility to underestimate or overestimate this parameter if some habitat populations are bypassed. Means per population of Nei's gene diversity and Shannon's information indexes, were 0.158 and 0.239, respectively. Significant correlation between genetic and geographic distance of populations of J. communis was documented by Mantel test. Bayesian analysis of ISSR data has separated populations of Southern Lithuania from Northern part. Juniperus communis populations representing different habitats showed moderate interpopulation variance at ISSR loci. In ISSR-based dendrograms, individuals were correctly allocated to populations, even in case of populations growing in 0.5 km vicinity (habitats D and G). Among all populations the most distinct one was representing habitat of J. communis shrubs (F) protected by EUNIS. Principal coordinate analysis of weighted averages of Ellenberg's indicator values (EIV) for herbaceous species, separated populations according to habitat type, while the same type analysis of ISSR data allowed distinguishing E habitat populations from populations of all other habitat type but G. Our study shows that on the local (Lithuanian) scale, molecular variance between populations of J. communis at ISSR loci might be related to habitat type. For evaluation and preservation of diversity of J. communis, different assessment methods should be included and management strategies should be directed in the way to retain variety of habitats encompassing both widely spread and less common ones.

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The biogeography and genetic relationships ofJuniperus oxycedrusand related taxa from the Mediterranean and Macaronesian regions

Cited by 36 publications

References 46 publications

Morphological differentiation of leaves in the relict tree Zelkova carpinifolia (Ulmaceae)

Morphological differentiation of leaves in the relict tree Zelkova carpinifolia (Ulmaceae)

Effect of geographic range discontinuity on species differentiation—East-Mediterranean Abies cilicica: a case study

Genetic diversity of Lithuanian populations of Juniperus communis L. in relation to abiotic and biotic factors

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