Recent, Late Pleistocene fragmentation shaped the phylogeographic structure of the European black pine (Pinus nigra Arnold)

Scotti‐Saintagne, Caroline; Giovannelli, Guia; Roig, Anne; Spanu, Ilaria; Vendramin, Giovanni G.; Guibal, Frédéric; Fady, Bruno

doi:10.1007/s11295-019-1381-2

Cited by 16 publications

(16 citation statements)

References 61 publications

(73 reference statements)

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“…Giovannelli et al (2019) recently reported the need for revising the infraspecific taxonomy of this pine species based on the integration of molecular data with its demographic history resulting from geological events. Regarding the wide and patchy distribution of P. nigra, it was expected a strong genetic differentiation among populations and a low within-population genetic diversity (Giovannelli et al 2019;Scotti-Saintagne et al 2019). However, these authors reported a weak genetic spatial structure probably resulting from the fragmentation of an ancestral population at the late Pleistocene or early Holocene into six to seven genetic lineages with high gene flow among them, actively contributing for admixture (Giovannelli et al 2019;Scotti-Saintagne et al 2019).…”

Section: Discussionmentioning

confidence: 99%

“…The populations of P. nigra studied by various authors presented high variation at different levels (Scaltsoyiannes et al 1994;Rafii et al 1996;Quézel and Médail 2003;Bogunić et al 2003Bogunić et al , 2007Bogunić et al , 2009 Afzal- Rafii and Dodd 2007;del Cerro et al 2009;Rubio-Moraga et al 2012;Bonavita et al 2016). Due to their geographically fragmented distribution areas, a reduced intrapopulation genetic diversity for these P. nigra populations is expected (Scotti-Saintagne et al 2019). Nonetheless, recent molecular studies revealed a weak genetic spatial structure originated from events that occurred in the late Pleistocene or early Holocene (Giovannelli et al 2019;Scotti-Saintagne et al 2019).…”

Section: Introductionmentioning

confidence: 99%

“…Due to their geographically fragmented distribution areas, a reduced intrapopulation genetic diversity for these P. nigra populations is expected (Scotti-Saintagne et al 2019). Nonetheless, recent molecular studies revealed a weak genetic spatial structure originated from events that occurred in the late Pleistocene or early Holocene (Giovannelli et al 2019;Scotti-Saintagne et al 2019). These events fragmented one ancestral P. nigra population into six to seven distinct genetic lineages with high gene flow among them (Giovannelli et al 2019;Scotti-Saintagne et al 2019).…”

Section: Introductionmentioning

confidence: 99%

“…Nonetheless, recent molecular studies revealed a weak genetic spatial structure originated from events that occurred in the late Pleistocene or early Holocene (Giovannelli et al 2019;Scotti-Saintagne et al 2019). These events fragmented one ancestral P. nigra population into six to seven distinct genetic lineages with high gene flow among them (Giovannelli et al 2019;Scotti-Saintagne et al 2019). The same authors proposed the revision of the infraspecific taxonomy of P. nigra species on five subspecies with Mediterranean distribution based on the length and stiffness of needles: (i) salzmannii (Dunal) Franco; (ii) nigra Arnold; (iii) dalmatica (Visiani) Franco; (iv) pallasiana (Lambert) Holmboe and (v) laricio (Poiret) Maire (Gaussen et al 1993), and a sixth subspecies, P. nigra subsp.…”

Section: Introductionmentioning

confidence: 99%

“…mauretanica (Maire and Peyerimh) Heywood assigned to the North of Africa (Bussotti 2002). Scotti-Saintagne et al (2019) proposed to name the recently discovered six lineages of P. nigra using regionally accepted subspecies-level names. Additionally to the six main inter-fertile P. nigra subspecies agreed so far (Quézel and Médail 2003), some of those are also divided into two to four regional varieties (Christensen 1997; Barbéro et al 1998;Price et al 1998;Bussotti 2002).…”

Section: Introductionmentioning

confidence: 99%

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Portuguese Pinus nigra J.F. Arnold populations: genetic diversity, structure and relationships inferred by SSR markers

Dias

Giovannelli

Fady

et al. 2020

Annals of Forest Science

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& Key message Pinus nigra J.F. Arnold has an ecological and economic interest in Europe, but many of the planted populations have an unknown origin and infraspecific taxonomy. Six Portuguese P. nigra populations characterised with microsatellites revealed high intra-population diversity structured into two clusters with low differentiation that might suggest two provenances or infraspecific taxa. Despite compared with foreign samples from different subspecies, we were not able to infer about the origin or infraspecific taxonomy of the Portuguese populations based on the pooled microsatellite data. & Context Many of the European Pinus nigra J.F. Arnold forests were planted with the material of unknown origin. Efforts have been made to determine their provenances and infraspecific taxonomy regarding their relevance for defining strategies of genetic resources conservation, germplasm use, forest management and genetic improvement. The Portuguese P. nigra populations are allochthonous, and their provenance and infraspecific taxonomy are unknown. & Aims With this work, we intended to characterise the Portuguese P. nigra populations regarding its genetic diversity, structure and relationships using simple sequence repeat (SSR) markers and/or to infer about its origin and infraspecific taxonomy by comparing the SSR patterns of foreign P. nigra samples of known taxonomic classification. & Methods A total of 224 Portuguese P. nigra individuals from six populations were characterised using 14 SSR markers developed specifically to different Pinus sp., including P. nigra, by other authors. & Results Thirteen SSR loci were selected and showed 100% of polymorphism among individuals. The genetic diversity was higher within (95%) rather than among (5%) populations. The Portuguese individuals were structured into two main clusters (K = 2) with low genetic differentiation (F ST = 0.04), and the foreign samples were genetically distant from the Portuguese individuals. & Conclusion The six Portuguese P. nigra populations revealed high genetic diversity and seemed to be structured into two main clusters with low differentiation suggesting two provenances or infraspecific taxa. Nonetheless, the comparative analyses with foreign samples did not allow a clear inference about its origin and/or infraspecific taxonomy. Additional foreign samples and/or molecular markers will be tested to pursue these goals.

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Section: Discussionmentioning

confidence: 99%

Section: Introductionmentioning

confidence: 99%

Section: Introductionmentioning

confidence: 99%

Section: Introductionmentioning

confidence: 99%

Section: Introductionmentioning

confidence: 99%

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Portuguese Pinus nigra J.F. Arnold populations: genetic diversity, structure and relationships inferred by SSR markers

Dias

Giovannelli

Fady

et al. 2020

Annals of Forest Science

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Chemotaxonomic Differentiation of Pinus Species Based on n‐Alkane and Long‐Chain Alcohol Profiles of Needle Cuticular Waxes

Gaspar

Nunes

Rodrigues

et al. 2023

Chemistry & Biodiversity

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n‐Alkane and long‐chain alcohol (LCOH) profiles of needle cuticular waxes of nine provenances of three Pinus species (P. taeda. P. pinaster and P. pinea) were determined and their chemotaxonomic importance was studied. n‐Alkanes concentrations were very low in all Pinus spp. A lack of ability of these compounds to differentiate Pinus spp. and their provenances was observed. LCOH concentrations were much higher, being nonacosan‐10‐ol (10‐C29‐OH) the most abundant one in all Pinus spp. Total LCOH concentrations varied (P<0.001) between Pinus spp. with P. taeda presenting the highest (P<0.05) value and P. pinea the lowest one. Differences in LCOH profiles were large (P<0.001) and allowed separation of Pinus spp. in the Principal Component Analysis (PCA). Although a noticeable separation of individuals was not observed. cluster analysis on LCOH concentrations allowed a clear distinction between species, indicating their potential to be used as chemotaxonomic markers to differentiate provenances of different Pinus spp.

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Signature of mid‐Pleistocene lineages in the European silver fir (Abies alba Mill.) at its geographic distribution margin

Scotti‐Saintagne

Boivin

Suez

et al. 2021

Ecology and Evolution

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Recent, Late Pleistocene fragmentation shaped the phylogeographic structure of the European black pine (Pinus nigra Arnold)

Cited by 16 publications

References 61 publications

Portuguese Pinus nigra J.F. Arnold populations: genetic diversity, structure and relationships inferred by SSR markers

Portuguese Pinus nigra J.F. Arnold populations: genetic diversity, structure and relationships inferred by SSR markers

Chemotaxonomic Differentiation of Pinus Species Based on n‐Alkane and Long‐Chain Alcohol Profiles of Needle Cuticular Waxes

Signature of mid‐Pleistocene lineages in the European silver fir (Abies alba Mill.) at its geographic distribution margin

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