Molecular genetic diversity and association mapping of nut and kernel traits in Slovenian hazelnut (Corylus avellana) germplasm

Öztürk, Süleyman Can; Öztürk, Saniye Elvan; Çelik, İbrahim; Štampar, Franci; Veberič, Robert; Doğanlar, Sami; Solar, A.; Frary, Anne

doi:10.1007/s11295-016-1098-4

Cited by 32 publications

(22 citation statements)

References 53 publications

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“…Beltramo et al (2016) [ 29 ] developed a new linkage map with SSR markers and performed a QTL analysis for vigor, sucker habit, and time of budburst. Recently, Özturk et al (2017) [ 30 ] applied association mapping for nut and kernel traits in Slovenian hazelnut germplasm.…”

Section: Introductionmentioning

confidence: 99%

High density SNP mapping and QTL analysis for time of leaf budburst in Corylus avellana L.

et al. 2018

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The growing area of European hazelnut (Corylus avellana L.) is increasing, as well as the number of producing countries, and there is a pressing need for new improved cultivars. Hazelnut conventional breeding process is slow, due to the length of juvenile phase and the high heterozygosity level. The development of genetic linkage maps and the identification of molecular markers tightly linked to QTL (quantitative trait loci) of agronomic interest are essential tools for speeding up the selection of seedlings carrying desired traits through marker-assisted selection. The objectives of this study were to enrich a previous linkage map and confirm QTL related to time of leaf budburst, using an F1 population obtained by crossing Tonda Gentile delle Langhe with Merveille de Bollwiller. Genotyping-by-Sequencing was used to identify a total of 9,999 single nucleotide polymorphism markers. Well saturated linkage maps were constructed for each parent using the double pseudo-testcross mapping strategy. A reciprocal translocation was detected in Tonda Gentile delle Langhe between two non-homologous chromosomes. Applying a bioinformatic approach, we were able to disentangle ‘pseudo-linkage’ between markers, removing markers around the translocation breakpoints and obtain a linear order of the markers for the two chromosomes arms, for each linkage group involved in the translocation. Twenty-nine QTL for time of leaf budburst were identified, including a stably expressed region on LG_02 of the Tonda Gentile delle Langhe map. The stability of these QTL and their coding sequence content indicates promise for the identification of specific chromosomal regions carrying key genes involved in leaf budburst.

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Section: Introductionmentioning

confidence: 99%

High density SNP mapping and QTL analysis for time of leaf budburst in Corylus avellana L.

et al. 2018

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“…The 30 SSR markers provided sufficient polymorphism in the 402 hazelnut accessions with 13.6 fragments per marker. This value is slightly higher than those obtained by others using SSR markers in hazelnut which varied from 3 to 10.6 fragments per primer pair (Bassil et al 2005;Boccacci et al 2005Boccacci et al , 2008Gökirmak et al 2009;Boccacci and Botta 2010;Gurcan and Mehlenbacher, 2010;Gurcan et al 2010a, b;Campa et al 2011;Bassil et al 2013;Ozturk et al, 2017). In previous work, a higher annealing temperature was used for these SSR primers (Gurcan et al, 2010a) (60 rather than 55°C).…”

Section: Marker Polymorphismmentioning

confidence: 65%

“…In another study, 275 F1 hybrids of 'Tonda Gentile delle Langhe' × 'Merveille de Bollwiller' hazelnut trees were used for quantitative trait locus (QTL) identification for traits such as vigor, sucker habit, and time of bud burst (Beltramo et al 2016). In the most recent study, kernel and nut shape traits were examined in Slovenian hazelnuts and the QTL for these traits were detected using SSR markers and association mapping analysis (Ozturk et al 2017).…”

Section: Introductionmentioning

confidence: 99%

Molecular genetic diversity of the Turkish national hazelnut collection and selection of a core set

Öztürk

Balık²,

Balık³

et al. 2017

Tree Genetics & Genomes

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European hazelnut (Corylus avellana L.) is an economically and nutritionally important nut crop with wild and cultivated populations found throughout Europe and in parts of Asia. This study examined the molecular genetic diversity and population structure of 402 genotypes including 143 wild individuals, 239 landraces, and 20 cultivars from the Turkish national hazelnut collection using simple sequence repeat (SSR) markers. A total of 30 SSR markers yielded 407 polymorphic fragments. Diversity analysis of the Turkish hazelnut genotypes indicated that they fell into three subpopulations according to ad hoc statistics and neighbor-joining algorithm. Although all cultivars clustered together, they overlapped with the wild accessions and landraces. Thus, the dendrogram, principal coordinate, and population structure analyses suggest that they share the same gene pool. A total of 78 accessions were selected as a core set to encompass the molecular genetic and morphological diversity present in the national collection. This core set should have priority in preservation efforts and in trait characterization.

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“…Akın et al (2016) identified a set of 14 primer pairs for pre-PCR multiplexing, further simplifying and reducing the cost of the procedure. More than 900 polymorphic SSR markers have been developed in C. avellana (Bassil et al, 2005a(Bassil et al, ,b, 2013Boccacci et al, 2005Boccacci et al, , 2015; Gürcan and Mehlenbacher, 2010a,b;Gürcan et al, 2010;Mehlenbacher, 2017, 2018;Colburn et al, 2017;Öztürk et al, 2017;Zhao et al, 2019;Kavas et al, 2020;Hill et al, 2021;Şekerli et al, 2021) of which ∼450 have been placed on the reference linkage map (Mehlenbacher et al, 2006;Mehlenbacher and Bhattarai, 2018).…”

Section: Introductionmentioning

confidence: 99%

New Sources of Eastern Filbert Blight Resistance and Simple Sequence Repeat Markers on Linkage Group 6 in Hazelnut (Corylus avellana L.)

et al. 2021

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Commercial production of hazelnut (Corylus avellana) in Oregon’s Willamette Valley is threatened by eastern filbert blight (EFB), a serious canker disease caused by the pyrenomycete Anisogramma anomala (Peck) E. Müller. The fungus also prevents the establishment of hazelnut orchards in eastern North America. Genetic resistance is considered the most effective way to control the disease. A high level of EFB resistance was first discovered in ’Gasaway’. This resistance is conferred by a dominant allele at a single locus on linkage group 6 (LG6). Resistance from several additional sources has been assigned to the same chromosomal region. In this study, new simple sequence repeat (SSR) markers were developed for the resistance region on LG6 and new sources of resistance were investigated. Forty-two new SSR markers were developed from four contigs in the genome sequence of ‘Jefferson’ hazelnut, characterized, and nine of them were placed on LG6 of the genetic map. Accessions representing 12 new sources of EFB resistance were crossed with susceptible selections resulting in 18 seedling populations. Segregation ratios in the seedling populations fit the expected 1:1 ratio for 10 sources, while one source showed an excess of resistant seedlings and another showed an excess of susceptible seedlings. Based on correlation of disease response and scores of SSR markers in the ‘Gasaway’ resistance region in the seedlings, eight resistance sources were assigned to LG6. Linkage maps were constructed for each progeny using SSR markers. The LG6 resistance sources include two selections (#23 and #26) from the Russian Research Institute of Forestry and Mechanization near Moscow, four selections from southern Russia, one selection (OSU 1185.126) from Crimea, one selection (OSU 533.129) from Michigan, Corylus heterophylla ‘Ogyoo’ from the South Korea, and the interspecific hybrid ’Estrella #1’. These new LG6 resistance sources and SSR markers should be useful in breeding new cultivars, including the pyramiding of resistance genes. For the other four resistance sources (Moscow #37, hybrid selection OSU 401.014, C. americana ‘Winkler’ and C. americana OSU 366.060), SSR marker scores on linkage groups 6, 7 and 2 were not correlated with disease response and merit further investigation.

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Molecular genetic diversity and association mapping of nut and kernel traits in Slovenian hazelnut (Corylus avellana) germplasm

Cited by 32 publications

References 53 publications

High density SNP mapping and QTL analysis for time of leaf budburst in Corylus avellana L.

High density SNP mapping and QTL analysis for time of leaf budburst in Corylus avellana L.

Molecular genetic diversity of the Turkish national hazelnut collection and selection of a core set

New Sources of Eastern Filbert Blight Resistance and Simple Sequence Repeat Markers on Linkage Group 6 in Hazelnut (Corylus avellana L.)

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