Challenges for effective marker-assisted selection in plants

Hospital, Frederic F.

doi:10.1007/s10709-008-9307-1

Cited by 122 publications

(69 citation statements)

References 71 publications

(60 reference statements)

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“…At least, that is the intention of marker-assisted selection (MAS). In practice, MAS has met with mixed success in plant breeding programs (Collard and Mackill, 2008;Hospital, 2009). In the autotetraploid crop potato (Solanum tuberosum L.), markers have been demonstrated to be useful for certain disease resistances (e.g.…”

Section: Linkage Mapping and Qtl Analysis -Part Imentioning

confidence: 99%

Genetic mapping in polyploids

Bourke¹

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Section: Linkage Mapping and Qtl Analysis -Part Imentioning

confidence: 99%

Genetic mapping in polyploids

Bourke¹

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“…Our results demonstrate the utility of the proposed strategies for MAS for seedlessness in crosses derived from Crimson Seedless, but also suggest that there should be a widespread use for Sultanina-derived seedlessness in table grape breeding. From the point of view of the breeder, MAS must be more efficient than methods already available, considering investments and returns (Hospital 2009). The utilization of multiplex PCR protocols and high-throughput genotyping assays (such as SNP determination technologies) will make MAS approaches cheaper and will allow the simultaneous selection for many traits, such as berry skin color, Muscat flavor, and disease resistances through genomic selection.…”

Section: Marker Assisted Selection For Stenospermocarpic Seedlessnessmentioning

confidence: 99%

Marker assisted selection for seedlessness in table grape breeding

Karaagac

Vargas²,

Andrés³

et al. 2012

Tree Genetics & Genomes

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Seedlessness is one of the most appreciated traits in the table grape (Vitis vinifera L.). The development of new seedless varieties is expensive and time consuming, involving the generation and selection of thousands of hybrids each year. In seeded × seedless crosses, seedlessness commonly segregates 1:1, so molecular markers allowing for the early identification of plants that will produce seedless berries are very useful. This early selection can lead to savings in maintenance and evaluation costs, and allows additional space for larger effective progenies. The variety Sultanina has been the main source of stenospermocarpic seedlessness in table grape breeding. In a previous work, we showed a 198-bp allele at the VMC7F2 microsatellite locus as a potential marker for selection of seedless genotypes due to its close linkage to the major effect seedless QTL, SDI. In this study, we show that stenospermocarpic bred cultivars share a main haplotype around this locus not found in seeded cultivars, which facilitating the development and use of marker assisted selection (MAS) strategies for the selection of seedless plants. In this way, VMC7F2 on its own can be a very useful marker for selecting seedless individuals from segregating crosses. A MAS program based on the presence of the 198-bp allele at VMC7F2 allows the reduction of the progeny size to 54%, selecting most of the seedless individuals. In addition, our results show the existence of other possible sources of stenospermocarpic seedlessness that could provide alternative sources of genetic variation for breeding of this trait. Communicated by D. GrattapagliaElectronic supplementary material The online version of this article

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“…Considerable efforts have meanwhile been taken to genetically dissect rice cold tolerance using DNA markers, resulting in the discovery and mapping of many quantitative trait loci (QTLs) associated with rice cold tolerance (Misawa et al 2000;Qian et al 2000;Andaya and Mackill 2003;Han et al 2004;Zhang et al 2005;Han et al 2007;Lou et al 2007;Jiang et al 2008;Iwata et al 2010;Ji et al 2010). Unfortunately, results from these genetic studies have not been directly applicable to marker-assisted selection for improvement of cold tolerant rice owing to possible epistasis and gene × environment interactions associated with the identified QTLs (Hospital 2009 …”

Section: Introductionmentioning

confidence: 99%

A Quick and Simple In-house Screening Protocol for Cold-Tolerance at Seedling Stage in Rice

Khatun¹,

Biswas²,

Hwang³

et al. 2016

Plant Breed. Biotech.

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This is an Open-Access article distributed under the terms of the Creative Commons Attribution Non-Commercial License (http://creativecommons.org/licenses/by-nc/4.0) which permits unrestricted non-commercial use, distribution, and reproduction in any medium, provided the original work is properly cited. ABSTRACT Cold stress is an emerging threat for rice production in Bangladesh particularly in Boro season (winter rice) at seedling stage. Cold stress during seedbed stage or early establishment stage at the main field induces severe seedling mortality that increases cost cultivation and delays crop establishment and ultimately entails into low yield. Development of sustainable cold tolerant high yielding rice varieties warrants an efficient and economic screening technique of germplasms and breeding population. The protocols for cold screening that so far have been used by the breeders and reported in literature are generally dependent on natural cool temperature and/or expensive climate chamber. In this paper, we report an in-house screening protocol that requires less than three weeks to complete the screening cycle and can be used all year round for mass screening of breeding population.

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Challenges for effective marker-assisted selection in plants

Cited by 122 publications

References 71 publications

Genetic mapping in polyploids

Genetic mapping in polyploids

Marker assisted selection for seedlessness in table grape breeding

A Quick and Simple In-house Screening Protocol for Cold-Tolerance at Seedling Stage in Rice

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