The Taxonomy of Chinese Fragaria Species

Li, Jiajun; Xue, Li; Dai, H. P.; Deng, Min

doi:10.17660/actahortic.2014.1049.37

Cited by 12 publications

(5 citation statements)

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“…Compared with the reference genomes, there are more SNPs in the two samples, however, the number of SNPs between these two samples is extremely small as Ls-S 2 -53 and Ls-S 2 -76 are derived from same parent (Ls-S 1 -2). There are about 24 species of wild strawberry in the world, and ploidy diversity and the evolution of polyploid germplasm genomes is complex [47]. Genetic variation can be used not only to explore the genetic relationship of wild strawberries but also for genome component analysis and to deepen the understanding of polyploid origin through the development of molecular markers [16,19,48,49].…”

Section: Discussionmentioning

confidence: 99%

Identifying Genome-Wide Sequence Variations and Candidate Genes Implicated in Self-Incompatibility by Resequencing Fragaria viridis

Xiong

et al. 2019

IJMS

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It is clear that the incompatibility system in Fragaria is gametophytic, however, the genetic mechanism behind this remains elusive. Eleven second-generation lines of Fragaria viridis with different compatibility were obtained by manual self-pollination, which can be displayed directly by the level of fruit-set rate. We sequenced two second-generation selfing lines with large differences in fruit-set rate: Ls-S2-53 as a self-incompatible sequencing sample, and Ls-S2-76 as a strong self-compatible sequencing sample. Fragaria vesca was used as a completely self-compatible reference sample, and the genome-wide variations were identified and subsequently annotated. The distribution of polymorphisms is similar on each chromosome between the two sequencing samples, however, the distribution regions and the number of homozygous variations are inconsistent. Expression pattern analysis showed that six candidate genes were significantly associated with self-incompatibility. Using F. vesca as a reference, we focused our attention on the gene FIP2-like (FH protein interacting protein), associated with actin cytoskeleton formation, as the resulting proteins in Ls-S2-53 and Ls-S2-76 have each lost a number of different amino acids. Suppression of FIP2-like to some extent inhibits germination of pollen grains and growth of pollen tubes by reducing F-actin of the pollen tube tips. Our results suggest that the differential distribution of homozygous variations affects F. viridis fruit-set rate and that the fully encoded FIP2-like can function normally to promote F-actin formation, while the new FIP2-like proteins with shortened amino acid sequences have influenced the (in)compatibility of two selfing lines of F. viridis.

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Section: Discussionmentioning

confidence: 99%

Identifying Genome-Wide Sequence Variations and Candidate Genes Implicated in Self-Incompatibility by Resequencing Fragaria viridis

Xiong

et al. 2019

IJMS

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“…More than 100 plants of each material were planted for testing; six were selected as the typical representatives for acquiring statistics, the same as in Table 2. (Lei et al 2006). Currently, 14 of the known wild strawberry (Fragaria) species are native to China (Qiao et al 2016(Qiao et al , 2021Sun et al 2021).…”

Section: Discussionmentioning

confidence: 99%

New Germplasm for Breeding: Pink-flowered and White-fruited Strawberry

Guan

Wilson

Zhao

et al. 2023

horts

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Most strawberry plants have white flowers and red fruit. We developed a new strawberry selection with pink flowers and white fruit, and named it G23. Basic phenotypic data were recorded over years of observation and experimentation with the flower crown diameter, petal color, and rate of fruit set, as well as fruit skin color, flesh color, seed color and attachment status, fruit weight and shape, soluble solids contents, and firmness. We found that G23 bloomed with a stable pink flower and produced white fruit consistently with a relatively high fruit-set rate compared with its female parent, ‘Pink Panda’. G23 displayed high resistance to Fusarium wilt (Fusarium oxysporum) and anthracnose (Colletotrichum spp.). It is also tolerant of high temperatures (up to 40 °C) and long-term drought. The asexual propagation ability of G23 is high, with ∼60 to 100 stolon ramets formed during the summer. In summary, this new pink-flowered and white-fruited strawberry germplasm is suitable for ornamental use, as a result of its remarkable flowering and fruiting characteristics. In addition, it provides opportunities for innovative strawberry germplasm for future breeding.

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“…The genetic diversity for these traits is partially documented. For example, for color it is possible to find a range of tones from albino to red in some species [11,129,130], the same happens with the flavor where outstands certain octoploids and diploids, while aroma F. moschata is recognized as a species that is above all [117] (Table 4).…”

Section: Characters Associated With Sensory and Nutraceutical Qualitymentioning

confidence: 99%

The Genetic Diversity of Strawberry Species, the Underutilized Gene Pool and the Need for Cultivars with New Quality and Agronomic Attributes

Dávalos-González¹,

Aguilar-García²,

Rodríguez-Guillén³

et al. 2023

Recent Studies on Strawberries

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The growing increase in global strawberry production and consumption has been spectacular during this century. In 2019, 396,401 ha were planted, and 8.9 million tons of fruit were produced globally, and more than 50% of that volume was in the subtropical climate. The problems and losses caused by diseases and pests are of global importance, particularly with root and crown diseases, the severity and spread of which has been magnified by the cancelation of certain soil fumigants, and by the susceptibility to one or more of the parasites of the group of cultivars currently planted. The use of the genetic reservoir available both in the cultivated species, as in the 26 wild species, is a formidable wealth of genes, partially collected, and characterized, which can be of fundamental importance to introduce new genetic combinations into modern commercial cultivars and to redesign them, so that they have a greater adaptation to stresses caused by biotic and abiotic factors, in addition to an important improvement in the nutraceutical quality of the fruit. This chapter documents the importance of this gene pool in the development of elite cultivars with these qualities.

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The Taxonomy of Chinese Fragaria Species

Cited by 12 publications

References 0 publications

Identifying Genome-Wide Sequence Variations and Candidate Genes Implicated in Self-Incompatibility by Resequencing Fragaria viridis

Identifying Genome-Wide Sequence Variations and Candidate Genes Implicated in Self-Incompatibility by Resequencing Fragaria viridis

New Germplasm for Breeding: Pink-flowered and White-fruited Strawberry

The Genetic Diversity of Strawberry Species, the Underutilized Gene Pool and the Need for Cultivars with New Quality and Agronomic Attributes

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