Construction of a high-density SSR marker-based linkage map of zoysiagrass (Zoysia japonica Steud.)

Li, Manli; Yuyama, Nana; Hirata, Masaharu; Han, Jing; Wang, Yunwen; Cai, Hongwei

doi:10.1007/s10681-009-9990-8

Cited by 25 publications

(29 citation statements)

References 34 publications

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“…More recently, high-density genetic linkage maps have been constructed for zoysiagrass using AFLP and SSR markers (Cai et al 2004, Li et al 2009). In zoysiagrass, morphological characteristics that can be visually assessed are important factors when determining turf quality, while QTLs for tolerance of environmental stressors such as salinity and freezing may be widely distributed among species.…”

Section: Zoysiagrass (1) Characteristics and Recently Released Cultivarsmentioning

confidence: 99%

The Present Status of C<sub>4</sub> Tropical Grasses Breeding and Molecular Approaches

Tsuruta

Shimoda

Kouki³

et al. 2015

JARQ

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Tropical grasses have been widely utilized as warm-season grasses in the warm temperate zone since the early 20th century because of their high yields as well as for perennial forages in their native tropical areas. The high yield of tropical grasses is mainly due to C4 photosynthesis. However, the soaring demands for animal production sparked by economic development in tropical countries mean genetic improvement of such grasses is urgently needed. Considerable breeding efforts have been made to create and develop new tropical grass cultivars, although direct selection from natural populations remains the main method used for breeding. Cross-breeding has not proliferated due to a lack of genetic information concerning the polyploidy, high sterility, outcrossing, and apomixis of these grasses, although several of these difficulties are starting to be resolved by advanced research using molecular biology tools. These tools are an effective means of achieving genetically improving of tropical grasses, and further development is anticipated. In this review, achievements in the improved guineagrass, brachiariagrass, sorghum, and zoysiagrass are introduced and discussed.

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Section: Zoysiagrass (1) Characteristics and Recently Released Cultivarsmentioning

confidence: 99%

The Present Status of C<sub>4</sub> Tropical Grasses Breeding and Molecular Approaches

Tsuruta

Shimoda

Kouki³

et al. 2015

JARQ

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“…The length of the new genetic linkage map was 2,158.5 cM and was extended up to 148.6 cM as compared with the previously published map (Li et al 2009). The map distance in the present study is longer than all zoysiagrass genetic maps reported previously (Ebina et al 1999;Yaneshita et al 1999;Cai et al 2004Cai et al , 2005Li et al 2009), it was even longer than that b Fig.…”

Section: New Linkage Map Based On Ssr Rflp Cisp and Plug Markersmentioning

confidence: 75%

“…The true F 1 plants, confirmed using two SSR markers with different heterozygous alleles in both parents, were used as a mapping population (Li et al 2009). …”

Section: Plant Materialsmentioning

confidence: 99%

“…The RFLP, CISP and PLUG markers data of F 1 population were scored as the CP (cross pollination) data according to the definition of JoinMap 3.0 (Stam 1993), and then these markers were mapped on our previous published SSR based linkage map of Z. japonica using the same population (Li et al 2009). The methods of linkage map construction were same as described in Li et al (2009), and the linkage map was drawn using MapChart 2.0 (Voorrips 2002).…”

Section: Data Scoring and Mapping Proceduresmentioning

confidence: 99%

“…The methods of linkage map construction were same as described in Li et al (2009), and the linkage map was drawn using MapChart 2.0 (Voorrips 2002).…”

Section: Data Scoring and Mapping Proceduresmentioning

confidence: 99%

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Synteny between Zoysia japonica Steud. and Oryza sativa L. based on RFLP, CISP and PLUG markers

Yuyama³

et al. 2014

Genet Resour Crop Evol

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In order to study the synteny between Zoysia japonica and Oryza sativa, we added three types of markers including Restriction fragment length polymorphism, Conserved intron scanning primers and PCR-based landmark unique gene in our previous high-density SSR-based linkage map. A total of 100 loci showed homology to the rice genome were merged into our previously constructed SSR-based linkage map of zoysiagrass. The new map was longer than all zoysiagrass genetic maps reported previously, and contains the number of linkage groups 20, which is equal to the haploid number of chromosomes of zoysiagrass. The new mapped 100 homologous loci were mapped to 19 linkage groups (LGs) except of LG 20, of them, the LGs 2, 8 and 13 of zoysiagrass showed colinearity with chromosomes 3, 6 and 1 of rice respectively, and otherLGs of zoysiagrass contained variable numbers of markers that showed homology with the rice genome. These results suggested a syntenic relationship between zoysiagrass and rice. The improved genetic linkage map and the new markers developed in this study will serve as reference genetic linkage maps for zoysiagrass species and will be useful for mapping QTLs associated with various traits, and for improving zoysiagrass breeding programs.

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Identification of QTL associated with cold acclimation and freezing tolerance in Zoysia japonica

Brown

Holloway

et al. 2021

Crop Science

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Zoysiagrasses (Zoysia spp.) are relatively low‐input and warm‐season turfgrasses which have grown in popularity in the United States since their introduction in the 1890s. Over 30 improved zoysiagrass cultivars were released in the past three decades, but many lack freezing tolerance and their use is limited to warm‐humid climates. Understanding the genetic controls of winter hardiness and freezing tolerance in zoysiagrass could considerably benefit the breeding efforts to increase tolerance to freezing stress. In the present study, controlled environment acclimation and freezing tests were used to evaluate a Meyer × Victoria zoysiagrass mapping population for post‐freezing surviving green tissue (SGT) and regrowth (RG). Quantitative trait loci (QTL) mapping analysis identified nine QTL associated with SGT, eight QTL linked to RG, and 22 QTL common in both traits, accounting for between 6.4 and 12.2% of the phenotypic variation. Eleven regions of interest overlapped with putative winter injury QTL identified in a previous field study. Upon sequence analysis, homologs of several abiotic response genes were found underlying these overlapping QTL regions. The homologs of these gene encode transcription factors, cell wall modification‐related proteins, and defense signal transduction‐related proteins. After further validation, these QTL and their associated markers have potential to be used in future breeding efforts for the development of a broader pool of zoysiagrass cultivars capable of surviving in cold climates.

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Construction of a high-density SSR marker-based linkage map of zoysiagrass (Zoysia japonica Steud.)

Cited by 25 publications

References 34 publications

The Present Status of C<sub>4</sub> Tropical Grasses Breeding and Molecular Approaches

The Present Status of C<sub>4</sub> Tropical Grasses Breeding and Molecular Approaches

Synteny between Zoysia japonica Steud. and Oryza sativa L. based on RFLP, CISP and PLUG markers

Identification of QTL associated with cold acclimation and freezing tolerance in Zoysia japonica

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