Modelling QTL-Trait-Crop Relationships: Past Experiences and Future Prospects

Yin, Xinyou; Struik, P.C.; Gu, Junfei; Wang, Huaqi

doi:10.1007/978-3-319-20562-5_9

Cited by 15 publications

(14 citation statements)

References 87 publications

Supporting

Mentioning

Contrasting

Order By: Relevance

“…Reymond et al , 2003; Nakagawa et al , 2005) and rice grain yield under water deficit conditions (Gu et al , 2014). Such QTL-based crop modelling also supports marker-assisted selection to accelerate traditional breeding (Gu et al , 2014; Hammer et al , 2016; Xu and Buck-Sorlin, 2016; Yin et al , 2016).…”

Section: Introductionmentioning

confidence: 83%

“…However, parameters of eco-physiological models are commonly measured or estimated from phenotyping experiments, and their genetic basis is largely unknown (Kromdijk et al , 2014). Several studies have therefore tried to link crop modelling with QTL analysis (see review by Yin et al , 2016). Using such an approach, grain yield was first predicted in barley (Yin et al , 2000), later followed by studies for simpler traits (e.g.…”

Section: Introductionmentioning

confidence: 99%

See 1 more Smart Citation

Incorporating genome-wide association into eco-physiological simulation to identify markers for improving rice yields

Kadam

Jagadish

Struik

et al. 2019

Journal of Experimental Botany

Self Cite

View full text Add to dashboard Cite

show abstract

Section: Introductionmentioning

confidence: 83%

Section: Introductionmentioning

confidence: 99%

Incorporating genome-wide association into eco-physiological simulation to identify markers for improving rice yields

Kadam

Jagadish

Struik

et al. 2019

Journal of Experimental Botany

Self Cite

View full text Add to dashboard Cite

show abstract

“…Moreover, correlation coefficients should be carefully derived via multi‐environmental trials to avoid including any G × E effect in the relationships, and this is currently unavailable (Jahn et al., ). For these reasons, despite explicitly considering correlations between traits would likely increase the in vivo feasibility of ideotypes (Yin, Struik, Gu, & Wang, ), they are not included in current model‐based ideotyping studies (e.g. Casadebaig et al., ; Quilot‐Turion, Genard, Valsesia, & Memmah, ).…”

Section: Discussionmentioning

confidence: 99%

“…This kind of analysis was built on the assumptions of a close relationship between model parameters and plant traits (Martre, He, et al, 2015) and of a proper formalization in models of the knowl- (Jahn et al, 2011). For these reasons, despite explicitly considering correlations between traits would likely increase the in vivo feasibility of ideotypes (Yin, Struik, Gu, & Wang, 2016), they are not included in current model-based ideotyping studies (e.g. Casadebaig et al, 2016;Quilot-Turion, Genard, Valsesia, & Memmah, 2016).…”

Section: Discussionmentioning

confidence: 99%

Surfing parameter hyperspaces under climate change scenarios to design future rice ideotypes

Paleari

Movedi

Cappelli

et al. 2017

Global Change Biology

View full text Add to dashboard Cite

Growing food crops to meet global demand and the search for more sustainable cropping systems are increasing the need for new cultivars in key production areas. This study presents the identification of rice traits putatively producing the largest yield benefits in five areas that markedly differ in terms of environmental conditions in the Philippines, India, China, Japan and Italy. The ecophysiological model WARM and sensitivity analysis techniques were used to evaluate phenotypic traits involved with light interception, photosynthetic efficiency, tolerance to abiotic stressors, resistance to fungal pathogens and grain quality. The analysis involved only model parameters that have a close relationship with phenotypic traits breeders are working on, to increase the in vivo feasibility of selected ideotypes. Current climate and future projections were considered, in the light of the resources required by breeding programs and of the role of weather variables in the identification of promising traits. Results suggest that breeding for traits involved with disease resistance, and tolerance to cold- and heat-induced spikelet sterility could provide benefits similar to those obtained from the improvement of traits involved with canopy structure and photosynthetic efficiency. In contrast, potential benefits deriving from improved grain quality traits are restricted by weather variability and markedly affected by G × E interactions. For this reason, district-specific ideotypes were identified using a new index accounting for both their productivity and feasibility.

show abstract

“…The general aim for developing sets of ILs is to represent the whole genome of a donor parent, almost always an exotic or wild genotype, in the genetic background of a recipient cultivated parent through a set of lines carrying overlapping homozygous chromosome fragments of the former in the latter (Eshed and Zamir, 1994 ; Zamir, 2001 ; Eduardo et al, 2005 ). Several studies have demonstrated the higher efficiency of ILs and near isogenic lines (NILs) in QTL estimation than other segregating populations, such as F2, double haploid lines and RILs (Wehrhahn and Allard, 1965 ; Eshed and Zamir, 1995 ; Kearsey and Farquhar, 1998 ; Lebreton et al, 1998 ; Alonso-Blanco et al, 2006 ; Yin et al, 2016 ).…”

Section: Introductionmentioning

confidence: 99%

Development and Genetic Characterization of Advanced Backcross Materials and An Introgression Line Population of Solanum incanum in a S. melongena Background

et al. 2017

View full text Add to dashboard Cite

Advanced backcrosses (ABs) and introgression lines (ILs) of eggplant (Solanum melongena) can speed up genetics and genomics studies and breeding in this crop. We have developed the first full set of ABs and ILs in eggplant using Solanum incanum, a wild eggplant that has a relatively high tolerance to drought, as a donor parent. The development of these ABs and IL eggplant populations had a low efficiency in the early stages, because of the lack of molecular markers and genomic tools. However, this dramatically improved after performing genotyping-by-sequencing in the first round of selfing, followed by high-resolution-melting single nucleotide polymorphism genotyping in subsequent selection steps. A set of 73 selected ABs covered 99% of the S. incanum genome, while 25 fixed immortal ILs, each carrying a single introgressed fragment in homozygosis, altogether spanned 61.7% of the S. incanum genome. The introgressed size fragment in the ILs contained between 0.1 and 10.9% of the S. incanum genome, with a mean value of 4.3%. Sixty-eight candidate genes involved in drought tolerance were identified in the set of ILs. This first set of ABs and ILs of eggplant will be extremely useful for the genetic dissection of traits of interest for eggplant, and represents an elite material for introduction into the breeding pipelines for developing new eggplant cultivars adapted to the challenges posed by the climate-change scenario.

show abstract

Modelling QTL-Trait-Crop Relationships: Past Experiences and Future Prospects

Cited by 15 publications

References 87 publications

Incorporating genome-wide association into eco-physiological simulation to identify markers for improving rice yields

Incorporating genome-wide association into eco-physiological simulation to identify markers for improving rice yields

Surfing parameter hyperspaces under climate change scenarios to design future rice ideotypes

Development and Genetic Characterization of Advanced Backcross Materials and An Introgression Line Population of Solanum incanum in a S. melongena Background

Contact Info

Product

Resources

About