Megabase-scale presence-absence variation with Tripsacum origin was under selection during maize domestication and adaptation

Y Huang, W Huang, Z Meng, GT Braz, Y Li, K Wang… - Genome biology, 2021 - Springer
Abstract Background Structural variants (SVs) significantly drive genome diversity and
environmental adaptation for diverse species. Unlike the prevalent small SVs (< kilobase …

[PDF][PDF] Evolution of recombination landscapes in diverging populations of bread wheat

A Danguy des Déserts, S Bouchet… - Genome Biology and …, 2021 - academic.oup.com
Reciprocal exchanges of DNA (crossovers) that occur during meiosis are mandatory to
ensure the production of fertile gametes in sexually reproducing species. They also …

Generating novel plant genetic variation via genome editing to escape the breeding lottery

N Schleif, SM Kaeppler, HF Kaeppler - In Vitro Cellular & Developmental …, 2021 - Springer
Plant breeding relies on the presence of genetic variation, which is generated by a random
process of mutagenesis that acts on existing gene pools. This variation is then recombined …

An IBD-based mixed model approach for QTL mapping in multiparental populations

W Li, MP Boer, C Zheng, RVL Joosen… - Theoretical and Applied …, 2021 - Springer
Key message The identity-by-descent (IBD)-based mixed model approach introduced in this
study can detect quantitative trait loci (QTLs) referring to the parental origin and …

Nested association mapping reveals the genetic architecture of spike emergence and anthesis timing in intermediate wheatgrass

KR Altendorf, SR Larson, LR DeHaan, J Crain… - G3, 2021 - academic.oup.com
Intermediate wheatgrass (Thinopyrum intermedium) is an outcrossing, cool season grass
species currently undergoing direct domestication as a perennial grain crop. Though many …

A Modified Meiotic Recombination in Brassica napus Largely Improves Its Breeding Efficiency

F Boideau, A Pelé, C Tanguy, G Trotoux, F Eber… - Biology, 2021 - mdpi.com
Simple Summary The selection of varieties more resilient to disease and climate change
requires generating new genetic diversity for breeding. The main mechanism for reshuffling …

[HTML][HTML] Gossypium tomentosum genome and interspecific ultra-dense genetic maps reveal genomic structures, recombination landscape and flowering depression in …

C Shen, N Wang, D Zhu, P Wang, M Wang, T Wen… - Genomics, 2021 - Elsevier
The high-quality reference-grade genome for Gossupium tomentosum can greatly promote
the progress in biological research and introgression breeding for the mainly cultivated …

The influence of QTL allelic diversity on QTL detection in multi-parent populations: a simulation study in sugar beet

V Garin, V Wimmer, D Borchardt, M Malosetti… - BMC genomic data, 2021 - Springer
Abstract Background Multi-parent populations (MPPs) are important resources for studying
plant genetic architecture and detecting quantitative trait loci (QTLs). In MPPs, the QTL …

Enhancing backcross programs through increased recombination

E Tourrette, M Falque, OC Martin - Genetics Selection Evolution, 2021 - Springer
Background Introgression of a quantitative trait locus (QTL) by successive backcrosses is
used to improve elite lines (recurrent parent) by introducing alleles from exotic material …

Multiparental population in crops: methods of development and dissection of genetic traits

I Diouf, L Pascual - Crop Breeding: Genetic Improvement Methods, 2021 - Springer
Multiparental populations are located midway between association mapping that relies on
germplasm collections and classic linkage analysis, based upon biparental populations …