Corrigendum to “Polyphenol oxidase genes as integral part of the evolutionary history of domesticated tetraploid wheat” [Genomics 113 (2021) 2989–3001]

AbstractBackgroundWheat yields are stagnating around the world and new sources of genes for resistance or tolerances to abiotic traits are required. In this context, the tetraploid wheat wild relatives are among the key candidates for wheat improvement. Despite of its potential huge value for wheat breeding, the tetraploid GGAtAt genepool is largely neglected. Understanding the population structure, native distribution range, intraspecific variation of the entire tetraploid GGAtAt genepool and its domestication history would further its use for wheat improvement.ResultsWe report the first comprehensive survey of genomic and cytogenetic diversity sampling the full breadth and depth of the tetraploid GGAtAt genepool. We show that the extant GGAtAt genepool consists of three distinct lineages. We provide detailed insights into the cytogenetic composition of GGAtAt wheats, revealed group-, and population-specific markers and show that chromosomal rearrangements play an important role in intraspecific diversity of T. araraticum. We discuss the origin and domestication history of the GGAtAt lineages in the context of state-of-the-art archaeobotanical finds.ConclusionsWe shed new light on the complex evolutionary history of the GGAtAt wheat genepool. We provide the basis for an increased use of the GGAtAt wheat genepool for wheat improvement. The findings have implications for our understanding of the origins of agriculture in southwest Asia.

Download Full-text

Evolutionary history of the NAM-B1 gene in wild and domesticated tetraploid wheat

BMC Genetics ◽

10.1186/s12863-017-0566-7 ◽

2017 ◽

Vol 18 (1) ◽

Cited By ~ 7

Author(s):

Maria Lundström ◽

Matti W. Leino ◽

Jenny Hagenblad

Keyword(s):

Evolutionary History ◽

Tetraploid Wheat ◽

B1 Gene ◽

History Of

Download Full-text

Evolution of Homeologous Gene Expression in Polyploid Wheat

Genes ◽

10.3390/genes11121401 ◽

2020 ◽

Vol 11 (12) ◽

pp. 1401

Author(s):

Na Zhao ◽

Qianli Dong ◽

Brian D. Nadon ◽

Xiaoyang Ding ◽

Xutong Wang ◽

...

Keyword(s):

Gene Expression ◽

Evolutionary History ◽

Tetraploid Wheat ◽

Differentially Expressed ◽

Functional Categories ◽

Polyploid Wheat ◽

Tetraploid Wheats ◽

Regulatory Changes ◽

History Of ◽

Homeologous Gene

Polyploidization has played a prominent role in the evolutionary history of plants. Two recent and sequential allopolyploidization events have resulted in the formation of wheat species with different ploidies, and which provide a model to study the effects of polyploidization on the evolution of gene expression. In this study, we identified differentially expressed genes (DEGs) between four BBAA tetraploid wheats of three different ploidy backgrounds. DEGs were found to be unevenly distributed among functional categories and duplication modes. We observed more DEGs in the extracted tetraploid wheat (ETW) than in natural tetraploid wheats (TD and TTR13) as compared to a synthetic tetraploid (AT2). Furthermore, DEGs showed higher Ka/Ks ratios than those that did not show expression changes (non-DEGs) between genotypes, indicating DEGs and non-DEGs experienced different selection pressures. For A-B homeolog pairs with DEGs, most of them had only one differentially expressed copy, however, when both copies of a homeolog pair were DEGs, the A and B copies were more likely to be regulated to the same direction. Our results suggest that both cis- and inter-subgenome trans-regulatory changes are important drivers in the evolution of homeologous gene expression in polyploid wheat, with ploidy playing a significant role in the process.

Download Full-text

Special Issue: Breeding Towards Agricultural Sustainability - Invited

10.21203/rs.3.rs-525266/v1 ◽

2021 ◽

Author(s):

Ekaterina D Badaeva ◽

Fedor A. Konovalov ◽

Helmut KWS ◽

Agostino Friscano ◽

Alevtina S. Ruban ◽

...

Keyword(s):

Evolutionary History ◽

Chromosomal Rearrangements ◽

Tetraploid Wheat ◽

Wheat Breeding ◽

Intraspecific Diversity ◽

Wheat Improvement ◽

Comprehensive Survey ◽

History Of ◽

Diversity Sampling ◽

Wheat Wild Relatives

Abstract Wheat yields are stagnating around the world and new sources of genes for resistance or tolerances to abiotic traits are required. In this context, the tetraploid wheat wild relatives are among the key candidates for wheat improvement. Despite of its potential huge value for wheat breeding, the tetraploid GGAtAt genepool is largely neglected. Understanding the population structure, native distribution range, intraspecific variation of the entire tetraploid GGAtAt genepool and its domestication history would further its use for wheat improvement. We report the first comprehensive survey of genomic and cytogenetic diversity sampling the full breadth and depth of the tetraploid GGAtAt genepool. We show that the extant GGAtAt genepool consists of three distinct lineages. We provide detailed insights into the cytogenetic composition of GGAtAt wheats, revealed group-, and population-specific markers and show that chromosomal rearrangements play an important role in intraspecific diversity of T. araraticum. We discuss the origin and domestication history of the GGAtAt lineages in the context of state-of-the-art archaeobotanical finds. We shed new light on the complex evolutionary history of the GGAtAt wheat genepool. We provide the basis for an increased use of the GGAtAt wheat genepool for wheat improvement. The findings have implications for our understanding of the origins of agriculture in southwest Asia.

Download Full-text

Elaborating the role of reflection and individual differences in the study of folk-economic beliefs

Behavioral and Brain Sciences ◽

10.1017/s0140525x18000274 ◽

2018 ◽

Vol 41 ◽

Author(s):

Kevin Arceneaux

Keyword(s):

Decision Making ◽

Individual Differences ◽

Cognitive Processes ◽

Evolutionary History ◽

Behavioral Responses ◽

History Of ◽

Economic Beliefs

AbstractIntuitions guide decision-making, and looking to the evolutionary history of humans illuminates why some behavioral responses are more intuitive than others. Yet a place remains for cognitive processes to second-guess intuitive responses – that is, to be reflective – and individual differences abound in automatic, intuitive processing as well.

Download Full-text