domestication of wheat page contents

Anatolian Studies 28:157–174, Huang S, Sirikhachornkit A, Su X et al (2002) Genes encoding plastid acetyl-CoA carboxylase and 3-phosphoglycerate kinase of the, Jaaska V (1978) NADP-dependent aromatic alcohol dehydrogenase in polyploid wheats and their relatives. (). Genet Res Camb 80:131–143, Tanno K, Willcox G (2006) How fast was wild wheat domesticated? Chromosome behavior in partially sterile hybrids. Over 10 million scientific documents at your fingertips. A history of wheat breeding. Landw Jahrbuch 92:241–252, Blake NK, Lehfeldt BR, Lavin M, Talbert LE (1999) Phylogenetic reconstruction based on low copy DNA sequence data in an alloploid: the B genome of wheat. J Hered 49:91–98, Rodriguez J, Maestra B, Perera E, Diez M et al (2000) Pairing affinities of the B- and G- genome chromosomes of polyploid wheats with those of, Salse J, Chague V, Bolot S et al (2008) New insights into the origin of the B genome of hexaploid wheat: Evolutionary relationships at the, Sarkar P, Stebbins GL (1956) Morphological evidence concerning the origin of the B genome in wheat. ), rice (Oryza sativa L.), and maize (Zea mays L.), are the major food crops for all humans and are the principal resources that have led to the emergence of human civilization as we know it today. Proc Natl Acad Sci USA 87:9640–9644, Dvorak J, di Terlizzi P, Zhang H-B, Resta P (1993) The evolution of polyploid wheats: identification of the A genome donor species. Science 143:253–255, Kerber ER, Dyck PL (1969) Inheritance in hexaploid wheat of leaf rust resistance and other characters derived from, Kerber ER, Rowland GG (1974) Origin of the free threshing character in hexaploid wheat. Q and the pre-domestication allele, q , encode an AP2 transcription factor, with the domesticated allele conferring a free-threshing character and a subcompact (i.e. Winnipeg, pp 207–220, Jantasuriyarat C, Vales MI, Watson CJW, Riera-Lizarazu O (2004) Identification and mapping of genetic loci affecting free-threshing habit and spike compactness in wheat (, Jofuku KD, den Boer BGW, Van Montagu M, Okamuro JK (1994) Control of, Johnson BL (1968) Electrophoretic evidence on the origin of, Johnson BL, Dhaliwal HS (1976) Reproductive isolation of, Kato K, Miura H, Sawada S (1999) QTL mapping of genes controlling ear emergence time and plant height on chromosome 5A of wheat. Euphytica 94:119–124, Chalupska D, Lee HY, Faris JD et al (2008), Chen Q-F, Yen C, Yang J-L (1998) Chromosome location of the gene for brittle rachis in the Tibetan weed race of common wheat. 180:1–63, Bertsch F (1943) Der Dinkel. Our Scientists of this generatation have been carrying out carbon-14, the testing of plants and animals remaining. Ltd, London, pp 1–248, Riley R, Unrau J, Chapman V (1958) Evidence on the origin of the B genome of wheat. Cultivated wheats generally have the hypermorphic Q allele, whereas wild varieties have the q variant, associated with lower AP2 activity. Handb Pflanzenzücht, 2nd Edition, 2:164–187, Sharma HC, Waines JG (1980) Inheritance of tough rachis in crosses of, Simonetti MC, Bellomo MP, Laghetti G et al (1999) Quantitative trait loci influencing free-threshing habit in tetraploid wheats. This change was possible because of a random mutation in the wild populations at the beginning of wheat's cultivation . The domestication of wheat provides an example. Dawei Sun has just finished his PhD in Emma Rawlins’ lab at The Gurdon Institute. Linnean Society, London, pp 37–59 (Linnean Special Issue 3), Nesbitt M, Samuel D (1996) From staple crop to extinction? Although domestication of plants and crops cultivated for consumption has been carried on for 11,000 years, this figure pales in comparison with the seven million years humans fed themselves by hunting wild animals and eating wild plants. Wheat and barley are two of the founder crops of the agricultural revolution that took place 10,000 years ago in the Fertile Crescent and both crops remain among the world's most important crops. Wheat domestication and human civilization. Head over to the Node to find the details of the next event. Prior to the advent of whole‐genome studies, molecular markers enabled the first attempts to use genetics to characterize major domestication genes and to establish the domestication centers of our crops, including wheat and barley. At Jericho, Netiv Hagdud, and Gilgal (in the Jordan Basin), and Aswad (near Damascus), domesticated einkorn, emmer, and barley appear between 8000 and 7700 B.C. On completion of the genome sequencing of diploid wild wheat (T. urartu or Ae. Theor Appl Genet 98:472–476, Kato K, Sonokawa R, Miura H, Sawada S (2003) Dwarfing effect associated with the threshability gene, Kerber ER (1964) Wheat: Reconstitution of the tetraploid component (AABB) of hexaploids. Theor Appl Genet 53:209–217, Jaaska V (1980) Electrophoretic survey of seedling esterases in wheats in relation to their phylogeny. Start studying Domestication of wheat. Wheat Evolution, Domestication, and Improvement Perry Gustafson, Olga Raskina, XueFeng Ma, and Eviatar Nevo INTRODUCTION Cereals, including wheat (Triticum spp. Wild emmer wheat, Triticum dicoccoides , is the progenitor of modern tetraploid and hexaploid cultivated wheats. These studies, while fruitful, were inherently limited due to the limited number of available markers and the full representation of the genomes of these crops. Probrably the longest time for DNA to stay the same; although there is a fairly close substance to modern day wheat called einborn wheat. Methuen and Go. The domestication of wheat was instrumental in the transition of human behavior from hunter-gatherers to farmers. Similar results are also presented by Jorge Dubcovsky and co-workers (p. 1966), who further demonstrate that reduced miR172-mediated degradation of Q is largely responsible for the free-threshing and other phenotypes associated with domesticated varieties. Domestication of wheat has involved a number of phenotypic changes from wild isolates. One of the ongoing arguments about wheat is the length of time it took for the domestication process to complete. Our new and interactive developmental biology webinar series continues: we invite three first authors to present their latest research and take part in a live Q&A session. J Exp Bot 62:5051–5061, Peng JH, Ronin Y, Fahima T et al (2003) Domestication quantitative trait loci in, Peng JH, Sun D, Nevo E (2011) Domestication evolution, genetics and genomics in wheat. Wheat has not dramaticly changed its DNA status for over 10,000 years. Genetics 7:513–552, Sears ER (1956) The systematics, cytology and genetics of wheat. In: Caligari PDS, Brandham PE (eds) Wheat taxonomy: the legacy of John Percival. Genetics, genomics, and archaeobotany have together provided strong evidence and insights regarding the time, place, and events involved in the evolution and domestication of modern wheat, but numerous questions remain unanswered. Domestication of emmer wheat and evolution of free-threshing tetraploid wheat. Concluding remarks on the process of wheat evolution. is one of the founder crops that likely drove the Neolithic transition to sedentary agrarian societies in the Fertile Crescent more than 10,000 years ago.Identifying genetic modifications underlying wheat's domestication requires knowledge about the genome of its allo-tetraploid progenitor, wild emmer (T. turgidum ssp. In: Moore AMT, Hillman GC, Legge AJ (eds) Village on the Euphrates. is one of the Neolithic founder crops, domesticated alongside other cereals—einkorn wheat (Triticum monococcum L.) and barley (Hordeum vulgare L.)—as well as pulses—pea (Pisum sativum L.), lentil (Lens culinaris Medikus), chickpea (Cicer arietinum L.), and bitter vetch (Vicia ervilia L. The relative levels of miR172 and Q define spikelet morphology, with higher Q or lower miR172 activity being associated with glume-to-floret transition and free-threshing character, and lower Q activity with the opposite changes. Here, I review historical and recent findings that have shaped our current understanding of wheat domestication. Domestication of wheat resulted from mutations that gave rise to traits such as soft glumes, a nonfragile rachis, and the free-threshing character. In: Sears ER, Sears EMS (eds) Fourth international wheat genetics symposium, vol 1. Origin, domestication, and evolution of wheat. The Q gene governs the free-threshing character and square spike phenotype. The assembly enabled genome-wide genetic diversity analyses revealing the changes imposed by thousands of years of empirical selection and breeding. Part of Springer Nature. The studied traits include brittle rachis, heading date, plant height, grain size, yield, and yield components. Its breeding has followed millennia of cultivation, sometimes with unintended selection on adaptive traits, and later by applying intentional but empirical selective pressures. Not affiliated Special Issue: Imaging development, stem cells and regeneration, Gastruloids, pescoids, caveoids, surfoids…, © 2017. Mol Biol Evol 19:1797–1801, Ozkan H, Brandolini A, Pozzi C et al (2005) A reconsideration of the domestication geography of tetraploid wheats. Genome 36:21–31, Dvorak J, Luo MC (2001) Evolution of free-threshing and hulled forms of, Dvorak J, Luo MC, Yang ZL, Zhang HB (1998) The structure of the, Dvorak J, Akhunov ED, Akhunov AR et al (2006) Molecular characterization of a diagnostic DNA marker for domesticated tetraploid wheat provides evidence for gene flow from wild tetraploid wheat to hexaploid wheat. This question is for testing whether or not you are a human visitor and to prevent automated spam submissions. Alternative splicing (AS) occurs extensively in eukaryotes as an important mechanism for regulating transcriptome complexity and proteome diversity, but variation in the AS landscape in response to domestication and polyploidization in crops is unclear. Waxiness, growth habit and awnedness. Istituto Sperimentale per la Cerealicoltura, Rome, pp 25–28, Muramatsu M (1985) Spike type in two cultivars of, Nalam VJ, Vales MI, Watson CJW et al (2006) Map-based analysis of genes affecting the brittle rachis character in tetraploid wheat (, Nalam VJ, Vales MI, Watson CJW, Johnson EB et al (2007) Map-based analysis of genetic loci on chromosome 2D that affect glume tenacity and threshability components of free-threshing habit in common wheat (, Nesbitt M (2001) Wheat evolution: integrating archaeological and biological evidence. In common wheat and evolution of cereals to map domestication-related quantitative trait loci have been carrying carbon-14! 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