The origin of the naked grains of maize
Webb1 mars 2011 · Maize was domesticated at least 8700 years ago in the highlands of Mexico. Genome-wide studies have greatly contributed to shed light into the diffusion of maize … WebbThe origin of the naked grains of maize. Wang H et al. Nature. 2005 Aug 04; 436(7051):714-719. ... Abstract Authors Funding Information. The most critical step in maize (Zea mays ssp. mays) domestication was the liberation of the kernel from the hardened, protective casing that envelops the kernel in the maize progenitor, teosinte.
The origin of the naked grains of maize
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Webb4 maj 2015 · In maize, the grains are borne naked on the exterior of the ear, and the organs that form the fruitcase in teosinte are redeployed to form the internal central axis of the … WebbThe origin of the naked grains of maize Yves Vigouroux 2005, Nature The most critical step in maize domestication (Zea mays ssp. mays) was the liberation of the kernel from the hardened, protective casing that …
Webb3 aug. 2005 · The origin of the naked grains of maize. The most critical step in maize (Zea mays ssp. mays) domestication was the liberation of the kernel from the hardened, … Webb4 maj 2015 · Genetics. teosinte glume architecture1 (tga1), a member of the SBP-box gene family of transcriptional regulators, has been identified as the gene conferring naked …
Webb27 okt. 2009 · Modern crops have usually experienced domestication selection and subsequent genetic improvement (post-domestication selection). Chinese waxy maize, which originated from non-glutinous domesticated maize (Zea mays ssp. mays), provides a unique model for investigating the post-domestication selection of maize. In this study, … Total RNA was isolated from immature ears (2–3 cm in length) and other tissues using TRI reagent (Molecular Research Center). Northern blots using ∼12 µg total RNA of sample per lane were performed using standard procedures (see Supplementary Information). Complementary DNA for real-time … Visa mer A W22 × W22:tga1 F2 fine-mapping population of 3,106 plants that segregated for Tga1-maize versus tga1-teosinte1 was generated by self-pollinating F1 hybrids of the parental stocks. … Visa mer After genetic mapping demonstrated that tga1 lies within the BAC c126f15, we shotgun-sequenced it to 7 × coverage (see Supplementary Information). This work produced a final … Visa mer We sequenced the tga1 promoter and coding regions for a set of 16 diverse land races of maize and 12 teosinte individuals (Z. mays ssp. parviglumis) and the outgroup Zea diploperennis (GenBank AY883436–AY883558) … Visa mer The 3′ end of tga1 excluding the SBP-box was amplified by PCR from a tga1 RT–cDNA clone (Supplementary Methods). The PCR fragment was cloned into pET151/D-TOPO vector (Invitrogen) and transformed into … Visa mer
Webb4 maj 2015 · Evidence That the Origin of Naked Kernels During Maize Domestication Was Caused by a Single Amino Acid Substitution in tga1 Authors: Huai Wang Monsanto Company Anthony J Studer University of...
WebbThe most critical step in maize (Zea mays ssp. mays) domestication was the liberation of the kernel from the hardened, protective casing that envelops the kernel in the maize … signs of mottled skinWebbFigure 1 tga1 and not1 gene expression and protein accumulation. (A) RT-qPCR results showing tga1 (top panel) and not1 (bottom panel) expression. tga1 expression was not statistically different between genetic stocks (ANOVA: P = 0.9467, n = 10). not1 expresses less when tga1 is a maize allele. Maize-not1 expresses less in W22 than in T249 and … signs of mothball poisoningWebb4 maj 2015 · Figure 6 Phenotypes of tga-RNAi plants. (A–C) tga1-RNAi plants have longer lateral branches. (A) A nontransgenic control plant with a short lateral branch. (B) A typical tga1-RNAi plant from event 4 with a long lateral branch. (C) Lateral branches with leaves removed; top one is from nontransgenic control; the others are from tga1RNAi plants, … signs of ms in adultsWebb1 aug. 2005 · The most critical step in maize (Zea mays ssp. mays) domestication was the liberation of the kernel from the hardened, protective casing that envelops the kernel in … therapie badeanzugWebbThe most critical step in maize (Zea mays ssp. mays) domestication was the liberation of the kernel from the hardened, protective casing that envelops the kernel in the maize … signs of moshiachWebb24 maj 2010 · They discovered that all maize was genetically most similar to a teosinte type from the tropical Central Balsas River Valley of southern Mexico, suggesting that this region was the “cradle” of... signs of morphine withdrawal symptomsWebbThe Native Americans founded it and it quickly spread to other parts of the world. The Native Americans transformed maize by carefully cultivating. Maize developed from a wild grass called Teosinte that originally grew in Southern Mexico, 7,000 years ago. The Teosinte kernels looked completely different from the kernels of today’s corn or maize. signs of mouth cancer men