The origin of the naked grains of maize

Webb3 juni 2012 · Maize has undergone a particularly striking transformation. Researchers have sought for decades to identify the genes underlying maize evolution, ... The origin of the naked grains of maize. WebbThe history of modern-day maize begins at the dawn of human agriculture, about 10,000 years ago. Ancient farmers in what is now Mexico took the first steps in domesticating maize when they simply chose which kernels (seeds) to plant. These farmers noticed that not all plants were the same.

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Webb23 juli 2024 · Domestication is a tractable system for following evolutionary change. Under domestication, wild populations respond to shifting selective pressures, resulting in adaptation to the new ecological niche of cultivation. Owing to the important role of domesticated crops in human nutrition and agriculture, the ancestry and selection … 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, … dfw remote south https://oversoul7.org

Evidence That the Origin of Naked Kernels During Maize

Webb24 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... 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 … chylous ascites cirrhosis

origin of the naked grains of maize [2005] - agris.fao.org

Category:Genetics and molecular mapping of the naked grains in ... - Springer

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The origin of the naked grains of maize

The origin of the naked grains of maize - Academia.edu

Webb16 jan. 2024 · Avena sativa L. subsp. nudisativa has the ability to produce naked grains. Genetic studies on the naked trait of oat began over a century ago, but the genetic and molecular factors associated with the expression of this trait have not been fully clarified. The objectives of this study were to evaluate the naked trait in two oat populations of … 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

The origin of the naked grains of maize

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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 … 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 …

Webb4 apr. 2024 · The domesticated crop originated in the Americas and is one of the most widely distributed of the world’s food crops. Corn is used as livestock feed, as human food, as biofuel, and as raw material in … Webb1 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 …

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 … Webb8 jan. 2015 · The origin of maize (Zea mays mays) in the US Southwest remains contentious, with conflicting archaeological data supporting either coastal 1–4 or …

WebbFrom its humble origins of the native word “maíz” in Spanish, maize is one the oldest cereal grain that has been domesticated by human for over ten thousand years. By carefully applying sufficient heat to each kernel, causes their hard starchy interiors to explode out of itself into a white fluffy and delicious form of snack that we know today- Popcorn, and …

Webb14 sep. 2016 · Maize (Zea mays ssp. mays) originated in Mexico and Central America and belongs to the tribe Maydae of the family Poaceae. It possesses over 32,000 genes on ten chromosomes with a genome size of... chylous ascites 日本語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, … chylous ascites canineWebbNational Center for Biotechnology Information chylous ascites triglycerideWebbThe origin of the naked grains of maize (Q34440195) From Wikidata. Jump to navigation Jump to search. scientific article. edit. Language Label Description Also known as; … dfw remote parking south ratesWebbThe ear of maize, though not easily interpreted, is not difficult to describe. It is a spike upon whose thickened axis (the cob) naked grains (caryopses) are borne in lon-gitudinal or somewhat spiral rows ; eight, ten, twelve or more in number. The number of rows is always even because the spikelets upon which the grains are borne are dfw remote parking shuttle hoursWebb1 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 … dfw renalWebb4 aug. 2005 · The origin of the naked grains of maize Huai Wang, Tina Nussbaum-Wagler, +6 authors J. Doebley Published 4 August 2005 Biology Nature The most critical step in … chylous ascites differential