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Updated: Feb 14, 2026

Molecular Evolution of the Tre Recombinase
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Molecular Evolution of the Tre Recombinase

Published on: May 29, 2008

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賞与与するか否か: 米の家畜化と改良過程における賞与の進化を振り返る

Chen Chen1, Ratri Rubaya Zaman2, Wendi Liu2

  • 1Jiangsu Key Laboratory of Crop Genomics and Molecular Breeding / Zhongshan Biological Breeding Laboratory / Key Laboratory of Plant Functional Genomics of the Ministry of Education, Agricultural College of Yangzhou University, Yangzhou, 225009, China; Jiangsu Co-Innovation Center for Modern Production Technology of Grain Crops, Agricultural College of Yangzhou University, Yangzhou, 225009, China; Yangzhou Modern Seed Innovation Institute, Gaoyou, 225600, China.

Plant communications
|February 13, 2026
PubMed
まとめ

米屋は20世紀半ばまで一般的であったが,減少は亜種よりゲン亜種で遅かった. Awnの減少は,早期の家畜化の選択ではなく,高収量繁殖によって引き起こされました.

キーワード:
また,減量も減少しています.アウネッドネス アウネッドネス植物育種 植物育種ドメスティケーション・シンドローム分子進化は分子進化である.米の栽培 化 米の栽培

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The Evidence for Evolution02:55

The Evidence for Evolution

Genetic variations accumulating within populations over generations give rise to biological evolution. Evolutionary changes can result in the formation of novel varieties and entire new species. These changes are responsible for the diverse forms of life inhabiting the planet. The evidence for evolution suggests that all living organisms descended from common ancestors.
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Convergent Evolution

Evolution shapes the features of organisms over time, ensuring that they are suited for the environments in which they live. Sometimes, selection pressure leads to the rise of similar but unrelated adaptations in organisms with no recent common ancestors, a process known as convergent evolution.
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The endosymbiont theory is the most widely accepted theory of eukaryotic evolution; however, its progression is still somewhat debated. According to the nucleus-first hypothesis, the ancestral prokaryote first evolved a membrane to enclose DNA and form the nucleus. Conversely, the mitochondria-first hypothesis suggests that the nucleus was formed after endosymbiosis of mitochondria.
Contrary to the endosymbiont theory, the eukaryote-first hypothesis proposes that the simpler prokaryotic and...
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Synteny and Evolution02:31

Synteny and Evolution

John H. Renwick first coined the term “synteny” in 1971, which refers to the genes present on the same chromosomes, even if they are not genetically linked. The species with common ancestry tend to show conserved syntenic regions. Therefore, the concept of synteny is nowadays used to describe the evolutionary relationship between species.
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The genomes of eukaryotes are punctuated by long stretches of sequence which do not code for proteins or RNAs. Although some of these regions do contain crucial regulatory sequences, the vast majority of this DNA serves no known function. Typically, these regions of the genome are the ones in which the fastest change, in evolutionary terms, is observed, because there is typically little to no selection pressure acting on these regions to preserve their sequences.
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