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A new reference genome for Sorghum bicolor reveals high levels of sequence similarity between sweet and grain genotypes: implications for the genetics of sugar metabolism

机译:高粱双色的新参考基因组揭示了甜型和谷物基因型之间的高度序列相似性:对糖代谢遗传学的影响

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摘要

BackgroundThe process of crop domestication often consists of two stages: initial domestication, where the wild species is first cultivated by humans, followed by diversification, when the domesticated species are subsequently adapted to more environments and specialized uses. Selective pressure to increase sugar accumulation in certain varieties of the cereal crop Sorghum bicolor is an excellent example of the latter; this has resulted in pronounced phenotypic divergence between sweet and grain-type sorghums, but the genetic mechanisms underlying these differences remain poorly understood.
机译:背景技术农作物的驯化过程通常包括两个阶段:最初的驯化,即首先由人类培育野生物种,然后进行多样化,随后使驯化的物种适应更多的环境和专门用途。增加某些谷物谷类作物糖分积累的选择性压力是高粱的一个很好的例子。这导致了甜型和高粱型高粱之间明显的表型差异,但是导致这些差异的遗传机制仍然知之甚少。

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