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南京农业大学农学院《Plant Cell》发表宋庆鑫教授团队“Asymmetric variation of DNA methylation during domestication and de-domestication of rice”（图）
宋庆鑫 水稻栽培 基因
2023/10/28
水稻是全球最为重要的粮食作物之一，在其漫长的驯化过程中形成了形态各异的水稻栽培亚型，包括粳稻、籼稻、Aro和Aus等。在水稻栽培种植历史过程中，有些水稻逐渐恢复部分野生稻表型特征，最终演化成严重威胁全球水稻产量的杂草稻，这种现象称之为“去驯化”。通过基因组进化研究发现，大量驯化位点的变异在去驯化过程中并不能得到恢复，这就暗示着可能存在别的遗传机制来调控杂草稻在去驯化过程中恢复野生稻表型。DNA甲基...
Optimal slaughter weight of pigs assessed by means of the asymmetric S-curve
pigs feeding regime growth prediction non-linear models
2015/6/5
The present study was carried out on 68 barrows equally distributed into two different feeding groups (intensive and restricted). MR tomography was used to obtain data needed for the calculation of op...
Insecticidal Activities of the Enantiomers of Asymmetric 1-[1-(6-Chloro-3-pyridyl)ethyl]-2-nitroiminoimidazolidine against American Cockroach, Cucurbit Leaf Beetle, Green Rice Leafhopper and Green Peach Aphid Following Injection, Dipping and Spraying
American cockroach asymmetric chloronicotinyl insecticide enantioselectivity imidacloprid
2009/3/6
The title compound Me-IMI has been reported to show enantioselectivity in terms of binding affinity and nerve blocking activity in vitro. Here we examined the behavior of the optical isomers in vivo...