| 查看: 1207 | 回复: 2 | |||
| 当前只显示满足指定条件的回帖，点击这里查看本话题的所有回帖 | |||
咖喱VS土豆荣誉版主 (文坛精英)
|
[交流]
Father's diet impacts on son's ability to reproduce, study finds
|
||
|
New research involving Monash University biologists has debunked the view that males just pass on genetic material and not much else to their offspring. Instead, it found a father's diet can affect their son's ability to out-compete a rival's sperm after mating. The study sought to understand if the nutritional history of fathers had an effect on their sons. Experiments were carried out in the fruit fly, which shares many similar pathways and characteristics with human genes. One of the lead authors of the study, Dr Susanne Zajitschek from the School of Biological Sciences, said the study highlighted the importance of the paternal environment on future generations, even a long time before offspring were produced. "Our study found that males that were raised on either high or low protein diets, but spent their adulthood on an intermediate diet, produced sons that had large differences in gene expression, which most likely contributed to the resulting differences in sperm competitiveness," Dr Zajitschek said. "They differed in their ability to sire offspring, with the high-protein dads producing sons who were doing much better in sperm competition, which means their sperm was more likely to win against a competitor's sperm within the female tract. "We also found that the immune response genes were less active in sons of low-protein fathers, while metabolic and reproductive processes were increased in sons of fathers on a high protein diet," she said. The research, published in Biology Letters, is one of only a few studies to have so far reported trans-generational effects in relation to diet quality, and one of the first to report on the post-copulatory advantages conferred by parental diet. Researchers from Monash University, George Washington University, and the Spanish-based Donana Biological Station took part in the study which examined how high- and low-protein paternal larval diet influenced post-copulatory sexual selection and gene expression in the sons of fruit flies (Drosophila melanogaster). https://phys.org/news/2017-02-fa ... aign=daily-nwletter |
回复此楼» 猜你喜欢
为什么网上很多人说本周 12号出结果
已经有4人回复
-
基金中了
已经有15人回复
-
帮忙看看fileCode
已经有8人回复
-
小木虫上这么多卖论文的，真有人买论文么？感觉没必要啊
已经有3人回复
-
FileCode能看出啥？
已经有15人回复
-
filecode
已经有8人回复
-
确定了，国自然21号放榜
已经有7人回复
-
综述论文作为代表作会不会影响评审专家的印象分？
已经有11人回复
-
关于代码变化问题，想知道的进来
已经有24人回复
-
静等基金结果
已经有16人回复
 本帖仅楼主可见 |
3楼2017-02-26 21:33:27
|
yes, every family has a special diet. in the area where I live liking to eat noodles. But my family doesn't like. 发自小木虫Android客户端 |
2楼2017-02-25 09:17:21
100