搜索结果: 1-15 共查到“国际动态 遗传学其他学科”相关记录31条 . 查询时间(2.576 秒)
Chromosome organization emerges from 1-D patterns（图）
Chromosome organization 1-D patterns
2017/11/23
The DNA in a human cell is 2 yards long and wraps around millions of bead-like histone proteins to fit inside the cell’s nucleus. Researchers at Rice University and Baylor College of Medicine showed t...
UC biology study suggests a father’s nutrition before sex could contribute to the health of his offspring（图）
UC biology study suggests father’s nutrition before sex health of his offspring
2017/10/25
Doctors long have stressed the importance of good nutrition for expectant mothers.Now biologists at the University of Cincinnati say the father’s diet could play a similar role in the health of a baby...
Safely releasing genetically modified genes into the wild（图）
Safely releasing genetically modified genes the wild
2017/9/1
So, you’ve genetically engineered a malaria-resistant mosquito, now what? How many mosquitos would you need to replace the disease-carrying wild type? What is the most effective distribution pattern? ...
Genetic mutation trade-offs lead to parallel evolution
Genetic mutation trade-offs parallel evolution
2017/7/20
Organisms in nature adapt and evolve in complex environments. For example, when subjected to changes in nutrients, antibiotics, and predation, microbes in the wild face the challenge of adapting multi...
Harms of nighttime light exposure passed to offspring
Harms nighttime light exposure passed offspring
2017/4/27
Animals can pass the damaging effects of nighttime light exposure to their offspring, a new study has found, adding to a growing body of evidence that there’s a health cost to our increasingly illumin...
Biologists identify reproductive 'traffic cop'
Sarit Smolikove biology reproduction fertility chromosomes research
2017/2/16
Before an egg becomes fertilized, sets of chromosomes must pair up to pass along genetic information. This happens within each reproductive cell, where separate chromosomes of male and female origin m...
DNA四螺旋结构富集在基因开关区确认
DNA 四螺旋结构 基因开关区
2016/9/26
继2013年发现脱氧核糖核酸（DNA）也有四螺旋结构后，英国剑桥大学研究团队再次识别出人体细胞中这些四螺旋DNA结构在基因组内的具体位点，并证明这种DNA结构将在开发新型靶向性癌症疗法中扮演重要角色。该大学官网近日公布了这一刊登在《自然·遗传学》杂志上的研究成果。
You are what you eat:IU biologists map genetic pathways behind nutrition-based species traits
IU biologists genetic pathways nutrition-based species traits
2016/5/19
Biologists at Indiana University have significantly advanced understanding of the genetic pathways that control the appearance of different physical traits in the same species depending on nutritional...
Visualizing and predicting evolution by mapping the elusive 'fitness landscape'
Visualizing predicting evolution fitness landscape
2016/4/25
Suppose you were trying to design a vaccine to combat next season's influenza virus. Having a detailed map that tells you exactly how various strains of the flu bug will evolve would be extremely help...
Faulty bioelectric signal responsible for facial defects caused by rare genetic disorder
Faulty bioelectric signal facial defects genetic disorder
2016/2/23
Tufts University biologists have discovered the bioelectric mechanism by which the rare genetic disorder Andersen-Tawil syndrome (ATS) causes facial abnormalities, a finding that could lead to prevent...
Genetics help fish thrive in toxic environments,collaborative study finds
Genetics fish thrive toxic environments collaborative study
2016/2/23
They live in caves and springs throughout Mexico and thrive in water so toxic that most forms of life die within minutes.Meet the Atlantic molly – an extremophile fish that lives in toxic water full o...
New optogenetic probe enables communication with neural microcircuits
New optogenetic communication neural microcircuits
2015/11/13
The burgeoning field of optogenetics makes it possible for scientists to control brain activity using pulses of light. Now, Brown University researchers have developed an optogenetic device which open...
英国研究首次发现多动症源自遗传因素的证据
英国 多动症 遗传因素 证据
2010/10/8
英国科研人员经研究发现，患有多动症的儿童，其遗传物质脱氧核糖核酸（DNA）的某些片段缺失或异常复制。这是研究人员首次找到儿童多动症与遗传因素有关的直接证据。
Songbird genome shows how genes are involved in learning a tune（图）
Songbird genome genes a tune
2010/4/29
Scientists have announced that they have sequenced the genome of the zebra finch, the second bird genome to be sequenced after that of the chicken. The research published in Nature could help reveal t...
美遗传学家：天才不在基因 人人皆有潜能（图）
遗传学家 天才 基因
2010/3/23
据香港《大公报》2010年3月22日援引外电报道：一个人在数学、音乐或语言方面具备的固有才能，一直被视为与生俱来的天赋，或从生物学角度看是基因使然。但美国遗传学家申克请大家转换一个新角度，重新思考这个看法。