• 关于奥密克戎毒株你想知道的都在这里

    21-11-30 对于近日在一些国家出现的新冠病毒变异毒株奥密克戎,世界卫生组织26日紧急召开专门评估会议,将其列为需要关注的变异毒株,要求各国加强监测与测序工作。奥密克戎毒株为何需要关注?此次病毒突变的意义何在?现有防疫工具是否还有效? What is it called? 最新变异毒...

  • 吸烟会导致DNA突变

    16-11-15 Smoking leaves an archaeological record of the hundreds of DNA mutations it causes, scientists have discovered. 科学家研究发现,吸烟会导致DNA突变,给人留下数百种基因突变的永久记录。 Having sequenced thousands of tumour genomes, they found a 20-a-day...

  • 在癌细胞中检测DNA变异的计算机程序

    16-04-20 Researchers at The University of Texas MD Anderson Cancer Center have announced a new method for detecting DNA mutations in a single cancer cell versus current technology that analyzes millions of cells which they believe could have important applic...

  • 遗传学上讲 哺乳动物长相更像父亲

    15-03-03 You might resemble or act more like your mother, but a novel research study from UNC School of Medicine researchers reveals that mammals are genetically more like their dads. Specifically, the research shows that although we inherit equal amounts of...

  • 迄今最古老的癌症已存在1.1万年

    14-01-28 Scientists have sequenced the genome of the world's oldest continuously surviving cancer, a transmissible genital cancer that affects dogs. This cancer, which causes grotesque genital tumors in dogs around the world, first arose in a single dog that...

  • DNA内部存在天然放射性

    13-12-19 Curtin University researchers have shown natural radioactivity within DNA can alter chemical compounds, providing a new pathway for genetic mutation. The research, recently published in Biochimica et Biophysica Acta-General Subjects, for the first t...

  • 任何单一基因的缺失都会导致基因组的变异

    13-11-14 Johns Hopkins researchers report that the deletion of any single gene in yeast cells puts pressure on the organism's genome to compensate(补偿,赔偿) , leading to a mutation in another gene. Their discovery, which is likely applicable to human gen...

  • 重要基因突变易导致罕见疾病

    11-06-10 Mutations in genes essential to survival are behind so-called orphan diseases, explaining in part why these diseases are rare and often deadly, according to a study appearing in The American Journal of Human Genetics. The new finding contrasts sharp...

  • 细菌基因突变可产生意外的效用

    10-11-07 Most mutations(突变,变化) in the genes of the Salmonella bacterium(沙门氏菌) have a surprisingly small negative impact on bacterial fitness. And this is the case regardless whether they lead to changes in the bacterial proteins or not. This is...

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