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水稻起源于热带和亚热带,对低温十分敏感,当温度低于15℃时水稻便无法正常生长。有统计显示,每年低温冷害导致我国水稻减产约50亿kg。近年来,因直播稻大面积推广以及水稻种植区域不断由热带、亚热带向高海拔、高纬度地区扩张,水稻遭受低温冷害的频率有增加趋势。低温冷害已成为限制我国水稻生产的一大瓶颈。因此,挖掘调控水稻耐冷性的关键基因,研究其作用机理,对防控水稻低温冷害具有重要意义。
Genomic studies of cancer patients have revealed thousands of mutations linked to tumor development. However, for the vast majority of those mutations, researchers are unsure of how they contribute to...
Much of the human genome is made of regulatory regions that control which genes are expressed at a given time within a cell. Those regulatory elements can be located near a target gene or up to 2 mill...
Engineers at MIT and the University of Massachusetts Medical School have designed a new type of nanoparticle that can be administered to the lungs, where it can deliver messenger RNA encoding useful p...
2023年2月27日,南京农业大学吴玉峰教授团队联合康奈尔大学Jian Hua教授合作在植物学领域权威期刊Plant Physiology在线发表了题为“m6A mRNA modification promotes chilling tolerance and modulates gene translation efficiency in Arabidopsis”的研究论文,揭示mRNA m6A...
It’s well-known that carrying one copy of the APOE4 gene variant increases one’s risk for Alzheimer’s disease threefold and two copies about tenfold, but the fundamental reasons why, and what can be d...
The Human Genome Project was an ambitious initiative to sequence every piece of human DNA. The project drew together collaborators from research institutions around the world, including MIT's Whitehea...
In human chromosomes, DNA is coated by proteins to form an exceedingly long beaded string. This “string” is folded into numerous loops, which are believed to help cells control gene expression and fac...
Despite the sheer number of genes that each human cell contains, these so-called “coding” DNA sequences comprise just 1 percent of our entire genome. The remaining 99 percent is made up of “non-coding...
Ateam of researchers led by Harvard and Broad Institute scientists has developed twin prime editing, a new, CRISPR-based gene-editing strategy that enables manipulation of gene-sized chunks of DNA in ...
When Sharif Tabebordbar was a teenager, his father began having trouble walking. Soon, he became wheelchair-bound and was diagnosed with a rare genetic muscle disease.
本研究基于全基因组分析,在雷蒙德氏棉、亚洲棉、海岛棉和陆地棉基因组中分别鉴定得到16、16、31和29个NF-YA基因。通过进化树分析将NF-YA基因分为4个亚组。结构分析表明NF-YA基因在棉属进化过程中相对保守。荧光定量显示GhNF-YAs可能通过ABA和 MeJA的调控通路响应盐和干旱。VIGS沉默GhNF-YA10和GhNF-YA23的表达,能显著降低棉花对盐的抗性,表明这两个基...
生长素在植物的正常生长发育中起着至关重要的作用。TAA/YUCCA基因家族编码色氨酸氨基转移酶(tryptophan aminotransferase),是生长素合成的关键酶。然而,棉花中YUCCA(YUC)基因家族尚未见报道。为了揭示YUC基因在棉花中的功能,我们系统地鉴定了五个棉种中的YUC基因家族,包括成员分析、特征描述、基因组内复制和共线关系。转录组学分析表明,GhYUCs参与了棉花的非生...
Within the last decade, scientists have adapted CRISPR systems from microbes into gene editing technology, a precise and programmable system for modifying DNA. Now, scientists at MIT’s McGovern Instit...
A preclinical study unexpectedly identified the gene Foxo1 as a potential treatment target for hereditary lymphedema. Valve loss or dysfunction that disrupts the flow of lymph fluid is strongly associ...

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