资讯

克隆细胞DNA上的化学标签(甲基化标记)有助于细胞知道该开启或关闭哪些基因。当干细胞分裂时,甲基化标记会被复制到其子细胞中,留下一个永久的、天然的“条形码”。根据这一“条形码”,科学家可追溯干细胞的“家谱”。
A study explains how age reshapes the blood system. In both humans and mice, a few stem cells out-compete their neighbors and gradually take over blood production. The loss of diversity results in a ...
Changes in blood are detectable at age 50 and universal by 60, paving the way for spotting early signs of unhealthy aging.
Despite a huge media fanfare in which Colossal Biosciences claimed to have resurrected the extinct dire wolf, the company's ...
Thermo Fisher Scientific has introduced the Applied Biosystems™ MagMAX™ Pro HT NoSpin Plasmid MiniPrep Kit to meet the ...
Genetic tools for reviving the island’s endemic cedar, central to Bermuda’s culture and heritage as well as the environment, ...
In southeastern Brazil, the world’s most genetically elite cows strut their stuff in bovine beauty pageants. These “supercows ...
Men's resident loner, though he has developed many connections over the years that resulted in children who walked the same ...
Somatic hypermutation (SHM) of immunoglobulin variable (V) regions modulates antibody-antigen affinity is initiated by activation-induced cytidine deaminase (AID) on single-stranded DNA (ssDNA).
These scents, now bottled by a new biotech perfume brand called Future Society, never touched the noses of anyone alive today ...
Welcome back to Jurassic Park. Scarlett Johansson, Jonathan Bailey, and Mahershala Ali journey to the island that birthed ...
Scientists have discovered "barcodes" within DNA that reveal how blood ages, potentially paving the way for preventing ...