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Kiran Mazumdar-Shaw talks about India’s battle with Covid-19 In an interview with DNA, Kiran Mazumdar-Shaw, Chairperson and Managing Director, Biocon, talks about India’s battle with Covid-19 and how the country is faring with its vaccination program. She also discusses the need for more investment in the healthcare sector, the development of the biotechnology industry and the importance of innovation in tackling the pandemic. She emphasizes the need for collaboration between industry, government and civil society to effectively tackle the pandemic.
Model suggests how ancient RNA may have gained self-cutting ability essential for life
Scientists have long pondered the beginnings of life on Earth. One theory is that RNA, which is ubiquitous across all domains of life, played a central role in early life. Similar to DNA, RNA possesses the ability to store genetic information. However, to initiate life's processes, early RNA must have also possessed the capability to self-replicate and catalyze biochemical reactions independently, without the assistance of specialized enzymes.
Ancient Adélie penguin DNA reveals that small repeats persist for hundreds of millions of years
Microsatellites are valuable tools for studying inheritance, genetic diversity, and population dynamics across a wide range of organisms including bacteria, plants, animals, and fungi. These short, repeating sequence motifs are a common feature of both coding and non-coding DNA and have been observed in all genomes studied to date.
DNA Methylation marks related to maternal obesity and weight gain during pregnancy | Research Communities by Springer Nature
Having obesity or excessive weight gain during pregnancy increases the risks of complications, such as gestational diabetes and high blood pressure, as well as diabetes later in life. Understanding the mechanisms of obesity in pregnancy may help prevent and treat related complications.
eDNA methods give a real-time look at coral reef health | ScienceDaily
The study underscores the crucial role of microbes in maintaining coral reef health, akin to the human gut microbiome. Hurricanes and disease outbreaks affect coral reef water microbial communities, leading to changes that may support further reef decline. Microbial analysis enables prompt assessment of disturbances' impacts on coral reefs, facilitating timely interventions to support reef ecosystems. Environmental DNA (eDNA) analysis offers a noninvasive approach to study coral microbial communities and diagnose reef health.
DNA cryptography: Introducing chemical unclonable functions | Research Communities by Springer Nature
DNA is not only the information carrier of life, but is also of great interest in the fields of digital data storage and molecular computation. A novel form of DNA-based cryptography uses chemical entropy to further connect the physical and the digital realm.
Researchers report on mechanisms of gene regulatory divergence between species
Closely related animal species can look physically different, but you might be surprised to learn that those differences can result not only from DNA sequence changes that alter proteins' structure or function, but also because changes in the DNA affect how those proteins are expressed. To add to that, not all differences between species can be explained by DNA sequence changes alone.