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Scientists Found Ancient Virus DNA Hiding in Medieval Manuscripts
https://www.bioscience.com.pk/en/subject/genetics/the-secret-written-into-ancient-books-a-sheep-virus-that-refused-to-disappearAncient DNA extracted from medieval manuscripts reveals the long-term evolution of sheep pox, linking historical livestock disease to modern outbreaks. Genetic analysis of ancient parchment and archaeological remains has revealed that the sheep pox...
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Tiny Deep‑Sea Predator Found at 8,000 Metres Thriving in Near‑Impossible Pressure
https://www.bioscience.com.pk/en/subject/genetics/scientists-found-a-new-predator-nearly-8-000-meters-deep-living-in-conditions-once-thought-impossiblea 1.5‑inch female that served as the reference specimen. Researchers sequenced the 16S and COI regions of mitochondrial DNA, standard markers for species identification, and found no close matches among known amphipods. Lead author Johanna Weston of the...
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DNA From Abandoned Island Cattle Finally Settles a Century Old Evolutionary Mystery
https://www.bioscience.com.pk/en/subject/biology/in-1871-a-farmer-abandoned-five-cows-on-a-remote-island-130-years-later-scientists-looked-at-their-dna-and-frozeThirteen years after a herd of cattle mysteriously vanished, scientists have used 18 surviving DNA samples to uncover the secrets of their unique lineage. In 1871, five head of cattle were transported from Réunion to Amsterdam Island, a remote volcanic...
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DNA Reveals the Bo People as the Ancestors of China’s Mysterious Hanging Coffins
https://www.bioscience.com.pk/en/subject/earth-science/for-years-nobody-knew-who-built-chinas-hanging-coffins-scientists-finally-found-the-people-behind-themof southern China, seeking to identify the ancient culture behind this unique burial practice. A recent analysis of ancient DNA has finally traced the makers of China’s enigmatic “hanging coffins” to the ancestors of the modern Bo community, which still...
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Cornell Denies Analyzing Purported Bigfoot DNA Amid Legal Threats From Hunter
https://www.bioscience.com.pk/en/subject/biology/a-man-claims-he-found-bigfoots-dead-body-in-new-york-and-has-dna-to-prove-it-but-even-bigfoot-hunters-arent-buying-itA controversial DNA study on a supposed Bigfoot corpse has sparked accusations of academic dishonesty, deepening the mystery surrounding the legendary ape. A self-described “Bigfoot hunter” named Charles Stuart has sparked a heated controversy after...
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DARPA Is Building A Genetic 3D Printer To Program Living Cells With Light
https://www.bioscience.com.pk/en/subject/genetics/dna-could-one-day-be-written-inside-living-cells-with-light-scientists-are-testing-the-possibilityDARPA is funding groundbreaking research into a cellular 3D printer that uses light to synthesize DNA and RNA, potentially revolutionizing biotechnology. The Defense Advanced Research Projects Agency (DARPA) is spearheading an ambitious...
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Scientists Have Identified the World’s Oldest Cheese Found on 3,600-Year-Old Mummies
https://www.bioscience.com.pk/en/subject/biology/white-lumps-found-on-3-600-year-old-mummies-turn-out-to-be-the-worlds-oldest-known-cheeseDNA analysis of mysterious white lumps found on ancient mummies has uncovered the world’s oldest evidence of a 3,600-year-old fermented food tradition. In 2003, archaeologists working at the Xiaohe Cemetery in the remote Tarim Basin of northwest China...
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Ancient DNA Reveals Why Medieval People Were Rarely Buried With Their Own Family
https://www.bioscience.com.pk/en/subject/genetics/this-medieval-grave-seemed-to-hold-a-family-ancient-dna-says-otherwiseAncient DNA analysis from medieval Swedish graves reveals that adults and children buried together were rarely close biological relatives, challenging norms. New genomic research into medieval Swedish burial sites suggests that modern assumptions about...
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Common Sweetener Byproduct Found To Damage DNA In Lab Study
https://www.bioscience.com.pk/en/subject/biology/scientists-found-a-byproduct-in-a-popular-sweetener-that-damages-dna-in-human-cellsA single DNA impurity and fragmented genetic material have sparked a critical debate regarding the safety standards for modern medical treatments. A compound known as sucralose-6-acetate has moved to the center of a scientific debate regarding the...
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19th‑Century Museum Specimen Solves Pangolin Mystery, Restoring Its Lost Scientific Name
https://www.bioscience.com.pk/en/subject/biology/a-forgotten-1836-pangolin-specimen-revealed-a-hidden-species-identityChinese pangolin and highlighting its conservation importance. A new analysis appearing in Communications Biology examined DNA extracted from a nineteenth‑century pangolin specimen housed at London’s Natural History Museum. The results settle the...
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Great Barrier Reef Microbiome Mapped Revealing More Than 500 New Species and 360,000 Viruses
https://www.bioscience.com.pk/en/subject/biology/scientists-just-mapped-the-great-barrier-reefs-hidden-microbiome-revealing-more-than-500-species-never-seen-beforesurvey spans 48 reef locations Collecting seawater from 48 distinct sites along the reef, the researchers extracted DNA and assembled an extensive catalogue of microbial genomes. The effort resulted in the creation of the Great Barrier Reef Microbial...
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New Epigenetic Therapy Could Permanently Switch Off Chronic Hepatitis B
https://www.bioscience.com.pk/en/subject/biotechnology/epigenetic-editing-could-wipe-out-chronic-hepatitis-b-infectionsnChroma Bio, focuses on neutralizing the two ways HBV persists in the body: as stable, chromosome-like structures known as cccDNA and as fragments of viral genetic material integrated into the patient’s own genome. These hidden reservoirs allow the...
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Scientists Have Discovered a Mysterious Genetic Collapse That Wiped Out Ancient Male Lineages
https://www.bioscience.com.pk/en/subject/genetics/7-000-years-ago-something-strange-happened-to-mens-dna-scientists-are-still-trying-to-explain-itAncient DNA analysis has uncovered a mysterious, forgotten event that fundamentally reshaped the trajectory of human male ancestry. Approximately 7,000 years ago, humanity experienced a profound genetic anomaly. Data extracted from the Y chromosome—the...
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DNASE TEST
https://www.bioscience.com.pk/en/topics/microbiology/dnase-testDNase mediates the hydrolysis of DNA. Methyl Green indicator is stable at pHs above 7.5 but becomes colorless at lower pHs. Objective: DNase mediates the hydrolysis of DNA. Methyl Green indicator is stable at pHs above 7.5 but becomes colorless at...
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Examination of Sputum
https://www.bioscience.com.pk/en/topics/pathology/examination-of-sputumtuberculosis in sputum samples. M. tuberculosis can be rapidly detected directly in sputum samples by identifying specific DNA sequences unique to it. In the M. tuberculosis complex, the targeted DNA sequence is IS 6110, as it is exclusively found...
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Detection of Nucleic Acid Sequences of Malaria Parasites
https://www.bioscience.com.pk/en/topics/genetics/detection-of-nucleic-acid-sequences-of-malaria-parasitesMalaria parasites can be detected by identification of specific nucleic acid sequences in their DNA. Methods based on polymerase chain reaction (PCR) have been developed for identification of DNA of malaria parasite. Malaria parasites can be detected...
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Google DeepMind Is Now Watermarking AI-Designed Proteins to Prevent Biological Risks
https://www.bioscience.com.pk/en/subject/biotechnology/google-deepmind-gives-ai-designed-proteins-a-watermarkunwatermarked counterparts. James Diggans, a scientist at Twist Bioscience in South San Francisco, noted that the role of DNA synthesis companies is critical as these innovations scale. While he was not directly involved in the development of SynthID...
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Synthetic SpudCell Grows, Replicates
https://www.bioscience.com.pk/en/subject/technology/this-synthetic-cell-grows-copies-its-dna-and-produces-offspring-but-it-isnt-aliveSpudCell marks a major advance in synthetic biology, creating a synthetic cell that grows, replicates DNA and produces offspring, though not alive. SpudCell marks a major advance toward synthetic biology’s goal of creating life from the ground up....
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Genetic Secrets of the World’s Oldest Land Animal Could Unlock the Mystery of Human Ageing
https://www.bioscience.com.pk/en/subject/genetics/scientists-analyzed-the-dna-of-jonathan-a-tortoise-believed-to-be-194-and-one-group-of-genes-told-a-very-different-storyan array of genetic variants associated with essential biological pathways known to combat aging, including mechanisms for DNA repair, metabolic regulation, and cancer suppression. Stephen Clark, a senior researcher at the Kallel Foundation, emphasized...
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Facial Reconstruction Reveals Mystery Man Who Defies Britain’s Saxon And Norman Divide
https://www.bioscience.com.pk/en/subject/genetics/who-was-this-man-scientists-reconstruct-a-face-from-norman-englandScientists have reconstructed the face of a man from the Norman Conquest era using forensic analysis and DNA to reveal his life in 11th-century England. Ancient DNA and Isotope Data Challenge Simplistic Narratives of 1066 The remains of an 11th-century...