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Scientists Uncover Multi‑Centuries DNA Archive on the Shroud: Humans, Microbes, Crops and More
https://www.bioscience.com.pk/en/subject/genetics/scientists-analyze-the-shroud-of-turin-and-find-a-complex-biological-record-built-over-centuriesDNA analysis uncovers human, microbial, plant and animal traces on the Shroud of Turin, shedding fresh light on its complex biological history. Measuring roughly 14 feet (4.4 meters) in length, the linen cloth bears a faint double‑sided impression of a...
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Scientists Build Synthetic DNA Complexes to Solve a Bacterial Gene-Transfer Mystery
https://www.bioscience.com.pk/en/subject/biotechnology/removal-of-vird2-from-a-synthetic-t-dna-complex-of-agrobacterium-by-the-host-dna-repair-protein-tdp2A newly developed in vitro system reveals how plant and animal enzymes clear protein roadblocks during bacterial DNA integration. Scientists have developed a cell-free technique to track how a plant-infecting bacterium hands off its genetic material,...
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How Extrachromosomal DNA Helps Tumors Grow Faster and Stronger
https://www.bioscience.com.pk/en/subject/genetics/how-extrachromosomal-dna-helps-tumors-grow-faster-and-strongerA new study uncovers small genomic regions that allow cancer’s circular DNA to attach to chromosomes during cell division, ensuring the survival of powerful oncogene copies. Cancer rewrites the rules of biology in ways that often surprise even...
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Scientists Discover a Hidden Layer of Human DNA That Changes Everything We Knew About Genes
https://www.bioscience.com.pk/en/subject/biotechnology/team-finds-new-layer-of-the-human-genomeGroundbreaking research into DNA organization and transcription is challenging long-held scientific assumptions about how the genome functions. For decades, molecular biologists have operated under the assumption that ribonucleotides—the building...
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Scientists Turn Mosquitoes Into Living Sensors That Reveal Hidden Wildlife
https://www.bioscience.com.pk/en/subject/genetics/scientists-turn-mosquitoes-into-living-sensors-that-reveal-hidden-wildlifeA new study shows mosquitoes can quietly collect DNA from dozens of animals, offering a surprisingly powerful way to monitor biodiversity and track elusive species in the wild. Most people swat mosquitoes without a second thought. They buzz, they bite,...
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Ghost Ancestors Reveal Two Unknown Human Lineages Inside Our DNA
https://www.bioscience.com.pk/en/subject/genetics/scientists-discover-two-mysterious-human-ancestors-that-have-been-hiding-in-our-dna-all-alongNew genetic analysis of ancient DNA uncovers a surprising chapter in human history, revealing secrets hidden for tens of thousands of years. Modern humans still carry DNA from two previously unknown extinct human lineages, according to a new study from...
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Scientists Potentially Uncover Leonardo da Vinci’s DNA on Old Sketches
https://www.bioscience.com.pk/en/subject/genetics/scientists-potentially-uncover-leonardo-da-vincis-dna-on-old-sketchesA revolutionary DNA swabbing technique has allowed researchers to extract “biological signatures of history” from fragile Renaissance artifacts, revealing the hidden biomes and paternal lineages of the world’s most famous polymath. This study details...
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Ghost Ancestors Revealed: Hidden Lineage Contributes Up to 1% DNA to Every Human
https://www.bioscience.com.pk/en/subject/genetics/hidden-dna-in-modern-humans-points-to-two-lost-branches-of-the-human-familyGenetic study reveals two unknown archaic hominin lineages that still contribute DNA to modern humans, highlighting a more complex evolutionary history. A recent analysis suggests that a previously unidentified human branch mixed with the ancestors of...
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Scientists Have Discovered Ancient Human DNA Hidden on Cave Walls
https://www.bioscience.com.pk/en/subject/biology/for-the-first-time-scientists-found-ancient-human-dna-on-cave-walls-nobody-had-paintedResearchers discovered human DNA traces in five ancient samples, four of which lacked paint, offering new insights into prehistoric artifacts. In a groundbreaking achievement for paleogenetics, researchers have successfully extracted ancient human DNA...
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7,000-Year-Old DNA Reveals a Lost Human Lineage in the Sahara
https://www.bioscience.com.pk/en/subject/genetics/7000-year-old-dna-reveals-a-lost-human-lineage-in-the-saharaDNA from two ancient Saharan herders shows that early people in North Africa adopted herding through shared ideas, not mass migration, and belonged to a long-isolated human lineage once living in a greener Sahara. Today, the Sahara is known for heat,...
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Scientists Just Recovered Ancient Human DNA From Cave Walls For The First Time
https://www.bioscience.com.pk/en/subject/biology/scientists-found-ancient-human-dna-on-cave-walls-for-the-first-time-and-some-came-from-rock-no-one-ever-paintedthe last visitors have departed. In a milestone for paleogenetics, researchers have successfully recovered ancient human DNA directly from cave walls, demonstrating that genetic material can remain preserved on rock surfaces for millennia. This...
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Towards a cure for herpesviruses: Targeting infection with CRISPR/Cas9
https://www.bioscience.com.pk/en/topics/informative/towards-a-cure-for-herpesviruses-targeting-infection-with-crispr-cas9reactivations, that may lead to disease. A study published on June 30th in PLOS Pathogens suggests that attacking herpesvirus DNA with CRISPR/Cas9 genome editing technology can suppress virus replication and, in some cases, lead to elimination of the...
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DNA Analysis Of Montreal Colonial Skeletons Challenges Long Held Ancestry Myths
https://www.bioscience.com.pk/en/subject/earth-science/dna-from-45-skeletons-in-a-montreal-cemetery-revealed-family-lineages-but-their-graves-were-scattered-far-apart-and-that-is-only-part-of-the-storyDNA analysis of a 17th-century Quebec cemetery reveals surprising ancestral truths, reshaping our understanding of family legends and early colonial history. A genetic investigation into 45 sets of remains recovered from a colonial-era cemetery in...
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Scientists Just Extracted Human DNA From Cave Dirt With No Bones Required
https://www.bioscience.com.pk/en/subject/genetics/a-few-grains-of-cave-sediment-preserved-human-dna-for-22-000-years-and-scientists-finally-recovered-itinto Europe’s mysterious Ice Age history. In a major leap for paleogenetics, researchers have successfully extracted nuclear DNA from cave sediment, offering a detailed look at the lives of humans who inhabited northern Spain roughly 22,000 years ago....
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Mitochondria: Definition, Function, Structure and Facts
https://www.bioscience.com.pk/en/topics/cell-biology/mitochondria-definition-function-structure-and-factsrevolutionized our understanding of cellular metabolism. Furthermore, mitochondria are unique in that they possess their own DNA, known as mitochondrial DNA (mtDNA). This DNA is separate from the nuclear DNA found in the cell's nucleus. The presence of...
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Novel GABA Metal Complexes Target DNA and Combat Breast Cancer Cells
https://www.bioscience.com.pk/en/subject/astronomy/mononuclear-mg-ii-and-ca-ii-metallocarboxylates-of-n-phthaloyl-g-aminobutyric-acid-synthesis-characterization-ds-dna-binding-preliminary-anticancer-evaluation-against-mda-mb-231-cells-and-computational-studiesfood component with essential alkaline earth metals, scientists create dual-targeting metallodrugs with high affinity for DNA grooves. A team of researchers has introduced a novel class of bioinorganic compounds by combining the biological properties of...
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How AI Is Designing Ultra-Precise CRISPR Gene Editors From Scratch
https://www.bioscience.com.pk/en/subject/technology/scientists-are-designing-crispr-gene-editors-with-aiCRISPR’s accuracy. Gene‑editing works like a delicate matchmaking process: the protein “scissors” must latch onto a precise DNA segment, and a deviation as small as a single hydrogen atom can cause the enzyme to slip onto a similar, unintended site. In...
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DNA Reveals Scythian Elite Were Linked By Family Networks Across the Eurasian Steppe
https://www.bioscience.com.pk/en/subject/earth-science/a-2-500-year-old-dna-discovery-is-rewriting-the-story-of-iron-age-powerAncient DNA shows Scythian elite families kept power across generations, forcing historians to rethink Iron Age nomadic social structures. A new genetic study has supplied strong evidence that political authority among the Scythian aristocracy was...
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Google Just Mapped the Effects of Every Possible Human DNA Mutation
https://www.bioscience.com.pk/en/subject/technology/googles-genome-atlas-predicts-the-effect-of-every-possible-dna-mutationGoogle’s new genome atlas uses advanced AI to predict the health impact of every possible DNA mutation, offering a powerful tool for medical research. Google DeepMind has unveiled a new digital resource that promises to transform how scientists...
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Ancient Antarctic Microbes Reveal How Long Life Can Actually Survive in Deep Freeze
https://www.bioscience.com.pk/en/subject/genetics/ancient-microbes-in-antarctic-ice-put-a-new-limit-on-lifes-survivalAncient microbes trapped in Antarctic ice for millions of years show signs of life, offering new clues on how long DNA survives in extreme frozen environments. Deep Freeze: How Ancient Antarctic Ice Reveals the Limits of Microbial Survival Research...