Search results for chromosome
Does polyploidy play a role in the onset of the Italian endemic flora?
Besides the obvious differences between plants and animals, subtle ones lie concealed within the cell, even within the nucleus. In both plant and animal cells, the nucleus contains DNA, which condenses into ...
May 22, 2012 |
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Yellow monkey flower could shed light on evolution's mysteries
(Phys.org) -- The French impressionist Claude Monet once credited flowers as the reason for him “having become a painter.”
May 23, 2012 |
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Mapping the genomes of crocodiles and alligators -- It's not for the faint of heart
(Phys.org) -- David Ray never turns his back on his research, and with good reason! "If it can't bite you, it's not interesting," he jokes.
May 22, 2012 |
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Not only humans compensate: Dosage compensation of sex chromosomes in plants
Swiss researchers have found evidence that plants also "invented" the dosage compensation of sex chromosomes. They detected this phenomenon in the white campion.
May 16, 2012 |
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Men can rest easy -- sex chromosomes are here to stay
Fears that sex-linked chromosomes, such as the male Y chromosome, are doomed to extinction have been refuted in a new genetic study which examines the sex chromosomes of chickens.
May 08, 2012 |
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New key mechanism in cell division discovered
Researchers from the Bellvitge Biomedical Research Institute (IDIBELL) have identified the mechanism by which protein Zds1 regulates a key function in mitosis, the process that occurs immediately before cell division. The ...
May 18, 2012 |
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Maps of Miscanthus genome offer insight into grass evolution
Miscanthus grasses are used in gardens, burned for heat and energy, and converted into liquid fuels. They also belong to a prominent grass family that includes corn, sorghum and sugarcane. Two new, indepe ...
May 15, 2012 |
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Seeing color traced back to genetic mutations
From the inside of our heads, it feels as if colors are intrinsic aspects of the outside world and our eyes are beautifully designed to see them. But we humans are merely sampling the possible ways of sensing the spectrum ...
May 21, 2012 |
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Scientists illuminate the ancient history of circumarctic peoples
Two studies led by scientists from the University of Pennsylvania and National Geographic's Genographic Project reveal new information about the migration patterns of the first humans to settle the Americas. The studies identify ...
Other Sciences / Archaeology & Fossils
May 17, 2012 |
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A new dimension to DNA and personalized medicine of the future
(Phys.org) -- By investigating the existence of an unusual four-stranded structure of DNA in human cells, scientists have opened the door to novel cancer therapeutics and a new era for personalised medicine.
May 16, 2012 |
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Genes underlying the key domestication process in sorghum and other cereals
A study by a team of university and government scientists led by a Kansas State University researcher, indicates that genes responsible for seed shattering -- the process by which grasses disseminate their seeds -- were under ...
May 14, 2012 |
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DNA replication protein Cdt1 also has a role in mitosis, cancer
The foundation of biological inheritance is DNA replication – a tightly coordinated process in which DNA is simultaneously copied at hundreds of thousands of different sites across the genome. If that ...
May 13, 2012 |
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Foxtail millet genome sequence completed
BGI, in cooperation with Zhangjiakou Academy of Agricultural Science, has completed the genome sequence and analysis of foxtail millet (Setaria italica), the second-most widely planted species of millet. This study provid ...
May 13, 2012 |
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Genetic packing: Successful stem cell differentiation requires DNA compaction, study finds
(Phys.org) -- New research findings show that embryonic stem cells unable to fully compact the DNA inside them cannot complete their primary task: differentiation into specific cell types that give rise to ...
May 11, 2012 |
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Study reveals dynamic changes in gene regulation in human stem cells
A team led by scientists at The Scripps Research Institute and the University of California (UC) San Diego has discovered a new type of dynamic change in human stem cells.
May 03, 2012 |
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