(Phys.org) —Transposons are DNA elements that can multiply and change their location within an organism's genome. Discovered in the 1940s, for years they were thought to be unimportant and were called "junk DNA." Also ...
Biotechnology
Aug 15, 2013
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Scientists have discovered a naturally occurring compound that triggers a plant's immune system, thereby protecting the plant from a secondary bacterial infection.
Plants & Animals
Apr 2, 2009
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Programmed cell death (PCD) is a highly regulated process that occurs in all animals and plants as part of normal development and in response to the environment. New research published in BioMed Central's open access journal ...
Cell & Microbiology
Jul 24, 2012
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Researchers have resolved a longstanding biological debate by revealing the existence and function of complex RNA structures in plants.
Plants & Animals
Sep 3, 2020
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Crops and other plants are constantly confronted with adverse environmental conditions, lowering yield and costing farmers billions of dollars annually. Plants use specialized signals, called stress hormones, to sense difficult ...
Plants & Animals
Apr 30, 2009
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As organisms develop, their internal organs arrange in a consistent asymmetrical pattern--heart and stomach to the left, liver and appendix to the right. But how does this happen?
Other
Jul 16, 2012
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Glutamate receptors play a central role in the human nervous system. Scientists estimate 90 percent of the human brain's synapses, or connections between neurons, send signals using glutamate. The role of similar receptors ...
Cell & Microbiology
Jul 24, 2017
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Bite into a sour apple and you destroy them - plant cell vacuoles. Even though these vacuoles make up the largest volume of plant cells, only little was known about how these cellular storehouses form and how the substances ...
Cell & Microbiology
Aug 19, 2010
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A research team at the University of Guelph has developed a new line of transgenic "Enviropigs." The new line of pigs is called the Cassie line, and it is known for passing genes on more reliably. The results of this project ...
Plants & Animals
Mar 7, 2013
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RNA molecules, made from DNA, are best known for their role in protein production. MicroRNAs (miRNAs), however, are short (~22) nucleotide RNA sequences found in plants and animals that do not encode proteins but act in gene ...
Cell & Microbiology
Apr 25, 2013
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