منابع مشابه
Striking Similarities in Fly and Vertebrate Olfactory Network Formation
Olfaction is a primitive sensory ability that is common to vertebrates and insects, but the neural circuits that underlie the ability to smell are very complex. Before an odor is recognized, it has to be processed through several stages by neurons in the olfactory system. Olfactory sensory neurons (OSNs), which detect odors at the first stage of processing, form precise connections with cells i...
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at the interface between biology, biochemistry and physics raised concerns that the slicing up of the organisation into disciplines might discourage such interdisciplinary work and make it harder to obtain funding for it. SLR cofounder and spokesman Alain Trautmann, head of the department of cellular biology at the Institut Cochin at Paris, expressed doubts that the plans will really amount to ...
متن کاملThe Drosophila 18 wheeler is required for morphogenesis and has striking similarities to Toll.
We have isolated and characterized a novel gene, named 18 wheeler (18w) for its unique segmental expression pattern in Drosophila embryos and expression in cells that migrate extensively. 18 wheeler transcripts accumulate in embryos in a pattern reminiscent of segment polarity genes. Mutations in 18w cause death during larval development and early adulthood. Escaping mutant adults often display...
متن کاملStriking Similarities in the Genomic Distribution of Tandemly Arrayed Genes in Arabidopsis and Rice
In Arabidopsis, tandemly arrayed genes (TAGs) comprise >10% of the genes in the genome. These duplicated genes represent a rich template for genetic innovation, but little is known of the evolutionary forces governing their generation and maintenance. Here we compare the organization and evolution of TAGs between Arabidopsis and rice, two plant genomes that diverged ~150 million years ago. TAGs...
متن کاملThe striking similarities between standard, distractor-free, and target-free recognition.
It is often assumed that observers seek to maximize correct responding during recognition testing by actively adjusting a decision criterion. However, early research by Wallace (Journal of Experimental Psychology: Human Learning and Memory 4:441-452, 1978) suggested that recognition rates for studied items remained similar, regardless of whether or not the tests contained distractor items. We e...
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ژورنال
عنوان ژورنال: Nature
سال: 1995
ISSN: 0028-0836,1476-4687
DOI: 10.1038/373273b0