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| [reposted from h-net]CFP – The Spanish Urban Space in the 20th and 21st Centuries
Transitions: Journal of Franco-Iberian Studies seeks papers for a special number Navigating through the Spanish Urban Space in the 20th and 21st Centuries, to be devoted to the representation of the Spanish Urban Space in the 20th and 21st centuries. This volume will function as a mirror of our last issue constituted on the Parisian Banlieue. Papers should address perceptions, representations, or negotiations of the city in Spain through literature, film and/or art. Papers might address topics such as social production and interpretation of the urban space, how the city shapes-and in turn is shaped by—artistic creation, the mediation of the Spanish city in notions of subjectivity, identity, alterity, and/or regionalisms. This special issue will appear in December 2012. The deadline for submissions is September 15th, 2012. Transitions accepts original articles written in English, French… |
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Parasitic Plants Rafflesia cantleyi Steal Genes from Their Hosts!!!
New research published June 8 in BioMed Central‘s open access journal BMC Genomics reveals that the Malaysian parasitic plant Rafflesia cantleyi, with its 50cm diameter flowers, has ‘stolen’ genes from its host Tetrastigma rafflesiae. Analysis of these genes shows that their functions range from respiration to metabolism, and that some of them have even replaced the parasites own gene activity.
Vertical gene transfer occurs between parents and their offspring, while horizontal gene transfer is the movement of genes between two different organisms. Bacteria use horizontal gene transfer to exchange resistance to antibiotics. Recent studies have shown that plants can also use horizontal gene transfer, especially parasitic plants and their hosts due to their intimate physical connections.
read it here
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Posted in BIODIVERSITY, inventions, News, opinions
Tagged bmc genomics, CLIMATE, nature, plants, science
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