منابع مشابه
Applications of Remote Sensing to Alien Invasive Plant Studies
Biological invasions can affect ecosystems across a wide spectrum of bioclimatic conditions. Therefore, it is often important to systematically monitor the spread of species over a broad region. Remote sensing has been an important tool for large-scale ecological studies in the past three decades, but it was not commonly used to study alien invasive plants until the mid 1990s. We synthesize pre...
متن کاملMutational Biases and GC-Biased Gene Conversion Affect GC Content in the Plastomes of Dendrobium Genus
The variation of GC content is a key genome feature because it is associated with fundamental elements of genome organization. However, the reason for this variation is still an open question. Different kinds of hypotheses have been proposed to explain the variation of GC content during genome evolution. However, these hypotheses have not been explicitly investigated in whole plastome sequences...
متن کاملThe alien hand syndrome: What makes the alien hand alien?
The alien hand syndrome is a deeply puzzling phenomenon in which brain-damaged patients experience their limb performing seemingly purposeful acts without their intention. Furthermore, the limb may interfere with the actions of their normal limb. We report a case of alien hand syndrome following a left medial frontal and corpus callosum ischemic lesion. From our clinical observations and the pa...
متن کاملEvidence of Selection upon Genomic GC-Content in
The genomic GC-content of bacteria varies dramatically, from less than 20% to more than 70%. This variation is generally ascribed to differences in the pattern of mutation between bacteria. Here we test this hypothesis by examining patterns of synonymous polymorphism using datasets from 149 bacterial species. We find a large excess of synonymous GCRAT mutations over ATRGC mutations segregating ...
متن کاملDna Sequence Evaluation Dna Sequence Evaluation Gc Content
• A DNA molecule consists of two strands, commonly referred to as top and bottom; positive and negative; or normal and reverse. The contents of one strand form a reverse complement of the other strand. The ”complement” part: A(denine) is always paired with Thymine, while Cytosine is always paired with Guanine. The ”reverse” part: the strand are read in opposite directions: the 5’ end of one str...
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ژورنال
عنوان ژورنال: Journal of Cell Biology
سال: 2006
ISSN: 1540-8140,0021-9525
DOI: 10.1083/jcb.1741rr5