نتایج جستجو برای: proto
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In plants, the accumulation of the chlorophyll precursor Mg-protoporphyrin IX (Mg-Proto) in the plastid regulates the expression of a number of nuclear genes with functions related to photosynthesis. Analysis of the plastid-to-nucleus signaling activity of Mg-Proto in Arabidopsis thaliana led to the discovery of GUN4, a novel porphyrin-binding protein that also dramatically enhances the activit...
Genetic damages are frequently found in both tumor and normal cells at carcinogen exposed areas in the patients with upper aerodigestive tract cancer. These phenomena are explained by the multistage process and/or field cancerization theories. The c-erbB-2 proto-oncogene has been amplified in many human tumors including breast, stomach, kidney and lung cancers. To study the possible evidence of...
The MHC is a large genetic region controlling Ag processing and recognition by T lymphocytes in vertebrates. Approximately 40% of its genes are implicated in innate or adaptive immunity. A putative proto-MHC exists in the chordate amphioxus and in the fruit fly, indicating that a core MHC region predated the emergence of the adaptive immune system in vertebrates. In this study, we identify a pu...
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