نتایج جستجو برای: coat
تعداد نتایج: 18836 فیلتر نتایج به سال:
A method was developed to screen bacteria for synthesis of mutant proteins with altered assembly and solubility properties using bacteriophage MS2 coat protein as a model self-associating protein. Colonies expressing coat protein from a plasmid were covered with an agarose overlay under conditions that caused the lysis of some of the cells in each colony. The proteins thus liberated diffused th...
Giardia lamblia undergoes surface antigenic variation. The ultrastructural location of antigens on four different variants was studied by label fracture and immunocytochemistry with four monoclonal antibodies (MAbs), each of which recognized the predominant variant in a particular clone. Each Giardia clone and its reacting MAb showed similar findings. The entire surface of the organism was cove...
Long known as a coat system that generates small transport vesicles from the endoplasmic reticulum (ER), the COPII coat also drives ER export of cargo proteins that are too large to be contained within these canonical carriers. With crystal and cryo-EM structures giving an atomic level view of coat architecture, current advances in the field have focused on understanding how the coat adapts to ...
Bacterial spores are encased in a multilayered proteinaceous shell, called the coat. In many Bacillus spp., the coat protects against environmental assault and facilitates germination. In Bacillus anthracis, the spore is the etiological agent of anthrax, and the functions of the coat likely contribute to virulence. Here, we characterize a B. anthracis spore protein, called Cotbeta, which is enc...
Striped jack nervous necrosis virus (SJNNV), a fish nodavirus, is the causative agent of viral nervous necrosis in marine fishes. The fish nodaviruses are divided into four different genotypes based on the nucleotide sequence of the coat protein gene. In the present study, partial coat protein genes of fish nodaviruses were expressed. This allowed the serological relationship among the differen...
Mature Brassica oleracea pollen grains are covered with a lipophilic pollen coat containing a variety of proteins. Screening of an anther cDNA expression library for the coding sequences of such proteins resulted in the isolation of a number of cDNA clones encoding glycine-rich oleosins. The proteins were shown to be attached to the lipophilic coat material only and to be absent elsewhere in th...
In eukaryotes, coat protein complex II (COPII) proteins are involved in transporting cargo proteins from the endoplasmic reticulum (ER) to the Golgi apparatus. The COPII proteins, Sar1, Sec23/24, and Sec13/31 polymerize into a coat that gathers cargo proteins into a coated vesicle. Structures have been recently solved of individual COPII proteins, COPII proteins in complex with cargo, and highe...
The Romane sheep breed proved to be adapted to harsh conditions with high prolificacy and lamb survival in outdoor farming, even under bad climate conditions. This breed shows large variability in its fleece type at birth and it has been suggested that lamb survival could be related to birthcoat type. The aim of the present study was to: i) characterize the coat of the lamb at birth and quantif...
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