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Camel myoglobin.

ABSTRACT: 1. Crystalline myoglobin was prepared from camel heart muscle. 2. A method was developed for the isolation of myoglobin that employs molecular-sieve chromatography. 3. Analytical chromatography of the camel myoglobin on a molecular-sieve column and on two types of ion-exchange columns gave in each case a single elution band, which accounted for better than 98% recovery and showed that the product was free from haemoglobin. 4. The iron content on a dry weight basis was 0.308%. This value corresponds to a molecular weight of 18100. 5. The spectra of acidic ferrimyoglobin, basic ferrimyoglobin and ferrimyoglobin cyanide were measured. 6. The pK(a) of the dissociation of the haem-bound water molecule in acidic ferrimyoglobin was 8.53 at 25 degrees . 7. Conclusions are drawn about the charge on the surface of the camel ferrimyoglobin molecule as compared with horse and sperm-whale ferrimyoglobins.

SUBMITTER: Awad ES

PROVIDER: S-EPMC1264936 | biostudies-other | 1966 Mar

REPOSITORIES: biostudies-other

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Project description:BackgroundThe camel pox virus (CMLV) is a widespread infectious viral disease of camels. It is necessary to conduct research on new strains for the development of vaccines.AimThe research aims to characterize a novel strain isolated from the CMLV used to produce a CMLV vaccine.MethodsThe objects of the study were the "M-0001" strain isolated from a sample of animals infected with the CMLV during the epidemic. The cultural and reproductive properties of the virus isolate were studied using primary cell lines from primary trypsinized lamb kidney and testicular cell cultures (LK and LT). Other samples included kidney cell lines from transplanted sheep as well as a kidney cell line from transplanted cattle, Vero (transplanted green monkey kidney cell line), and calf trachea. The strain was polymerase chain reaction (PCR)-tested and sequenced for characterization purposes.ResultsThe PCR results show that the study sample is species specific and corresponds to the CMLV by the size of the cumulative amplifications, which is 241 bp. Given the maximum percentage of a sequence match analyzed by the BLAST algorithm based on the international database and the results of phylogenetic analysis, the M0001 sample was determined to belong to the CMLV (gene bank inventory number KP768318.1).ConclusionThe sample "M0001" is located on the same branch with a representative from CMLV. Among the cell cultures tested, the LK and LT cell lines were the most sensitive to the isolated CMLV isolate. Reproducing the virus in these cell cultures remains stable even after 15 consecutive passes. The cytopathic effect of the virus was less pronounced and low in transplanted cell lines, and the cytopathic effect was no longer apparent in the third passage. A genome alignment of the virus has identified potentially conserved sites, and analysis of loci in different virus types revealed one maximally conserved locus. An epizootic strain of the camelina virus "M-0001" candidate to produce vaccines for the camels was obtained. An experimental vaccine sample based on an isolated and charred camellia virus will be created in the future.

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Camel myoglobin.

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