Adenine nucleotide and lysine transport in Chlamydia psittaci

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Adenine nucleotide and lysine transport in Chlamydia psittaci.

Isolated reticulate bodies of Chlamydia psittaci were found to transport ATP and ADP by an ATP-ADP exchange mechanism. ATP uptake activity was not detected in elementary bodies. The apparent Km of transport for both ATP and ADP was approximately 5 microM, and the calculated Vmax for both was about 1 nmol of nucleotide transported per min per mg of protein. ADP competitively inhibited ATP transp...

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Conformationally restricted adenine nucleotide analogs in mitochondrial adenine nucleotide transport.

The conformationally restricted adenine nucleotide analogs 8,3'anhydro-8-oxy-9-(beta-D-xylofuranosyl)adenine-5'-O-tri(di)-phosphate (I), and 8,2'-anhydro-8-oxy-9-(beta-D-arabinofuranosyl) adenine-5'-O-tri(di)-phosphate (II), were prepared chemically as their alpha-32P-labelled compounds and compared with syn-structured 8-bromo AT(D)P in mitochondrial adenine nucleotide translocation. The experi...

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Chlamydia psittaci in birds of prey, Sweden

BACKGROUND Chlamydia psittaci is an intracellular bacterium primarily causing respiratory diseases in birds but may also be transmitted to other animals, including humans. The prevalence of the pathogen in wild birds in Sweden is largely unknown. METHODS DNA was extracted from cloacae swabs and screened for C. psittaci by using a 23S rRNA gene PCR assay. Partial 16S rRNA and ompA gene fragmen...

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Miniature cell formation in Chlamydia psittaci.

In an electron microscope study on the developmental cycle of the goat pneumonitis strain of Chlamydia psittaci in L cells, it was observed that miniature reticulate bodies, measuring approximately 0.2 mum in diameter and surrounded by double unit membranes, were produced infrequently from normal-sized reticulate bodies through a "budding"-like process. As little as 0.1 mug of penicillin per ml...

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Nucleotide sequence of a gene encoding a new genus specific protein of Chlamydia psittaci.

DNA fragment No. 13 from the C. psittaci pigeon strain, has been cloned in the plasmid pUC19. Hybridization analysis revealed that the fragment maintained a chlamydial common sequence. Furthermore, nucleotide sequencing identified two partial open reading frames (ORF), 675b. p. and 530b. p. Expression of ORFs revealed that the second ORF encoded 25KD polypeptide, whereas the first ORF did not p...

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ژورنال

عنوان ژورنال: Journal of Bacteriology

سال: 1982

ISSN: 0021-9193,1098-5530

DOI: 10.1128/jb.150.2.662-670.1982