6772562

Source:http://linkedlifedata.com/resource/pubmed/id/6772562

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Predicate	Object
rdf:type	pubmed:Citation
lifeskim:mentions	umls-concept:C0010674, umls-concept:C0024109, umls-concept:C0033268, umls-concept:C0033809, umls-concept:C0205295
pubmed:issue	2
pubmed:dateCreated	1980-10-21
pubmed:abstractText	Direct electron microscopic examination of postmortem lung material from cystic fibrosis patients infected with Pseudomonas aeruginosa has shown that these bacterial cells form distinct fiber-enclosed microcolonies in the infected alveoli. Similar examination of bronchoscopy material from infected cystic fibrosis patients showed that the fibres of the enveloping matrix are definitely associated with the bacterial cells. The fibers of the extracellular matrix stain with ruthenium red and are therefore presumed to be polyanionic. When mucoid strains of P. aeruginosa were recovered from cystic fibrosis patients and grown in a suitable liquid medium, they were found to produce large microcolonies whose component cells were embedded in a very extensive matrix of polyanionic fibers that could be stabilized by reaction with antibodies to prevent collapse during the dehydration steps of preparation for electron microscopy. When these mucoid strains of P. aeruginosa were used to produce pulmonary infections of rats by the agar bead method, the infected alveoli contained large fiber-enclosed bacterial microcolonies. We conclude that the cells of P. aeruginosa that infect cystic fibrosis patients form microcolonies that are enveloped in a fibrous anionic matrix and that these microcolonies can be duplicated in in vitro cultures and in animal model systems.
pubmed:commentsCorrections	http://linkedlifedata.com/resource/pubmed/commentcorrection/6772562-109021, http://linkedlifedata.com/resource/pubmed/commentcorrection/6772562-109548, http://linkedlifedata.com/resource/pubmed/commentcorrection/6772562-1103373, http://linkedlifedata.com/resource/pubmed/commentcorrection/6772562-13278318, http://linkedlifedata.com/resource/pubmed/commentcorrection/6772562-13986422, http://linkedlifedata.com/resource/pubmed/commentcorrection/6772562-14151067, http://linkedlifedata.com/resource/pubmed/commentcorrection/6772562-374399, http://linkedlifedata.com/resource/pubmed/commentcorrection/6772562-400798, http://linkedlifedata.com/resource/pubmed/commentcorrection/6772562-4099895, http://linkedlifedata.com/resource/pubmed/commentcorrection/6772562-4601163, http://linkedlifedata.com/resource/pubmed/commentcorrection/6772562-623459, http://linkedlifedata.com/resource/pubmed/commentcorrection/6772562-635520, http://linkedlifedata.com/resource/pubmed/commentcorrection/6772562-812998, http://linkedlifedata.com/resource/pubmed/commentcorrection/6772562-819641, http://linkedlifedata.com/resource/pubmed/commentcorrection/6772562-96277
pubmed:language	eng
pubmed:journal	http://linkedlifedata.com/resource/pubmed/journal/0246127
pubmed:citationSubset	IM
pubmed:chemical	http://linkedlifedata.com/resource/pubmed/chemical/Mucoproteins
pubmed:status	MEDLINE
pubmed:month	May
pubmed:issn	0019-9567
pubmed:author	pubmed-author:ChaoSS, pubmed-author:CostertonJ WJW, pubmed-author:LalDD, pubmed-author:LamJJ
pubmed:issnType	Print
pubmed:volume	28
pubmed:owner	NLM
pubmed:authorsComplete	Y
pubmed:pagination	546-56
pubmed:dateRevised	2009-11-18
pubmed:meshHeading	pubmed-meshheading:6772562-Cystic Fibrosis, pubmed-meshheading:6772562-Humans, pubmed-meshheading:6772562-Lung, pubmed-meshheading:6772562-Microscopy, Electron, pubmed-meshheading:6772562-Mucoproteins, pubmed-meshheading:6772562-Pseudomonas aeruginosa, pubmed-meshheading:6772562-Pulmonary Alveoli
pubmed:year	1980
pubmed:articleTitle	Production of mucoid microcolonies by Pseudomonas aeruginosa within infected lungs in cystic fibrosis.
pubmed:publicationType	Journal Article