Source:http://linkedlifedata.com/resource/pubmed/id/19121308
Switch to
Predicate | Object |
---|---|
rdf:type | |
lifeskim:mentions | |
pubmed:issue |
2
|
pubmed:dateCreated |
2009-1-22
|
pubmed:databankReference | |
pubmed:abstractText |
In plants, nucleobase biochemistry is highly compartmented relying upon a well-regulated and selective membrane transport system. In Arabidopsis two proteins, AtAzg1 and AtAzg2, show substantial amino acid sequence similarity to the adenine-guanine-hypoxanthine transporter AzgA of Aspergillus nidulans. Analysis of single and double mutant lines harboring T-DNA insertion alleles AtAzg1-1 and AtAzg2-1 reveal a marked resistance to growth in the presence of 8-azaadenine and 8-azaguanine but not to other toxic nucleobase analogues. Conversely, yeast strains expressing AtAzg1 and AtAzg2 gain heightened sensitivity to growth on 8-azaadenine and 8-azaguanine. Radio-labeled purine uptake experiments in yeast and in planta confirm the function of AtAzg1 and AtAzg2 as plant adenine-guanine transporters.
|
pubmed:language |
eng
|
pubmed:journal | |
pubmed:citationSubset |
IM
|
pubmed:chemical |
http://linkedlifedata.com/resource/pubmed/chemical/8-azaadenine,
http://linkedlifedata.com/resource/pubmed/chemical/Adenine,
http://linkedlifedata.com/resource/pubmed/chemical/Azaguanine,
http://linkedlifedata.com/resource/pubmed/chemical/Guanine,
http://linkedlifedata.com/resource/pubmed/chemical/Nucleobase Transport Proteins
|
pubmed:status |
MEDLINE
|
pubmed:month |
Jan
|
pubmed:issn |
1873-3468
|
pubmed:author | |
pubmed:issnType |
Electronic
|
pubmed:day |
22
|
pubmed:volume |
583
|
pubmed:owner |
NLM
|
pubmed:authorsComplete |
Y
|
pubmed:pagination |
481-6
|
pubmed:meshHeading |
pubmed-meshheading:19121308-Adenine,
pubmed-meshheading:19121308-Amino Acid Sequence,
pubmed-meshheading:19121308-Arabidopsis,
pubmed-meshheading:19121308-Azaguanine,
pubmed-meshheading:19121308-Biological Transport,
pubmed-meshheading:19121308-Guanine,
pubmed-meshheading:19121308-Molecular Sequence Data,
pubmed-meshheading:19121308-Nucleobase Transport Proteins,
pubmed-meshheading:19121308-Phylogeny,
pubmed-meshheading:19121308-Saccharomyces cerevisiae
|
pubmed:year |
2009
|
pubmed:articleTitle |
AtAzg1 and AtAzg2 comprise a novel family of purine transporters in Arabidopsis.
|
pubmed:affiliation |
Department of Biology, Indiana University-Purdue University Fort Wayne, Fort Wayne, IN 46805, USA.
|
pubmed:publicationType |
Journal Article,
Research Support, Non-U.S. Gov't
|