pubmed-article:19783645 | rdf:type | pubmed:Citation | lld:pubmed |
pubmed-article:19783645 | lifeskim:mentions | umls-concept:C0032098 | lld:lifeskim |
pubmed-article:19783645 | lifeskim:mentions | umls-concept:C0162741 | lld:lifeskim |
pubmed-article:19783645 | lifeskim:mentions | umls-concept:C0038435 | lld:lifeskim |
pubmed-article:19783645 | lifeskim:mentions | umls-concept:C0028128 | lld:lifeskim |
pubmed-article:19783645 | lifeskim:mentions | umls-concept:C1383501 | lld:lifeskim |
pubmed-article:19783645 | lifeskim:mentions | umls-concept:C0752063 | lld:lifeskim |
pubmed-article:19783645 | lifeskim:mentions | umls-concept:C1956027 | lld:lifeskim |
pubmed-article:19783645 | lifeskim:mentions | umls-concept:C1546857 | lld:lifeskim |
pubmed-article:19783645 | lifeskim:mentions | umls-concept:C1515655 | lld:lifeskim |
pubmed-article:19783645 | lifeskim:mentions | umls-concept:C1556066 | lld:lifeskim |
pubmed-article:19783645 | lifeskim:mentions | umls-concept:C1619636 | lld:lifeskim |
pubmed-article:19783645 | lifeskim:mentions | umls-concept:C1514873 | lld:lifeskim |
pubmed-article:19783645 | pubmed:issue | 4 | lld:pubmed |
pubmed-article:19783645 | pubmed:dateCreated | 2009-12-7 | lld:pubmed |
pubmed-article:19783645 | pubmed:abstractText | Peroxisomes are unique organelles involved in multiple cellular metabolic pathways. Nitric oxide (NO) is a free radical active in many physiological functions under normal and stress conditions. Using Arabidopsis (Arabidopsis thaliana) wild type and mutants expressing green fluorescent protein through the addition of peroxisomal targeting signal 1 (PTS1), which enables peroxisomes to be visualized in vivo, this study analyzes the temporal and cell distribution of NO during the development of 3-, 5-, 8-, and 11-d-old Arabidopsis seedlings and shows that Arabidopsis peroxisomes accumulate NO in vivo. Pharmacological analyses using nitric oxide synthase (NOS) inhibitors detected the presence of putative calcium-dependent NOS activity. Furthermore, peroxins Pex12 and Pex13 appear to be involved in transporting the putative NOS protein to peroxisomes, since pex12 and pex13 mutants, which are defective in PTS1- and PTS2-dependent protein transport to peroxisomes, registered lower NO content. Additionally, we show that under salinity stress (100 mM NaCl), peroxisomes are required for NO accumulation in the cytosol, thereby participating in the generation of peroxynitrite (ONOO(-)) and in increasing protein tyrosine nitration, which is a marker of nitrosative stress. | lld:pubmed |
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pubmed-article:19783645 | pubmed:language | eng | lld:pubmed |
pubmed-article:19783645 | pubmed:journal | http://linkedlifedata.com/r... | lld:pubmed |
pubmed-article:19783645 | pubmed:citationSubset | IM | lld:pubmed |
pubmed-article:19783645 | pubmed:chemical | http://linkedlifedata.com/r... | lld:pubmed |
pubmed-article:19783645 | pubmed:chemical | http://linkedlifedata.com/r... | lld:pubmed |
pubmed-article:19783645 | pubmed:status | MEDLINE | lld:pubmed |
pubmed-article:19783645 | pubmed:month | Dec | lld:pubmed |
pubmed-article:19783645 | pubmed:issn | 1532-2548 | lld:pubmed |
pubmed-article:19783645 | pubmed:author | pubmed-author:HayashiMakoto... | lld:pubmed |
pubmed-article:19783645 | pubmed:author | pubmed-author:NishimuraMiki... | lld:pubmed |
pubmed-article:19783645 | pubmed:author | pubmed-author:ManoShojiS | lld:pubmed |
pubmed-article:19783645 | pubmed:author | pubmed-author:BarrosoJuan... | lld:pubmed |
pubmed-article:19783645 | pubmed:author | pubmed-author:CorpasFrancis... | lld:pubmed |
pubmed-article:19783645 | pubmed:issnType | Electronic | lld:pubmed |
pubmed-article:19783645 | pubmed:volume | 151 | lld:pubmed |
pubmed-article:19783645 | pubmed:owner | NLM | lld:pubmed |
pubmed-article:19783645 | pubmed:authorsComplete | Y | lld:pubmed |