PubMed:15993866 JSONTXT

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{"target":"https://pubannotation.org/docs/sourcedb/PubMed/sourceid/15993866","sourcedb":"PubMed","sourceid":"15993866","source_url":"http://www.ncbi.nlm.nih.gov/pubmed/15993866","text":"AFM studies of water-soluble wheat arabinoxylans--effects of esterase treatment.\nThe degradation products of water-soluble wheat arabinoxylans treated with Aspergillus niger ferulic acid esterase (FAEA-able to cleave 5,5'- and 8-O-4'-ferulic acid dimers) have been characterised by atomic force microscopy (AFM) and size exclusion chromatography. The AFM images of arabinoxylans confirmed that a small proportion ( approximately 15%) of the population of arabinoxylan molecules contain xylan-based branches attached to the xylan-based backbone. Treatment with FAEA reduced the contour length of the molecules suggesting that certain dimeric ferulic acid linkages may play a previously unconfirmed role in the elongation of arabinoxylans. Overnight treatment with FAEA led to a reduction in the density of branches suggesting that they may also be linked to the backbone through phenolic linkages.","tracks":[{"project":"sentences","denotations":[{"id":"TextSentencer_T1","span":{"begin":0,"end":80},"obj":"Sentence"},{"id":"TextSentencer_T2","span":{"begin":81,"end":346},"obj":"Sentence"},{"id":"TextSentencer_T3","span":{"begin":347,"end":544},"obj":"Sentence"},{"id":"TextSentencer_T4","span":{"begin":545,"end":737},"obj":"Sentence"},{"id":"TextSentencer_T5","span":{"begin":738,"end":896},"obj":"Sentence"},{"id":"T1","span":{"begin":0,"end":80},"obj":"Sentence"},{"id":"T2","span":{"begin":81,"end":346},"obj":"Sentence"},{"id":"T3","span":{"begin":347,"end":544},"obj":"Sentence"},{"id":"T4","span":{"begin":545,"end":737},"obj":"Sentence"},{"id":"T5","span":{"begin":738,"end":896},"obj":"Sentence"}],"namespaces":[{"prefix":"_base","uri":"http://pubannotation.org/ontology/tao.owl#"}],"attributes":[{"subj":"TextSentencer_T1","pred":"source","obj":"sentences"},{"subj":"TextSentencer_T2","pred":"source","obj":"sentences"},{"subj":"TextSentencer_T3","pred":"source","obj":"sentences"},{"subj":"TextSentencer_T4","pred":"source","obj":"sentences"},{"subj":"TextSentencer_T5","pred":"source","obj":"sentences"},{"subj":"T1","pred":"source","obj":"sentences"},{"subj":"T2","pred":"source","obj":"sentences"},{"subj":"T3","pred":"source","obj":"sentences"},{"subj":"T4","pred":"source","obj":"sentences"},{"subj":"T5","pred":"source","obj":"sentences"}]},{"project":"NCBITAXON","denotations":[{"id":"T1","span":{"begin":29,"end":34},"obj":"OrganismTaxon"},{"id":"T2","span":{"begin":123,"end":128},"obj":"OrganismTaxon"},{"id":"T3","span":{"begin":156,"end":173},"obj":"OrganismTaxon"}],"attributes":[{"id":"A1","pred":"db_id","subj":"T1","obj":"4565"},{"id":"A2","pred":"db_id","subj":"T2","obj":"4565"},{"id":"A3","pred":"db_id","subj":"T3","obj":"5061"},{"subj":"T1","pred":"source","obj":"NCBITAXON"},{"subj":"T2","pred":"source","obj":"NCBITAXON"},{"subj":"T3","pred":"source","obj":"NCBITAXON"}]},{"project":"Anatomy-UBERON","denotations":[{"id":"T1","span":{"begin":535,"end":543},"obj":"Body_part"},{"id":"T2","span":{"begin":861,"end":869},"obj":"Body_part"}],"attributes":[{"id":"A1","pred":"uberon_id","subj":"T1","obj":"http://purl.obolibrary.org/obo/UBERON_0001130"},{"id":"A2","pred":"uberon_id","subj":"T2","obj":"http://purl.obolibrary.org/obo/UBERON_0001130"},{"subj":"T1","pred":"source","obj":"Anatomy-UBERON"},{"subj":"T2","pred":"source","obj":"Anatomy-UBERON"}]}],"config":{"attribute types":[{"pred":"source","value type":"selection","values":[{"id":"sentences","color":"#ec939b","default":true},{"id":"NCBITAXON","color":"#93b5ec"},{"id":"Anatomy-UBERON","color":"#cfec93"}]}]}}