PMID-sentid Pub_year Sent_text comp_official_name comp_offsetprotein_name organism prot_offset 27833561-1 2016 Environmental stress elevates the level of jasmonic acid (JA) and activates the biosynthesis of nicotine and related pyridine alkaloids in tobacco (Nicotiana tabacum L.) by up-regulating the expression of putrescine N-methyltransferase 1 (NtPMT1), which encodes a putrescine N-methyl transferase that catalyzes nicotine formation. Nicotine 96-104 putrescine N-methyltransferase 1 Nicotiana tabacum 205-237 29316708-6 2018 CO causes an increased expression of NtPMT1 (a key nicotine biosynthesis enzyme), via promoting NtMYC2a binding to the G-box region of its promoter, leading to heightened nicotine levels under HT conditions. Nicotine 51-59 putrescine N-methyltransferase 1 Nicotiana tabacum 37-43 29316708-6 2018 CO causes an increased expression of NtPMT1 (a key nicotine biosynthesis enzyme), via promoting NtMYC2a binding to the G-box region of its promoter, leading to heightened nicotine levels under HT conditions. Nicotine 171-179 putrescine N-methyltransferase 1 Nicotiana tabacum 37-43 16660940-3 1979 Putrescine N-methyltransferase (EC 2.1.1.53) and quinolinic acid phosphoribosyltransferase (EC 2.4.2.19) activities in root tissue of these four genotypes were proportional to leaf nicotine level, whereas N-methylputrescine oxidase activity in root tissue differed in proportion and ranking. Nicotine 181-189 putrescine N-methyltransferase 1 Nicotiana tabacum 0-30 29379516-3 2017 Here we isolated a transcription factor NtWRKY-R1 from the group IIe of WRKY family and it had strong negative correlation with the expression of putrescine N-methyltransferase, the key enzyme of nicotine synthesis pathway. Nicotine 196-204 putrescine N-methyltransferase 1 Nicotiana tabacum 146-176 27833561-1 2016 Environmental stress elevates the level of jasmonic acid (JA) and activates the biosynthesis of nicotine and related pyridine alkaloids in tobacco (Nicotiana tabacum L.) by up-regulating the expression of putrescine N-methyltransferase 1 (NtPMT1), which encodes a putrescine N-methyl transferase that catalyzes nicotine formation. Nicotine 96-104 putrescine N-methyltransferase 1 Nicotiana tabacum 239-245 27833561-1 2016 Environmental stress elevates the level of jasmonic acid (JA) and activates the biosynthesis of nicotine and related pyridine alkaloids in tobacco (Nicotiana tabacum L.) by up-regulating the expression of putrescine N-methyltransferase 1 (NtPMT1), which encodes a putrescine N-methyl transferase that catalyzes nicotine formation. Nicotine 311-319 putrescine N-methyltransferase 1 Nicotiana tabacum 205-237 27833561-4 2016 Overexpression of NtMYC2a increased nicotine biosynthesis by enhancing its binding to the promoter of NtPMT1. Nicotine 36-44 putrescine N-methyltransferase 1 Nicotiana tabacum 102-108 18535352-2 2008 Several reports have described decreasing nicotine levels by silencing the putrescine N-methyltransferase (PMT) genes, but the reported variations of nicotine levels among transgenic lines are relatively low in general. Nicotine 42-50 putrescine N-methyltransferase 1 Nicotiana tabacum 75-105 18535352-2 2008 Several reports have described decreasing nicotine levels by silencing the putrescine N-methyltransferase (PMT) genes, but the reported variations of nicotine levels among transgenic lines are relatively low in general. Nicotine 42-50 putrescine N-methyltransferase 1 Nicotiana tabacum 107-110 18535352-2 2008 Several reports have described decreasing nicotine levels by silencing the putrescine N-methyltransferase (PMT) genes, but the reported variations of nicotine levels among transgenic lines are relatively low in general. Nicotine 150-158 putrescine N-methyltransferase 1 Nicotiana tabacum 107-110 18535352-5 2008 By suppressing expression of the PMT genes, over 200 transgenic lines were obtained with nicotine levels reduced by 9.1-96.7%. Nicotine 89-97 putrescine N-methyltransferase 1 Nicotiana tabacum 33-36 15604714-1 2004 Putrescine N-methyltransferase (PMT) catalyzes the first committed step of nicotine biosynthesis, converting putrescine into N-methylputrescine. Nicotine 75-83 putrescine N-methyltransferase 1 Nicotiana tabacum 0-30 15604714-1 2004 Putrescine N-methyltransferase (PMT) catalyzes the first committed step of nicotine biosynthesis, converting putrescine into N-methylputrescine. Nicotine 75-83 putrescine N-methyltransferase 1 Nicotiana tabacum 32-35 14756309-0 2003 Antisense-mediated down-regulation of putrescine N-methyltransferase activity in transgenic Nicotiana tabacum L. can lead to elevated levels of anatabine at the expense of nicotine. Nicotine 172-180 putrescine N-methyltransferase 1 Nicotiana tabacum 38-68 11198422-5 2000 QPRTase transcript levels increased markedly in roots of both species 12-24 h after damage to aerial tissues, with a concomitant rise in transcript levels of putrescine N-methyltransferase (PMT), another key enzyme in nicotine biosynthesis. Nicotine 218-226 putrescine N-methyltransferase 1 Nicotiana tabacum 158-188 11198422-5 2000 QPRTase transcript levels increased markedly in roots of both species 12-24 h after damage to aerial tissues, with a concomitant rise in transcript levels of putrescine N-methyltransferase (PMT), another key enzyme in nicotine biosynthesis. Nicotine 218-226 putrescine N-methyltransferase 1 Nicotiana tabacum 190-193 12369619-6 2002 The A622 expression patterns were qualitatively similar to those of putrescine N-methyltransferase, the first enzyme in nicotine biosynthesis, suggesting that A622 may function in the metabolism of nicotine or related alkaloids. Nicotine 120-128 putrescine N-methyltransferase 1 Nicotiana tabacum 68-98 12369619-6 2002 The A622 expression patterns were qualitatively similar to those of putrescine N-methyltransferase, the first enzyme in nicotine biosynthesis, suggesting that A622 may function in the metabolism of nicotine or related alkaloids. Nicotine 198-206 putrescine N-methyltransferase 1 Nicotiana tabacum 68-98 10598105-1 1999 The structure and nuclear genomic organization of the gene family encoding putrescine N-methyltransferase (PMT), the key enzyme in diverting polyamine metabolism towards the biosynthesis of nicotine and related alkaloids, was examined in Nicotiana tabacum. Nicotine 190-198 putrescine N-methyltransferase 1 Nicotiana tabacum 75-105 10598105-1 1999 The structure and nuclear genomic organization of the gene family encoding putrescine N-methyltransferase (PMT), the key enzyme in diverting polyamine metabolism towards the biosynthesis of nicotine and related alkaloids, was examined in Nicotiana tabacum. Nicotine 190-198 putrescine N-methyltransferase 1 Nicotiana tabacum 107-110