Variations of Alkaloid Accumulation and Gene Transcription in Nicotiana tabacum
نویسندگان
چکیده
منابع مشابه
Gene control of non-Mendelian variegation in Nicotiana tabacum.
I N the great majority of reports involving non-Mendelian plastid inheritance, the data indicate that nuclear genes exert no influence on the inheritance of abnormal plastids. These plastid mutations are assumed to arise spontaneously and to be irreversible. The inheritance of this type of non-Mendelian chlorophyll abnormality has been summarized in comprehensive reviews by RENNER (1936) and CO...
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Hairy root cultures of Nicotiana tabacum were set up by excised root tips with Agrobacterium rhizogenes. The successful transformation was confirmed by analyzing rolC and virC genes using polymerase chain reaction (PCR). Hairy root cultures were employed to study the formation of pyridine alkaloids, mainly nicotine. The transformed cultures were incubated with potential elicitors, such as methy...
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The use of tobacco dates back to the ancient civilizations of the Americas, where it played a central role in religious occasions. The peoples smoked tobacco in cigars and pipes and chewed it with lime, for its pleasurable euphoriant effects. In the 16 th century, Europeans spread the use of tobacco in North America, while the Spanish bring it into Europe. In the 1559, Jean Nicot, the French am...
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In plants, secondary metabolites play important roles in adaptation to the environment. Nicotine, a pyridine alkaloid in Nicotiana tabacum, functions as chemical barrier against herbivores. Nicotine produced in the root undergoes long-distance transport and accumulates mainly in the leaves. Since production of such defensive compounds is costly, plants must regulate the allocation of the produc...
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Peroxidases have been implicated in numerous physiological processes including lignification (Grisebach, 1981), wound-healing (Espelie et al., 1986), phenol oxidation (Lagrimini, 1991), pathogen defense (Ye et ai., 1990), and the regulation of cell elongation through the formation of interchain covalent bonds between various cell wall polymers (Fry, 1986; Goldberg et al., 1986; Bradley et al., ...
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ژورنال
عنوان ژورنال: Biomolecules
سال: 2018
ISSN: 2218-273X
DOI: 10.3390/biom8040114