Natural and induced variations in transcriptional regulator genes result in low-nicotine phenotypes in tobacco.

doi:10.1111/tpj.15923

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Article

Natural and induced variations in transcriptional regulator genes result in low-nicotine phenotypes in tobacco.

The Plant journal : for cell and molecular biology - 1 Sept 2022

Shoji Tsubasa, Moriyama Koki, Sierro Nicolas, Ouadi Sonia, Ivanov Nikolai V, Hashimoto Takashi, Saito Kazuki

Abstract excerpt

In tobacco, the homologous ETHYLENE RESPONSE FACTOR (ERF) transcription factors ERF199 and ERF189 coordinate the transcription of multiple metabolic genes involved in nicotine biosynthesis. Natural alleles at the NIC1 and NIC2 loci greatly affect alkaloid accumulation and overlap with ERF199 and ERF189 in the tobacco genome, respectively. In this study, we identified several low-nicotine tobacco varieties lacking...

Topics

Cyclopentanes
Ethylenes
Gene Expression Regulation, Plant
Genes, Regulator
Nicotine
Oxylipins
Phenotype
Plant Breeding
Plant Proteins
Nicotiana
Transcription Factors

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Identifiers

PMID: 35883194
DOI: 10.1111/tpj.15923
PMCID: PMC9544004

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