Granted Patent
B2
US 12,234,469 · App. 17/337,161 · Granted Feb 25, 2025
Compositions and methods for producing tobacco plants and products having altered alkaloid levels
Inventors:
Sreepriya Pramod (Fredericksburg, VA); Marcos Fernando de Godoy Lusso (Chesterfield, VA); Jesse Frederick (Richmond, VA); Andrew Adams (Midlothian, VA); Dongmei Xu (Glen Allen, VA)
Assignee:
Altria Client Services LLC
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Abstract
The present disclosure provides tobacco having genetic modification(s) in a group of ERF genes. Also provided are tobacco plants with altered total alkaloid and nicotine levels and commercially acceptable leaf grade, their development via breeding or transgenic approaches, and production of tobacco products from these tobacco plants. Further provided are compositions and methods for producing tobacco plants having novel mutations or alleles to reduce nicotine levels. Further provided are sequence polymorphisms and molecular markers for breeding tobacco with reduced nicotine or alkaloids while maintaining tobacco leaf grade and tobacco product quality.
Claims (7)
1. A modified tobacco plant, or part thereof, comprising a non-natural mutation in a polynucleotide, the polynucleotide having a nucleic acid sequence encoding a polypeptide having 100% identity or similarity to the amino acid sequence of SEQ ID NO: 73; wherein said modified tobacco plant comprises nicotine at a level below 60% of the nicotine level of a control plant when grown in similar growth conditions, wherein said non-natural mutation introduces a stop codon; wherein said control plant shares an essentially identical genetic background with said modified tobacco plant except said non-natural mutation; and wherein said non-natural mutation results in a reduced level of expression of said polynucleotide as compared to said control tobacco plant.
2. The modified tobacco plant, or part thereof, of claim 1 , wherein said modified tobacco plant further comprises a reduced level of at least one alkaloid selected from the group consisting of anabasine, anatabine, and nornicotine as compared to said control tobacco plant lacking said non-natural mutation.
3. The modified tobacco plant, or part thereof, of claim 2 , wherein said modified tobacco plant comprises a nicotine level less than 2.0%.
4. Cured tobacco material from the modified tobacco plant, or part thereof, of claim 1 .
5. A tobacco product comprising the cured tobacco material of claim 4 .
6. The tobacco product of claim 5 , wherein said tobacco product is a selected from the group consisting of a cigarette, a cigarillo, a non-ventilated recess filter cigarette, a vented recess filter cigarette, a cigar, snuff, pipe tobacco, cigar tobacco, cigarette tobacco, chewing tobacco, leaf tobacco, shredded tobacco, cut tobacco, reconstituted tobacco, loose leaf chewing tobacco, plug chewing tobacco, moist snuff, snus, and nasal snuff.
7. The tobacco product of claim 5 , wherein said tobacco product is a smokeless tobacco product.
Assignments (2)
ASSIGNMENT OF ASSIGNOR'S INTEREST
Recorded Dec 17, 2024
From: PRAMOD, SREEPRIYA; LUSSO, MARCOS FERNANDO DE GODOY; FREDERICK, JESSE; ADAMS, ANDREW; XU, DONGMEI
To: ALTRIA CLIENT SERVICES LLC
Reel/Frame 069616/0210 →
ASSIGNMENT OF ASSIGNOR'S INTEREST
Recorded Jan 26, 2022
From: PRAMOD, SREEPRIYA; DE GODOY LUSSO, MARCOS FERNANDO; FREDERICK, JESSE; ADAMS, ANDREW; XU, DONGMEI
To: ALTRIA CLIENT SERICES LLC
Reel/Frame 058771/0831 →
Continuity (2)
Provisional Application
63034061
· Jun 3, 2020
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