Patents by Inventor Dongmei Xu

Dongmei Xu has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).

  • GENETIC LOCUS IMPARTING A LOW ANATABINE TRAIT IN TOBACCO AND METHODS OF USING
    Publication number: 20200277617
    Abstract: Provided herein are genetic markers and a coding sequence associated with a low- or ultra-low anatabine trait in tobacco.
    Type: Application
    Filed: March 20, 2020
    Publication date: September 3, 2020
    Applicant: ALTRIA CLIENT SERVICES LLC
    Inventors: CHENGALRAYAN KUDITHIPUDI, ALEC J. HAYES, ROBERT FRANK HART, III, YANXIN SHEN, JESSE FREDERICK, DONGMEI XU
  • Compositions and methods for producing tobacco plants and products having reduced or eliminated suckers
    Patent number: 10731173
    Abstract: The present disclosure provides the identification of genes involved in sucker growth in tobacco. Also provided are promoters that are preferentially active in tobacco axillary buds. Also provided are modified tobacco plants comprising reduced or no sucker growth. Also provided are methods and compositions for producing modified tobacco plants comprising reduced or no sucker growth.
    Type: Grant
    Filed: March 13, 2017
    Date of Patent: August 4, 2020
    Assignee: Altria Client Services LLC
    Inventors: Dongmei Xu, Chengalrayan Kudithipudi, Yanxin Shen, Jaemo Yang, Jesse Frederick, James Strickland
  • Tobacco Plants Comprising Reduced Nicotine and Reduced Tobacco Specific Nitrosamines
    Publication number: 20200239899
    Abstract: The present disclosure provides approaches for reducing nicotine. Also provided are tobacco plants with decreased tobacco-specific nitrosamines (TSNAs). The present disclosure further provides modified tobacco plants with low nicotine and increased antioxidant capacity. Further provided are tobacco plants or material with low nicotine and low TSNAs. Also provided is cured tobacco material of the tobacco plants provided herein and tobacco products comprising this cured tobacco material.
    Type: Application
    Filed: January 23, 2020
    Publication date: July 30, 2020
    Applicant: Altria Client Services LLC
    Inventors: Chengalrayan Kudithipudi, Dongmei Xu, James A. Strickland, Marcos Fernando de Godoy Lusso
  • LOW-NICOTINE TOBACCO PLANTS AND TOBACCO PRODUCTS MADE THEREFROM
    Publication number: 20200170211
    Abstract: The present application provides tobacco inbred plants dS1746, dS1746MS, dS1564 and dS1564MS. The present application also provides parts of such plants and products made from those parts. The present application also includes progeny of the provided plants including hybrids.
    Type: Application
    Filed: December 3, 2019
    Publication date: June 4, 2020
    Applicant: Altria Client Services LLC
    Inventors: Andrew C. ADAMS, Marcos F. de GODOY LUSSO, Sreepriya PRAMOD, Dongmei XU
  • Composition and methods for producing tobacco plants and products having reduced tobacco-specific nitrosamines (TSNAs)
    Patent number: 10647989
    Abstract: The present disclosure provides approaches for reducing tobacco-specific nitrosamines (TSNAs) in tobacco. Some of these approaches include genetically engineering tobacco plants to increase one or more antioxidants, increase oxygen radical absorbance capacity (ORAC), or reduce nitrite. Also provided are methods and compositions for producing modified tobacco plants and tobacco products therefrom comprising reduced TSNAs.
    Type: Grant
    Filed: October 6, 2017
    Date of Patent: May 12, 2020
    Assignee: Altria Client Services LLC
    Inventors: Chengalrayan Kudithipudi, Dongmei Xu, James Strickland
  • Genetic locus imparting a low anatabine trait in tobacco and methods of using
    Patent number: 10626409
    Abstract: Provided herein are genetic markers and a coding sequence associated with a low- or ultra-low anatabine trait in tobacco.
    Type: Grant
    Filed: July 8, 2015
    Date of Patent: April 21, 2020
    Assignee: ALTRIA CLIENT SERVICES LLC
    Inventors: Chengalrayan Kudithipudi, Alec J. Hayes, Robert Frank Hart, III, Yanxin Shen, Jesse Frederick, Dongmei Xu
  • Tobacco plants having reduced nicotine demethylase activity
    Patent number: 10597668
    Abstract: The present invention generally relates to methods and materials involved in producing tobacco plants having reduced levels of conversion of nicotine to nornicotine. In certain embodiments, the invention is directed to mutations in a nicotine demethylase gene, tobacco plants comprising mutations in a nicotine demethylase gene, and tobacco compositions and products thereof. In other embodiments, the invention is directed toward nicotine demethylase RNA interference, tobacco plants comprising a nicotine demethylase RNA interference transgene, and tobacco compositions and products thereof.
    Type: Grant
    Filed: November 27, 2012
    Date of Patent: March 24, 2020
    Assignee: U.S. Smokeless Tobacco Company LLC
    Inventors: Dongmei Xu, Mark T. Nielsen, Yanxin Shen
  • ENDOLYSIN FROM BACTERIOPHAGE AGAINST GEOBACILLUS AND METHODS OF USING
    Publication number: 20200037656
    Abstract: Bacteriophage against Geobacillus are provided, and methods of making and using the bacteriophage also are provided.
    Type: Application
    Filed: June 14, 2019
    Publication date: February 6, 2020
    Applicant: ALTRIA CLIENT SERVICES LLC
    Inventors: Elisabeth MILLER, Ujwala WAREK, Dongmei XU
  • Optimized Tissue-Preferred Promoter and Uses Thereof
    Publication number: 20200040350
    Abstract: The present disclosure provides the identification of promoters that are preferentially active in tobacco axillary buds. Also provided are tobacco plants comprising reduced or no sucker growth. Also provided are methods and compositions for producing tobacco plants comprising reduced or no sucker growth.
    Type: Application
    Filed: August 1, 2019
    Publication date: February 6, 2020
    Applicant: Altria Client Services LLC
    Inventors: Chengalrayan Kudithipudi, Jaemo Yang, Yanxin Shen, Dongmei Xu, Ujwala Warek, James Strickland, Jesse Frederick
  • GENETIC CONTROL OF AXILLARY BUD GROWTH IN TOBACCO PLANTS
    Publication number: 20200032283
    Abstract: This disclosure provides a number of sequences involved in axillary bud growth in tobacco, methods of using such sequences, tobacco plants carrying modifications to such sequences or transgenes of such sequences, and tobacco products made from tobacco leaf harvested from such plants.
    Type: Application
    Filed: October 1, 2019
    Publication date: January 30, 2020
    Applicant: ALTRIA CLIENT SERVICES LLC
    Inventors: Chengalrayan KUDITHIPUDI, Yanxin SHEN, Dongmei XU, Jesse FREDERICK, Jaemo YANG
  • Compositions and Methods Based on PMT Engineering for Producing Tobacco Plants and Products Having Altered Alkaloid Levels
    Publication number: 20200029522
    Abstract: The present disclosure provides compositions and methods related to 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.
    Type: Application
    Filed: July 26, 2019
    Publication date: January 30, 2020
    Applicant: ALTRIA CLIENT SERVICES LLC
    Inventors: Chengalrayan KUDITHIPUDI, Dong QI, Yanxin SHEN, Ujwala WAREK, James A. STRICKLAND, Dongmei XU
  • TOBACCO PLANTS EXHIBITING ALTERED PHOTOSYNTHESIS AND METHODS OF MAKING AND USING
    Publication number: 20200010845
    Abstract: This disclosure provides tobacco plants that exhibit altered photosynthesis as well as methods of making and using such plants.
    Type: Application
    Filed: September 23, 2019
    Publication date: January 9, 2020
    Applicant: Altria Client Services LLC
    Inventors: Yanxin Shen, Dongmei Xu
  • COMPOSITIONS AND METHODS FOR PRODUCING TOBACCO PLANTS AND PRODUCTS HAVING ALTERED ALKALOID LEVELS
    Publication number: 20190343166
    Abstract: The present disclosure provides the identification of tobacco Nic1 locus. 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. Also provided are compositions and methods for producing tobacco plants having novel Nic1 mutations or alleles to reduce nicotine levels. Further provided are sequence polymorphisms and molecular markers for breeding tobacco with reduced nicotine or nicotine free while maintaining tobacco leaf grade and tobacco product quality.
    Type: Application
    Filed: July 30, 2019
    Publication date: November 14, 2019
    Applicant: Altria Client Services LLC
    Inventors: Andrew Carl Adams, Marcos Fernando de Godoy Lusso, Sreepriya Pramod, Dongmei Xu
  • Tobacco plants exhibiting altered photosynthesis and methods of making and using
    Patent number: 10457953
    Abstract: This disclosure provides tobacco plants that exhibit altered photosynthesis as well as methods of making and using such plants.
    Type: Grant
    Filed: April 13, 2017
    Date of Patent: October 29, 2019
    Assignee: Altria Client Services LLC
    Inventors: Yanxin Shen, Dongmei Xu
  • COMPOSITIONS AND METHODS FOR PRODUCING TOBACCO PLANTS AND PRODUCTS HAVING ALTERED ALKALOID LEVELS
    Publication number: 20190309317
    Abstract: The present disclosure provides the identification of tobacco Nic1 locus. 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. Also provided are compositions and methods for producing tobacco plants having novel Nic1 mutations or alleles to reduce nicotine levels. Further provided are sequence polymorphisms and molecular markers for breeding tobacco with reduced nicotine or nicotine free while maintaining tobacco leaf grade and tobacco product quality.
    Type: Application
    Filed: December 20, 2017
    Publication date: October 10, 2019
    Applicant: Altria Client Services LLC
    Inventors: Andrew Carl Adams, Marcos Fernando de Godoy Lusso, Sreepriya Pramod, Dongmei Xu
  • Genetic control of axillary bud growth in tobacco plants
    Patent number: 10435700
    Abstract: This disclosure provides a number of sequences involved in axillary bud growth in tobacco, methods of using such sequences, tobacco plants carrying modifications to such sequences or transgenes of such sequences, and tobacco products made from tobacco leaf harvested from such plants.
    Type: Grant
    Filed: October 6, 2015
    Date of Patent: October 8, 2019
    Assignee: ALTRIA CLIENT SERVICES LLC
    Inventors: Chengalrayan Kudithipudi, Yanxin Shen, Dongmei Xu, Jesse Frederick, Jaemo Yang
  • Composition and Methods for Producing Tobacco Plants and Products Having Increased Phenylalanine and Reduced Tobacco-Specific Nitrosamines (TSNAs)
    Publication number: 20190300893
    Abstract: The present disclosure provides approaches for reducing tobacco-specific nitrosamines (TSNAs) in tobacco. Some of these approaches include genetically engineering tobacco plants to increase one or more antioxidants, increase oxygen radical absorbance capacity (ORAC), increase phenylalanine, or reduce nitrite. Also provided are methods and compositions for producing modified tobacco plants and tobacco products therefrom comprising reduced TSNAs.
    Type: Application
    Filed: April 2, 2019
    Publication date: October 3, 2019
    Applicant: Altria Client Services LLC
    Inventors: Chengalrayan Kudithipudi, Dongmei Xu, James Strickland, Yanxin Shen
  • PEROXIDES TO LIMIT BIOFILMS AND TOBACCO-SPECIFIC NITROSAMINES
    Publication number: 20190281883
    Abstract: Methods of making reconstituted tobacco include contacting a mixture including tobacco pulp with one or more fluid streams including one or more peroxides (e.g., hydrogen peroxide), recovering one or more fluids from the tobacco pulp mixture, and reusing the recovered fluids in at least one subsequent tobacco pulp contacting step. In some cases, methods provided herein can recover one or more fluids including one or more peroxides, such that the at least one subsequent tobacco pulp contacting step includes contacting tobacco pulp with a fluid including one or more peroxides.
    Type: Application
    Filed: May 31, 2019
    Publication date: September 19, 2019
    Applicant: Altria Client Services LLC
    Inventors: John KOTROLA, Ujwala Warek, James Arthur Strickland, Elisabeth Miller, Dongmei Xu
  • Compositions and methods for producing tobacco plants and products having altered alkaloid levels
    Patent number: 10405571
    Abstract: The present disclosure provides the identification of tobacco Nic1 locus. 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. Also provided are compositions and methods for producing tobacco plants having novel Nic1 mutations or alleles to reduce nicotine levels. Further provided are sequence polymorphisms and molecular markers for breeding tobacco with reduced nicotine or nicotine free while maintaining tobacco leaf grade and tobacco product quality.
    Type: Grant
    Filed: June 24, 2016
    Date of Patent: September 10, 2019
    Assignee: Altria Client Services LLC
    Inventors: Andrew Carl Adams, Marcos Fernando de Godoy Lusso, Sreepriya Pramod, Dongmei Xu
  • Compositions and Methods for Producing Tobacco Plants and Products Having Altered Alkaloid Levels with Desirable Leaf Quality
    Publication number: 20190271000
    Abstract: The present disclosure includes methods and compositions for improving leaf quality in low-alkaloid tobacco plants, e.g., by combining inducible promoters and non-coding RNAs for suppression of an ornithine decarboxylase (ODC) gene. Also provided are low alkaloid tobacco plants with normal, suppressed, or otherwise altered polyamine levels. Further provided are tobacco plants with altered total alkaloid, nicotine levels, commercially acceptable leaf grade, their development via breeding or transgenic approaches, and production of tobacco products from these tobacco plants.
    Type: Application
    Filed: March 4, 2019
    Publication date: September 5, 2019
    Applicant: Altria Client Services LLC
    Inventors: Marcos Fernando de GODOY LUSSO, James A STRICKLAND, Jesse FREDERICK, Dongmei XU, Chengalrayan KUDITHIPUDI